#include <linux/smp_lock.h>
#include <linux/pagemap.h>
#include <linux/highmem.h>
+#include <linux/slab.h>
#include <asm/uaccess.h>
#include <asm/unaligned.h>
#include <linux/buffer_head.h>
JOURNAL_PER_BALANCE_CNT * 2 +
2 * REISERFS_QUOTA_INIT_BLOCKS(inode->i_sb);
struct reiserfs_transaction_handle th;
+ int depth;
int err;
+ if (!is_bad_inode(inode))
+ dquot_initialize(inode);
+
truncate_inode_pages(&inode->i_data, 0);
- reiserfs_write_lock(inode->i_sb);
+ depth = reiserfs_write_lock_once(inode->i_sb);
/* The = 0 happens when we abort creating a new inode for some reason like lack of space.. */
if (!(inode->i_state & I_NEW) && INODE_PKEY(inode)->k_objectid != 0) { /* also handles bad_inode case */
* after delete_object so that quota updates go into the same transaction as
* stat data deletion */
if (!err)
- DQUOT_FREE_INODE(inode);
+ dquot_free_inode(inode);
if (journal_end(&th, inode->i_sb, jbegin_count))
goto out;
out:
clear_inode(inode); /* note this must go after the journal_end to prevent deadlock */
inode->i_blocks = 0;
- reiserfs_write_unlock(inode->i_sb);
+ reiserfs_write_unlock_once(inode->i_sb, depth);
}
static void _make_cpu_key(struct cpu_key *key, int version, __u32 dirid,
struct cpu_key key;
struct buffer_head *bh;
struct item_head *ih, tmp_ih;
- int fs_gen;
b_blocknr_t blocknr;
char *p = NULL;
int chars;
(loff_t) block * inode->i_sb->s_blocksize + 1, TYPE_ANY,
3);
- research:
result = search_for_position_by_key(inode->i_sb, &key, &path);
if (result != POSITION_FOUND) {
pathrelse(&path);
}
// read file tail into part of page
offset = (cpu_key_k_offset(&key) - 1) & (PAGE_CACHE_SIZE - 1);
- fs_gen = get_generation(inode->i_sb);
copy_item_head(&tmp_ih, ih);
/* we only want to kmap if we are reading the tail into the page.
** sure we need to. But, this means the item might move if
** kmap schedules
*/
- if (!p) {
+ if (!p)
p = (char *)kmap(bh_result->b_page);
- if (fs_changed(fs_gen, inode->i_sb)
- && item_moved(&tmp_ih, &path)) {
- goto research;
- }
- }
+
p += offset;
memset(p, 0, inode->i_sb->s_blocksize);
do {
}
/* make sure we don't read more bytes than actually exist in
** the file. This can happen in odd cases where i_size isn't
- ** correct, and when direct item padding results in a few
+ ** correct, and when direct item padding results in a few
** extra bytes at the end of the direct item
*/
if ((le_ih_k_offset(ih) + path.pos_in_item) > inode->i_size)
** -ENOENT instead of a valid buffer. block_prepare_write expects to
** be able to do i/o on the buffers returned, unless an error value
** is also returned.
-**
+**
** So, this allows block_prepare_write to be used for reading a single block
** in a page. Where it does not produce a valid page for holes, or past the
** end of the file. This turns out to be exactly what we need for reading
** tails for conversion.
**
** The point of the wrapper is forcing a certain value for create, even
-** though the VFS layer is calling this function with create==1. If you
-** don't want to send create == GET_BLOCK_NO_HOLE to reiserfs_get_block,
+** though the VFS layer is calling this function with create==1. If you
+** don't want to send create == GET_BLOCK_NO_HOLE to reiserfs_get_block,
** don't use this function.
*/
static int reiserfs_get_block_create_0(struct inode *inode, sector_t block,
disappeared */
if (REISERFS_I(inode)->i_flags & i_pack_on_close_mask) {
int err;
- lock_kernel();
+
+ reiserfs_write_lock(inode->i_sb);
+
err = reiserfs_commit_for_inode(inode);
REISERFS_I(inode)->i_flags &= ~i_pack_on_close_mask;
- unlock_kernel();
+
+ reiserfs_write_unlock(inode->i_sb);
+
if (err < 0)
ret = err;
}
__le32 *item;
int done;
int fs_gen;
+ int lock_depth;
struct reiserfs_transaction_handle *th = NULL;
- /* space reserved in transaction batch:
+ /* space reserved in transaction batch:
. 3 balancings in direct->indirect conversion
. 1 block involved into reiserfs_update_sd()
XXX in practically impossible worst case direct2indirect()
loff_t new_offset =
(((loff_t) block) << inode->i_sb->s_blocksize_bits) + 1;
- /* bad.... */
- reiserfs_write_lock(inode->i_sb);
+ lock_depth = reiserfs_write_lock_once(inode->i_sb);
version = get_inode_item_key_version(inode);
if (!file_capable(inode, block)) {
- reiserfs_write_unlock(inode->i_sb);
+ reiserfs_write_unlock_once(inode->i_sb, lock_depth);
return -EFBIG;
}
/* find number of block-th logical block of the file */
ret = _get_block_create_0(inode, block, bh_result,
create | GET_BLOCK_READ_DIRECT);
- reiserfs_write_unlock(inode->i_sb);
+ reiserfs_write_unlock_once(inode->i_sb, lock_depth);
return ret;
}
/*
if (!dangle && th)
retval = reiserfs_end_persistent_transaction(th);
- reiserfs_write_unlock(inode->i_sb);
+ reiserfs_write_unlock_once(inode->i_sb, lock_depth);
/* the item was found, so new blocks were not added to the file
- ** there is no need to make sure the inode is updated with this
+ ** there is no need to make sure the inode is updated with this
** transaction
*/
return retval;
if (blocks_needed == 1) {
un = &unf_single;
} else {
- un = kzalloc(min(blocks_needed, max_to_insert) * UNFM_P_SIZE, GFP_ATOMIC); // We need to avoid scheduling.
+ un = kzalloc(min(blocks_needed, max_to_insert) * UNFM_P_SIZE, GFP_NOFS);
if (!un) {
un = &unf_single;
blocks_needed = 1;
/* this loop could log more blocks than we had originally asked
** for. So, we have to allow the transaction to end if it is
- ** too big or too full. Update the inode so things are
+ ** too big or too full. Update the inode so things are
** consistent if we crash before the function returns
**
** release the path so that anybody waiting on the path before
if (retval)
goto failure;
}
- /* inserting indirect pointers for a hole can take a
- ** long time. reschedule if needed
+ /*
+ * inserting indirect pointers for a hole can take a
+ * long time. reschedule if needed and also release the write
+ * lock for others.
*/
- cond_resched();
+ if (need_resched()) {
+ reiserfs_write_unlock_once(inode->i_sb, lock_depth);
+ schedule();
+ lock_depth = reiserfs_write_lock_once(inode->i_sb);
+ }
retval = search_for_position_by_key(inode->i_sb, &key, &path);
if (retval == IO_ERROR) {
retval = err;
}
- reiserfs_write_unlock(inode->i_sb);
+ reiserfs_write_unlock_once(inode->i_sb, lock_depth);
reiserfs_check_path(&path);
return retval;
}
REISERFS_I(inode)->i_trans_id = 0;
REISERFS_I(inode)->i_jl = NULL;
mutex_init(&(REISERFS_I(inode)->i_mmap));
- reiserfs_init_acl_access(inode);
- reiserfs_init_acl_default(inode);
reiserfs_init_xattr_rwsem(inode);
if (stat_data_v1(ih)) {
update sd on unlink all that is required is to check for nlink
here. This bug was first found by Sizif when debugging
SquidNG/Butterfly, forgotten, and found again after Philippe
- Gramoulle <philippe.gramoulle@mmania.com> reproduced it.
+ Gramoulle <philippe.gramoulle@mmania.com> reproduced it.
More logical fix would require changes in fs/inode.c:iput() to
remove inode from hash-table _after_ fs cleaned disk stuff up and
args.objectid = key->on_disk_key.k_objectid;
args.dirid = key->on_disk_key.k_dir_id;
+ reiserfs_write_unlock(s);
inode = iget5_locked(s, key->on_disk_key.k_objectid,
reiserfs_find_actor, reiserfs_init_locked_inode,
(void *)(&args));
+ reiserfs_write_lock(s);
if (!inode)
return ERR_PTR(-ENOMEM);
** to properly mark inodes for datasync and such, but only actually
** does something when called for a synchronous update.
*/
-int reiserfs_write_inode(struct inode *inode, int do_sync)
+int reiserfs_write_inode(struct inode *inode, struct writeback_control *wbc)
{
struct reiserfs_transaction_handle th;
int jbegin_count = 1;
if (inode->i_sb->s_flags & MS_RDONLY)
return -EROFS;
/* memory pressure can sometimes initiate write_inode calls with sync == 1,
- ** these cases are just when the system needs ram, not when the
+ ** these cases are just when the system needs ram, not when the
** inode needs to reach disk for safety, and they can safely be
** ignored because the altered inode has already been logged.
*/
- if (do_sync && !(current->flags & PF_MEMALLOC)) {
+ if (wbc->sync_mode == WB_SYNC_ALL && !(current->flags & PF_MEMALLOC)) {
reiserfs_write_lock(inode->i_sb);
if (!journal_begin(&th, inode->i_sb, jbegin_count)) {
reiserfs_update_sd(&th, inode);
/* inserts the stat data into the tree, and then calls
reiserfs_new_directory (to insert ".", ".." item if new object is
directory) or reiserfs_new_symlink (to insert symlink body if new
- object is symlink) or nothing (if new object is regular file)
+ object is symlink) or nothing (if new object is regular file)
NOTE! uid and gid must already be set in the inode. If we return
non-zero due to an error, we have to drop the quota previously allocated
if we return non-zero, we also end the transaction. */
int reiserfs_new_inode(struct reiserfs_transaction_handle *th,
struct inode *dir, int mode, const char *symname,
- /* 0 for regular, EMTRY_DIR_SIZE for dirs,
+ /* 0 for regular, EMTRY_DIR_SIZE for dirs,
strlen (symname) for symlinks) */
loff_t i_size, struct dentry *dentry,
- struct inode *inode)
+ struct inode *inode,
+ struct reiserfs_security_handle *security)
{
struct super_block *sb;
struct reiserfs_iget_args args;
BUG_ON(!th->t_trans_id);
- if (DQUOT_ALLOC_INODE(inode)) {
- err = -EDQUOT;
+ dquot_initialize(inode);
+ err = dquot_alloc_inode(inode);
+ if (err)
goto out_end_trans;
- }
if (!dir->i_nlink) {
err = -EPERM;
goto out_bad_inode;
goto out_bad_inode;
}
if (old_format_only(sb))
- /* not a perfect generation count, as object ids can be reused, but
+ /* not a perfect generation count, as object ids can be reused, but
** this is as good as reiserfs can do right now.
** note that the private part of inode isn't filled in yet, we have
** to use the directory.
REISERFS_I(dir)->i_attrs & REISERFS_INHERIT_MASK;
sd_attrs_to_i_attrs(REISERFS_I(inode)->i_attrs, inode);
mutex_init(&(REISERFS_I(inode)->i_mmap));
- reiserfs_init_acl_access(inode);
- reiserfs_init_acl_default(inode);
reiserfs_init_xattr_rwsem(inode);
/* key to search for correct place for new stat data */
goto out_inserted_sd;
}
- /* XXX CHECK THIS */
if (reiserfs_posixacl(inode->i_sb)) {
- retval = reiserfs_inherit_default_acl(dir, dentry, inode);
+ retval = reiserfs_inherit_default_acl(th, dir, dentry, inode);
if (retval) {
err = retval;
reiserfs_check_path(&path_to_key);
} else if (IS_PRIVATE(dir))
inode->i_flags |= S_PRIVATE;
+ if (security->name) {
+ retval = reiserfs_security_write(th, inode, security);
+ if (retval) {
+ err = retval;
+ reiserfs_check_path(&path_to_key);
+ retval = journal_end(th, th->t_super,
+ th->t_blocks_allocated);
+ if (retval)
+ err = retval;
+ goto out_inserted_sd;
+ }
+ }
+
reiserfs_update_sd(th, inode);
reiserfs_check_path(&path_to_key);
INODE_PKEY(inode)->k_objectid = 0;
/* Quota change must be inside a transaction for journaling */
- DQUOT_FREE_INODE(inode);
+ dquot_free_inode(inode);
out_end_trans:
journal_end(th, th->t_super, th->t_blocks_allocated);
/* Drop can be outside and it needs more credits so it's better to have it outside */
- DQUOT_DROP(inode);
+ dquot_drop(inode);
inode->i_flags |= S_NOQUOTA;
make_bad_inode(inode);
**
** on failure, nonzero is returned, page_result and bh_result are untouched.
*/
-static int grab_tail_page(struct inode *p_s_inode,
+static int grab_tail_page(struct inode *inode,
struct page **page_result,
struct buffer_head **bh_result)
{
/* we want the page with the last byte in the file,
** not the page that will hold the next byte for appending
*/
- unsigned long index = (p_s_inode->i_size - 1) >> PAGE_CACHE_SHIFT;
+ unsigned long index = (inode->i_size - 1) >> PAGE_CACHE_SHIFT;
unsigned long pos = 0;
unsigned long start = 0;
- unsigned long blocksize = p_s_inode->i_sb->s_blocksize;
- unsigned long offset = (p_s_inode->i_size) & (PAGE_CACHE_SIZE - 1);
+ unsigned long blocksize = inode->i_sb->s_blocksize;
+ unsigned long offset = (inode->i_size) & (PAGE_CACHE_SIZE - 1);
struct buffer_head *bh;
struct buffer_head *head;
struct page *page;
if ((offset & (blocksize - 1)) == 0) {
return -ENOENT;
}
- page = grab_cache_page(p_s_inode->i_mapping, index);
+ page = grab_cache_page(inode->i_mapping, index);
error = -ENOMEM;
if (!page) {
goto out;
** I've screwed up the code to find the buffer, or the code to
** call prepare_write
*/
- reiserfs_error(p_s_inode->i_sb, "clm-6000",
+ reiserfs_error(inode->i_sb, "clm-6000",
"error reading block %lu", bh->b_blocknr);
error = -EIO;
goto unlock;
**
** some code taken from block_truncate_page
*/
-int reiserfs_truncate_file(struct inode *p_s_inode, int update_timestamps)
+int reiserfs_truncate_file(struct inode *inode, int update_timestamps)
{
struct reiserfs_transaction_handle th;
/* we want the offset for the first byte after the end of the file */
- unsigned long offset = p_s_inode->i_size & (PAGE_CACHE_SIZE - 1);
- unsigned blocksize = p_s_inode->i_sb->s_blocksize;
+ unsigned long offset = inode->i_size & (PAGE_CACHE_SIZE - 1);
+ unsigned blocksize = inode->i_sb->s_blocksize;
unsigned length;
struct page *page = NULL;
int error;
struct buffer_head *bh = NULL;
int err2;
+ int lock_depth;
- reiserfs_write_lock(p_s_inode->i_sb);
+ lock_depth = reiserfs_write_lock_once(inode->i_sb);
- if (p_s_inode->i_size > 0) {
- if ((error = grab_tail_page(p_s_inode, &page, &bh))) {
- // -ENOENT means we truncated past the end of the file,
+ if (inode->i_size > 0) {
+ error = grab_tail_page(inode, &page, &bh);
+ if (error) {
+ // -ENOENT means we truncated past the end of the file,
// and get_block_create_0 could not find a block to read in,
// which is ok.
if (error != -ENOENT)
- reiserfs_error(p_s_inode->i_sb, "clm-6001",
+ reiserfs_error(inode->i_sb, "clm-6001",
"grab_tail_page failed %d",
error);
page = NULL;
}
}
- /* so, if page != NULL, we have a buffer head for the offset at
- ** the end of the file. if the bh is mapped, and bh->b_blocknr != 0,
- ** then we have an unformatted node. Otherwise, we have a direct item,
- ** and no zeroing is required on disk. We zero after the truncate,
- ** because the truncate might pack the item anyway
+ /* so, if page != NULL, we have a buffer head for the offset at
+ ** the end of the file. if the bh is mapped, and bh->b_blocknr != 0,
+ ** then we have an unformatted node. Otherwise, we have a direct item,
+ ** and no zeroing is required on disk. We zero after the truncate,
+ ** because the truncate might pack the item anyway
** (it will unmap bh if it packs).
*/
/* it is enough to reserve space in transaction for 2 balancings:
one for "save" link adding and another for the first
cut_from_item. 1 is for update_sd */
- error = journal_begin(&th, p_s_inode->i_sb,
+ error = journal_begin(&th, inode->i_sb,
JOURNAL_PER_BALANCE_CNT * 2 + 1);
if (error)
goto out;
- reiserfs_update_inode_transaction(p_s_inode);
+ reiserfs_update_inode_transaction(inode);
if (update_timestamps)
/* we are doing real truncate: if the system crashes before the last
transaction of truncating gets committed - on reboot the file
either appears truncated properly or not truncated at all */
- add_save_link(&th, p_s_inode, 1);
- err2 = reiserfs_do_truncate(&th, p_s_inode, page, update_timestamps);
+ add_save_link(&th, inode, 1);
+ err2 = reiserfs_do_truncate(&th, inode, page, update_timestamps);
error =
- journal_end(&th, p_s_inode->i_sb, JOURNAL_PER_BALANCE_CNT * 2 + 1);
+ journal_end(&th, inode->i_sb, JOURNAL_PER_BALANCE_CNT * 2 + 1);
if (error)
goto out;
}
if (update_timestamps) {
- error = remove_save_link(p_s_inode, 1 /* truncate */ );
+ error = remove_save_link(inode, 1 /* truncate */);
if (error)
goto out;
}
page_cache_release(page);
}
- reiserfs_write_unlock(p_s_inode->i_sb);
+ reiserfs_write_unlock_once(inode->i_sb, lock_depth);
+
return 0;
out:
if (page) {
unlock_page(page);
page_cache_release(page);
}
- reiserfs_write_unlock(p_s_inode->i_sb);
+
+ reiserfs_write_unlock_once(inode->i_sb, lock_depth);
+
return error;
}
return retval;
}
-/*
- * mason@suse.com: updated in 2.5.54 to follow the same general io
+/*
+ * mason@suse.com: updated in 2.5.54 to follow the same general io
* start/recovery path as __block_write_full_page, along with special
* code to handle reiserfs tails.
*/
unlock_page(page);
/*
- * since any buffer might be the only dirty buffer on the page,
+ * since any buffer might be the only dirty buffer on the page,
* the first submit_bh can bring the page out of writeback.
* be careful with the buffers.
*/
if (nr == 0) {
/*
* if this page only had a direct item, it is very possible for
- * no io to be required without there being an error. Or,
- * someone else could have locked them and sent them down the
+ * no io to be required without there being an error. Or,
+ * someone else could have locked them and sent them down the
* pipe without locking the page
*/
bh = head;
fail:
/* catches various errors, we need to make sure any valid dirty blocks
- * get to the media. The page is currently locked and not marked for
+ * get to the media. The page is currently locked and not marked for
* writeback
*/
ClearPageUptodate(page);
return reiserfs_write_full_page(page, wbc);
}
+static void reiserfs_truncate_failed_write(struct inode *inode)
+{
+ truncate_inode_pages(inode->i_mapping, inode->i_size);
+ reiserfs_truncate_file(inode, 0);
+}
+
static int reiserfs_write_begin(struct file *file,
struct address_space *mapping,
loff_t pos, unsigned len, unsigned flags,
if (ret) {
unlock_page(page);
page_cache_release(page);
+ /* Truncate allocated blocks */
+ reiserfs_truncate_failed_write(inode);
}
return ret;
}
int ret;
int old_ref = 0;
+ reiserfs_write_unlock(inode->i_sb);
reiserfs_wait_on_write_block(inode->i_sb);
+ reiserfs_write_lock(inode->i_sb);
+
fix_tail_page_for_writing(page);
if (reiserfs_transaction_running(inode->i_sb)) {
struct reiserfs_transaction_handle *th;
int update_sd = 0;
struct reiserfs_transaction_handle *th;
unsigned start;
+ int lock_depth = 0;
+ bool locked = false;
if ((unsigned long)fsdata & AOP_FLAG_CONT_EXPAND)
pos ++;
** transaction tracking stuff when the size changes. So, we have
** to do the i_size updates here.
*/
- pos += copied;
- if (pos > inode->i_size) {
+ if (pos + copied > inode->i_size) {
struct reiserfs_transaction_handle myth;
- reiserfs_write_lock(inode->i_sb);
+ lock_depth = reiserfs_write_lock_once(inode->i_sb);
+ locked = true;
/* If the file have grown beyond the border where it
can have a tail, unmark it as needing a tail
packing */
REISERFS_I(inode)->i_flags &= ~i_pack_on_close_mask;
ret = journal_begin(&myth, inode->i_sb, 1);
- if (ret) {
- reiserfs_write_unlock(inode->i_sb);
+ if (ret)
goto journal_error;
- }
+
reiserfs_update_inode_transaction(inode);
- inode->i_size = pos;
+ inode->i_size = pos + copied;
/*
* this will just nest into our transaction. It's important
* to use mark_inode_dirty so the inode gets pushed around on the
reiserfs_update_sd(&myth, inode);
update_sd = 1;
ret = journal_end(&myth, inode->i_sb, 1);
- reiserfs_write_unlock(inode->i_sb);
if (ret)
goto journal_error;
}
if (th) {
- reiserfs_write_lock(inode->i_sb);
+ if (!locked) {
+ lock_depth = reiserfs_write_lock_once(inode->i_sb);
+ locked = true;
+ }
if (!update_sd)
mark_inode_dirty(inode);
ret = reiserfs_end_persistent_transaction(th);
- reiserfs_write_unlock(inode->i_sb);
if (ret)
goto out;
}
out:
+ if (locked)
+ reiserfs_write_unlock_once(inode->i_sb, lock_depth);
unlock_page(page);
page_cache_release(page);
+
+ if (pos + len > inode->i_size)
+ reiserfs_truncate_failed_write(inode);
+
return ret == 0 ? copied : ret;
journal_error:
+ reiserfs_write_unlock_once(inode->i_sb, lock_depth);
+ locked = false;
if (th) {
- reiserfs_write_lock(inode->i_sb);
if (!update_sd)
reiserfs_update_sd(th, inode);
ret = reiserfs_end_persistent_transaction(th);
- reiserfs_write_unlock(inode->i_sb);
}
-
goto out;
}
int update_sd = 0;
struct reiserfs_transaction_handle *th = NULL;
+ reiserfs_write_unlock(inode->i_sb);
reiserfs_wait_on_write_block(inode->i_sb);
+ reiserfs_write_lock(inode->i_sb);
+
if (reiserfs_transaction_running(inode->i_sb)) {
th = current->journal_info;
}
*/
if (pos > inode->i_size) {
struct reiserfs_transaction_handle myth;
- reiserfs_write_lock(inode->i_sb);
/* If the file have grown beyond the border where it
can have a tail, unmark it as needing a tail
packing */
REISERFS_I(inode)->i_flags &= ~i_pack_on_close_mask;
ret = journal_begin(&myth, inode->i_sb, 1);
- if (ret) {
- reiserfs_write_unlock(inode->i_sb);
+ if (ret)
goto journal_error;
- }
+
reiserfs_update_inode_transaction(inode);
inode->i_size = pos;
/*
reiserfs_update_sd(&myth, inode);
update_sd = 1;
ret = journal_end(&myth, inode->i_sb, 1);
- reiserfs_write_unlock(inode->i_sb);
if (ret)
goto journal_error;
}
if (th) {
- reiserfs_write_lock(inode->i_sb);
if (!update_sd)
mark_inode_dirty(inode);
ret = reiserfs_end_persistent_transaction(th);
- reiserfs_write_unlock(inode->i_sb);
if (ret)
goto out;
}
journal_error:
if (th) {
- reiserfs_write_lock(inode->i_sb);
if (!update_sd)
reiserfs_update_sd(th, inode);
ret = reiserfs_end_persistent_transaction(th);
- reiserfs_write_unlock(inode->i_sb);
}
return ret;
int reiserfs_setattr(struct dentry *dentry, struct iattr *attr)
{
struct inode *inode = dentry->d_inode;
- int error;
unsigned int ia_valid;
+ int depth;
+ int error;
/* must be turned off for recursive notify_change calls */
ia_valid = attr->ia_valid &= ~(ATTR_KILL_SUID|ATTR_KILL_SGID);
- reiserfs_write_lock(inode->i_sb);
+ depth = reiserfs_write_lock_once(inode->i_sb);
if (attr->ia_valid & ATTR_SIZE) {
+ dquot_initialize(inode);
+
/* version 2 items will be caught by the s_maxbytes check
** done for us in vmtruncate
*/
jbegin_count);
if (error)
goto out;
- error =
- DQUOT_TRANSFER(inode, attr) ? -EDQUOT : 0;
+ error = dquot_transfer(inode, attr);
if (error) {
journal_end(&th, inode->i_sb,
jbegin_count);
journal_end(&th, inode->i_sb, jbegin_count);
}
}
- if (!error)
+ if (!error) {
+ /*
+ * Relax the lock here, as it might truncate the
+ * inode pages and wait for inode pages locks.
+ * To release such page lock, the owner needs the
+ * reiserfs lock
+ */
+ reiserfs_write_unlock_once(inode->i_sb, depth);
error = inode_setattr(inode, attr);
+ depth = reiserfs_write_lock_once(inode->i_sb);
+ }
}
if (!error && reiserfs_posixacl(inode->i_sb)) {
}
out:
- reiserfs_write_unlock(inode->i_sb);
+ reiserfs_write_unlock_once(inode->i_sb, depth);
+
return error;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff