/*
** Write ahead logging implementation copyright Chris Mason 2000
**
-** The background commits make this code very interelated, and
+** The background commits make this code very interelated, and
** overly complex. I need to rethink things a bit....The major players:
**
-** journal_begin -- call with the number of blocks you expect to log.
+** journal_begin -- call with the number of blocks you expect to log.
** If the current transaction is too
-** old, it will block until the current transaction is
+** old, it will block until the current transaction is
** finished, and then start a new one.
-** Usually, your transaction will get joined in with
+** Usually, your transaction will get joined in with
** previous ones for speed.
**
-** journal_join -- same as journal_begin, but won't block on the current
+** journal_join -- same as journal_begin, but won't block on the current
** transaction regardless of age. Don't ever call
-** this. Ever. There are only two places it should be
+** this. Ever. There are only two places it should be
** called from, and they are both inside this file.
**
-** journal_mark_dirty -- adds blocks into this transaction. clears any flags
+** journal_mark_dirty -- adds blocks into this transaction. clears any flags
** that might make them get sent to disk
-** and then marks them BH_JDirty. Puts the buffer head
-** into the current transaction hash.
+** and then marks them BH_JDirty. Puts the buffer head
+** into the current transaction hash.
**
** journal_end -- if the current transaction is batchable, it does nothing
** otherwise, it could do an async/synchronous commit, or
-** a full flush of all log and real blocks in the
+** a full flush of all log and real blocks in the
** transaction.
**
-** flush_old_commits -- if the current transaction is too old, it is ended and
-** commit blocks are sent to disk. Forces commit blocks
-** to disk for all backgrounded commits that have been
+** flush_old_commits -- if the current transaction is too old, it is ended and
+** commit blocks are sent to disk. Forces commit blocks
+** to disk for all backgrounded commits that have been
** around too long.
-** -- Note, if you call this as an immediate flush from
+** -- Note, if you call this as an immediate flush from
** from within kupdate, it will ignore the immediate flag
*/
-#include <asm/uaccess.h>
-#include <asm/system.h>
-
#include <linux/time.h>
#include <linux/semaphore.h>
-
#include <linux/vmalloc.h>
#include <linux/reiserfs_fs.h>
-
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/fcntl.h>
#include <linux/writeback.h>
#include <linux/blkdev.h>
#include <linux/backing-dev.h>
+#include <linux/uaccess.h>
+
+#include <asm/system.h>
/* gets a struct reiserfs_journal_list * from a list head */
#define JOURNAL_LIST_ENTRY(h) (list_entry((h), struct reiserfs_journal_list, \
struct reiserfs_journal_list *jl, int flushall);
static int can_dirty(struct reiserfs_journal_cnode *cn);
static int journal_join(struct reiserfs_transaction_handle *th,
- struct super_block *p_s_sb, unsigned long nblocks);
+ struct super_block *sb, unsigned long nblocks);
static int release_journal_dev(struct super_block *super,
struct reiserfs_journal *journal);
static int dirty_one_transaction(struct super_block *s,
};
static int do_journal_begin_r(struct reiserfs_transaction_handle *th,
- struct super_block *p_s_sb,
+ struct super_block *sb,
unsigned long nblocks, int join);
-static void init_journal_hash(struct super_block *p_s_sb)
+static void init_journal_hash(struct super_block *sb)
{
- struct reiserfs_journal *journal = SB_JOURNAL(p_s_sb);
+ struct reiserfs_journal *journal = SB_JOURNAL(sb);
memset(journal->j_hash_table, 0,
JOURNAL_HASH_SIZE * sizeof(struct reiserfs_journal_cnode *));
}
}
static struct reiserfs_bitmap_node *allocate_bitmap_node(struct super_block
- *p_s_sb)
+ *sb)
{
struct reiserfs_bitmap_node *bn;
static int id;
if (!bn) {
return NULL;
}
- bn->data = kzalloc(p_s_sb->s_blocksize, GFP_NOFS);
+ bn->data = kzalloc(sb->s_blocksize, GFP_NOFS);
if (!bn->data) {
kfree(bn);
return NULL;
return bn;
}
-static struct reiserfs_bitmap_node *get_bitmap_node(struct super_block *p_s_sb)
+static struct reiserfs_bitmap_node *get_bitmap_node(struct super_block *sb)
{
- struct reiserfs_journal *journal = SB_JOURNAL(p_s_sb);
+ struct reiserfs_journal *journal = SB_JOURNAL(sb);
struct reiserfs_bitmap_node *bn = NULL;
struct list_head *entry = journal->j_bitmap_nodes.next;
if (entry != &journal->j_bitmap_nodes) {
bn = list_entry(entry, struct reiserfs_bitmap_node, list);
list_del(entry);
- memset(bn->data, 0, p_s_sb->s_blocksize);
+ memset(bn->data, 0, sb->s_blocksize);
journal->j_free_bitmap_nodes--;
return bn;
}
- bn = allocate_bitmap_node(p_s_sb);
+ bn = allocate_bitmap_node(sb);
if (!bn) {
yield();
goto repeat;
}
return bn;
}
-static inline void free_bitmap_node(struct super_block *p_s_sb,
+static inline void free_bitmap_node(struct super_block *sb,
struct reiserfs_bitmap_node *bn)
{
- struct reiserfs_journal *journal = SB_JOURNAL(p_s_sb);
+ struct reiserfs_journal *journal = SB_JOURNAL(sb);
journal->j_used_bitmap_nodes--;
if (journal->j_free_bitmap_nodes > REISERFS_MAX_BITMAP_NODES) {
kfree(bn->data);
}
}
-static void allocate_bitmap_nodes(struct super_block *p_s_sb)
+static void allocate_bitmap_nodes(struct super_block *sb)
{
int i;
- struct reiserfs_journal *journal = SB_JOURNAL(p_s_sb);
+ struct reiserfs_journal *journal = SB_JOURNAL(sb);
struct reiserfs_bitmap_node *bn = NULL;
for (i = 0; i < REISERFS_MIN_BITMAP_NODES; i++) {
- bn = allocate_bitmap_node(p_s_sb);
+ bn = allocate_bitmap_node(sb);
if (bn) {
list_add(&bn->list, &journal->j_bitmap_nodes);
journal->j_free_bitmap_nodes++;
} else {
- break; // this is ok, we'll try again when more are needed
+ break; /* this is ok, we'll try again when more are needed */
}
}
}
-static int set_bit_in_list_bitmap(struct super_block *p_s_sb,
+static int set_bit_in_list_bitmap(struct super_block *sb,
b_blocknr_t block,
struct reiserfs_list_bitmap *jb)
{
- unsigned int bmap_nr = block / (p_s_sb->s_blocksize << 3);
- unsigned int bit_nr = block % (p_s_sb->s_blocksize << 3);
+ unsigned int bmap_nr = block / (sb->s_blocksize << 3);
+ unsigned int bit_nr = block % (sb->s_blocksize << 3);
if (!jb->bitmaps[bmap_nr]) {
- jb->bitmaps[bmap_nr] = get_bitmap_node(p_s_sb);
+ jb->bitmaps[bmap_nr] = get_bitmap_node(sb);
}
set_bit(bit_nr, (unsigned long *)jb->bitmaps[bmap_nr]->data);
return 0;
}
-static void cleanup_bitmap_list(struct super_block *p_s_sb,
+static void cleanup_bitmap_list(struct super_block *sb,
struct reiserfs_list_bitmap *jb)
{
int i;
if (jb->bitmaps == NULL)
return;
- for (i = 0; i < reiserfs_bmap_count(p_s_sb); i++) {
+ for (i = 0; i < reiserfs_bmap_count(sb); i++) {
if (jb->bitmaps[i]) {
- free_bitmap_node(p_s_sb, jb->bitmaps[i]);
+ free_bitmap_node(sb, jb->bitmaps[i]);
jb->bitmaps[i] = NULL;
}
}
/*
** only call this on FS unmount.
*/
-static int free_list_bitmaps(struct super_block *p_s_sb,
+static int free_list_bitmaps(struct super_block *sb,
struct reiserfs_list_bitmap *jb_array)
{
int i;
for (i = 0; i < JOURNAL_NUM_BITMAPS; i++) {
jb = jb_array + i;
jb->journal_list = NULL;
- cleanup_bitmap_list(p_s_sb, jb);
+ cleanup_bitmap_list(sb, jb);
vfree(jb->bitmaps);
jb->bitmaps = NULL;
}
return 0;
}
-static int free_bitmap_nodes(struct super_block *p_s_sb)
+static int free_bitmap_nodes(struct super_block *sb)
{
- struct reiserfs_journal *journal = SB_JOURNAL(p_s_sb);
+ struct reiserfs_journal *journal = SB_JOURNAL(sb);
struct list_head *next = journal->j_bitmap_nodes.next;
struct reiserfs_bitmap_node *bn;
}
/*
-** get memory for JOURNAL_NUM_BITMAPS worth of bitmaps.
+** get memory for JOURNAL_NUM_BITMAPS worth of bitmaps.
** jb_array is the array to be filled in.
*/
-int reiserfs_allocate_list_bitmaps(struct super_block *p_s_sb,
+int reiserfs_allocate_list_bitmaps(struct super_block *sb,
struct reiserfs_list_bitmap *jb_array,
unsigned int bmap_nr)
{
jb->journal_list = NULL;
jb->bitmaps = vmalloc(mem);
if (!jb->bitmaps) {
- reiserfs_warning(p_s_sb,
- "clm-2000, unable to allocate bitmaps for journal lists");
+ reiserfs_warning(sb, "clm-2000", "unable to "
+ "allocate bitmaps for journal lists");
failed = 1;
break;
}
memset(jb->bitmaps, 0, mem);
}
if (failed) {
- free_list_bitmaps(p_s_sb, jb_array);
+ free_list_bitmaps(sb, jb_array);
return -1;
}
return 0;
}
/*
-** find an available list bitmap. If you can't find one, flush a commit list
+** find an available list bitmap. If you can't find one, flush a commit list
** and try again
*/
-static struct reiserfs_list_bitmap *get_list_bitmap(struct super_block *p_s_sb,
+static struct reiserfs_list_bitmap *get_list_bitmap(struct super_block *sb,
struct reiserfs_journal_list
*jl)
{
int i, j;
- struct reiserfs_journal *journal = SB_JOURNAL(p_s_sb);
+ struct reiserfs_journal *journal = SB_JOURNAL(sb);
struct reiserfs_list_bitmap *jb = NULL;
for (j = 0; j < (JOURNAL_NUM_BITMAPS * 3); j++) {
journal->j_list_bitmap_index = (i + 1) % JOURNAL_NUM_BITMAPS;
jb = journal->j_list_bitmap + i;
if (journal->j_list_bitmap[i].journal_list) {
- flush_commit_list(p_s_sb,
+ flush_commit_list(sb,
journal->j_list_bitmap[i].
journal_list, 1);
if (!journal->j_list_bitmap[i].journal_list) {
return jb;
}
-/*
+/*
** allocates a new chunk of X nodes, and links them all together as a list.
** Uses the cnode->next and cnode->prev pointers
** returns NULL on failure
}
/*
-** pulls a cnode off the free list, or returns NULL on failure
+** pulls a cnode off the free list, or returns NULL on failure
*/
-static struct reiserfs_journal_cnode *get_cnode(struct super_block *p_s_sb)
+static struct reiserfs_journal_cnode *get_cnode(struct super_block *sb)
{
struct reiserfs_journal_cnode *cn;
- struct reiserfs_journal *journal = SB_JOURNAL(p_s_sb);
+ struct reiserfs_journal *journal = SB_JOURNAL(sb);
- reiserfs_check_lock_depth(p_s_sb, "get_cnode");
+ reiserfs_check_lock_depth(sb, "get_cnode");
if (journal->j_cnode_free <= 0) {
return NULL;
}
/*
-** returns a cnode to the free list
+** returns a cnode to the free list
*/
-static void free_cnode(struct super_block *p_s_sb,
+static void free_cnode(struct super_block *sb,
struct reiserfs_journal_cnode *cn)
{
- struct reiserfs_journal *journal = SB_JOURNAL(p_s_sb);
+ struct reiserfs_journal *journal = SB_JOURNAL(sb);
- reiserfs_check_lock_depth(p_s_sb, "free_cnode");
+ reiserfs_check_lock_depth(sb, "free_cnode");
journal->j_cnode_used--;
journal->j_cnode_free++;
{
#ifdef CONFIG_SMP
if (current->lock_depth < 0) {
- reiserfs_panic(sb, "%s called without kernel lock held",
- caller);
+ reiserfs_panic(sb, "journal-1", "%s called without kernel "
+ "lock held", caller);
}
#else
;
** reject it on the next call to reiserfs_in_journal
**
*/
-int reiserfs_in_journal(struct super_block *p_s_sb,
+int reiserfs_in_journal(struct super_block *sb,
unsigned int bmap_nr, int bit_nr, int search_all,
b_blocknr_t * next_zero_bit)
{
- struct reiserfs_journal *journal = SB_JOURNAL(p_s_sb);
+ struct reiserfs_journal *journal = SB_JOURNAL(sb);
struct reiserfs_journal_cnode *cn;
struct reiserfs_list_bitmap *jb;
int i;
*next_zero_bit = 0; /* always start this at zero. */
- PROC_INFO_INC(p_s_sb, journal.in_journal);
+ PROC_INFO_INC(sb, journal.in_journal);
/* If we aren't doing a search_all, this is a metablock, and it will be logged before use.
** if we crash before the transaction that freed it commits, this transaction won't
** have committed either, and the block will never be written
*/
if (search_all) {
for (i = 0; i < JOURNAL_NUM_BITMAPS; i++) {
- PROC_INFO_INC(p_s_sb, journal.in_journal_bitmap);
+ PROC_INFO_INC(sb, journal.in_journal_bitmap);
jb = journal->j_list_bitmap + i;
if (jb->journal_list && jb->bitmaps[bmap_nr] &&
test_bit(bit_nr,
find_next_zero_bit((unsigned long *)
(jb->bitmaps[bmap_nr]->
data),
- p_s_sb->s_blocksize << 3,
+ sb->s_blocksize << 3,
bit_nr + 1);
return 1;
}
}
}
- bl = bmap_nr * (p_s_sb->s_blocksize << 3) + bit_nr;
+ bl = bmap_nr * (sb->s_blocksize << 3) + bit_nr;
/* is it in any old transactions? */
if (search_all
&& (cn =
- get_journal_hash_dev(p_s_sb, journal->j_list_hash_table, bl))) {
+ get_journal_hash_dev(sb, journal->j_list_hash_table, bl))) {
return 1;
}
/* is it in the current transaction. This should never happen */
- if ((cn = get_journal_hash_dev(p_s_sb, journal->j_hash_table, bl))) {
+ if ((cn = get_journal_hash_dev(sb, journal->j_hash_table, bl))) {
BUG();
return 1;
}
- PROC_INFO_INC(p_s_sb, journal.in_journal_reusable);
+ PROC_INFO_INC(sb, journal.in_journal_reusable);
/* safe for reuse */
return 0;
}
}
/* lock the current transaction */
-static inline void lock_journal(struct super_block *p_s_sb)
+static inline void lock_journal(struct super_block *sb)
{
- PROC_INFO_INC(p_s_sb, journal.lock_journal);
- down(&SB_JOURNAL(p_s_sb)->j_lock);
+ PROC_INFO_INC(sb, journal.lock_journal);
+ mutex_lock(&SB_JOURNAL(sb)->j_mutex);
}
/* unlock the current transaction */
-static inline void unlock_journal(struct super_block *p_s_sb)
+static inline void unlock_journal(struct super_block *sb)
{
- up(&SB_JOURNAL(p_s_sb)->j_lock);
+ mutex_unlock(&SB_JOURNAL(sb)->j_mutex);
}
static inline void get_journal_list(struct reiserfs_journal_list *jl)
struct reiserfs_journal_list *jl)
{
if (jl->j_refcount < 1) {
- reiserfs_panic(s, "trans id %lu, refcount at %d",
+ reiserfs_panic(s, "journal-2", "trans id %u, refcount at %d",
jl->j_trans_id, jl->j_refcount);
}
if (--jl->j_refcount == 0)
** it gets called by flush_commit_list, and cleans up any data stored about blocks freed during a
** transaction.
*/
-static void cleanup_freed_for_journal_list(struct super_block *p_s_sb,
+static void cleanup_freed_for_journal_list(struct super_block *sb,
struct reiserfs_journal_list *jl)
{
struct reiserfs_list_bitmap *jb = jl->j_list_bitmap;
if (jb) {
- cleanup_bitmap_list(p_s_sb, jb);
+ cleanup_bitmap_list(sb, jb);
}
jl->j_list_bitmap->journal_list = NULL;
jl->j_list_bitmap = NULL;
}
static int journal_list_still_alive(struct super_block *s,
- unsigned long trans_id)
+ unsigned int trans_id)
{
struct reiserfs_journal *journal = SB_JOURNAL(s);
struct list_head *entry = &journal->j_journal_list;
static void release_buffer_page(struct buffer_head *bh)
{
struct page *page = bh->b_page;
- if (!page->mapping && !TestSetPageLocked(page)) {
+ if (!page->mapping && trylock_page(page)) {
page_cache_get(page);
put_bh(bh);
if (!page->mapping)
char b[BDEVNAME_SIZE];
if (buffer_journaled(bh)) {
- reiserfs_warning(NULL,
- "clm-2084: pinned buffer %lu:%s sent to disk",
+ reiserfs_warning(NULL, "clm-2084",
+ "pinned buffer %lu:%s sent to disk",
bh->b_blocknr, bdevname(bh->b_bdev, b));
}
if (uptodate)
jh = JH_ENTRY(list->next);
bh = jh->bh;
get_bh(bh);
- if (test_set_buffer_locked(bh)) {
+ if (!trylock_buffer(bh)) {
if (!buffer_dirty(bh)) {
list_move(&jh->list, &tmp);
goto loop_next;
struct reiserfs_journal_list *other_jl;
struct reiserfs_journal_list *first_jl;
struct list_head *entry;
- unsigned long trans_id = jl->j_trans_id;
- unsigned long other_trans_id;
- unsigned long first_trans_id;
+ unsigned int trans_id = jl->j_trans_id;
+ unsigned int other_trans_id;
+ unsigned int first_trans_id;
find_first:
/*
DEFINE_WAIT(wait);
struct reiserfs_journal *j = SB_JOURNAL(s);
if (atomic_read(&j->j_async_throttle))
- congestion_wait(WRITE, HZ / 10);
+ congestion_wait(BLK_RW_ASYNC, HZ / 10);
return 0;
}
int i;
b_blocknr_t bn;
struct buffer_head *tbh = NULL;
- unsigned long trans_id = jl->j_trans_id;
+ unsigned int trans_id = jl->j_trans_id;
struct reiserfs_journal *journal = SB_JOURNAL(s);
int barrier = 0;
int retval = 0;
}
/* make sure nobody is trying to flush this one at the same time */
- down(&jl->j_commit_lock);
+ mutex_lock(&jl->j_commit_mutex);
if (!journal_list_still_alive(s, trans_id)) {
- up(&jl->j_commit_lock);
+ mutex_unlock(&jl->j_commit_mutex);
goto put_jl;
}
BUG_ON(jl->j_trans_id == 0);
if (flushall) {
atomic_set(&(jl->j_older_commits_done), 1);
}
- up(&jl->j_commit_lock);
+ mutex_unlock(&jl->j_commit_mutex);
goto put_jl;
}
sync_dirty_buffer(tbh);
if (unlikely(!buffer_uptodate(tbh))) {
#ifdef CONFIG_REISERFS_CHECK
- reiserfs_warning(s, "journal-601, buffer write failed");
+ reiserfs_warning(s, "journal-601",
+ "buffer write failed");
#endif
retval = -EIO;
}
* up propagating the write error out to the filesystem. */
if (unlikely(!buffer_uptodate(jl->j_commit_bh))) {
#ifdef CONFIG_REISERFS_CHECK
- reiserfs_warning(s, "journal-615: buffer write failed");
+ reiserfs_warning(s, "journal-615", "buffer write failed");
#endif
retval = -EIO;
}
bforget(jl->j_commit_bh);
if (journal->j_last_commit_id != 0 &&
(jl->j_trans_id - journal->j_last_commit_id) != 1) {
- reiserfs_warning(s, "clm-2200: last commit %lu, current %lu",
+ reiserfs_warning(s, "clm-2200", "last commit %lu, current %lu",
journal->j_last_commit_id, jl->j_trans_id);
}
journal->j_last_commit_id = jl->j_trans_id;
if (flushall) {
atomic_set(&(jl->j_older_commits_done), 1);
}
- up(&jl->j_commit_lock);
+ mutex_unlock(&jl->j_commit_mutex);
put_jl:
put_journal_list(s, jl);
if (retval)
reiserfs_abort(s, retval, "Journal write error in %s",
- __FUNCTION__);
+ __func__);
put_fs_excl();
return retval;
}
/*
-** flush_journal_list frequently needs to find a newer transaction for a given block. This does that, or
-** returns NULL if it can't find anything
+** flush_journal_list frequently needs to find a newer transaction for a given block. This does that, or
+** returns NULL if it can't find anything
*/
static struct reiserfs_journal_list *find_newer_jl_for_cn(struct
reiserfs_journal_cnode
** journal list for this transaction. Aside from freeing the cnode, this also allows the
** block to be reallocated for data blocks if it had been deleted.
*/
-static void remove_all_from_journal_list(struct super_block *p_s_sb,
+static void remove_all_from_journal_list(struct super_block *sb,
struct reiserfs_journal_list *jl,
int debug)
{
- struct reiserfs_journal *journal = SB_JOURNAL(p_s_sb);
+ struct reiserfs_journal *journal = SB_JOURNAL(sb);
struct reiserfs_journal_cnode *cn, *last;
cn = jl->j_realblock;
while (cn) {
if (cn->blocknr != 0) {
if (debug) {
- reiserfs_warning(p_s_sb,
+ reiserfs_warning(sb, "reiserfs-2201",
"block %u, bh is %d, state %ld",
cn->blocknr, cn->bh ? 1 : 0,
cn->state);
}
cn->state = 0;
- remove_journal_hash(p_s_sb, journal->j_list_hash_table,
+ remove_journal_hash(sb, journal->j_list_hash_table,
jl, cn->blocknr, 1);
}
last = cn;
cn = cn->next;
- free_cnode(p_s_sb, last);
+ free_cnode(sb, last);
}
jl->j_realblock = NULL;
}
** called by flush_journal_list, before it calls remove_all_from_journal_list
**
*/
-static int _update_journal_header_block(struct super_block *p_s_sb,
+static int _update_journal_header_block(struct super_block *sb,
unsigned long offset,
- unsigned long trans_id)
+ unsigned int trans_id)
{
struct reiserfs_journal_header *jh;
- struct reiserfs_journal *journal = SB_JOURNAL(p_s_sb);
+ struct reiserfs_journal *journal = SB_JOURNAL(sb);
if (reiserfs_is_journal_aborted(journal))
return -EIO;
wait_on_buffer((journal->j_header_bh));
if (unlikely(!buffer_uptodate(journal->j_header_bh))) {
#ifdef CONFIG_REISERFS_CHECK
- reiserfs_warning(p_s_sb,
- "journal-699: buffer write failed");
+ reiserfs_warning(sb, "journal-699",
+ "buffer write failed");
#endif
return -EIO;
}
jh->j_first_unflushed_offset = cpu_to_le32(offset);
jh->j_mount_id = cpu_to_le32(journal->j_mount_id);
- if (reiserfs_barrier_flush(p_s_sb)) {
+ if (reiserfs_barrier_flush(sb)) {
int ret;
lock_buffer(journal->j_header_bh);
ret = submit_barrier_buffer(journal->j_header_bh);
if (ret == -EOPNOTSUPP) {
set_buffer_uptodate(journal->j_header_bh);
- disable_barrier(p_s_sb);
+ disable_barrier(sb);
goto sync;
}
wait_on_buffer(journal->j_header_bh);
- check_barrier_completion(p_s_sb, journal->j_header_bh);
+ check_barrier_completion(sb, journal->j_header_bh);
} else {
sync:
set_buffer_dirty(journal->j_header_bh);
sync_dirty_buffer(journal->j_header_bh);
}
if (!buffer_uptodate(journal->j_header_bh)) {
- reiserfs_warning(p_s_sb,
- "journal-837: IO error during journal replay");
+ reiserfs_warning(sb, "journal-837",
+ "IO error during journal replay");
return -EIO;
}
}
return 0;
}
-static int update_journal_header_block(struct super_block *p_s_sb,
+static int update_journal_header_block(struct super_block *sb,
unsigned long offset,
- unsigned long trans_id)
+ unsigned int trans_id)
{
- return _update_journal_header_block(p_s_sb, offset, trans_id);
+ return _update_journal_header_block(sb, offset, trans_id);
}
-/*
-** flush any and all journal lists older than you are
+/*
+** flush any and all journal lists older than you are
** can only be called from flush_journal_list
*/
-static int flush_older_journal_lists(struct super_block *p_s_sb,
+static int flush_older_journal_lists(struct super_block *sb,
struct reiserfs_journal_list *jl)
{
struct list_head *entry;
struct reiserfs_journal_list *other_jl;
- struct reiserfs_journal *journal = SB_JOURNAL(p_s_sb);
- unsigned long trans_id = jl->j_trans_id;
+ struct reiserfs_journal *journal = SB_JOURNAL(sb);
+ unsigned int trans_id = jl->j_trans_id;
/* we know we are the only ones flushing things, no extra race
* protection is required.
if (other_jl->j_trans_id < trans_id) {
BUG_ON(other_jl->j_refcount <= 0);
/* do not flush all */
- flush_journal_list(p_s_sb, other_jl, 0);
+ flush_journal_list(sb, other_jl, 0);
/* other_jl is now deleted from the list */
goto restart;
** always set flushall to 1, unless you are calling from inside
** flush_journal_list
**
-** IMPORTANT. This can only be called while there are no journal writers,
-** and the journal is locked. That means it can only be called from
+** IMPORTANT. This can only be called while there are no journal writers,
+** and the journal is locked. That means it can only be called from
** do_journal_end, or by journal_release
*/
static int flush_journal_list(struct super_block *s,
BUG_ON(j_len_saved <= 0);
if (atomic_read(&journal->j_wcount) != 0) {
- reiserfs_warning(s,
- "clm-2048: flush_journal_list called with wcount %d",
+ reiserfs_warning(s, "clm-2048", "called with wcount %d",
atomic_read(&journal->j_wcount));
}
BUG_ON(jl->j_trans_id == 0);
/* if flushall == 0, the lock is already held */
if (flushall) {
- down(&journal->j_flush_sem);
- } else if (!down_trylock(&journal->j_flush_sem)) {
+ mutex_lock(&journal->j_flush_mutex);
+ } else if (mutex_trylock(&journal->j_flush_mutex)) {
BUG();
}
count = 0;
if (j_len_saved > journal->j_trans_max) {
- reiserfs_panic(s,
- "journal-715: flush_journal_list, length is %lu, trans id %lu\n",
+ reiserfs_panic(s, "journal-715", "length is %lu, trans id %lu",
j_len_saved, jl->j_trans_id);
return 0;
}
goto flush_older_and_return;
}
- /* start by putting the commit list on disk. This will also flush
+ /* start by putting the commit list on disk. This will also flush
** the commit lists of any olders transactions
*/
flush_commit_list(s, jl, 1);
goto flush_older_and_return;
}
- /* loop through each cnode, see if we need to write it,
- ** or wait on a more recent transaction, or just ignore it
+ /* loop through each cnode, see if we need to write it,
+ ** or wait on a more recent transaction, or just ignore it
*/
if (atomic_read(&(journal->j_wcount)) != 0) {
- reiserfs_panic(s,
- "journal-844: panic journal list is flushing, wcount is not 0\n");
+ reiserfs_panic(s, "journal-844", "journal list is flushing, "
+ "wcount is not 0");
}
cn = jl->j_realblock;
while (cn) {
if (!pjl && cn->bh) {
saved_bh = cn->bh;
- /* we do this to make sure nobody releases the buffer while
- ** we are working with it
+ /* we do this to make sure nobody releases the buffer while
+ ** we are working with it
*/
get_bh(saved_bh);
goto free_cnode;
}
- /* bh == NULL when the block got to disk on its own, OR,
- ** the block got freed in a future transaction
+ /* bh == NULL when the block got to disk on its own, OR,
+ ** the block got freed in a future transaction
*/
if (saved_bh == NULL) {
goto free_cnode;
** is not marked JDirty_wait
*/
if ((!was_jwait) && !buffer_locked(saved_bh)) {
- reiserfs_warning(s,
- "journal-813: BAD! buffer %llu %cdirty %cjwait, "
+ reiserfs_warning(s, "journal-813",
+ "BAD! buffer %llu %cdirty %cjwait, "
"not in a newer tranasction",
(unsigned long long)saved_bh->
b_blocknr, was_dirty ? ' ' : '!',
unlock_buffer(saved_bh);
count++;
} else {
- reiserfs_warning(s,
- "clm-2082: Unable to flush buffer %llu in %s",
+ reiserfs_warning(s, "clm-2082",
+ "Unable to flush buffer %llu in %s",
(unsigned long long)saved_bh->
- b_blocknr, __FUNCTION__);
+ b_blocknr, __func__);
}
free_cnode:
last = cn;
/* we incremented this to keep others from taking the buffer head away */
put_bh(saved_bh);
if (atomic_read(&(saved_bh->b_count)) < 0) {
- reiserfs_warning(s,
- "journal-945: saved_bh->b_count < 0");
+ reiserfs_warning(s, "journal-945",
+ "saved_bh->b_count < 0");
}
}
}
while (cn) {
if (test_bit(BLOCK_NEEDS_FLUSH, &cn->state)) {
if (!cn->bh) {
- reiserfs_panic(s,
- "journal-1011: cn->bh is NULL\n");
+ reiserfs_panic(s, "journal-1011",
+ "cn->bh is NULL");
}
wait_on_buffer(cn->bh);
if (!cn->bh) {
- reiserfs_panic(s,
- "journal-1012: cn->bh is NULL\n");
+ reiserfs_panic(s, "journal-1012",
+ "cn->bh is NULL");
}
if (unlikely(!buffer_uptodate(cn->bh))) {
#ifdef CONFIG_REISERFS_CHECK
- reiserfs_warning(s,
- "journal-949: buffer write failed\n");
+ reiserfs_warning(s, "journal-949",
+ "buffer write failed");
#endif
err = -EIO;
}
if (err)
reiserfs_abort(s, -EIO,
"Write error while pushing transaction to disk in %s",
- __FUNCTION__);
+ __func__);
flush_older_and_return:
- /* before we can update the journal header block, we _must_ flush all
+ /* before we can update the journal header block, we _must_ flush all
** real blocks from all older transactions to disk. This is because
** once the header block is updated, this transaction will not be
** replayed after a crash
}
err = journal->j_errno;
- /* before we can remove everything from the hash tables for this
+ /* before we can remove everything from the hash tables for this
** transaction, we must make sure it can never be replayed
**
** since we are only called from do_journal_end, we know for sure there
if (err)
reiserfs_abort(s, -EIO,
"Write error while updating journal header in %s",
- __FUNCTION__);
+ __func__);
}
remove_all_from_journal_list(s, jl, 0);
list_del_init(&jl->j_list);
if (journal->j_last_flush_id != 0 &&
(jl->j_trans_id - journal->j_last_flush_id) != 1) {
- reiserfs_warning(s, "clm-2201: last flush %lu, current %lu",
+ reiserfs_warning(s, "clm-2201", "last flush %lu, current %lu",
journal->j_last_flush_id, jl->j_trans_id);
}
journal->j_last_flush_id = jl->j_trans_id;
jl->j_state = 0;
put_journal_list(s, jl);
if (flushall)
- up(&journal->j_flush_sem);
+ mutex_unlock(&journal->j_flush_mutex);
put_fs_excl();
return err;
}
static int kupdate_transactions(struct super_block *s,
struct reiserfs_journal_list *jl,
struct reiserfs_journal_list **next_jl,
- unsigned long *next_trans_id,
+ unsigned int *next_trans_id,
int num_blocks, int num_trans)
{
int ret = 0;
int written = 0;
int transactions_flushed = 0;
- unsigned long orig_trans_id = jl->j_trans_id;
+ unsigned int orig_trans_id = jl->j_trans_id;
struct buffer_chunk chunk;
struct list_head *entry;
struct reiserfs_journal *journal = SB_JOURNAL(s);
chunk.nr = 0;
- down(&journal->j_flush_sem);
+ mutex_lock(&journal->j_flush_mutex);
if (!journal_list_still_alive(s, orig_trans_id)) {
goto done;
}
- /* we've got j_flush_sem held, nobody is going to delete any
+ /* we've got j_flush_mutex held, nobody is going to delete any
* of these lists out from underneath us
*/
while ((num_trans && transactions_flushed < num_trans) ||
}
done:
- up(&journal->j_flush_sem);
+ mutex_unlock(&journal->j_flush_mutex);
return ret;
}
int limit = 256;
struct reiserfs_journal_list *tjl;
struct reiserfs_journal_list *flush_jl;
- unsigned long trans_id;
+ unsigned int trans_id;
struct reiserfs_journal *journal = SB_JOURNAL(s);
flush_jl = tjl = jl;
}
}
-static void free_journal_ram(struct super_block *p_s_sb)
+static void free_journal_ram(struct super_block *sb)
{
- struct reiserfs_journal *journal = SB_JOURNAL(p_s_sb);
+ struct reiserfs_journal *journal = SB_JOURNAL(sb);
kfree(journal->j_current_jl);
journal->j_num_lists--;
vfree(journal->j_cnode_free_orig);
- free_list_bitmaps(p_s_sb, journal->j_list_bitmap);
- free_bitmap_nodes(p_s_sb); /* must be after free_list_bitmaps */
+ free_list_bitmaps(sb, journal->j_list_bitmap);
+ free_bitmap_nodes(sb); /* must be after free_list_bitmaps */
if (journal->j_header_bh) {
brelse(journal->j_header_bh);
}
/* j_header_bh is on the journal dev, make sure not to release the journal
* dev until we brelse j_header_bh
*/
- release_journal_dev(p_s_sb, journal);
+ release_journal_dev(sb, journal);
vfree(journal);
}
** of read_super() yet. Any other caller must keep error at 0.
*/
static int do_journal_release(struct reiserfs_transaction_handle *th,
- struct super_block *p_s_sb, int error)
+ struct super_block *sb, int error)
{
struct reiserfs_transaction_handle myth;
int flushed = 0;
- struct reiserfs_journal *journal = SB_JOURNAL(p_s_sb);
+ struct reiserfs_journal *journal = SB_JOURNAL(sb);
/* we only want to flush out transactions if we were called with error == 0
*/
- if (!error && !(p_s_sb->s_flags & MS_RDONLY)) {
+ if (!error && !(sb->s_flags & MS_RDONLY)) {
/* end the current trans */
BUG_ON(!th->t_trans_id);
- do_journal_end(th, p_s_sb, 10, FLUSH_ALL);
+ do_journal_end(th, sb, 10, FLUSH_ALL);
/* make sure something gets logged to force our way into the flush code */
- if (!journal_join(&myth, p_s_sb, 1)) {
- reiserfs_prepare_for_journal(p_s_sb,
- SB_BUFFER_WITH_SB(p_s_sb),
+ if (!journal_join(&myth, sb, 1)) {
+ reiserfs_prepare_for_journal(sb,
+ SB_BUFFER_WITH_SB(sb),
1);
- journal_mark_dirty(&myth, p_s_sb,
- SB_BUFFER_WITH_SB(p_s_sb));
- do_journal_end(&myth, p_s_sb, 1, FLUSH_ALL);
+ journal_mark_dirty(&myth, sb,
+ SB_BUFFER_WITH_SB(sb));
+ do_journal_end(&myth, sb, 1, FLUSH_ALL);
flushed = 1;
}
}
/* this also catches errors during the do_journal_end above */
if (!error && reiserfs_is_journal_aborted(journal)) {
memset(&myth, 0, sizeof(myth));
- if (!journal_join_abort(&myth, p_s_sb, 1)) {
- reiserfs_prepare_for_journal(p_s_sb,
- SB_BUFFER_WITH_SB(p_s_sb),
+ if (!journal_join_abort(&myth, sb, 1)) {
+ reiserfs_prepare_for_journal(sb,
+ SB_BUFFER_WITH_SB(sb),
1);
- journal_mark_dirty(&myth, p_s_sb,
- SB_BUFFER_WITH_SB(p_s_sb));
- do_journal_end(&myth, p_s_sb, 1, FLUSH_ALL);
+ journal_mark_dirty(&myth, sb,
+ SB_BUFFER_WITH_SB(sb));
+ do_journal_end(&myth, sb, 1, FLUSH_ALL);
}
}
reiserfs_mounted_fs_count--;
/* wait for all commits to finish */
- cancel_delayed_work(&SB_JOURNAL(p_s_sb)->j_work);
+ cancel_delayed_work(&SB_JOURNAL(sb)->j_work);
flush_workqueue(commit_wq);
if (!reiserfs_mounted_fs_count) {
destroy_workqueue(commit_wq);
commit_wq = NULL;
}
- free_journal_ram(p_s_sb);
+ free_journal_ram(sb);
return 0;
}
** call on unmount. flush all journal trans, release all alloc'd ram
*/
int journal_release(struct reiserfs_transaction_handle *th,
- struct super_block *p_s_sb)
+ struct super_block *sb)
{
- return do_journal_release(th, p_s_sb, 0);
+ return do_journal_release(th, sb, 0);
}
/*
** only call from an error condition inside reiserfs_read_super!
*/
int journal_release_error(struct reiserfs_transaction_handle *th,
- struct super_block *p_s_sb)
+ struct super_block *sb)
{
- return do_journal_release(th, p_s_sb, 1);
+ return do_journal_release(th, sb, 1);
}
/* compares description block with commit block. returns 1 if they differ, 0 if they are the same */
-static int journal_compare_desc_commit(struct super_block *p_s_sb,
+static int journal_compare_desc_commit(struct super_block *sb,
struct reiserfs_journal_desc *desc,
struct reiserfs_journal_commit *commit)
{
if (get_commit_trans_id(commit) != get_desc_trans_id(desc) ||
get_commit_trans_len(commit) != get_desc_trans_len(desc) ||
- get_commit_trans_len(commit) > SB_JOURNAL(p_s_sb)->j_trans_max ||
+ get_commit_trans_len(commit) > SB_JOURNAL(sb)->j_trans_max ||
get_commit_trans_len(commit) <= 0) {
return 1;
}
return 0;
}
-/* returns 0 if it did not find a description block
+/* returns 0 if it did not find a description block
** returns -1 if it found a corrupt commit block
-** returns 1 if both desc and commit were valid
+** returns 1 if both desc and commit were valid
*/
-static int journal_transaction_is_valid(struct super_block *p_s_sb,
+static int journal_transaction_is_valid(struct super_block *sb,
struct buffer_head *d_bh,
- unsigned long *oldest_invalid_trans_id,
+ unsigned int *oldest_invalid_trans_id,
unsigned long *newest_mount_id)
{
struct reiserfs_journal_desc *desc;
&& !memcmp(get_journal_desc_magic(d_bh), JOURNAL_DESC_MAGIC, 8)) {
if (oldest_invalid_trans_id && *oldest_invalid_trans_id
&& get_desc_trans_id(desc) > *oldest_invalid_trans_id) {
- reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE,
+ reiserfs_debug(sb, REISERFS_DEBUG_CODE,
"journal-986: transaction "
"is valid returning because trans_id %d is greater than "
"oldest_invalid %lu",
}
if (newest_mount_id
&& *newest_mount_id > get_desc_mount_id(desc)) {
- reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE,
+ reiserfs_debug(sb, REISERFS_DEBUG_CODE,
"journal-1087: transaction "
"is valid returning because mount_id %d is less than "
"newest_mount_id %lu",
*newest_mount_id);
return -1;
}
- if (get_desc_trans_len(desc) > SB_JOURNAL(p_s_sb)->j_trans_max) {
- reiserfs_warning(p_s_sb,
- "journal-2018: Bad transaction length %d encountered, ignoring transaction",
+ if (get_desc_trans_len(desc) > SB_JOURNAL(sb)->j_trans_max) {
+ reiserfs_warning(sb, "journal-2018",
+ "Bad transaction length %d "
+ "encountered, ignoring transaction",
get_desc_trans_len(desc));
return -1;
}
- offset = d_bh->b_blocknr - SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb);
+ offset = d_bh->b_blocknr - SB_ONDISK_JOURNAL_1st_BLOCK(sb);
/* ok, we have a journal description block, lets see if the transaction was valid */
c_bh =
- journal_bread(p_s_sb,
- SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) +
+ journal_bread(sb,
+ SB_ONDISK_JOURNAL_1st_BLOCK(sb) +
((offset + get_desc_trans_len(desc) +
- 1) % SB_ONDISK_JOURNAL_SIZE(p_s_sb)));
+ 1) % SB_ONDISK_JOURNAL_SIZE(sb)));
if (!c_bh)
return 0;
commit = (struct reiserfs_journal_commit *)c_bh->b_data;
- if (journal_compare_desc_commit(p_s_sb, desc, commit)) {
- reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE,
+ if (journal_compare_desc_commit(sb, desc, commit)) {
+ reiserfs_debug(sb, REISERFS_DEBUG_CODE,
"journal_transaction_is_valid, commit offset %ld had bad "
"time %d or length %d",
c_bh->b_blocknr -
- SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb),
+ SB_ONDISK_JOURNAL_1st_BLOCK(sb),
get_commit_trans_id(commit),
get_commit_trans_len(commit));
brelse(c_bh);
if (oldest_invalid_trans_id) {
*oldest_invalid_trans_id =
get_desc_trans_id(desc);
- reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE,
+ reiserfs_debug(sb, REISERFS_DEBUG_CODE,
"journal-1004: "
"transaction_is_valid setting oldest invalid trans_id "
"to %d",
return -1;
}
brelse(c_bh);
- reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE,
+ reiserfs_debug(sb, REISERFS_DEBUG_CODE,
"journal-1006: found valid "
"transaction start offset %llu, len %d id %d",
d_bh->b_blocknr -
- SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb),
+ SB_ONDISK_JOURNAL_1st_BLOCK(sb),
get_desc_trans_len(desc),
get_desc_trans_id(desc));
return 1;
** this either reads in a replays a transaction, or returns because the transaction
** is invalid, or too old.
*/
-static int journal_read_transaction(struct super_block *p_s_sb,
+static int journal_read_transaction(struct super_block *sb,
unsigned long cur_dblock,
unsigned long oldest_start,
- unsigned long oldest_trans_id,
+ unsigned int oldest_trans_id,
unsigned long newest_mount_id)
{
- struct reiserfs_journal *journal = SB_JOURNAL(p_s_sb);
+ struct reiserfs_journal *journal = SB_JOURNAL(sb);
struct reiserfs_journal_desc *desc;
struct reiserfs_journal_commit *commit;
- unsigned long trans_id = 0;
+ unsigned int trans_id = 0;
struct buffer_head *c_bh;
struct buffer_head *d_bh;
struct buffer_head **log_blocks = NULL;
struct buffer_head **real_blocks = NULL;
- unsigned long trans_offset;
+ unsigned int trans_offset;
int i;
int trans_half;
- d_bh = journal_bread(p_s_sb, cur_dblock);
+ d_bh = journal_bread(sb, cur_dblock);
if (!d_bh)
return 1;
desc = (struct reiserfs_journal_desc *)d_bh->b_data;
- trans_offset = d_bh->b_blocknr - SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb);
- reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE, "journal-1037: "
+ trans_offset = d_bh->b_blocknr - SB_ONDISK_JOURNAL_1st_BLOCK(sb);
+ reiserfs_debug(sb, REISERFS_DEBUG_CODE, "journal-1037: "
"journal_read_transaction, offset %llu, len %d mount_id %d",
- d_bh->b_blocknr - SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb),
+ d_bh->b_blocknr - SB_ONDISK_JOURNAL_1st_BLOCK(sb),
get_desc_trans_len(desc), get_desc_mount_id(desc));
if (get_desc_trans_id(desc) < oldest_trans_id) {
- reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE, "journal-1039: "
+ reiserfs_debug(sb, REISERFS_DEBUG_CODE, "journal-1039: "
"journal_read_trans skipping because %lu is too old",
cur_dblock -
- SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb));
+ SB_ONDISK_JOURNAL_1st_BLOCK(sb));
brelse(d_bh);
return 1;
}
if (get_desc_mount_id(desc) != newest_mount_id) {
- reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE, "journal-1146: "
+ reiserfs_debug(sb, REISERFS_DEBUG_CODE, "journal-1146: "
"journal_read_trans skipping because %d is != "
"newest_mount_id %lu", get_desc_mount_id(desc),
newest_mount_id);
brelse(d_bh);
return 1;
}
- c_bh = journal_bread(p_s_sb, SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) +
+ c_bh = journal_bread(sb, SB_ONDISK_JOURNAL_1st_BLOCK(sb) +
((trans_offset + get_desc_trans_len(desc) + 1) %
- SB_ONDISK_JOURNAL_SIZE(p_s_sb)));
+ SB_ONDISK_JOURNAL_SIZE(sb)));
if (!c_bh) {
brelse(d_bh);
return 1;
}
commit = (struct reiserfs_journal_commit *)c_bh->b_data;
- if (journal_compare_desc_commit(p_s_sb, desc, commit)) {
- reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE,
+ if (journal_compare_desc_commit(sb, desc, commit)) {
+ reiserfs_debug(sb, REISERFS_DEBUG_CODE,
"journal_read_transaction, "
"commit offset %llu had bad time %d or length %d",
c_bh->b_blocknr -
- SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb),
+ SB_ONDISK_JOURNAL_1st_BLOCK(sb),
get_commit_trans_id(commit),
get_commit_trans_len(commit));
brelse(c_bh);
brelse(d_bh);
kfree(log_blocks);
kfree(real_blocks);
- reiserfs_warning(p_s_sb,
- "journal-1169: kmalloc failed, unable to mount FS");
+ reiserfs_warning(sb, "journal-1169",
+ "kmalloc failed, unable to mount FS");
return -1;
}
/* get all the buffer heads */
- trans_half = journal_trans_half(p_s_sb->s_blocksize);
+ trans_half = journal_trans_half(sb->s_blocksize);
for (i = 0; i < get_desc_trans_len(desc); i++) {
log_blocks[i] =
- journal_getblk(p_s_sb,
- SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) +
+ journal_getblk(sb,
+ SB_ONDISK_JOURNAL_1st_BLOCK(sb) +
(trans_offset + 1 +
- i) % SB_ONDISK_JOURNAL_SIZE(p_s_sb));
+ i) % SB_ONDISK_JOURNAL_SIZE(sb));
if (i < trans_half) {
real_blocks[i] =
- sb_getblk(p_s_sb,
+ sb_getblk(sb,
le32_to_cpu(desc->j_realblock[i]));
} else {
real_blocks[i] =
- sb_getblk(p_s_sb,
+ sb_getblk(sb,
le32_to_cpu(commit->
j_realblock[i - trans_half]));
}
- if (real_blocks[i]->b_blocknr > SB_BLOCK_COUNT(p_s_sb)) {
- reiserfs_warning(p_s_sb,
- "journal-1207: REPLAY FAILURE fsck required! Block to replay is outside of filesystem");
+ if (real_blocks[i]->b_blocknr > SB_BLOCK_COUNT(sb)) {
+ reiserfs_warning(sb, "journal-1207",
+ "REPLAY FAILURE fsck required! "
+ "Block to replay is outside of "
+ "filesystem");
goto abort_replay;
}
/* make sure we don't try to replay onto log or reserved area */
if (is_block_in_log_or_reserved_area
- (p_s_sb, real_blocks[i]->b_blocknr)) {
- reiserfs_warning(p_s_sb,
- "journal-1204: REPLAY FAILURE fsck required! Trying to replay onto a log block");
+ (sb, real_blocks[i]->b_blocknr)) {
+ reiserfs_warning(sb, "journal-1204",
+ "REPLAY FAILURE fsck required! "
+ "Trying to replay onto a log block");
abort_replay:
brelse_array(log_blocks, i);
brelse_array(real_blocks, i);
for (i = 0; i < get_desc_trans_len(desc); i++) {
wait_on_buffer(log_blocks[i]);
if (!buffer_uptodate(log_blocks[i])) {
- reiserfs_warning(p_s_sb,
- "journal-1212: REPLAY FAILURE fsck required! buffer write failed");
+ reiserfs_warning(sb, "journal-1212",
+ "REPLAY FAILURE fsck required! "
+ "buffer write failed");
brelse_array(log_blocks + i,
get_desc_trans_len(desc) - i);
brelse_array(real_blocks, get_desc_trans_len(desc));
for (i = 0; i < get_desc_trans_len(desc); i++) {
wait_on_buffer(real_blocks[i]);
if (!buffer_uptodate(real_blocks[i])) {
- reiserfs_warning(p_s_sb,
- "journal-1226: REPLAY FAILURE, fsck required! buffer write failed");
+ reiserfs_warning(sb, "journal-1226",
+ "REPLAY FAILURE, fsck required! "
+ "buffer write failed");
brelse_array(real_blocks + i,
get_desc_trans_len(desc) - i);
brelse(c_bh);
brelse(real_blocks[i]);
}
cur_dblock =
- SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) +
+ SB_ONDISK_JOURNAL_1st_BLOCK(sb) +
((trans_offset + get_desc_trans_len(desc) +
- 2) % SB_ONDISK_JOURNAL_SIZE(p_s_sb));
- reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE,
+ 2) % SB_ONDISK_JOURNAL_SIZE(sb));
+ reiserfs_debug(sb, REISERFS_DEBUG_CODE,
"journal-1095: setting journal " "start to offset %ld",
- cur_dblock - SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb));
+ cur_dblock - SB_ONDISK_JOURNAL_1st_BLOCK(sb));
/* init starting values for the first transaction, in case this is the last transaction to be replayed. */
- journal->j_start = cur_dblock - SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb);
+ journal->j_start = cur_dblock - SB_ONDISK_JOURNAL_1st_BLOCK(sb);
journal->j_last_flush_trans_id = trans_id;
journal->j_trans_id = trans_id + 1;
/* check for trans_id overflow */
**
** On exit, it sets things up so the first transaction will work correctly.
*/
-static int journal_read(struct super_block *p_s_sb)
+static int journal_read(struct super_block *sb)
{
- struct reiserfs_journal *journal = SB_JOURNAL(p_s_sb);
+ struct reiserfs_journal *journal = SB_JOURNAL(sb);
struct reiserfs_journal_desc *desc;
- unsigned long oldest_trans_id = 0;
- unsigned long oldest_invalid_trans_id = 0;
+ unsigned int oldest_trans_id = 0;
+ unsigned int oldest_invalid_trans_id = 0;
time_t start;
unsigned long oldest_start = 0;
unsigned long cur_dblock = 0;
int ret;
char b[BDEVNAME_SIZE];
- cur_dblock = SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb);
- reiserfs_info(p_s_sb, "checking transaction log (%s)\n",
+ cur_dblock = SB_ONDISK_JOURNAL_1st_BLOCK(sb);
+ reiserfs_info(sb, "checking transaction log (%s)\n",
bdevname(journal->j_dev_bd, b));
start = get_seconds();
- /* step 1, read in the journal header block. Check the transaction it says
- ** is the first unflushed, and if that transaction is not valid,
+ /* step 1, read in the journal header block. Check the transaction it says
+ ** is the first unflushed, and if that transaction is not valid,
** replay is done
*/
- journal->j_header_bh = journal_bread(p_s_sb,
- SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb)
- + SB_ONDISK_JOURNAL_SIZE(p_s_sb));
+ journal->j_header_bh = journal_bread(sb,
+ SB_ONDISK_JOURNAL_1st_BLOCK(sb)
+ + SB_ONDISK_JOURNAL_SIZE(sb));
if (!journal->j_header_bh) {
return 1;
}
jh = (struct reiserfs_journal_header *)(journal->j_header_bh->b_data);
if (le32_to_cpu(jh->j_first_unflushed_offset) <
- SB_ONDISK_JOURNAL_SIZE(p_s_sb)
+ SB_ONDISK_JOURNAL_SIZE(sb)
&& le32_to_cpu(jh->j_last_flush_trans_id) > 0) {
oldest_start =
- SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) +
+ SB_ONDISK_JOURNAL_1st_BLOCK(sb) +
le32_to_cpu(jh->j_first_unflushed_offset);
oldest_trans_id = le32_to_cpu(jh->j_last_flush_trans_id) + 1;
newest_mount_id = le32_to_cpu(jh->j_mount_id);
- reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE,
+ reiserfs_debug(sb, REISERFS_DEBUG_CODE,
"journal-1153: found in "
"header: first_unflushed_offset %d, last_flushed_trans_id "
"%lu", le32_to_cpu(jh->j_first_unflushed_offset),
le32_to_cpu(jh->j_last_flush_trans_id));
valid_journal_header = 1;
- /* now, we try to read the first unflushed offset. If it is not valid,
- ** there is nothing more we can do, and it makes no sense to read
+ /* now, we try to read the first unflushed offset. If it is not valid,
+ ** there is nothing more we can do, and it makes no sense to read
** through the whole log.
*/
d_bh =
- journal_bread(p_s_sb,
- SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) +
+ journal_bread(sb,
+ SB_ONDISK_JOURNAL_1st_BLOCK(sb) +
le32_to_cpu(jh->j_first_unflushed_offset));
- ret = journal_transaction_is_valid(p_s_sb, d_bh, NULL, NULL);
+ ret = journal_transaction_is_valid(sb, d_bh, NULL, NULL);
if (!ret) {
continue_replay = 0;
}
goto start_log_replay;
}
- if (continue_replay && bdev_read_only(p_s_sb->s_bdev)) {
- reiserfs_warning(p_s_sb,
- "clm-2076: device is readonly, unable to replay log");
+ if (continue_replay && bdev_read_only(sb->s_bdev)) {
+ reiserfs_warning(sb, "clm-2076",
+ "device is readonly, unable to replay log");
return -1;
}
*/
while (continue_replay
&& cur_dblock <
- (SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) +
- SB_ONDISK_JOURNAL_SIZE(p_s_sb))) {
+ (SB_ONDISK_JOURNAL_1st_BLOCK(sb) +
+ SB_ONDISK_JOURNAL_SIZE(sb))) {
/* Note that it is required for blocksize of primary fs device and journal
device to be the same */
d_bh =
reiserfs_breada(journal->j_dev_bd, cur_dblock,
- p_s_sb->s_blocksize,
- SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) +
- SB_ONDISK_JOURNAL_SIZE(p_s_sb));
+ sb->s_blocksize,
+ SB_ONDISK_JOURNAL_1st_BLOCK(sb) +
+ SB_ONDISK_JOURNAL_SIZE(sb));
ret =
- journal_transaction_is_valid(p_s_sb, d_bh,
+ journal_transaction_is_valid(sb, d_bh,
&oldest_invalid_trans_id,
&newest_mount_id);
if (ret == 1) {
oldest_trans_id = get_desc_trans_id(desc);
oldest_start = d_bh->b_blocknr;
newest_mount_id = get_desc_mount_id(desc);
- reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE,
+ reiserfs_debug(sb, REISERFS_DEBUG_CODE,
"journal-1179: Setting "
"oldest_start to offset %llu, trans_id %lu",
oldest_start -
SB_ONDISK_JOURNAL_1st_BLOCK
- (p_s_sb), oldest_trans_id);
+ (sb), oldest_trans_id);
} else if (oldest_trans_id > get_desc_trans_id(desc)) {
/* one we just read was older */
oldest_trans_id = get_desc_trans_id(desc);
oldest_start = d_bh->b_blocknr;
- reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE,
+ reiserfs_debug(sb, REISERFS_DEBUG_CODE,
"journal-1180: Resetting "
"oldest_start to offset %lu, trans_id %lu",
oldest_start -
SB_ONDISK_JOURNAL_1st_BLOCK
- (p_s_sb), oldest_trans_id);
+ (sb), oldest_trans_id);
}
if (newest_mount_id < get_desc_mount_id(desc)) {
newest_mount_id = get_desc_mount_id(desc);
- reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE,
+ reiserfs_debug(sb, REISERFS_DEBUG_CODE,
"journal-1299: Setting "
"newest_mount_id to %d",
get_desc_mount_id(desc));
start_log_replay:
cur_dblock = oldest_start;
if (oldest_trans_id) {
- reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE,
+ reiserfs_debug(sb, REISERFS_DEBUG_CODE,
"journal-1206: Starting replay "
"from offset %llu, trans_id %lu",
- cur_dblock - SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb),
+ cur_dblock - SB_ONDISK_JOURNAL_1st_BLOCK(sb),
oldest_trans_id);
}
replay_count = 0;
while (continue_replay && oldest_trans_id > 0) {
ret =
- journal_read_transaction(p_s_sb, cur_dblock, oldest_start,
+ journal_read_transaction(sb, cur_dblock, oldest_start,
oldest_trans_id, newest_mount_id);
if (ret < 0) {
return ret;
break;
}
cur_dblock =
- SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) + journal->j_start;
+ SB_ONDISK_JOURNAL_1st_BLOCK(sb) + journal->j_start;
replay_count++;
if (cur_dblock == oldest_start)
break;
}
if (oldest_trans_id == 0) {
- reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE,
+ reiserfs_debug(sb, REISERFS_DEBUG_CODE,
"journal-1225: No valid " "transactions found");
}
/* j_start does not get set correctly if we don't replay any transactions.
} else {
journal->j_mount_id = newest_mount_id + 1;
}
- reiserfs_debug(p_s_sb, REISERFS_DEBUG_CODE, "journal-1299: Setting "
+ reiserfs_debug(sb, REISERFS_DEBUG_CODE, "journal-1299: Setting "
"newest_mount_id to %lu", journal->j_mount_id);
journal->j_first_unflushed_offset = journal->j_start;
if (replay_count > 0) {
- reiserfs_info(p_s_sb,
+ reiserfs_info(sb,
"replayed %d transactions in %lu seconds\n",
replay_count, get_seconds() - start);
}
- if (!bdev_read_only(p_s_sb->s_bdev) &&
- _update_journal_header_block(p_s_sb, journal->j_start,
+ if (!bdev_read_only(sb->s_bdev) &&
+ _update_journal_header_block(sb, journal->j_start,
journal->j_last_flush_trans_id)) {
/* replay failed, caller must call free_journal_ram and abort
** the mount
INIT_LIST_HEAD(&jl->j_working_list);
INIT_LIST_HEAD(&jl->j_tail_bh_list);
INIT_LIST_HEAD(&jl->j_bh_list);
- sema_init(&jl->j_commit_lock, 1);
+ mutex_init(&jl->j_commit_mutex);
SB_JOURNAL(s)->j_num_lists++;
get_journal_list(jl);
return jl;
}
-static void journal_list_init(struct super_block *p_s_sb)
+static void journal_list_init(struct super_block *sb)
{
- SB_JOURNAL(p_s_sb)->j_current_jl = alloc_journal_list(p_s_sb);
+ SB_JOURNAL(sb)->j_current_jl = alloc_journal_list(sb);
}
static int release_journal_dev(struct super_block *super,
result = 0;
- if (journal->j_dev_file != NULL) {
- result = filp_close(journal->j_dev_file, NULL);
- journal->j_dev_file = NULL;
- journal->j_dev_bd = NULL;
- } else if (journal->j_dev_bd != NULL) {
- result = blkdev_put(journal->j_dev_bd);
+ if (journal->j_dev_bd != NULL) {
+ if (journal->j_dev_bd->bd_dev != super->s_dev)
+ bd_release(journal->j_dev_bd);
+ result = blkdev_put(journal->j_dev_bd, journal->j_dev_mode);
journal->j_dev_bd = NULL;
}
if (result != 0) {
- reiserfs_warning(super,
- "sh-457: release_journal_dev: Cannot release journal device: %i",
- result);
+ reiserfs_warning(super, "sh-457",
+ "Cannot release journal device: %i", result);
}
return result;
}
{
int result;
dev_t jdev;
- int blkdev_mode = FMODE_READ | FMODE_WRITE;
+ fmode_t blkdev_mode = FMODE_READ | FMODE_WRITE;
char b[BDEVNAME_SIZE];
result = 0;
journal->j_dev_bd = NULL;
- journal->j_dev_file = NULL;
jdev = SB_ONDISK_JOURNAL_DEVICE(super) ?
new_decode_dev(SB_ONDISK_JOURNAL_DEVICE(super)) : super->s_dev;
/* there is no "jdev" option and journal is on separate device */
if ((!jdev_name || !jdev_name[0])) {
journal->j_dev_bd = open_by_devnum(jdev, blkdev_mode);
+ journal->j_dev_mode = blkdev_mode;
if (IS_ERR(journal->j_dev_bd)) {
result = PTR_ERR(journal->j_dev_bd);
journal->j_dev_bd = NULL;
- reiserfs_warning(super, "sh-458: journal_init_dev: "
+ reiserfs_warning(super, "sh-458",
"cannot init journal device '%s': %i",
__bdevname(jdev, b), result);
return result;
- } else if (jdev != super->s_dev)
+ } else if (jdev != super->s_dev) {
+ result = bd_claim(journal->j_dev_bd, journal);
+ if (result) {
+ blkdev_put(journal->j_dev_bd, blkdev_mode);
+ return result;
+ }
+
set_blocksize(journal->j_dev_bd, super->s_blocksize);
+ }
+
return 0;
}
- journal->j_dev_file = filp_open(jdev_name, 0, 0);
- if (!IS_ERR(journal->j_dev_file)) {
- struct inode *jdev_inode = journal->j_dev_file->f_mapping->host;
- if (!S_ISBLK(jdev_inode->i_mode)) {
- reiserfs_warning(super, "journal_init_dev: '%s' is "
- "not a block device", jdev_name);
- result = -ENOTBLK;
- release_journal_dev(super, journal);
- } else {
- /* ok */
- journal->j_dev_bd = I_BDEV(jdev_inode);
- set_blocksize(journal->j_dev_bd, super->s_blocksize);
- reiserfs_info(super,
- "journal_init_dev: journal device: %s\n",
- bdevname(journal->j_dev_bd, b));
- }
- } else {
- result = PTR_ERR(journal->j_dev_file);
- journal->j_dev_file = NULL;
+ journal->j_dev_mode = blkdev_mode;
+ journal->j_dev_bd = open_bdev_exclusive(jdev_name,
+ blkdev_mode, journal);
+ if (IS_ERR(journal->j_dev_bd)) {
+ result = PTR_ERR(journal->j_dev_bd);
+ journal->j_dev_bd = NULL;
reiserfs_warning(super,
"journal_init_dev: Cannot open '%s': %i",
jdev_name, result);
+ return result;
}
- return result;
+
+ set_blocksize(journal->j_dev_bd, super->s_blocksize);
+ reiserfs_info(super,
+ "journal_init_dev: journal device: %s\n",
+ bdevname(journal->j_dev_bd, b));
+ return 0;
}
/**
*/
#define REISERFS_STANDARD_BLKSIZE (4096)
-static int check_advise_trans_params(struct super_block *p_s_sb,
+static int check_advise_trans_params(struct super_block *sb,
struct reiserfs_journal *journal)
{
if (journal->j_trans_max) {
/* Non-default journal params.
Do sanity check for them. */
int ratio = 1;
- if (p_s_sb->s_blocksize < REISERFS_STANDARD_BLKSIZE)
- ratio = REISERFS_STANDARD_BLKSIZE / p_s_sb->s_blocksize;
+ if (sb->s_blocksize < REISERFS_STANDARD_BLKSIZE)
+ ratio = REISERFS_STANDARD_BLKSIZE / sb->s_blocksize;
if (journal->j_trans_max > JOURNAL_TRANS_MAX_DEFAULT / ratio ||
journal->j_trans_max < JOURNAL_TRANS_MIN_DEFAULT / ratio ||
- SB_ONDISK_JOURNAL_SIZE(p_s_sb) / journal->j_trans_max <
+ SB_ONDISK_JOURNAL_SIZE(sb) / journal->j_trans_max <
JOURNAL_MIN_RATIO) {
- reiserfs_warning(p_s_sb,
- "sh-462: bad transaction max size (%u). FSCK?",
- journal->j_trans_max);
+ reiserfs_warning(sb, "sh-462",
+ "bad transaction max size (%u). "
+ "FSCK?", journal->j_trans_max);
return 1;
}
if (journal->j_max_batch != (journal->j_trans_max) *
JOURNAL_MAX_BATCH_DEFAULT/JOURNAL_TRANS_MAX_DEFAULT) {
- reiserfs_warning(p_s_sb,
- "sh-463: bad transaction max batch (%u). FSCK?",
- journal->j_max_batch);
+ reiserfs_warning(sb, "sh-463",
+ "bad transaction max batch (%u). "
+ "FSCK?", journal->j_max_batch);
return 1;
}
} else {
The file system was created by old version
of mkreiserfs, so some fields contain zeros,
and we need to advise proper values for them */
- if (p_s_sb->s_blocksize != REISERFS_STANDARD_BLKSIZE)
- reiserfs_panic(p_s_sb, "sh-464: bad blocksize (%u)",
- p_s_sb->s_blocksize);
+ if (sb->s_blocksize != REISERFS_STANDARD_BLKSIZE) {
+ reiserfs_warning(sb, "sh-464", "bad blocksize (%u)",
+ sb->s_blocksize);
+ return 1;
+ }
journal->j_trans_max = JOURNAL_TRANS_MAX_DEFAULT;
journal->j_max_batch = JOURNAL_MAX_BATCH_DEFAULT;
journal->j_max_commit_age = JOURNAL_MAX_COMMIT_AGE;
/*
** must be called once on fs mount. calls journal_read for you
*/
-int journal_init(struct super_block *p_s_sb, const char *j_dev_name,
+int journal_init(struct super_block *sb, const char *j_dev_name,
int old_format, unsigned int commit_max_age)
{
- int num_cnodes = SB_ONDISK_JOURNAL_SIZE(p_s_sb) * 2;
+ int num_cnodes = SB_ONDISK_JOURNAL_SIZE(sb) * 2;
struct buffer_head *bhjh;
struct reiserfs_super_block *rs;
struct reiserfs_journal_header *jh;
struct reiserfs_journal_list *jl;
char b[BDEVNAME_SIZE];
- journal = SB_JOURNAL(p_s_sb) = vmalloc(sizeof(struct reiserfs_journal));
+ journal = SB_JOURNAL(sb) = vmalloc(sizeof(struct reiserfs_journal));
if (!journal) {
- reiserfs_warning(p_s_sb,
- "journal-1256: unable to get memory for journal structure");
+ reiserfs_warning(sb, "journal-1256",
+ "unable to get memory for journal structure");
return 1;
}
memset(journal, 0, sizeof(struct reiserfs_journal));
INIT_LIST_HEAD(&journal->j_working_list);
INIT_LIST_HEAD(&journal->j_journal_list);
journal->j_persistent_trans = 0;
- if (reiserfs_allocate_list_bitmaps(p_s_sb,
+ if (reiserfs_allocate_list_bitmaps(sb,
journal->j_list_bitmap,
- reiserfs_bmap_count(p_s_sb)))
+ reiserfs_bmap_count(sb)))
goto free_and_return;
- allocate_bitmap_nodes(p_s_sb);
+ allocate_bitmap_nodes(sb);
/* reserved for journal area support */
- SB_JOURNAL_1st_RESERVED_BLOCK(p_s_sb) = (old_format ?
+ SB_JOURNAL_1st_RESERVED_BLOCK(sb) = (old_format ?
REISERFS_OLD_DISK_OFFSET_IN_BYTES
- / p_s_sb->s_blocksize +
- reiserfs_bmap_count(p_s_sb) +
+ / sb->s_blocksize +
+ reiserfs_bmap_count(sb) +
1 :
REISERFS_DISK_OFFSET_IN_BYTES /
- p_s_sb->s_blocksize + 2);
+ sb->s_blocksize + 2);
/* Sanity check to see is the standard journal fitting withing first bitmap
(actual for small blocksizes) */
- if (!SB_ONDISK_JOURNAL_DEVICE(p_s_sb) &&
- (SB_JOURNAL_1st_RESERVED_BLOCK(p_s_sb) +
- SB_ONDISK_JOURNAL_SIZE(p_s_sb) > p_s_sb->s_blocksize * 8)) {
- reiserfs_warning(p_s_sb,
- "journal-1393: journal does not fit for area "
- "addressed by first of bitmap blocks. It starts at "
+ if (!SB_ONDISK_JOURNAL_DEVICE(sb) &&
+ (SB_JOURNAL_1st_RESERVED_BLOCK(sb) +
+ SB_ONDISK_JOURNAL_SIZE(sb) > sb->s_blocksize * 8)) {
+ reiserfs_warning(sb, "journal-1393",
+ "journal does not fit for area addressed "
+ "by first of bitmap blocks. It starts at "
"%u and its size is %u. Block size %ld",
- SB_JOURNAL_1st_RESERVED_BLOCK(p_s_sb),
- SB_ONDISK_JOURNAL_SIZE(p_s_sb),
- p_s_sb->s_blocksize);
+ SB_JOURNAL_1st_RESERVED_BLOCK(sb),
+ SB_ONDISK_JOURNAL_SIZE(sb),
+ sb->s_blocksize);
goto free_and_return;
}
- if (journal_init_dev(p_s_sb, journal, j_dev_name) != 0) {
- reiserfs_warning(p_s_sb,
- "sh-462: unable to initialize jornal device");
+ if (journal_init_dev(sb, journal, j_dev_name) != 0) {
+ reiserfs_warning(sb, "sh-462",
+ "unable to initialize jornal device");
goto free_and_return;
}
- rs = SB_DISK_SUPER_BLOCK(p_s_sb);
+ rs = SB_DISK_SUPER_BLOCK(sb);
/* read journal header */
- bhjh = journal_bread(p_s_sb,
- SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) +
- SB_ONDISK_JOURNAL_SIZE(p_s_sb));
+ bhjh = journal_bread(sb,
+ SB_ONDISK_JOURNAL_1st_BLOCK(sb) +
+ SB_ONDISK_JOURNAL_SIZE(sb));
if (!bhjh) {
- reiserfs_warning(p_s_sb,
- "sh-459: unable to read journal header");
+ reiserfs_warning(sb, "sh-459",
+ "unable to read journal header");
goto free_and_return;
}
jh = (struct reiserfs_journal_header *)(bhjh->b_data);
if (is_reiserfs_jr(rs)
&& (le32_to_cpu(jh->jh_journal.jp_journal_magic) !=
sb_jp_journal_magic(rs))) {
- reiserfs_warning(p_s_sb,
- "sh-460: journal header magic %x "
- "(device %s) does not match to magic found in super "
- "block %x", jh->jh_journal.jp_journal_magic,
+ reiserfs_warning(sb, "sh-460",
+ "journal header magic %x (device %s) does "
+ "not match to magic found in super block %x",
+ jh->jh_journal.jp_journal_magic,
bdevname(journal->j_dev_bd, b),
sb_jp_journal_magic(rs));
brelse(bhjh);
le32_to_cpu(jh->jh_journal.jp_journal_max_commit_age);
journal->j_max_trans_age = JOURNAL_MAX_TRANS_AGE;
- if (check_advise_trans_params(p_s_sb, journal) != 0)
+ if (check_advise_trans_params(sb, journal) != 0)
goto free_and_return;
journal->j_default_max_commit_age = journal->j_max_commit_age;
journal->j_max_trans_age = commit_max_age;
}
- reiserfs_info(p_s_sb, "journal params: device %s, size %u, "
+ reiserfs_info(sb, "journal params: device %s, size %u, "
"journal first block %u, max trans len %u, max batch %u, "
"max commit age %u, max trans age %u\n",
bdevname(journal->j_dev_bd, b),
- SB_ONDISK_JOURNAL_SIZE(p_s_sb),
- SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb),
+ SB_ONDISK_JOURNAL_SIZE(sb),
+ SB_ONDISK_JOURNAL_1st_BLOCK(sb),
journal->j_trans_max,
journal->j_max_batch,
journal->j_max_commit_age, journal->j_max_trans_age);
brelse(bhjh);
journal->j_list_bitmap_index = 0;
- journal_list_init(p_s_sb);
+ journal_list_init(sb);
memset(journal->j_list_hash_table, 0,
JOURNAL_HASH_SIZE * sizeof(struct reiserfs_journal_cnode *));
journal->j_last = NULL;
journal->j_first = NULL;
init_waitqueue_head(&(journal->j_join_wait));
- sema_init(&journal->j_lock, 1);
- sema_init(&journal->j_flush_sem, 1);
+ mutex_init(&journal->j_mutex);
+ mutex_init(&journal->j_flush_mutex);
journal->j_trans_id = 10;
journal->j_mount_id = 10;
journal->j_must_wait = 0;
if (journal->j_cnode_free == 0) {
- reiserfs_warning(p_s_sb, "journal-2004: Journal cnode memory "
+ reiserfs_warning(sb, "journal-2004", "Journal cnode memory "
"allocation failed (%ld bytes). Journal is "
"too large for available memory. Usually "
"this is due to a journal that is too large.",
goto free_and_return;
}
- init_journal_hash(p_s_sb);
+ init_journal_hash(sb);
jl = journal->j_current_jl;
- jl->j_list_bitmap = get_list_bitmap(p_s_sb, jl);
+ jl->j_list_bitmap = get_list_bitmap(sb, jl);
if (!jl->j_list_bitmap) {
- reiserfs_warning(p_s_sb,
- "journal-2005, get_list_bitmap failed for journal list 0");
+ reiserfs_warning(sb, "journal-2005",
+ "get_list_bitmap failed for journal list 0");
goto free_and_return;
}
- if (journal_read(p_s_sb) < 0) {
- reiserfs_warning(p_s_sb, "Replay Failure, unable to mount");
+ if (journal_read(sb) < 0) {
+ reiserfs_warning(sb, "reiserfs-2006",
+ "Replay Failure, unable to mount");
goto free_and_return;
}
commit_wq = create_workqueue("reiserfs");
INIT_DELAYED_WORK(&journal->j_work, flush_async_commits);
- journal->j_work_sb = p_s_sb;
+ journal->j_work_sb = sb;
return 0;
free_and_return:
- free_journal_ram(p_s_sb);
+ free_journal_ram(sb);
return 1;
}
return 0;
}
-/* this must be called inside a transaction, and requires the
+/* this must be called inside a transaction, and requires the
** kernel_lock to be held
*/
void reiserfs_block_writes(struct reiserfs_transaction_handle *th)
wake_up(&journal->j_join_wait);
}
-static void let_transaction_grow(struct super_block *sb, unsigned long trans_id)
+static void let_transaction_grow(struct super_block *sb, unsigned int trans_id)
{
struct reiserfs_journal *journal = SB_JOURNAL(sb);
unsigned long bcount = journal->j_bcount;
** expect to use in nblocks.
*/
static int do_journal_begin_r(struct reiserfs_transaction_handle *th,
- struct super_block *p_s_sb, unsigned long nblocks,
+ struct super_block *sb, unsigned long nblocks,
int join)
{
time_t now = get_seconds();
- int old_trans_id;
- struct reiserfs_journal *journal = SB_JOURNAL(p_s_sb);
+ unsigned int old_trans_id;
+ struct reiserfs_journal *journal = SB_JOURNAL(sb);
struct reiserfs_transaction_handle myth;
int sched_count = 0;
int retval;
- reiserfs_check_lock_depth(p_s_sb, "journal_begin");
+ reiserfs_check_lock_depth(sb, "journal_begin");
BUG_ON(nblocks > journal->j_trans_max);
- PROC_INFO_INC(p_s_sb, journal.journal_being);
+ PROC_INFO_INC(sb, journal.journal_being);
/* set here for journal_join */
th->t_refcount = 1;
- th->t_super = p_s_sb;
+ th->t_super = sb;
relock:
- lock_journal(p_s_sb);
+ lock_journal(sb);
if (join != JBEGIN_ABORT && reiserfs_is_journal_aborted(journal)) {
- unlock_journal(p_s_sb);
+ unlock_journal(sb);
retval = journal->j_errno;
goto out_fail;
}
journal->j_bcount++;
if (test_bit(J_WRITERS_BLOCKED, &journal->j_state)) {
- unlock_journal(p_s_sb);
- reiserfs_wait_on_write_block(p_s_sb);
- PROC_INFO_INC(p_s_sb, journal.journal_relock_writers);
+ unlock_journal(sb);
+ reiserfs_wait_on_write_block(sb);
+ PROC_INFO_INC(sb, journal.journal_relock_writers);
goto relock;
}
now = get_seconds();
/* if there is no room in the journal OR
- ** if this transaction is too old, and we weren't called joinable, wait for it to finish before beginning
+ ** if this transaction is too old, and we weren't called joinable, wait for it to finish before beginning
** we don't sleep if there aren't other writers
*/
|| (!join && journal->j_cnode_free < (journal->j_trans_max * 3))) {
old_trans_id = journal->j_trans_id;
- unlock_journal(p_s_sb); /* allow others to finish this transaction */
+ unlock_journal(sb); /* allow others to finish this transaction */
if (!join && (journal->j_len_alloc + nblocks + 2) >=
journal->j_max_batch &&
(journal->j_len_alloc * 75)) {
if (atomic_read(&journal->j_wcount) > 10) {
sched_count++;
- queue_log_writer(p_s_sb);
+ queue_log_writer(sb);
goto relock;
}
}
if (atomic_read(&journal->j_jlock)) {
while (journal->j_trans_id == old_trans_id &&
atomic_read(&journal->j_jlock)) {
- queue_log_writer(p_s_sb);
+ queue_log_writer(sb);
}
goto relock;
}
- retval = journal_join(&myth, p_s_sb, 1);
+ retval = journal_join(&myth, sb, 1);
if (retval)
goto out_fail;
/* someone might have ended the transaction while we joined */
if (old_trans_id != journal->j_trans_id) {
- retval = do_journal_end(&myth, p_s_sb, 1, 0);
+ retval = do_journal_end(&myth, sb, 1, 0);
} else {
- retval = do_journal_end(&myth, p_s_sb, 1, COMMIT_NOW);
+ retval = do_journal_end(&myth, sb, 1, COMMIT_NOW);
}
if (retval)
goto out_fail;
- PROC_INFO_INC(p_s_sb, journal.journal_relock_wcount);
+ PROC_INFO_INC(sb, journal.journal_relock_wcount);
goto relock;
}
/* we are the first writer, set trans_id */
th->t_blocks_logged = 0;
th->t_blocks_allocated = nblocks;
th->t_trans_id = journal->j_trans_id;
- unlock_journal(p_s_sb);
+ unlock_journal(sb);
INIT_LIST_HEAD(&th->t_list);
get_fs_excl();
return 0;
/* Re-set th->t_super, so we can properly keep track of how many
* persistent transactions there are. We need to do this so if this
* call is part of a failed restart_transaction, we can free it later */
- th->t_super = p_s_sb;
+ th->t_super = sb;
return retval;
}
}
static int journal_join(struct reiserfs_transaction_handle *th,
- struct super_block *p_s_sb, unsigned long nblocks)
+ struct super_block *sb, unsigned long nblocks)
{
struct reiserfs_transaction_handle *cur_th = current->journal_info;
*/
th->t_handle_save = cur_th;
BUG_ON(cur_th && cur_th->t_refcount > 1);
- return do_journal_begin_r(th, p_s_sb, nblocks, JBEGIN_JOIN);
+ return do_journal_begin_r(th, sb, nblocks, JBEGIN_JOIN);
}
int journal_join_abort(struct reiserfs_transaction_handle *th,
- struct super_block *p_s_sb, unsigned long nblocks)
+ struct super_block *sb, unsigned long nblocks)
{
struct reiserfs_transaction_handle *cur_th = current->journal_info;
*/
th->t_handle_save = cur_th;
BUG_ON(cur_th && cur_th->t_refcount > 1);
- return do_journal_begin_r(th, p_s_sb, nblocks, JBEGIN_ABORT);
+ return do_journal_begin_r(th, sb, nblocks, JBEGIN_ABORT);
}
int journal_begin(struct reiserfs_transaction_handle *th,
- struct super_block *p_s_sb, unsigned long nblocks)
+ struct super_block *sb, unsigned long nblocks)
{
struct reiserfs_transaction_handle *cur_th = current->journal_info;
int ret;
th->t_handle_save = NULL;
if (cur_th) {
/* we are nesting into the current transaction */
- if (cur_th->t_super == p_s_sb) {
+ if (cur_th->t_super == sb) {
BUG_ON(!cur_th->t_refcount);
cur_th->t_refcount++;
memcpy(th, cur_th, sizeof(*th));
if (th->t_refcount <= 1)
- reiserfs_warning(p_s_sb,
- "BAD: refcount <= 1, but journal_info != 0");
+ reiserfs_warning(sb, "reiserfs-2005",
+ "BAD: refcount <= 1, but "
+ "journal_info != 0");
return 0;
} else {
/* we've ended up with a handle from a different filesystem.
** save it and restore on journal_end. This should never
** really happen...
*/
- reiserfs_warning(p_s_sb,
- "clm-2100: nesting info a different FS");
+ reiserfs_warning(sb, "clm-2100",
+ "nesting info a different FS");
th->t_handle_save = current->journal_info;
current->journal_info = th;
}
} else {
current->journal_info = th;
}
- ret = do_journal_begin_r(th, p_s_sb, nblocks, JBEGIN_REG);
+ ret = do_journal_begin_r(th, sb, nblocks, JBEGIN_REG);
BUG_ON(current->journal_info != th);
/* I guess this boils down to being the reciprocal of clm-2100 above.
**
** if it was dirty, cleans and files onto the clean list. I can't let it be dirty again until the
** transaction is committed.
-**
+**
** if j_len, is bigger than j_len_alloc, it pushes j_len_alloc to 10 + j_len.
*/
int journal_mark_dirty(struct reiserfs_transaction_handle *th,
- struct super_block *p_s_sb, struct buffer_head *bh)
+ struct super_block *sb, struct buffer_head *bh)
{
- struct reiserfs_journal *journal = SB_JOURNAL(p_s_sb);
+ struct reiserfs_journal *journal = SB_JOURNAL(sb);
struct reiserfs_journal_cnode *cn = NULL;
int count_already_incd = 0;
int prepared = 0;
BUG_ON(!th->t_trans_id);
- PROC_INFO_INC(p_s_sb, journal.mark_dirty);
+ PROC_INFO_INC(sb, journal.mark_dirty);
if (th->t_trans_id != journal->j_trans_id) {
- reiserfs_panic(th->t_super,
- "journal-1577: handle trans id %ld != current trans id %ld\n",
+ reiserfs_panic(th->t_super, "journal-1577",
+ "handle trans id %ld != current trans id %ld",
th->t_trans_id, journal->j_trans_id);
}
- p_s_sb->s_dirt = 1;
+ sb->s_dirt = 1;
prepared = test_clear_buffer_journal_prepared(bh);
clear_buffer_journal_restore_dirty(bh);
/* already in this transaction, we are done */
if (buffer_journaled(bh)) {
- PROC_INFO_INC(p_s_sb, journal.mark_dirty_already);
+ PROC_INFO_INC(sb, journal.mark_dirty_already);
return 0;
}
** could get to disk too early. NOT GOOD.
*/
if (!prepared || buffer_dirty(bh)) {
- reiserfs_warning(p_s_sb, "journal-1777: buffer %llu bad state "
+ reiserfs_warning(sb, "journal-1777",
+ "buffer %llu bad state "
"%cPREPARED %cLOCKED %cDIRTY %cJDIRTY_WAIT",
(unsigned long long)bh->b_blocknr,
prepared ? ' ' : '!',
}
if (atomic_read(&(journal->j_wcount)) <= 0) {
- reiserfs_warning(p_s_sb,
- "journal-1409: journal_mark_dirty returning because j_wcount was %d",
+ reiserfs_warning(sb, "journal-1409",
+ "returning because j_wcount was %d",
atomic_read(&(journal->j_wcount)));
return 1;
}
- /* this error means I've screwed up, and we've overflowed the transaction.
+ /* this error means I've screwed up, and we've overflowed the transaction.
** Nothing can be done here, except make the FS readonly or panic.
*/
if (journal->j_len >= journal->j_trans_max) {
- reiserfs_panic(th->t_super,
- "journal-1413: journal_mark_dirty: j_len (%lu) is too big\n",
+ reiserfs_panic(th->t_super, "journal-1413",
+ "j_len (%lu) is too big",
journal->j_len);
}
if (buffer_journal_dirty(bh)) {
count_already_incd = 1;
- PROC_INFO_INC(p_s_sb, journal.mark_dirty_notjournal);
+ PROC_INFO_INC(sb, journal.mark_dirty_notjournal);
clear_buffer_journal_dirty(bh);
}
/* now put this guy on the end */
if (!cn) {
- cn = get_cnode(p_s_sb);
+ cn = get_cnode(sb);
if (!cn) {
- reiserfs_panic(p_s_sb, "get_cnode failed!\n");
+ reiserfs_panic(sb, "journal-4", "get_cnode failed!");
}
if (th->t_blocks_logged == th->t_blocks_allocated) {
cn->bh = bh;
cn->blocknr = bh->b_blocknr;
- cn->sb = p_s_sb;
+ cn->sb = sb;
cn->jlist = NULL;
insert_journal_hash(journal->j_hash_table, cn);
if (!count_already_incd) {
}
int journal_end(struct reiserfs_transaction_handle *th,
- struct super_block *p_s_sb, unsigned long nblocks)
+ struct super_block *sb, unsigned long nblocks)
{
if (!current->journal_info && th->t_refcount > 1)
- reiserfs_warning(p_s_sb, "REISER-NESTING: th NULL, refcount %d",
- th->t_refcount);
+ reiserfs_warning(sb, "REISER-NESTING",
+ "th NULL, refcount %d", th->t_refcount);
if (!th->t_trans_id) {
WARN_ON(1);
}
return 0;
} else {
- return do_journal_end(th, p_s_sb, nblocks, 0);
+ return do_journal_end(th, sb, nblocks, 0);
}
}
-/* removes from the current transaction, relsing and descrementing any counters.
+/* removes from the current transaction, relsing and descrementing any counters.
** also files the removed buffer directly onto the clean list
**
** called by journal_mark_freed when a block has been deleted
**
** returns 1 if it cleaned and relsed the buffer. 0 otherwise
*/
-static int remove_from_transaction(struct super_block *p_s_sb,
+static int remove_from_transaction(struct super_block *sb,
b_blocknr_t blocknr, int already_cleaned)
{
struct buffer_head *bh;
struct reiserfs_journal_cnode *cn;
- struct reiserfs_journal *journal = SB_JOURNAL(p_s_sb);
+ struct reiserfs_journal *journal = SB_JOURNAL(sb);
int ret = 0;
- cn = get_journal_hash_dev(p_s_sb, journal->j_hash_table, blocknr);
+ cn = get_journal_hash_dev(sb, journal->j_hash_table, blocknr);
if (!cn || !cn->bh) {
return ret;
}
journal->j_last = cn->prev;
}
if (bh)
- remove_journal_hash(p_s_sb, journal->j_hash_table, NULL,
+ remove_journal_hash(sb, journal->j_hash_table, NULL,
bh->b_blocknr, 0);
clear_buffer_journaled(bh); /* don't log this one */
clear_buffer_journal_test(bh);
put_bh(bh);
if (atomic_read(&(bh->b_count)) < 0) {
- reiserfs_warning(p_s_sb,
- "journal-1752: remove from trans, b_count < 0");
+ reiserfs_warning(sb, "journal-1752",
+ "b_count < 0");
}
ret = 1;
}
journal->j_len--;
journal->j_len_alloc--;
- free_cnode(p_s_sb, cn);
+ free_cnode(sb, cn);
return ret;
}
}
/* syncs the commit blocks, but does not force the real buffers to disk
-** will wait until the current transaction is done/committed before returning
+** will wait until the current transaction is done/committed before returning
*/
int journal_end_sync(struct reiserfs_transaction_handle *th,
- struct super_block *p_s_sb, unsigned long nblocks)
+ struct super_block *sb, unsigned long nblocks)
{
- struct reiserfs_journal *journal = SB_JOURNAL(p_s_sb);
+ struct reiserfs_journal *journal = SB_JOURNAL(sb);
BUG_ON(!th->t_trans_id);
/* you can sync while nested, very, very bad */
BUG_ON(th->t_refcount > 1);
if (journal->j_len == 0) {
- reiserfs_prepare_for_journal(p_s_sb, SB_BUFFER_WITH_SB(p_s_sb),
+ reiserfs_prepare_for_journal(sb, SB_BUFFER_WITH_SB(sb),
1);
- journal_mark_dirty(th, p_s_sb, SB_BUFFER_WITH_SB(p_s_sb));
+ journal_mark_dirty(th, sb, SB_BUFFER_WITH_SB(sb));
}
- return do_journal_end(th, p_s_sb, nblocks, COMMIT_NOW | WAIT);
+ return do_journal_end(th, sb, nblocks, COMMIT_NOW | WAIT);
}
/*
{
struct reiserfs_journal *journal =
container_of(work, struct reiserfs_journal, j_work.work);
- struct super_block *p_s_sb = journal->j_work_sb;
+ struct super_block *sb = journal->j_work_sb;
struct reiserfs_journal_list *jl;
struct list_head *entry;
/* last entry is the youngest, commit it and you get everything */
entry = journal->j_journal_list.prev;
jl = JOURNAL_LIST_ENTRY(entry);
- flush_commit_list(p_s_sb, jl, 1);
+ flush_commit_list(sb, jl, 1);
}
unlock_kernel();
}
** flushes any old transactions to disk
** ends the current transaction if it is too old
*/
-int reiserfs_flush_old_commits(struct super_block *p_s_sb)
+int reiserfs_flush_old_commits(struct super_block *sb)
{
time_t now;
struct reiserfs_transaction_handle th;
- struct reiserfs_journal *journal = SB_JOURNAL(p_s_sb);
+ struct reiserfs_journal *journal = SB_JOURNAL(sb);
now = get_seconds();
/* safety check so we don't flush while we are replaying the log during
journal->j_trans_start_time > 0 &&
journal->j_len > 0 &&
(now - journal->j_trans_start_time) > journal->j_max_trans_age) {
- if (!journal_join(&th, p_s_sb, 1)) {
- reiserfs_prepare_for_journal(p_s_sb,
- SB_BUFFER_WITH_SB(p_s_sb),
+ if (!journal_join(&th, sb, 1)) {
+ reiserfs_prepare_for_journal(sb,
+ SB_BUFFER_WITH_SB(sb),
1);
- journal_mark_dirty(&th, p_s_sb,
- SB_BUFFER_WITH_SB(p_s_sb));
+ journal_mark_dirty(&th, sb,
+ SB_BUFFER_WITH_SB(sb));
/* we're only being called from kreiserfsd, it makes no sense to do
** an async commit so that kreiserfsd can do it later
*/
- do_journal_end(&th, p_s_sb, 1, COMMIT_NOW | WAIT);
+ do_journal_end(&th, sb, 1, COMMIT_NOW | WAIT);
}
}
- return p_s_sb->s_dirt;
+ return sb->s_dirt;
}
/*
** returns 0 if do_journal_end should return right away, returns 1 if do_journal_end should finish the commit
-**
-** if the current transaction is too old, but still has writers, this will wait on j_join_wait until all
+**
+** if the current transaction is too old, but still has writers, this will wait on j_join_wait until all
** the writers are done. By the time it wakes up, the transaction it was called has already ended, so it just
** flushes the commit list and returns 0.
**
** Won't batch when flush or commit_now is set. Also won't batch when others are waiting on j_join_wait.
-**
+**
** Note, we can't allow the journal_end to proceed while there are still writers in the log.
*/
static int check_journal_end(struct reiserfs_transaction_handle *th,
- struct super_block *p_s_sb, unsigned long nblocks,
+ struct super_block *sb, unsigned long nblocks,
int flags)
{
int commit_now = flags & COMMIT_NOW;
int wait_on_commit = flags & WAIT;
struct reiserfs_journal_list *jl;
- struct reiserfs_journal *journal = SB_JOURNAL(p_s_sb);
+ struct reiserfs_journal *journal = SB_JOURNAL(sb);
BUG_ON(!th->t_trans_id);
if (th->t_trans_id != journal->j_trans_id) {
- reiserfs_panic(th->t_super,
- "journal-1577: handle trans id %ld != current trans id %ld\n",
+ reiserfs_panic(th->t_super, "journal-1577",
+ "handle trans id %ld != current trans id %ld",
th->t_trans_id, journal->j_trans_id);
}
atomic_dec(&(journal->j_wcount));
}
- /* BUG, deal with case where j_len is 0, but people previously freed blocks need to be released
+ /* BUG, deal with case where j_len is 0, but people previously freed blocks need to be released
** will be dealt with by next transaction that actually writes something, but should be taken
** care of in this trans
*/
/* if wcount > 0, and we are called to with flush or commit_now,
** we wait on j_join_wait. We will wake up when the last writer has
** finished the transaction, and started it on its way to the disk.
- ** Then, we flush the commit or journal list, and just return 0
+ ** Then, we flush the commit or journal list, and just return 0
** because the rest of journal end was already done for this transaction.
*/
if (atomic_read(&(journal->j_wcount)) > 0) {
if (flush) {
journal->j_next_full_flush = 1;
}
- unlock_journal(p_s_sb);
+ unlock_journal(sb);
/* sleep while the current transaction is still j_jlocked */
while (journal->j_trans_id == trans_id) {
if (atomic_read(&journal->j_jlock)) {
- queue_log_writer(p_s_sb);
+ queue_log_writer(sb);
} else {
- lock_journal(p_s_sb);
+ lock_journal(sb);
if (journal->j_trans_id == trans_id) {
atomic_set(&(journal->j_jlock),
1);
}
- unlock_journal(p_s_sb);
+ unlock_journal(sb);
}
}
BUG_ON(journal->j_trans_id == trans_id);
if (commit_now
- && journal_list_still_alive(p_s_sb, trans_id)
+ && journal_list_still_alive(sb, trans_id)
&& wait_on_commit) {
- flush_commit_list(p_s_sb, jl, 1);
+ flush_commit_list(sb, jl, 1);
}
return 0;
}
- unlock_journal(p_s_sb);
+ unlock_journal(sb);
return 0;
}
&& journal->j_len_alloc < journal->j_max_batch
&& journal->j_cnode_free > (journal->j_trans_max * 3)) {
journal->j_bcount++;
- unlock_journal(p_s_sb);
+ unlock_journal(sb);
return 0;
}
- if (journal->j_start > SB_ONDISK_JOURNAL_SIZE(p_s_sb)) {
- reiserfs_panic(p_s_sb,
- "journal-003: journal_end: j_start (%ld) is too high\n",
+ if (journal->j_start > SB_ONDISK_JOURNAL_SIZE(sb)) {
+ reiserfs_panic(sb, "journal-003",
+ "j_start (%ld) is too high",
journal->j_start);
}
return 1;
/*
** Does all the work that makes deleting blocks safe.
** when deleting a block mark BH_JNew, just remove it from the current transaction, clean it's buffer_head and move on.
-**
+**
** otherwise:
** set a bit for the block in the journal bitmap. That will prevent it from being allocated for unformatted nodes
** before this transaction has finished.
** Then remove it from the current transaction, decrementing any counters and filing it on the clean list.
*/
int journal_mark_freed(struct reiserfs_transaction_handle *th,
- struct super_block *p_s_sb, b_blocknr_t blocknr)
+ struct super_block *sb, b_blocknr_t blocknr)
{
- struct reiserfs_journal *journal = SB_JOURNAL(p_s_sb);
+ struct reiserfs_journal *journal = SB_JOURNAL(sb);
struct reiserfs_journal_cnode *cn = NULL;
struct buffer_head *bh = NULL;
struct reiserfs_list_bitmap *jb = NULL;
int cleaned = 0;
BUG_ON(!th->t_trans_id);
- cn = get_journal_hash_dev(p_s_sb, journal->j_hash_table, blocknr);
+ cn = get_journal_hash_dev(sb, journal->j_hash_table, blocknr);
if (cn && cn->bh) {
bh = cn->bh;
get_bh(bh);
clear_buffer_journal_new(bh);
clear_prepared_bits(bh);
reiserfs_clean_and_file_buffer(bh);
- cleaned = remove_from_transaction(p_s_sb, blocknr, cleaned);
+ cleaned = remove_from_transaction(sb, blocknr, cleaned);
} else {
/* set the bit for this block in the journal bitmap for this transaction */
jb = journal->j_current_jl->j_list_bitmap;
if (!jb) {
- reiserfs_panic(p_s_sb,
- "journal-1702: journal_mark_freed, journal_list_bitmap is NULL\n");
+ reiserfs_panic(sb, "journal-1702",
+ "journal_list_bitmap is NULL");
}
- set_bit_in_list_bitmap(p_s_sb, blocknr, jb);
+ set_bit_in_list_bitmap(sb, blocknr, jb);
/* Note, the entire while loop is not allowed to schedule. */
clear_prepared_bits(bh);
reiserfs_clean_and_file_buffer(bh);
}
- cleaned = remove_from_transaction(p_s_sb, blocknr, cleaned);
+ cleaned = remove_from_transaction(sb, blocknr, cleaned);
/* find all older transactions with this block, make sure they don't try to write it out */
- cn = get_journal_hash_dev(p_s_sb, journal->j_list_hash_table,
+ cn = get_journal_hash_dev(sb, journal->j_list_hash_table,
blocknr);
while (cn) {
- if (p_s_sb == cn->sb && blocknr == cn->blocknr) {
+ if (sb == cn->sb && blocknr == cn->blocknr) {
set_bit(BLOCK_FREED, &cn->state);
if (cn->bh) {
if (!cleaned) {
put_bh(cn->bh);
if (atomic_read
(&(cn->bh->b_count)) < 0) {
- reiserfs_warning(p_s_sb,
- "journal-2138: cn->bh->b_count < 0");
+ reiserfs_warning(sb,
+ "journal-2138",
+ "cn->bh->b_count < 0");
}
}
if (cn->jlist) { /* since we are clearing the bh, we MUST dec nonzerolen */
int reiserfs_commit_for_inode(struct inode *inode)
{
- unsigned long id = REISERFS_I(inode)->i_trans_id;
+ unsigned int id = REISERFS_I(inode)->i_trans_id;
struct reiserfs_journal_list *jl = REISERFS_I(inode)->i_jl;
/* for the whole inode, assume unset id means it was
return __commit_trans_jl(inode, id, jl);
}
-void reiserfs_restore_prepared_buffer(struct super_block *p_s_sb,
+void reiserfs_restore_prepared_buffer(struct super_block *sb,
struct buffer_head *bh)
{
- struct reiserfs_journal *journal = SB_JOURNAL(p_s_sb);
- PROC_INFO_INC(p_s_sb, journal.restore_prepared);
+ struct reiserfs_journal *journal = SB_JOURNAL(sb);
+ PROC_INFO_INC(sb, journal.restore_prepared);
if (!bh) {
return;
}
if (test_clear_buffer_journal_restore_dirty(bh) &&
buffer_journal_dirty(bh)) {
struct reiserfs_journal_cnode *cn;
- cn = get_journal_hash_dev(p_s_sb,
+ cn = get_journal_hash_dev(sb,
journal->j_list_hash_table,
bh->b_blocknr);
if (cn && can_dirty(cn)) {
** be written to disk while we are altering it. So, we must:
** clean it
** wait on it.
-**
+**
*/
-int reiserfs_prepare_for_journal(struct super_block *p_s_sb,
+int reiserfs_prepare_for_journal(struct super_block *sb,
struct buffer_head *bh, int wait)
{
- PROC_INFO_INC(p_s_sb, journal.prepare);
+ PROC_INFO_INC(sb, journal.prepare);
- if (test_set_buffer_locked(bh)) {
+ if (!trylock_buffer(bh)) {
if (!wait)
return 0;
lock_buffer(bh);
}
}
-/*
+/*
** long and ugly. If flush, will not return until all commit
** blocks and all real buffers in the trans are on disk.
** If no_async, won't return until all commit blocks are on disk.
** journal lists, etc just won't happen.
*/
static int do_journal_end(struct reiserfs_transaction_handle *th,
- struct super_block *p_s_sb, unsigned long nblocks,
+ struct super_block *sb, unsigned long nblocks,
int flags)
{
- struct reiserfs_journal *journal = SB_JOURNAL(p_s_sb);
+ struct reiserfs_journal *journal = SB_JOURNAL(sb);
struct reiserfs_journal_cnode *cn, *next, *jl_cn;
struct reiserfs_journal_cnode *last_cn = NULL;
struct reiserfs_journal_desc *desc;
struct reiserfs_journal_list *jl, *temp_jl;
struct list_head *entry, *safe;
unsigned long jindex;
- unsigned long commit_trans_id;
+ unsigned int commit_trans_id;
int trans_half;
BUG_ON(th->t_refcount > 1);
/* protect flush_older_commits from doing mistakes if the
transaction ID counter gets overflowed. */
- if (th->t_trans_id == ~0UL)
+ if (th->t_trans_id == ~0U)
flags |= FLUSH_ALL | COMMIT_NOW | WAIT;
flush = flags & FLUSH_ALL;
wait_on_commit = flags & WAIT;
put_fs_excl();
current->journal_info = th->t_handle_save;
- reiserfs_check_lock_depth(p_s_sb, "journal end");
+ reiserfs_check_lock_depth(sb, "journal end");
if (journal->j_len == 0) {
- reiserfs_prepare_for_journal(p_s_sb, SB_BUFFER_WITH_SB(p_s_sb),
+ reiserfs_prepare_for_journal(sb, SB_BUFFER_WITH_SB(sb),
1);
- journal_mark_dirty(th, p_s_sb, SB_BUFFER_WITH_SB(p_s_sb));
+ journal_mark_dirty(th, sb, SB_BUFFER_WITH_SB(sb));
}
- lock_journal(p_s_sb);
+ lock_journal(sb);
if (journal->j_next_full_flush) {
flags |= FLUSH_ALL;
flush = 1;
wait_on_commit = 1;
}
- /* check_journal_end locks the journal, and unlocks if it does not return 1
+ /* check_journal_end locks the journal, and unlocks if it does not return 1
** it tells us if we should continue with the journal_end, or just return
*/
- if (!check_journal_end(th, p_s_sb, nblocks, flags)) {
- p_s_sb->s_dirt = 1;
- wake_queued_writers(p_s_sb);
- reiserfs_async_progress_wait(p_s_sb);
+ if (!check_journal_end(th, sb, nblocks, flags)) {
+ sb->s_dirt = 1;
+ wake_queued_writers(sb);
+ reiserfs_async_progress_wait(sb);
goto out;
}
/* setup description block */
d_bh =
- journal_getblk(p_s_sb,
- SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) +
+ journal_getblk(sb,
+ SB_ONDISK_JOURNAL_1st_BLOCK(sb) +
journal->j_start);
set_buffer_uptodate(d_bh);
desc = (struct reiserfs_journal_desc *)(d_bh)->b_data;
set_desc_trans_id(desc, journal->j_trans_id);
/* setup commit block. Don't write (keep it clean too) this one until after everyone else is written */
- c_bh = journal_getblk(p_s_sb, SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) +
+ c_bh = journal_getblk(sb, SB_ONDISK_JOURNAL_1st_BLOCK(sb) +
((journal->j_start + journal->j_len +
- 1) % SB_ONDISK_JOURNAL_SIZE(p_s_sb)));
+ 1) % SB_ONDISK_JOURNAL_SIZE(sb)));
commit = (struct reiserfs_journal_commit *)c_bh->b_data;
memset(c_bh->b_data, 0, c_bh->b_size);
set_commit_trans_id(commit, journal->j_trans_id);
* the new transaction is fully setup, and we've already flushed the
* ordered bh list
*/
- down(&jl->j_commit_lock);
+ mutex_lock(&jl->j_commit_mutex);
/* save the transaction id in case we need to commit it later */
commit_trans_id = jl->j_trans_id;
** for each real block, add it to the journal list hash,
** copy into real block index array in the commit or desc block
*/
- trans_half = journal_trans_half(p_s_sb->s_blocksize);
+ trans_half = journal_trans_half(sb->s_blocksize);
for (i = 0, cn = journal->j_first; cn; cn = cn->next, i++) {
if (buffer_journaled(cn->bh)) {
- jl_cn = get_cnode(p_s_sb);
+ jl_cn = get_cnode(sb);
if (!jl_cn) {
- reiserfs_panic(p_s_sb,
- "journal-1676, get_cnode returned NULL\n");
+ reiserfs_panic(sb, "journal-1676",
+ "get_cnode returned NULL");
}
if (i == 0) {
jl->j_realblock = jl_cn;
last_cn->next = jl_cn;
}
last_cn = jl_cn;
- /* make sure the block we are trying to log is not a block
+ /* make sure the block we are trying to log is not a block
of journal or reserved area */
if (is_block_in_log_or_reserved_area
- (p_s_sb, cn->bh->b_blocknr)) {
- reiserfs_panic(p_s_sb,
- "journal-2332: Trying to log block %lu, which is a log block\n",
+ (sb, cn->bh->b_blocknr)) {
+ reiserfs_panic(sb, "journal-2332",
+ "Trying to log block %lu, "
+ "which is a log block",
cn->bh->b_blocknr);
}
jl_cn->blocknr = cn->bh->b_blocknr;
jl_cn->state = 0;
- jl_cn->sb = p_s_sb;
+ jl_cn->sb = sb;
jl_cn->bh = cn->bh;
jl_cn->jlist = jl;
insert_journal_hash(journal->j_list_hash_table, jl_cn);
char *addr;
struct page *page;
tmp_bh =
- journal_getblk(p_s_sb,
- SB_ONDISK_JOURNAL_1st_BLOCK(p_s_sb) +
+ journal_getblk(sb,
+ SB_ONDISK_JOURNAL_1st_BLOCK(sb) +
((cur_write_start +
jindex) %
- SB_ONDISK_JOURNAL_SIZE(p_s_sb)));
+ SB_ONDISK_JOURNAL_SIZE(sb)));
set_buffer_uptodate(tmp_bh);
page = cn->bh->b_page;
addr = kmap(page);
clear_buffer_journaled(cn->bh);
} else {
/* JDirty cleared sometime during transaction. don't log this one */
- reiserfs_warning(p_s_sb,
- "journal-2048: do_journal_end: BAD, buffer in journal hash, but not JDirty!");
+ reiserfs_warning(sb, "journal-2048",
+ "BAD, buffer in journal hash, "
+ "but not JDirty!");
brelse(cn->bh);
}
next = cn->next;
- free_cnode(p_s_sb, cn);
+ free_cnode(sb, cn);
cn = next;
cond_resched();
}
** so we dirty/relse c_bh in flush_commit_list, with commit_left <= 1.
*/
- journal->j_current_jl = alloc_journal_list(p_s_sb);
+ journal->j_current_jl = alloc_journal_list(sb);
/* now it is safe to insert this transaction on the main list */
list_add_tail(&jl->j_list, &journal->j_journal_list);
old_start = journal->j_start;
journal->j_start =
(journal->j_start + journal->j_len +
- 2) % SB_ONDISK_JOURNAL_SIZE(p_s_sb);
+ 2) % SB_ONDISK_JOURNAL_SIZE(sb);
atomic_set(&(journal->j_wcount), 0);
journal->j_bcount = 0;
journal->j_last = NULL;
journal->j_len_alloc = 0;
journal->j_next_full_flush = 0;
journal->j_next_async_flush = 0;
- init_journal_hash(p_s_sb);
+ init_journal_hash(sb);
// make sure reiserfs_add_jh sees the new current_jl before we
// write out the tails
lock_kernel();
}
BUG_ON(!list_empty(&jl->j_tail_bh_list));
- up(&jl->j_commit_lock);
+ mutex_unlock(&jl->j_commit_mutex);
/* honor the flush wishes from the caller, simple commits can
** be done outside the journal lock, they are done below
** queue don't wait for this proc to flush journal lists and such.
*/
if (flush) {
- flush_commit_list(p_s_sb, jl, 1);
- flush_journal_list(p_s_sb, jl, 1);
+ flush_commit_list(sb, jl, 1);
+ flush_journal_list(sb, jl, 1);
} else if (!(jl->j_state & LIST_COMMIT_PENDING))
queue_delayed_work(commit_wq, &journal->j_work, HZ / 10);
- /* if the next transaction has any chance of wrapping, flush
- ** transactions that might get overwritten. If any journal lists are very
- ** old flush them as well.
+ /* if the next transaction has any chance of wrapping, flush
+ ** transactions that might get overwritten. If any journal lists are very
+ ** old flush them as well.
*/
first_jl:
list_for_each_safe(entry, safe, &journal->j_journal_list) {
if (journal->j_start <= temp_jl->j_start) {
if ((journal->j_start + journal->j_trans_max + 1) >=
temp_jl->j_start) {
- flush_used_journal_lists(p_s_sb, temp_jl);
+ flush_used_journal_lists(sb, temp_jl);
goto first_jl;
} else if ((journal->j_start +
journal->j_trans_max + 1) <
- SB_ONDISK_JOURNAL_SIZE(p_s_sb)) {
+ SB_ONDISK_JOURNAL_SIZE(sb)) {
/* if we don't cross into the next transaction and we don't
* wrap, there is no way we can overlap any later transactions
* break now
}
} else if ((journal->j_start +
journal->j_trans_max + 1) >
- SB_ONDISK_JOURNAL_SIZE(p_s_sb)) {
+ SB_ONDISK_JOURNAL_SIZE(sb)) {
if (((journal->j_start + journal->j_trans_max + 1) %
- SB_ONDISK_JOURNAL_SIZE(p_s_sb)) >=
+ SB_ONDISK_JOURNAL_SIZE(sb)) >=
temp_jl->j_start) {
- flush_used_journal_lists(p_s_sb, temp_jl);
+ flush_used_journal_lists(sb, temp_jl);
goto first_jl;
} else {
/* we don't overlap anything from out start to the end of the
}
}
}
- flush_old_journal_lists(p_s_sb);
+ flush_old_journal_lists(sb);
journal->j_current_jl->j_list_bitmap =
- get_list_bitmap(p_s_sb, journal->j_current_jl);
+ get_list_bitmap(sb, journal->j_current_jl);
if (!(journal->j_current_jl->j_list_bitmap)) {
- reiserfs_panic(p_s_sb,
- "journal-1996: do_journal_end, could not get a list bitmap\n");
+ reiserfs_panic(sb, "journal-1996",
+ "could not get a list bitmap");
}
atomic_set(&(journal->j_jlock), 0);
- unlock_journal(p_s_sb);
+ unlock_journal(sb);
/* wake up any body waiting to join. */
clear_bit(J_WRITERS_QUEUED, &journal->j_state);
wake_up(&(journal->j_join_wait));
if (!flush && wait_on_commit &&
- journal_list_still_alive(p_s_sb, commit_trans_id)) {
- flush_commit_list(p_s_sb, jl, 1);
+ journal_list_still_alive(sb, commit_trans_id)) {
+ flush_commit_list(sb, jl, 1);
}
out:
- reiserfs_check_lock_depth(p_s_sb, "journal end2");
+ reiserfs_check_lock_depth(sb, "journal end2");
memset(th, 0, sizeof(*th));
/* Re-set th->t_super, so we can properly keep track of how many
* persistent transactions there are. We need to do this so if this
* call is part of a failed restart_transaction, we can free it later */
- th->t_super = p_s_sb;
+ th->t_super = sb;
return journal->j_errno;
}
-static void __reiserfs_journal_abort_hard(struct super_block *sb)
+/* Send the file system read only and refuse new transactions */
+void reiserfs_abort_journal(struct super_block *sb, int errno)
{
struct reiserfs_journal *journal = SB_JOURNAL(sb);
if (test_bit(J_ABORTED, &journal->j_state))
return;
- printk(KERN_CRIT "REISERFS: Aborting journal for filesystem on %s\n",
- reiserfs_bdevname(sb));
+ if (!journal->j_errno)
+ journal->j_errno = errno;
sb->s_flags |= MS_RDONLY;
set_bit(J_ABORTED, &journal->j_state);
#endif
}
-static void __reiserfs_journal_abort_soft(struct super_block *sb, int errno)
-{
- struct reiserfs_journal *journal = SB_JOURNAL(sb);
- if (test_bit(J_ABORTED, &journal->j_state))
- return;
-
- if (!journal->j_errno)
- journal->j_errno = errno;
-
- __reiserfs_journal_abort_hard(sb);
-}
-
-void reiserfs_journal_abort(struct super_block *sb, int errno)
-{
- __reiserfs_journal_abort_soft(sb, errno);
-}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff