#include <linux/pagemap.h>
#include <linux/buffer_head.h>
#include <linux/writeback.h>
+#include <linux/quotaops.h>
#include <linux/slab.h>
+#include <linux/crc-itu-t.h>
#include "udf_i.h"
#include "udf_sb.h"
static void udf_fill_inode(struct inode *, struct buffer_head *);
static int udf_alloc_i_data(struct inode *inode, size_t size);
static struct buffer_head *inode_getblk(struct inode *, sector_t, int *,
- long *, int *);
+ sector_t *, int *);
static int8_t udf_insert_aext(struct inode *, struct extent_position,
- kernel_lb_addr, uint32_t);
+ struct kernel_lb_addr, uint32_t);
static void udf_split_extents(struct inode *, int *, int, int,
- kernel_long_ad[EXTENT_MERGE_SIZE], int *);
+ struct kernel_long_ad[EXTENT_MERGE_SIZE], int *);
static void udf_prealloc_extents(struct inode *, int, int,
- kernel_long_ad[EXTENT_MERGE_SIZE], int *);
+ struct kernel_long_ad[EXTENT_MERGE_SIZE], int *);
static void udf_merge_extents(struct inode *,
- kernel_long_ad[EXTENT_MERGE_SIZE], int *);
+ struct kernel_long_ad[EXTENT_MERGE_SIZE], int *);
static void udf_update_extents(struct inode *,
- kernel_long_ad[EXTENT_MERGE_SIZE], int, int,
+ struct kernel_long_ad[EXTENT_MERGE_SIZE], int, int,
struct extent_position *);
static int udf_get_block(struct inode *, sector_t, struct buffer_head *, int);
-/*
- * udf_delete_inode
- *
- * PURPOSE
- * Clean-up before the specified inode is destroyed.
- *
- * DESCRIPTION
- * This routine is called when the kernel destroys an inode structure
- * ie. when iput() finds i_count == 0.
- *
- * HISTORY
- * July 1, 1997 - Andrew E. Mileski
- * Written, tested, and released.
- *
- * Called at the last iput() if i_nlink is zero.
- */
+
void udf_delete_inode(struct inode *inode)
{
+ if (!is_bad_inode(inode))
+ dquot_initialize(inode);
+
truncate_inode_pages(&inode->i_data, 0);
if (is_bad_inode(inode))
}
/*
- * If we are going to release inode from memory, we discard preallocation and
- * truncate last inode extent to proper length. We could use drop_inode() but
- * it's called under inode_lock and thus we cannot mark inode dirty there. We
- * use clear_inode() but we have to make sure to write inode as it's not written
- * automatically.
+ * If we are going to release inode from memory, we truncate last inode extent
+ * to proper length. We could use drop_inode() but it's called under inode_lock
+ * and thus we cannot mark inode dirty there. We use clear_inode() but we have
+ * to make sure to write inode as it's not written automatically.
*/
void udf_clear_inode(struct inode *inode)
{
- if (!(inode->i_sb->s_flags & MS_RDONLY)) {
- lock_kernel();
- /* Discard preallocation for directories, symlinks, etc. */
- udf_discard_prealloc(inode);
- udf_truncate_tail_extent(inode);
- unlock_kernel();
- write_inode_now(inode, 1);
+ struct udf_inode_info *iinfo = UDF_I(inode);
+
+ if (iinfo->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB &&
+ inode->i_size != iinfo->i_lenExtents) {
+ printk(KERN_WARNING "UDF-fs (%s): Inode %lu (mode %o) has "
+ "inode size %llu different from extent length %llu. "
+ "Filesystem need not be standards compliant.\n",
+ inode->i_sb->s_id, inode->i_ino, inode->i_mode,
+ (unsigned long long)inode->i_size,
+ (unsigned long long)iinfo->i_lenExtents);
}
- kfree(UDF_I_DATA(inode));
- UDF_I_DATA(inode) = NULL;
+
+ dquot_drop(inode);
+ kfree(iinfo->i_ext.i_data);
+ iinfo->i_ext.i_data = NULL;
}
static int udf_writepage(struct page *page, struct writeback_control *wbc)
{
struct page *page;
char *kaddr;
+ struct udf_inode_info *iinfo = UDF_I(inode);
struct writeback_control udf_wbc = {
.sync_mode = WB_SYNC_NONE,
.nr_to_write = 1,
/* from now on we have normal address_space methods */
inode->i_data.a_ops = &udf_aops;
- if (!UDF_I_LENALLOC(inode)) {
+ if (!iinfo->i_lenAlloc) {
if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD))
- UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_SHORT;
+ iinfo->i_alloc_type = ICBTAG_FLAG_AD_SHORT;
else
- UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_LONG;
+ iinfo->i_alloc_type = ICBTAG_FLAG_AD_LONG;
mark_inode_dirty(inode);
return;
}
if (!PageUptodate(page)) {
kaddr = kmap(page);
- memset(kaddr + UDF_I_LENALLOC(inode), 0x00,
- PAGE_CACHE_SIZE - UDF_I_LENALLOC(inode));
- memcpy(kaddr, UDF_I_DATA(inode) + UDF_I_LENEATTR(inode),
- UDF_I_LENALLOC(inode));
+ memset(kaddr + iinfo->i_lenAlloc, 0x00,
+ PAGE_CACHE_SIZE - iinfo->i_lenAlloc);
+ memcpy(kaddr, iinfo->i_ext.i_data + iinfo->i_lenEAttr,
+ iinfo->i_lenAlloc);
flush_dcache_page(page);
SetPageUptodate(page);
kunmap(page);
}
- memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode), 0x00,
- UDF_I_LENALLOC(inode));
- UDF_I_LENALLOC(inode) = 0;
+ memset(iinfo->i_ext.i_data + iinfo->i_lenEAttr, 0x00,
+ iinfo->i_lenAlloc);
+ iinfo->i_lenAlloc = 0;
if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD))
- UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_SHORT;
+ iinfo->i_alloc_type = ICBTAG_FLAG_AD_SHORT;
else
- UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_LONG;
+ iinfo->i_alloc_type = ICBTAG_FLAG_AD_LONG;
inode->i_data.a_ops->writepage(page, &udf_wbc);
page_cache_release(page);
{
int newblock;
struct buffer_head *dbh = NULL;
- kernel_lb_addr eloc;
- uint32_t elen;
+ struct kernel_lb_addr eloc;
uint8_t alloctype;
struct extent_position epos;
struct udf_fileident_bh sfibh, dfibh;
- loff_t f_pos = udf_ext0_offset(inode) >> 2;
- int size = (udf_ext0_offset(inode) + inode->i_size) >> 2;
+ loff_t f_pos = udf_ext0_offset(inode);
+ int size = udf_ext0_offset(inode) + inode->i_size;
struct fileIdentDesc cfi, *sfi, *dfi;
+ struct udf_inode_info *iinfo = UDF_I(inode);
if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD))
alloctype = ICBTAG_FLAG_AD_SHORT;
alloctype = ICBTAG_FLAG_AD_LONG;
if (!inode->i_size) {
- UDF_I_ALLOCTYPE(inode) = alloctype;
+ iinfo->i_alloc_type = alloctype;
mark_inode_dirty(inode);
return NULL;
}
/* alloc block, and copy data to it */
*block = udf_new_block(inode->i_sb, inode,
- UDF_I_LOCATION(inode).partitionReferenceNum,
- UDF_I_LOCATION(inode).logicalBlockNum, err);
+ iinfo->i_location.partitionReferenceNum,
+ iinfo->i_location.logicalBlockNum, err);
if (!(*block))
return NULL;
newblock = udf_get_pblock(inode->i_sb, *block,
- UDF_I_LOCATION(inode).partitionReferenceNum,
- 0);
+ iinfo->i_location.partitionReferenceNum,
+ 0);
if (!newblock)
return NULL;
dbh = udf_tgetblk(inode->i_sb, newblock);
mark_buffer_dirty_inode(dbh, inode);
sfibh.soffset = sfibh.eoffset =
- (f_pos & ((inode->i_sb->s_blocksize - 1) >> 2)) << 2;
+ f_pos & (inode->i_sb->s_blocksize - 1);
sfibh.sbh = sfibh.ebh = NULL;
dfibh.soffset = dfibh.eoffset = 0;
dfibh.sbh = dfibh.ebh = dbh;
- while ((f_pos < size)) {
- UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB;
+ while (f_pos < size) {
+ iinfo->i_alloc_type = ICBTAG_FLAG_AD_IN_ICB;
sfi = udf_fileident_read(inode, &f_pos, &sfibh, &cfi, NULL,
NULL, NULL, NULL);
if (!sfi) {
brelse(dbh);
return NULL;
}
- UDF_I_ALLOCTYPE(inode) = alloctype;
+ iinfo->i_alloc_type = alloctype;
sfi->descTag.tagLocation = cpu_to_le32(*block);
dfibh.soffset = dfibh.eoffset;
dfibh.eoffset += (sfibh.eoffset - sfibh.soffset);
if (udf_write_fi(inode, sfi, dfi, &dfibh, sfi->impUse,
sfi->fileIdent +
le16_to_cpu(sfi->lengthOfImpUse))) {
- UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB;
+ iinfo->i_alloc_type = ICBTAG_FLAG_AD_IN_ICB;
brelse(dbh);
return NULL;
}
}
mark_buffer_dirty_inode(dbh, inode);
- memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode), 0,
- UDF_I_LENALLOC(inode));
- UDF_I_LENALLOC(inode) = 0;
+ memset(iinfo->i_ext.i_data + iinfo->i_lenEAttr, 0,
+ iinfo->i_lenAlloc);
+ iinfo->i_lenAlloc = 0;
eloc.logicalBlockNum = *block;
eloc.partitionReferenceNum =
- UDF_I_LOCATION(inode).partitionReferenceNum;
- elen = inode->i_size;
- UDF_I_LENEXTENTS(inode) = elen;
+ iinfo->i_location.partitionReferenceNum;
+ iinfo->i_lenExtents = inode->i_size;
epos.bh = NULL;
- epos.block = UDF_I_LOCATION(inode);
+ epos.block = iinfo->i_location;
epos.offset = udf_file_entry_alloc_offset(inode);
- udf_add_aext(inode, &epos, eloc, elen, 0);
+ udf_add_aext(inode, &epos, &eloc, inode->i_size, 0);
/* UniqueID stuff */
brelse(epos.bh);
{
int err, new;
struct buffer_head *bh;
- unsigned long phys;
+ sector_t phys = 0;
+ struct udf_inode_info *iinfo;
if (!create) {
phys = udf_block_map(inode, block);
lock_kernel();
- if (block < 0)
- goto abort_negative;
-
- if (block == UDF_I_NEXT_ALLOC_BLOCK(inode) + 1) {
- UDF_I_NEXT_ALLOC_BLOCK(inode)++;
- UDF_I_NEXT_ALLOC_GOAL(inode)++;
+ iinfo = UDF_I(inode);
+ if (block == iinfo->i_next_alloc_block + 1) {
+ iinfo->i_next_alloc_block++;
+ iinfo->i_next_alloc_goal++;
}
err = 0;
abort:
unlock_kernel();
return err;
-
-abort_negative:
- udf_warning(inode->i_sb, "udf_get_block", "block < 0");
- goto abort;
}
static struct buffer_head *udf_getblk(struct inode *inode, long block,
/* Extend the file by 'blocks' blocks, return the number of extents added */
int udf_extend_file(struct inode *inode, struct extent_position *last_pos,
- kernel_long_ad *last_ext, sector_t blocks)
+ struct kernel_long_ad *last_ext, sector_t blocks)
{
sector_t add;
int count = 0, fake = !(last_ext->extLength & UDF_EXTENT_LENGTH_MASK);
struct super_block *sb = inode->i_sb;
- kernel_lb_addr prealloc_loc = {};
+ struct kernel_lb_addr prealloc_loc = {};
int prealloc_len = 0;
+ struct udf_inode_info *iinfo;
/* The previous extent is fake and we should not extend by anything
* - there's nothing to do... */
if (!blocks && fake)
return 0;
+ iinfo = UDF_I(inode);
/* Round the last extent up to a multiple of block size */
if (last_ext->extLength & (sb->s_blocksize - 1)) {
last_ext->extLength =
(last_ext->extLength & UDF_EXTENT_FLAG_MASK) |
(((last_ext->extLength & UDF_EXTENT_LENGTH_MASK) +
sb->s_blocksize - 1) & ~(sb->s_blocksize - 1));
- UDF_I_LENEXTENTS(inode) =
- (UDF_I_LENEXTENTS(inode) + sb->s_blocksize - 1) &
+ iinfo->i_lenExtents =
+ (iinfo->i_lenExtents + sb->s_blocksize - 1) &
~(sb->s_blocksize - 1);
}
}
if (fake) {
- udf_add_aext(inode, last_pos, last_ext->extLocation,
+ udf_add_aext(inode, last_pos, &last_ext->extLocation,
last_ext->extLength, 1);
count++;
} else
- udf_write_aext(inode, last_pos, last_ext->extLocation,
+ udf_write_aext(inode, last_pos, &last_ext->extLocation,
last_ext->extLength, 1);
/* Managed to do everything necessary? */
/* Create enough extents to cover the whole hole */
while (blocks > add) {
blocks -= add;
- if (udf_add_aext(inode, last_pos, last_ext->extLocation,
+ if (udf_add_aext(inode, last_pos, &last_ext->extLocation,
last_ext->extLength, 1) == -1)
return -1;
count++;
if (blocks) {
last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED |
(blocks << sb->s_blocksize_bits);
- if (udf_add_aext(inode, last_pos, last_ext->extLocation,
+ if (udf_add_aext(inode, last_pos, &last_ext->extLocation,
last_ext->extLength, 1) == -1)
return -1;
count++;
out:
/* Do we have some preallocated blocks saved? */
if (prealloc_len) {
- if (udf_add_aext(inode, last_pos, prealloc_loc,
+ if (udf_add_aext(inode, last_pos, &prealloc_loc,
prealloc_len, 1) == -1)
return -1;
last_ext->extLocation = prealloc_loc;
}
/* last_pos should point to the last written extent... */
- if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT)
- last_pos->offset -= sizeof(short_ad);
- else if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_LONG)
- last_pos->offset -= sizeof(long_ad);
+ if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT)
+ last_pos->offset -= sizeof(struct short_ad);
+ else if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_LONG)
+ last_pos->offset -= sizeof(struct long_ad);
else
return -1;
}
static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
- int *err, long *phys, int *new)
+ int *err, sector_t *phys, int *new)
{
static sector_t last_block;
struct buffer_head *result = NULL;
- kernel_long_ad laarr[EXTENT_MERGE_SIZE];
+ struct kernel_long_ad laarr[EXTENT_MERGE_SIZE];
struct extent_position prev_epos, cur_epos, next_epos;
int count = 0, startnum = 0, endnum = 0;
uint32_t elen = 0, tmpelen;
- kernel_lb_addr eloc, tmpeloc;
+ struct kernel_lb_addr eloc, tmpeloc;
int c = 1;
loff_t lbcount = 0, b_off = 0;
uint32_t newblocknum, newblock;
sector_t offset = 0;
int8_t etype;
- int goal = 0, pgoal = UDF_I_LOCATION(inode).logicalBlockNum;
+ struct udf_inode_info *iinfo = UDF_I(inode);
+ int goal = 0, pgoal = iinfo->i_location.logicalBlockNum;
int lastblock = 0;
prev_epos.offset = udf_file_entry_alloc_offset(inode);
- prev_epos.block = UDF_I_LOCATION(inode);
+ prev_epos.block = iinfo->i_location;
prev_epos.bh = NULL;
cur_epos = next_epos = prev_epos;
b_off = (loff_t)block << inode->i_sb->s_blocksize_bits;
elen = EXT_RECORDED_ALLOCATED |
((elen + inode->i_sb->s_blocksize - 1) &
~(inode->i_sb->s_blocksize - 1));
- etype = udf_write_aext(inode, &cur_epos, eloc, elen, 1);
+ etype = udf_write_aext(inode, &cur_epos, &eloc, elen, 1);
}
brelse(prev_epos.bh);
brelse(cur_epos.bh);
brelse(next_epos.bh);
- newblock = udf_get_lb_pblock(inode->i_sb, eloc, offset);
+ newblock = udf_get_lb_pblock(inode->i_sb, &eloc, offset);
*phys = newblock;
return NULL;
}
} else {
/* Create a fake extent when there's not one */
memset(&laarr[0].extLocation, 0x00,
- sizeof(kernel_lb_addr));
+ sizeof(struct kernel_lb_addr));
laarr[0].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED;
/* Will udf_extend_file() create real extent from
a fake one? */
laarr[c].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED |
inode->i_sb->s_blocksize;
memset(&laarr[c].extLocation, 0x00,
- sizeof(kernel_lb_addr));
+ sizeof(struct kernel_lb_addr));
count++;
endnum++;
}
if ((laarr[c].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30))
newblocknum = laarr[c].extLocation.logicalBlockNum + offset;
else { /* otherwise, allocate a new block */
- if (UDF_I_NEXT_ALLOC_BLOCK(inode) == block)
- goal = UDF_I_NEXT_ALLOC_GOAL(inode);
+ if (iinfo->i_next_alloc_block == block)
+ goal = iinfo->i_next_alloc_goal;
if (!goal) {
if (!(goal = pgoal)) /* XXX: what was intended here? */
- goal = UDF_I_LOCATION(inode).logicalBlockNum+1;
+ goal = iinfo->i_location.logicalBlockNum + 1;
}
newblocknum = udf_new_block(inode->i_sb, inode,
- UDF_I_LOCATION(inode).partitionReferenceNum,
+ iinfo->i_location.partitionReferenceNum,
goal, err);
if (!newblocknum) {
brelse(prev_epos.bh);
*err = -ENOSPC;
return NULL;
}
- UDF_I_LENEXTENTS(inode) += inode->i_sb->s_blocksize;
+ iinfo->i_lenExtents += inode->i_sb->s_blocksize;
}
/* if the extent the requsted block is located in contains multiple
udf_split_extents(inode, &c, offset, newblocknum, laarr, &endnum);
#ifdef UDF_PREALLOCATE
- /* preallocate blocks */
- udf_prealloc_extents(inode, c, lastblock, laarr, &endnum);
+ /* We preallocate blocks only for regular files. It also makes sense
+ * for directories but there's a problem when to drop the
+ * preallocation. We might use some delayed work for that but I feel
+ * it's overengineering for a filesystem like UDF. */
+ if (S_ISREG(inode->i_mode))
+ udf_prealloc_extents(inode, c, lastblock, laarr, &endnum);
#endif
/* merge any continuous blocks in laarr */
brelse(prev_epos.bh);
newblock = udf_get_pblock(inode->i_sb, newblocknum,
- UDF_I_LOCATION(inode).partitionReferenceNum, 0);
+ iinfo->i_location.partitionReferenceNum, 0);
if (!newblock)
return NULL;
*phys = newblock;
*err = 0;
*new = 1;
- UDF_I_NEXT_ALLOC_BLOCK(inode) = block;
- UDF_I_NEXT_ALLOC_GOAL(inode) = newblocknum;
+ iinfo->i_next_alloc_block = block;
+ iinfo->i_next_alloc_goal = newblocknum;
inode->i_ctime = current_fs_time(inode->i_sb);
if (IS_SYNC(inode))
static void udf_split_extents(struct inode *inode, int *c, int offset,
int newblocknum,
- kernel_long_ad laarr[EXTENT_MERGE_SIZE],
+ struct kernel_long_ad laarr[EXTENT_MERGE_SIZE],
int *endnum)
{
unsigned long blocksize = inode->i_sb->s_blocksize;
if (offset) {
if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
udf_free_blocks(inode->i_sb, inode,
- laarr[curr].extLocation,
+ &laarr[curr].extLocation,
0, offset);
laarr[curr].extLength =
EXT_NOT_RECORDED_NOT_ALLOCATED |
laarr[curr].extLocation.logicalBlockNum = newblocknum;
if (etype == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))
laarr[curr].extLocation.partitionReferenceNum =
- UDF_I_LOCATION(inode).partitionReferenceNum;
+ UDF_I(inode)->i_location.partitionReferenceNum;
laarr[curr].extLength = EXT_RECORDED_ALLOCATED |
blocksize;
curr++;
}
static void udf_prealloc_extents(struct inode *inode, int c, int lastblock,
- kernel_long_ad laarr[EXTENT_MERGE_SIZE],
+ struct kernel_long_ad laarr[EXTENT_MERGE_SIZE],
int *endnum)
{
int start, length = 0, currlength = 0, i;
inode->i_sb->s_blocksize_bits);
else {
memmove(&laarr[c + 2], &laarr[c + 1],
- sizeof(long_ad) * (*endnum - (c + 1)));
+ sizeof(struct long_ad) * (*endnum - (c + 1)));
(*endnum)++;
laarr[c + 1].extLocation.logicalBlockNum = next;
laarr[c + 1].extLocation.partitionReferenceNum =
if (*endnum > (i + 1))
memmove(&laarr[i],
&laarr[i + 1],
- sizeof(long_ad) *
+ sizeof(struct long_ad) *
(*endnum - (i + 1)));
i--;
(*endnum)--;
}
}
- UDF_I_LENEXTENTS(inode) +=
+ UDF_I(inode)->i_lenExtents +=
numalloc << inode->i_sb->s_blocksize_bits;
}
}
}
static void udf_merge_extents(struct inode *inode,
- kernel_long_ad laarr[EXTENT_MERGE_SIZE],
+ struct kernel_long_ad laarr[EXTENT_MERGE_SIZE],
int *endnum)
{
int i;
unsigned char blocksize_bits = inode->i_sb->s_blocksize_bits;
for (i = 0; i < (*endnum - 1); i++) {
- kernel_long_ad *li /*l[i]*/ = &laarr[i];
- kernel_long_ad *lip1 /*l[i plus 1]*/ = &laarr[i + 1];
+ struct kernel_long_ad *li /*l[i]*/ = &laarr[i];
+ struct kernel_long_ad *lip1 /*l[i plus 1]*/ = &laarr[i + 1];
if (((li->extLength >> 30) == (lip1->extLength >> 30)) &&
(((li->extLength >> 30) ==
blocksize - 1) & ~(blocksize - 1));
if (*endnum > (i + 2))
memmove(&laarr[i + 1], &laarr[i + 2],
- sizeof(long_ad) *
+ sizeof(struct long_ad) *
(*endnum - (i + 2)));
i--;
(*endnum)--;
(EXT_NOT_RECORDED_ALLOCATED >> 30)) &&
((lip1->extLength >> 30) ==
(EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))) {
- udf_free_blocks(inode->i_sb, inode, li->extLocation, 0,
+ udf_free_blocks(inode->i_sb, inode, &li->extLocation, 0,
((li->extLength &
UDF_EXTENT_LENGTH_MASK) +
blocksize - 1) >> blocksize_bits);
blocksize - 1) & ~(blocksize - 1));
if (*endnum > (i + 2))
memmove(&laarr[i + 1], &laarr[i + 2],
- sizeof(long_ad) *
+ sizeof(struct long_ad) *
(*endnum - (i + 2)));
i--;
(*endnum)--;
} else if ((li->extLength >> 30) ==
(EXT_NOT_RECORDED_ALLOCATED >> 30)) {
udf_free_blocks(inode->i_sb, inode,
- li->extLocation, 0,
+ &li->extLocation, 0,
((li->extLength &
UDF_EXTENT_LENGTH_MASK) +
blocksize - 1) >> blocksize_bits);
}
static void udf_update_extents(struct inode *inode,
- kernel_long_ad laarr[EXTENT_MERGE_SIZE],
+ struct kernel_long_ad laarr[EXTENT_MERGE_SIZE],
int startnum, int endnum,
struct extent_position *epos)
{
int start = 0, i;
- kernel_lb_addr tmploc;
+ struct kernel_lb_addr tmploc;
uint32_t tmplen;
if (startnum > endnum) {
for (i = start; i < endnum; i++) {
udf_next_aext(inode, epos, &tmploc, &tmplen, 0);
- udf_write_aext(inode, epos, laarr[i].extLocation,
+ udf_write_aext(inode, epos, &laarr[i].extLocation,
laarr[i].extLength, 1);
}
}
{
int offset;
int err;
+ struct udf_inode_info *iinfo;
if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
S_ISLNK(inode->i_mode)))
return;
lock_kernel();
- if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) {
+ iinfo = UDF_I(inode);
+ if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) {
if (inode->i_sb->s_blocksize <
(udf_file_entry_alloc_offset(inode) +
inode->i_size)) {
udf_expand_file_adinicb(inode, inode->i_size, &err);
- if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) {
- inode->i_size = UDF_I_LENALLOC(inode);
+ if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) {
+ inode->i_size = iinfo->i_lenAlloc;
unlock_kernel();
return;
} else
udf_truncate_extents(inode);
} else {
offset = inode->i_size & (inode->i_sb->s_blocksize - 1);
- memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode) +
- offset, 0x00, inode->i_sb->s_blocksize -
+ memset(iinfo->i_ext.i_data + iinfo->i_lenEAttr + offset,
+ 0x00, inode->i_sb->s_blocksize -
offset - udf_file_entry_alloc_offset(inode));
- UDF_I_LENALLOC(inode) = inode->i_size;
+ iinfo->i_lenAlloc = inode->i_size;
}
} else {
block_truncate_page(inode->i_mapping, inode->i_size,
struct buffer_head *bh = NULL;
struct fileEntry *fe;
uint16_t ident;
+ struct udf_inode_info *iinfo = UDF_I(inode);
/*
* Set defaults, but the inode is still incomplete!
* i_nlink = 1
* i_op = NULL;
*/
- bh = udf_read_ptagged(inode->i_sb, UDF_I_LOCATION(inode), 0, &ident);
+ bh = udf_read_ptagged(inode->i_sb, &iinfo->i_location, 0, &ident);
if (!bh) {
printk(KERN_ERR "udf: udf_read_inode(ino %ld) failed !bh\n",
inode->i_ino);
fe = (struct fileEntry *)bh->b_data;
- if (le16_to_cpu(fe->icbTag.strategyType) == 4096) {
- struct buffer_head *ibh = NULL, *nbh = NULL;
- struct indirectEntry *ie;
+ if (fe->icbTag.strategyType == cpu_to_le16(4096)) {
+ struct buffer_head *ibh;
- ibh = udf_read_ptagged(inode->i_sb, UDF_I_LOCATION(inode), 1,
+ ibh = udf_read_ptagged(inode->i_sb, &iinfo->i_location, 1,
&ident);
- if (ident == TAG_IDENT_IE) {
- if (ibh) {
- kernel_lb_addr loc;
- ie = (struct indirectEntry *)ibh->b_data;
-
- loc = lelb_to_cpu(ie->indirectICB.extLocation);
-
- if (ie->indirectICB.extLength &&
- (nbh = udf_read_ptagged(inode->i_sb, loc, 0,
- &ident))) {
- if (ident == TAG_IDENT_FE ||
- ident == TAG_IDENT_EFE) {
- memcpy(&UDF_I_LOCATION(inode),
- &loc,
- sizeof(kernel_lb_addr));
- brelse(bh);
- brelse(ibh);
- brelse(nbh);
- __udf_read_inode(inode);
- return;
- } else {
- brelse(nbh);
- brelse(ibh);
- }
- } else {
+ if (ident == TAG_IDENT_IE && ibh) {
+ struct buffer_head *nbh = NULL;
+ struct kernel_lb_addr loc;
+ struct indirectEntry *ie;
+
+ ie = (struct indirectEntry *)ibh->b_data;
+ loc = lelb_to_cpu(ie->indirectICB.extLocation);
+
+ if (ie->indirectICB.extLength &&
+ (nbh = udf_read_ptagged(inode->i_sb, &loc, 0,
+ &ident))) {
+ if (ident == TAG_IDENT_FE ||
+ ident == TAG_IDENT_EFE) {
+ memcpy(&iinfo->i_location,
+ &loc,
+ sizeof(struct kernel_lb_addr));
+ brelse(bh);
brelse(ibh);
+ brelse(nbh);
+ __udf_read_inode(inode);
+ return;
}
+ brelse(nbh);
}
- } else {
- brelse(ibh);
}
- } else if (le16_to_cpu(fe->icbTag.strategyType) != 4) {
+ brelse(ibh);
+ } else if (fe->icbTag.strategyType != cpu_to_le16(4)) {
printk(KERN_ERR "udf: unsupported strategy type: %d\n",
le16_to_cpu(fe->icbTag.strategyType));
brelse(bh);
{
struct fileEntry *fe;
struct extendedFileEntry *efe;
- time_t convtime;
- long convtime_usec;
int offset;
struct udf_sb_info *sbi = UDF_SB(inode->i_sb);
+ struct udf_inode_info *iinfo = UDF_I(inode);
fe = (struct fileEntry *)bh->b_data;
efe = (struct extendedFileEntry *)bh->b_data;
- if (le16_to_cpu(fe->icbTag.strategyType) == 4)
- UDF_I_STRAT4096(inode) = 0;
- else /* if (le16_to_cpu(fe->icbTag.strategyType) == 4096) */
- UDF_I_STRAT4096(inode) = 1;
+ if (fe->icbTag.strategyType == cpu_to_le16(4))
+ iinfo->i_strat4096 = 0;
+ else /* if (fe->icbTag.strategyType == cpu_to_le16(4096)) */
+ iinfo->i_strat4096 = 1;
- UDF_I_ALLOCTYPE(inode) = le16_to_cpu(fe->icbTag.flags) &
+ iinfo->i_alloc_type = le16_to_cpu(fe->icbTag.flags) &
ICBTAG_FLAG_AD_MASK;
- UDF_I_UNIQUE(inode) = 0;
- UDF_I_LENEATTR(inode) = 0;
- UDF_I_LENEXTENTS(inode) = 0;
- UDF_I_LENALLOC(inode) = 0;
- UDF_I_NEXT_ALLOC_BLOCK(inode) = 0;
- UDF_I_NEXT_ALLOC_GOAL(inode) = 0;
- if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_EFE) {
- UDF_I_EFE(inode) = 1;
- UDF_I_USE(inode) = 0;
+ iinfo->i_unique = 0;
+ iinfo->i_lenEAttr = 0;
+ iinfo->i_lenExtents = 0;
+ iinfo->i_lenAlloc = 0;
+ iinfo->i_next_alloc_block = 0;
+ iinfo->i_next_alloc_goal = 0;
+ if (fe->descTag.tagIdent == cpu_to_le16(TAG_IDENT_EFE)) {
+ iinfo->i_efe = 1;
+ iinfo->i_use = 0;
if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize -
sizeof(struct extendedFileEntry))) {
make_bad_inode(inode);
return;
}
- memcpy(UDF_I_DATA(inode),
+ memcpy(iinfo->i_ext.i_data,
bh->b_data + sizeof(struct extendedFileEntry),
inode->i_sb->s_blocksize -
sizeof(struct extendedFileEntry));
- } else if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_FE) {
- UDF_I_EFE(inode) = 0;
- UDF_I_USE(inode) = 0;
+ } else if (fe->descTag.tagIdent == cpu_to_le16(TAG_IDENT_FE)) {
+ iinfo->i_efe = 0;
+ iinfo->i_use = 0;
if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize -
sizeof(struct fileEntry))) {
make_bad_inode(inode);
return;
}
- memcpy(UDF_I_DATA(inode), bh->b_data + sizeof(struct fileEntry),
+ memcpy(iinfo->i_ext.i_data,
+ bh->b_data + sizeof(struct fileEntry),
inode->i_sb->s_blocksize - sizeof(struct fileEntry));
- } else if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_USE) {
- UDF_I_EFE(inode) = 0;
- UDF_I_USE(inode) = 1;
- UDF_I_LENALLOC(inode) = le32_to_cpu(
+ } else if (fe->descTag.tagIdent == cpu_to_le16(TAG_IDENT_USE)) {
+ iinfo->i_efe = 0;
+ iinfo->i_use = 1;
+ iinfo->i_lenAlloc = le32_to_cpu(
((struct unallocSpaceEntry *)bh->b_data)->
lengthAllocDescs);
if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize -
make_bad_inode(inode);
return;
}
- memcpy(UDF_I_DATA(inode),
+ memcpy(iinfo->i_ext.i_data,
bh->b_data + sizeof(struct unallocSpaceEntry),
inode->i_sb->s_blocksize -
sizeof(struct unallocSpaceEntry));
inode->i_nlink = 1;
inode->i_size = le64_to_cpu(fe->informationLength);
- UDF_I_LENEXTENTS(inode) = inode->i_size;
-
- inode->i_mode = udf_convert_permissions(fe);
- inode->i_mode &= ~UDF_SB(inode->i_sb)->s_umask;
+ iinfo->i_lenExtents = inode->i_size;
+
+ if (fe->icbTag.fileType != ICBTAG_FILE_TYPE_DIRECTORY &&
+ sbi->s_fmode != UDF_INVALID_MODE)
+ inode->i_mode = sbi->s_fmode;
+ else if (fe->icbTag.fileType == ICBTAG_FILE_TYPE_DIRECTORY &&
+ sbi->s_dmode != UDF_INVALID_MODE)
+ inode->i_mode = sbi->s_dmode;
+ else
+ inode->i_mode = udf_convert_permissions(fe);
+ inode->i_mode &= ~sbi->s_umask;
- if (UDF_I_EFE(inode) == 0) {
+ if (iinfo->i_efe == 0) {
inode->i_blocks = le64_to_cpu(fe->logicalBlocksRecorded) <<
(inode->i_sb->s_blocksize_bits - 9);
- if (udf_stamp_to_time(&convtime, &convtime_usec,
- lets_to_cpu(fe->accessTime))) {
- inode->i_atime.tv_sec = convtime;
- inode->i_atime.tv_nsec = convtime_usec * 1000;
- } else {
+ if (!udf_disk_stamp_to_time(&inode->i_atime, fe->accessTime))
inode->i_atime = sbi->s_record_time;
- }
- if (udf_stamp_to_time(&convtime, &convtime_usec,
- lets_to_cpu(fe->modificationTime))) {
- inode->i_mtime.tv_sec = convtime;
- inode->i_mtime.tv_nsec = convtime_usec * 1000;
- } else {
+ if (!udf_disk_stamp_to_time(&inode->i_mtime,
+ fe->modificationTime))
inode->i_mtime = sbi->s_record_time;
- }
- if (udf_stamp_to_time(&convtime, &convtime_usec,
- lets_to_cpu(fe->attrTime))) {
- inode->i_ctime.tv_sec = convtime;
- inode->i_ctime.tv_nsec = convtime_usec * 1000;
- } else {
+ if (!udf_disk_stamp_to_time(&inode->i_ctime, fe->attrTime))
inode->i_ctime = sbi->s_record_time;
- }
- UDF_I_UNIQUE(inode) = le64_to_cpu(fe->uniqueID);
- UDF_I_LENEATTR(inode) = le32_to_cpu(fe->lengthExtendedAttr);
- UDF_I_LENALLOC(inode) = le32_to_cpu(fe->lengthAllocDescs);
- offset = sizeof(struct fileEntry) + UDF_I_LENEATTR(inode);
+ iinfo->i_unique = le64_to_cpu(fe->uniqueID);
+ iinfo->i_lenEAttr = le32_to_cpu(fe->lengthExtendedAttr);
+ iinfo->i_lenAlloc = le32_to_cpu(fe->lengthAllocDescs);
+ offset = sizeof(struct fileEntry) + iinfo->i_lenEAttr;
} else {
inode->i_blocks = le64_to_cpu(efe->logicalBlocksRecorded) <<
(inode->i_sb->s_blocksize_bits - 9);
- if (udf_stamp_to_time(&convtime, &convtime_usec,
- lets_to_cpu(efe->accessTime))) {
- inode->i_atime.tv_sec = convtime;
- inode->i_atime.tv_nsec = convtime_usec * 1000;
- } else {
+ if (!udf_disk_stamp_to_time(&inode->i_atime, efe->accessTime))
inode->i_atime = sbi->s_record_time;
- }
- if (udf_stamp_to_time(&convtime, &convtime_usec,
- lets_to_cpu(efe->modificationTime))) {
- inode->i_mtime.tv_sec = convtime;
- inode->i_mtime.tv_nsec = convtime_usec * 1000;
- } else {
+ if (!udf_disk_stamp_to_time(&inode->i_mtime,
+ efe->modificationTime))
inode->i_mtime = sbi->s_record_time;
- }
- if (udf_stamp_to_time(&convtime, &convtime_usec,
- lets_to_cpu(efe->createTime))) {
- UDF_I_CRTIME(inode).tv_sec = convtime;
- UDF_I_CRTIME(inode).tv_nsec = convtime_usec * 1000;
- } else {
- UDF_I_CRTIME(inode) = sbi->s_record_time;
- }
+ if (!udf_disk_stamp_to_time(&iinfo->i_crtime, efe->createTime))
+ iinfo->i_crtime = sbi->s_record_time;
- if (udf_stamp_to_time(&convtime, &convtime_usec,
- lets_to_cpu(efe->attrTime))) {
- inode->i_ctime.tv_sec = convtime;
- inode->i_ctime.tv_nsec = convtime_usec * 1000;
- } else {
+ if (!udf_disk_stamp_to_time(&inode->i_ctime, efe->attrTime))
inode->i_ctime = sbi->s_record_time;
- }
- UDF_I_UNIQUE(inode) = le64_to_cpu(efe->uniqueID);
- UDF_I_LENEATTR(inode) = le32_to_cpu(efe->lengthExtendedAttr);
- UDF_I_LENALLOC(inode) = le32_to_cpu(efe->lengthAllocDescs);
+ iinfo->i_unique = le64_to_cpu(efe->uniqueID);
+ iinfo->i_lenEAttr = le32_to_cpu(efe->lengthExtendedAttr);
+ iinfo->i_lenAlloc = le32_to_cpu(efe->lengthAllocDescs);
offset = sizeof(struct extendedFileEntry) +
- UDF_I_LENEATTR(inode);
+ iinfo->i_lenEAttr;
}
switch (fe->icbTag.fileType) {
case ICBTAG_FILE_TYPE_REALTIME:
case ICBTAG_FILE_TYPE_REGULAR:
case ICBTAG_FILE_TYPE_UNDEF:
- if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB)
+ case ICBTAG_FILE_TYPE_VAT20:
+ if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB)
inode->i_data.a_ops = &udf_adinicb_aops;
else
inode->i_data.a_ops = &udf_aops;
break;
case ICBTAG_FILE_TYPE_SYMLINK:
inode->i_data.a_ops = &udf_symlink_aops;
- inode->i_op = &page_symlink_inode_operations;
+ inode->i_op = &udf_symlink_inode_operations;
inode->i_mode = S_IFLNK | S_IRWXUGO;
break;
+ case ICBTAG_FILE_TYPE_MAIN:
+ udf_debug("METADATA FILE-----\n");
+ break;
+ case ICBTAG_FILE_TYPE_MIRROR:
+ udf_debug("METADATA MIRROR FILE-----\n");
+ break;
+ case ICBTAG_FILE_TYPE_BITMAP:
+ udf_debug("METADATA BITMAP FILE-----\n");
+ break;
default:
printk(KERN_ERR "udf: udf_fill_inode(ino %ld) failed unknown "
"file type=%d\n", inode->i_ino,
static int udf_alloc_i_data(struct inode *inode, size_t size)
{
- UDF_I_DATA(inode) = kmalloc(size, GFP_KERNEL);
+ struct udf_inode_info *iinfo = UDF_I(inode);
+ iinfo->i_ext.i_data = kmalloc(size, GFP_KERNEL);
- if (!UDF_I_DATA(inode)) {
+ if (!iinfo->i_ext.i_data) {
printk(KERN_ERR "udf:udf_alloc_i_data (ino %ld) "
"no free memory\n", inode->i_ino);
return -ENOMEM;
return mode;
}
-/*
- * udf_write_inode
- *
- * PURPOSE
- * Write out the specified inode.
- *
- * DESCRIPTION
- * This routine is called whenever an inode is synced.
- * Currently this routine is just a placeholder.
- *
- * HISTORY
- * July 1, 1997 - Andrew E. Mileski
- * Written, tested, and released.
- */
-
-int udf_write_inode(struct inode *inode, int sync)
+int udf_write_inode(struct inode *inode, struct writeback_control *wbc)
{
int ret;
lock_kernel();
- ret = udf_update_inode(inode, sync);
+ ret = udf_update_inode(inode, wbc->sync_mode == WB_SYNC_ALL);
unlock_kernel();
return ret;
uint32_t udfperms;
uint16_t icbflags;
uint16_t crclen;
- kernel_timestamp cpu_time;
int err = 0;
struct udf_sb_info *sbi = UDF_SB(inode->i_sb);
unsigned char blocksize_bits = inode->i_sb->s_blocksize_bits;
+ struct udf_inode_info *iinfo = UDF_I(inode);
- bh = udf_tread(inode->i_sb,
- udf_get_lb_pblock(inode->i_sb,
- UDF_I_LOCATION(inode), 0));
+ bh = udf_tgetblk(inode->i_sb,
+ udf_get_lb_pblock(inode->i_sb, &iinfo->i_location, 0));
if (!bh) {
- udf_debug("bread failure\n");
- return -EIO;
+ udf_debug("getblk failure\n");
+ return -ENOMEM;
}
- memset(bh->b_data, 0x00, inode->i_sb->s_blocksize);
-
+ lock_buffer(bh);
+ memset(bh->b_data, 0, inode->i_sb->s_blocksize);
fe = (struct fileEntry *)bh->b_data;
efe = (struct extendedFileEntry *)bh->b_data;
- if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_USE) {
+ if (iinfo->i_use) {
struct unallocSpaceEntry *use =
(struct unallocSpaceEntry *)bh->b_data;
- use->lengthAllocDescs = cpu_to_le32(UDF_I_LENALLOC(inode));
+ use->lengthAllocDescs = cpu_to_le32(iinfo->i_lenAlloc);
memcpy(bh->b_data + sizeof(struct unallocSpaceEntry),
- UDF_I_DATA(inode), inode->i_sb->s_blocksize -
+ iinfo->i_ext.i_data, inode->i_sb->s_blocksize -
sizeof(struct unallocSpaceEntry));
+ use->descTag.tagIdent = cpu_to_le16(TAG_IDENT_USE);
+ use->descTag.tagLocation =
+ cpu_to_le32(iinfo->i_location.logicalBlockNum);
crclen = sizeof(struct unallocSpaceEntry) +
- UDF_I_LENALLOC(inode) - sizeof(tag);
- use->descTag.tagLocation = cpu_to_le32(
- UDF_I_LOCATION(inode).
- logicalBlockNum);
+ iinfo->i_lenAlloc - sizeof(struct tag);
use->descTag.descCRCLength = cpu_to_le16(crclen);
- use->descTag.descCRC = cpu_to_le16(udf_crc((char *)use +
- sizeof(tag), crclen,
- 0));
+ use->descTag.descCRC = cpu_to_le16(crc_itu_t(0, (char *)use +
+ sizeof(struct tag),
+ crclen));
use->descTag.tagChecksum = udf_tag_checksum(&use->descTag);
- mark_buffer_dirty(bh);
- brelse(bh);
- return err;
+ goto out;
}
if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_UID_FORGET))
fe->informationLength = cpu_to_le64(inode->i_size);
if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {
- regid *eid;
+ struct regid *eid;
struct deviceSpec *dsea =
(struct deviceSpec *)udf_get_extendedattr(inode, 12, 1);
if (!dsea) {
dsea = (struct deviceSpec *)
udf_add_extendedattr(inode,
sizeof(struct deviceSpec) +
- sizeof(regid), 12, 0x3);
+ sizeof(struct regid), 12, 0x3);
dsea->attrType = cpu_to_le32(12);
dsea->attrSubtype = 1;
dsea->attrLength = cpu_to_le32(
sizeof(struct deviceSpec) +
- sizeof(regid));
- dsea->impUseLength = cpu_to_le32(sizeof(regid));
+ sizeof(struct regid));
+ dsea->impUseLength = cpu_to_le32(sizeof(struct regid));
}
- eid = (regid *)dsea->impUse;
- memset(eid, 0, sizeof(regid));
+ eid = (struct regid *)dsea->impUse;
+ memset(eid, 0, sizeof(struct regid));
strcpy(eid->ident, UDF_ID_DEVELOPER);
eid->identSuffix[0] = UDF_OS_CLASS_UNIX;
eid->identSuffix[1] = UDF_OS_ID_LINUX;
dsea->minorDeviceIdent = cpu_to_le32(iminor(inode));
}
- if (UDF_I_EFE(inode) == 0) {
- memcpy(bh->b_data + sizeof(struct fileEntry), UDF_I_DATA(inode),
+ if (iinfo->i_efe == 0) {
+ memcpy(bh->b_data + sizeof(struct fileEntry),
+ iinfo->i_ext.i_data,
inode->i_sb->s_blocksize - sizeof(struct fileEntry));
fe->logicalBlocksRecorded = cpu_to_le64(
(inode->i_blocks + (1 << (blocksize_bits - 9)) - 1) >>
(blocksize_bits - 9));
- if (udf_time_to_stamp(&cpu_time, inode->i_atime))
- fe->accessTime = cpu_to_lets(cpu_time);
- if (udf_time_to_stamp(&cpu_time, inode->i_mtime))
- fe->modificationTime = cpu_to_lets(cpu_time);
- if (udf_time_to_stamp(&cpu_time, inode->i_ctime))
- fe->attrTime = cpu_to_lets(cpu_time);
- memset(&(fe->impIdent), 0, sizeof(regid));
+ udf_time_to_disk_stamp(&fe->accessTime, inode->i_atime);
+ udf_time_to_disk_stamp(&fe->modificationTime, inode->i_mtime);
+ udf_time_to_disk_stamp(&fe->attrTime, inode->i_ctime);
+ memset(&(fe->impIdent), 0, sizeof(struct regid));
strcpy(fe->impIdent.ident, UDF_ID_DEVELOPER);
fe->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX;
fe->impIdent.identSuffix[1] = UDF_OS_ID_LINUX;
- fe->uniqueID = cpu_to_le64(UDF_I_UNIQUE(inode));
- fe->lengthExtendedAttr = cpu_to_le32(UDF_I_LENEATTR(inode));
- fe->lengthAllocDescs = cpu_to_le32(UDF_I_LENALLOC(inode));
+ fe->uniqueID = cpu_to_le64(iinfo->i_unique);
+ fe->lengthExtendedAttr = cpu_to_le32(iinfo->i_lenEAttr);
+ fe->lengthAllocDescs = cpu_to_le32(iinfo->i_lenAlloc);
fe->descTag.tagIdent = cpu_to_le16(TAG_IDENT_FE);
crclen = sizeof(struct fileEntry);
} else {
memcpy(bh->b_data + sizeof(struct extendedFileEntry),
- UDF_I_DATA(inode),
+ iinfo->i_ext.i_data,
inode->i_sb->s_blocksize -
sizeof(struct extendedFileEntry));
efe->objectSize = cpu_to_le64(inode->i_size);
(inode->i_blocks + (1 << (blocksize_bits - 9)) - 1) >>
(blocksize_bits - 9));
- if (UDF_I_CRTIME(inode).tv_sec > inode->i_atime.tv_sec ||
- (UDF_I_CRTIME(inode).tv_sec == inode->i_atime.tv_sec &&
- UDF_I_CRTIME(inode).tv_nsec > inode->i_atime.tv_nsec))
- UDF_I_CRTIME(inode) = inode->i_atime;
-
- if (UDF_I_CRTIME(inode).tv_sec > inode->i_mtime.tv_sec ||
- (UDF_I_CRTIME(inode).tv_sec == inode->i_mtime.tv_sec &&
- UDF_I_CRTIME(inode).tv_nsec > inode->i_mtime.tv_nsec))
- UDF_I_CRTIME(inode) = inode->i_mtime;
-
- if (UDF_I_CRTIME(inode).tv_sec > inode->i_ctime.tv_sec ||
- (UDF_I_CRTIME(inode).tv_sec == inode->i_ctime.tv_sec &&
- UDF_I_CRTIME(inode).tv_nsec > inode->i_ctime.tv_nsec))
- UDF_I_CRTIME(inode) = inode->i_ctime;
-
- if (udf_time_to_stamp(&cpu_time, inode->i_atime))
- efe->accessTime = cpu_to_lets(cpu_time);
- if (udf_time_to_stamp(&cpu_time, inode->i_mtime))
- efe->modificationTime = cpu_to_lets(cpu_time);
- if (udf_time_to_stamp(&cpu_time, UDF_I_CRTIME(inode)))
- efe->createTime = cpu_to_lets(cpu_time);
- if (udf_time_to_stamp(&cpu_time, inode->i_ctime))
- efe->attrTime = cpu_to_lets(cpu_time);
-
- memset(&(efe->impIdent), 0, sizeof(regid));
+ if (iinfo->i_crtime.tv_sec > inode->i_atime.tv_sec ||
+ (iinfo->i_crtime.tv_sec == inode->i_atime.tv_sec &&
+ iinfo->i_crtime.tv_nsec > inode->i_atime.tv_nsec))
+ iinfo->i_crtime = inode->i_atime;
+
+ if (iinfo->i_crtime.tv_sec > inode->i_mtime.tv_sec ||
+ (iinfo->i_crtime.tv_sec == inode->i_mtime.tv_sec &&
+ iinfo->i_crtime.tv_nsec > inode->i_mtime.tv_nsec))
+ iinfo->i_crtime = inode->i_mtime;
+
+ if (iinfo->i_crtime.tv_sec > inode->i_ctime.tv_sec ||
+ (iinfo->i_crtime.tv_sec == inode->i_ctime.tv_sec &&
+ iinfo->i_crtime.tv_nsec > inode->i_ctime.tv_nsec))
+ iinfo->i_crtime = inode->i_ctime;
+
+ udf_time_to_disk_stamp(&efe->accessTime, inode->i_atime);
+ udf_time_to_disk_stamp(&efe->modificationTime, inode->i_mtime);
+ udf_time_to_disk_stamp(&efe->createTime, iinfo->i_crtime);
+ udf_time_to_disk_stamp(&efe->attrTime, inode->i_ctime);
+
+ memset(&(efe->impIdent), 0, sizeof(struct regid));
strcpy(efe->impIdent.ident, UDF_ID_DEVELOPER);
efe->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX;
efe->impIdent.identSuffix[1] = UDF_OS_ID_LINUX;
- efe->uniqueID = cpu_to_le64(UDF_I_UNIQUE(inode));
- efe->lengthExtendedAttr = cpu_to_le32(UDF_I_LENEATTR(inode));
- efe->lengthAllocDescs = cpu_to_le32(UDF_I_LENALLOC(inode));
+ efe->uniqueID = cpu_to_le64(iinfo->i_unique);
+ efe->lengthExtendedAttr = cpu_to_le32(iinfo->i_lenEAttr);
+ efe->lengthAllocDescs = cpu_to_le32(iinfo->i_lenAlloc);
efe->descTag.tagIdent = cpu_to_le16(TAG_IDENT_EFE);
crclen = sizeof(struct extendedFileEntry);
}
- if (UDF_I_STRAT4096(inode)) {
+ if (iinfo->i_strat4096) {
fe->icbTag.strategyType = cpu_to_le16(4096);
fe->icbTag.strategyParameter = cpu_to_le16(1);
fe->icbTag.numEntries = cpu_to_le16(2);
else if (S_ISSOCK(inode->i_mode))
fe->icbTag.fileType = ICBTAG_FILE_TYPE_SOCKET;
- icbflags = UDF_I_ALLOCTYPE(inode) |
+ icbflags = iinfo->i_alloc_type |
((inode->i_mode & S_ISUID) ? ICBTAG_FLAG_SETUID : 0) |
((inode->i_mode & S_ISGID) ? ICBTAG_FLAG_SETGID : 0) |
((inode->i_mode & S_ISVTX) ? ICBTAG_FLAG_STICKY : 0) |
fe->descTag.descVersion = cpu_to_le16(2);
fe->descTag.tagSerialNum = cpu_to_le16(sbi->s_serial_number);
fe->descTag.tagLocation = cpu_to_le32(
- UDF_I_LOCATION(inode).logicalBlockNum);
- crclen += UDF_I_LENEATTR(inode) + UDF_I_LENALLOC(inode) - sizeof(tag);
+ iinfo->i_location.logicalBlockNum);
+ crclen += iinfo->i_lenEAttr + iinfo->i_lenAlloc - sizeof(struct tag);
fe->descTag.descCRCLength = cpu_to_le16(crclen);
- fe->descTag.descCRC = cpu_to_le16(udf_crc((char *)fe + sizeof(tag),
- crclen, 0));
+ fe->descTag.descCRC = cpu_to_le16(crc_itu_t(0, (char *)fe + sizeof(struct tag),
+ crclen));
fe->descTag.tagChecksum = udf_tag_checksum(&fe->descTag);
+out:
+ set_buffer_uptodate(bh);
+ unlock_buffer(bh);
+
/* write the data blocks */
mark_buffer_dirty(bh);
if (do_sync) {
sync_dirty_buffer(bh);
- if (buffer_req(bh) && !buffer_uptodate(bh)) {
+ if (buffer_write_io_error(bh)) {
printk(KERN_WARNING "IO error syncing udf inode "
"[%s:%08lx]\n", inode->i_sb->s_id,
inode->i_ino);
return err;
}
-struct inode *udf_iget(struct super_block *sb, kernel_lb_addr ino)
+struct inode *udf_iget(struct super_block *sb, struct kernel_lb_addr *ino)
{
unsigned long block = udf_get_lb_pblock(sb, ino, 0);
struct inode *inode = iget_locked(sb, block);
return NULL;
if (inode->i_state & I_NEW) {
- memcpy(&UDF_I_LOCATION(inode), &ino, sizeof(kernel_lb_addr));
+ memcpy(&UDF_I(inode)->i_location, ino, sizeof(struct kernel_lb_addr));
__udf_read_inode(inode);
unlock_new_inode(inode);
}
if (is_bad_inode(inode))
goto out_iput;
- if (ino.logicalBlockNum >= UDF_SB(sb)->
- s_partmaps[ino.partitionReferenceNum].s_partition_len) {
+ if (ino->logicalBlockNum >= UDF_SB(sb)->
+ s_partmaps[ino->partitionReferenceNum].s_partition_len) {
udf_debug("block=%d, partition=%d out of range\n",
- ino.logicalBlockNum, ino.partitionReferenceNum);
+ ino->logicalBlockNum, ino->partitionReferenceNum);
make_bad_inode(inode);
goto out_iput;
}
}
int8_t udf_add_aext(struct inode *inode, struct extent_position *epos,
- kernel_lb_addr eloc, uint32_t elen, int inc)
+ struct kernel_lb_addr *eloc, uint32_t elen, int inc)
{
int adsize;
- short_ad *sad = NULL;
- long_ad *lad = NULL;
+ struct short_ad *sad = NULL;
+ struct long_ad *lad = NULL;
struct allocExtDesc *aed;
int8_t etype;
uint8_t *ptr;
+ struct udf_inode_info *iinfo = UDF_I(inode);
if (!epos->bh)
- ptr = UDF_I_DATA(inode) + epos->offset -
+ ptr = iinfo->i_ext.i_data + epos->offset -
udf_file_entry_alloc_offset(inode) +
- UDF_I_LENEATTR(inode);
+ iinfo->i_lenEAttr;
else
ptr = epos->bh->b_data + epos->offset;
- if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT)
- adsize = sizeof(short_ad);
- else if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_LONG)
- adsize = sizeof(long_ad);
+ if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT)
+ adsize = sizeof(struct short_ad);
+ else if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_LONG)
+ adsize = sizeof(struct long_ad);
else
return -1;
if (epos->offset + (2 * adsize) > inode->i_sb->s_blocksize) {
- char *sptr, *dptr;
+ unsigned char *sptr, *dptr;
struct buffer_head *nbh;
int err, loffset;
- kernel_lb_addr obloc = epos->block;
+ struct kernel_lb_addr obloc = epos->block;
epos->block.logicalBlockNum = udf_new_block(inode->i_sb, NULL,
obloc.partitionReferenceNum,
if (!epos->block.logicalBlockNum)
return -1;
nbh = udf_tgetblk(inode->i_sb, udf_get_lb_pblock(inode->i_sb,
- epos->block,
+ &epos->block,
0));
if (!nbh)
return -1;
if (epos->bh) {
aed = (struct allocExtDesc *)epos->bh->b_data;
- aed->lengthAllocDescs =
- cpu_to_le32(le32_to_cpu(
- aed->lengthAllocDescs) + adsize);
+ le32_add_cpu(&aed->lengthAllocDescs, adsize);
} else {
- UDF_I_LENALLOC(inode) += adsize;
+ iinfo->i_lenAlloc += adsize;
mark_inode_dirty(inode);
}
}
if (UDF_SB(inode->i_sb)->s_udfrev >= 0x0200)
udf_new_tag(nbh->b_data, TAG_IDENT_AED, 3, 1,
- epos->block.logicalBlockNum, sizeof(tag));
+ epos->block.logicalBlockNum, sizeof(struct tag));
else
udf_new_tag(nbh->b_data, TAG_IDENT_AED, 2, 1,
- epos->block.logicalBlockNum, sizeof(tag));
- switch (UDF_I_ALLOCTYPE(inode)) {
+ epos->block.logicalBlockNum, sizeof(struct tag));
+ switch (iinfo->i_alloc_type) {
case ICBTAG_FLAG_AD_SHORT:
- sad = (short_ad *)sptr;
+ sad = (struct short_ad *)sptr;
sad->extLength = cpu_to_le32(EXT_NEXT_EXTENT_ALLOCDECS |
inode->i_sb->s_blocksize);
sad->extPosition =
cpu_to_le32(epos->block.logicalBlockNum);
break;
case ICBTAG_FLAG_AD_LONG:
- lad = (long_ad *)sptr;
+ lad = (struct long_ad *)sptr;
lad->extLength = cpu_to_le32(EXT_NEXT_EXTENT_ALLOCDECS |
inode->i_sb->s_blocksize);
lad->extLocation = cpu_to_lelb(epos->block);
etype = udf_write_aext(inode, epos, eloc, elen, inc);
if (!epos->bh) {
- UDF_I_LENALLOC(inode) += adsize;
+ iinfo->i_lenAlloc += adsize;
mark_inode_dirty(inode);
} else {
aed = (struct allocExtDesc *)epos->bh->b_data;
- aed->lengthAllocDescs =
- cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) +
- adsize);
+ le32_add_cpu(&aed->lengthAllocDescs, adsize);
if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
UDF_SB(inode->i_sb)->s_udfrev >= 0x0201)
udf_update_tag(epos->bh->b_data,
}
int8_t udf_write_aext(struct inode *inode, struct extent_position *epos,
- kernel_lb_addr eloc, uint32_t elen, int inc)
+ struct kernel_lb_addr *eloc, uint32_t elen, int inc)
{
int adsize;
uint8_t *ptr;
- short_ad *sad;
- long_ad *lad;
+ struct short_ad *sad;
+ struct long_ad *lad;
+ struct udf_inode_info *iinfo = UDF_I(inode);
if (!epos->bh)
- ptr = UDF_I_DATA(inode) + epos->offset -
+ ptr = iinfo->i_ext.i_data + epos->offset -
udf_file_entry_alloc_offset(inode) +
- UDF_I_LENEATTR(inode);
+ iinfo->i_lenEAttr;
else
ptr = epos->bh->b_data + epos->offset;
- switch (UDF_I_ALLOCTYPE(inode)) {
+ switch (iinfo->i_alloc_type) {
case ICBTAG_FLAG_AD_SHORT:
- sad = (short_ad *)ptr;
+ sad = (struct short_ad *)ptr;
sad->extLength = cpu_to_le32(elen);
- sad->extPosition = cpu_to_le32(eloc.logicalBlockNum);
- adsize = sizeof(short_ad);
+ sad->extPosition = cpu_to_le32(eloc->logicalBlockNum);
+ adsize = sizeof(struct short_ad);
break;
case ICBTAG_FLAG_AD_LONG:
- lad = (long_ad *)ptr;
+ lad = (struct long_ad *)ptr;
lad->extLength = cpu_to_le32(elen);
- lad->extLocation = cpu_to_lelb(eloc);
+ lad->extLocation = cpu_to_lelb(*eloc);
memset(lad->impUse, 0x00, sizeof(lad->impUse));
- adsize = sizeof(long_ad);
+ adsize = sizeof(struct long_ad);
break;
default:
return -1;
}
int8_t udf_next_aext(struct inode *inode, struct extent_position *epos,
- kernel_lb_addr *eloc, uint32_t *elen, int inc)
+ struct kernel_lb_addr *eloc, uint32_t *elen, int inc)
{
int8_t etype;
epos->block = *eloc;
epos->offset = sizeof(struct allocExtDesc);
brelse(epos->bh);
- block = udf_get_lb_pblock(inode->i_sb, epos->block, 0);
+ block = udf_get_lb_pblock(inode->i_sb, &epos->block, 0);
epos->bh = udf_tread(inode->i_sb, block);
if (!epos->bh) {
udf_debug("reading block %d failed!\n", block);
}
int8_t udf_current_aext(struct inode *inode, struct extent_position *epos,
- kernel_lb_addr *eloc, uint32_t *elen, int inc)
+ struct kernel_lb_addr *eloc, uint32_t *elen, int inc)
{
int alen;
int8_t etype;
uint8_t *ptr;
- short_ad *sad;
- long_ad *lad;
+ struct short_ad *sad;
+ struct long_ad *lad;
+ struct udf_inode_info *iinfo = UDF_I(inode);
if (!epos->bh) {
if (!epos->offset)
epos->offset = udf_file_entry_alloc_offset(inode);
- ptr = UDF_I_DATA(inode) + epos->offset -
+ ptr = iinfo->i_ext.i_data + epos->offset -
udf_file_entry_alloc_offset(inode) +
- UDF_I_LENEATTR(inode);
+ iinfo->i_lenEAttr;
alen = udf_file_entry_alloc_offset(inode) +
- UDF_I_LENALLOC(inode);
+ iinfo->i_lenAlloc;
} else {
if (!epos->offset)
epos->offset = sizeof(struct allocExtDesc);
lengthAllocDescs);
}
- switch (UDF_I_ALLOCTYPE(inode)) {
+ switch (iinfo->i_alloc_type) {
case ICBTAG_FLAG_AD_SHORT:
sad = udf_get_fileshortad(ptr, alen, &epos->offset, inc);
if (!sad)
etype = le32_to_cpu(sad->extLength) >> 30;
eloc->logicalBlockNum = le32_to_cpu(sad->extPosition);
eloc->partitionReferenceNum =
- UDF_I_LOCATION(inode).partitionReferenceNum;
+ iinfo->i_location.partitionReferenceNum;
*elen = le32_to_cpu(sad->extLength) & UDF_EXTENT_LENGTH_MASK;
break;
case ICBTAG_FLAG_AD_LONG:
break;
default:
udf_debug("alloc_type = %d unsupported\n",
- UDF_I_ALLOCTYPE(inode));
+ iinfo->i_alloc_type);
return -1;
}
}
static int8_t udf_insert_aext(struct inode *inode, struct extent_position epos,
- kernel_lb_addr neloc, uint32_t nelen)
+ struct kernel_lb_addr neloc, uint32_t nelen)
{
- kernel_lb_addr oeloc;
+ struct kernel_lb_addr oeloc;
uint32_t oelen;
int8_t etype;
get_bh(epos.bh);
while ((etype = udf_next_aext(inode, &epos, &oeloc, &oelen, 0)) != -1) {
- udf_write_aext(inode, &epos, neloc, nelen, 1);
+ udf_write_aext(inode, &epos, &neloc, nelen, 1);
neloc = oeloc;
nelen = (etype << 30) | oelen;
}
- udf_add_aext(inode, &epos, neloc, nelen, 1);
+ udf_add_aext(inode, &epos, &neloc, nelen, 1);
brelse(epos.bh);
return (nelen >> 30);
}
int8_t udf_delete_aext(struct inode *inode, struct extent_position epos,
- kernel_lb_addr eloc, uint32_t elen)
+ struct kernel_lb_addr eloc, uint32_t elen)
{
struct extent_position oepos;
int adsize;
int8_t etype;
struct allocExtDesc *aed;
+ struct udf_inode_info *iinfo;
if (epos.bh) {
get_bh(epos.bh);
get_bh(epos.bh);
}
- if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT)
- adsize = sizeof(short_ad);
- else if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_LONG)
- adsize = sizeof(long_ad);
+ iinfo = UDF_I(inode);
+ if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT)
+ adsize = sizeof(struct short_ad);
+ else if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_LONG)
+ adsize = sizeof(struct long_ad);
else
adsize = 0;
return -1;
while ((etype = udf_next_aext(inode, &epos, &eloc, &elen, 1)) != -1) {
- udf_write_aext(inode, &oepos, eloc, (etype << 30) | elen, 1);
+ udf_write_aext(inode, &oepos, &eloc, (etype << 30) | elen, 1);
if (oepos.bh != epos.bh) {
oepos.block = epos.block;
brelse(oepos.bh);
oepos.offset = epos.offset - adsize;
}
}
- memset(&eloc, 0x00, sizeof(kernel_lb_addr));
+ memset(&eloc, 0x00, sizeof(struct kernel_lb_addr));
elen = 0;
if (epos.bh != oepos.bh) {
- udf_free_blocks(inode->i_sb, inode, epos.block, 0, 1);
- udf_write_aext(inode, &oepos, eloc, elen, 1);
- udf_write_aext(inode, &oepos, eloc, elen, 1);
+ udf_free_blocks(inode->i_sb, inode, &epos.block, 0, 1);
+ udf_write_aext(inode, &oepos, &eloc, elen, 1);
+ udf_write_aext(inode, &oepos, &eloc, elen, 1);
if (!oepos.bh) {
- UDF_I_LENALLOC(inode) -= (adsize * 2);
+ iinfo->i_lenAlloc -= (adsize * 2);
mark_inode_dirty(inode);
} else {
aed = (struct allocExtDesc *)oepos.bh->b_data;
- aed->lengthAllocDescs =
- cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) -
- (2 * adsize));
+ le32_add_cpu(&aed->lengthAllocDescs, -(2 * adsize));
if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
UDF_SB(inode->i_sb)->s_udfrev >= 0x0201)
udf_update_tag(oepos.bh->b_data,
mark_buffer_dirty_inode(oepos.bh, inode);
}
} else {
- udf_write_aext(inode, &oepos, eloc, elen, 1);
+ udf_write_aext(inode, &oepos, &eloc, elen, 1);
if (!oepos.bh) {
- UDF_I_LENALLOC(inode) -= adsize;
+ iinfo->i_lenAlloc -= adsize;
mark_inode_dirty(inode);
} else {
aed = (struct allocExtDesc *)oepos.bh->b_data;
- aed->lengthAllocDescs =
- cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) -
- adsize);
+ le32_add_cpu(&aed->lengthAllocDescs, -adsize);
if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
UDF_SB(inode->i_sb)->s_udfrev >= 0x0201)
udf_update_tag(oepos.bh->b_data,
}
int8_t inode_bmap(struct inode *inode, sector_t block,
- struct extent_position *pos, kernel_lb_addr *eloc,
+ struct extent_position *pos, struct kernel_lb_addr *eloc,
uint32_t *elen, sector_t *offset)
{
unsigned char blocksize_bits = inode->i_sb->s_blocksize_bits;
loff_t lbcount = 0, bcount =
(loff_t) block << blocksize_bits;
int8_t etype;
+ struct udf_inode_info *iinfo;
- if (block < 0) {
- printk(KERN_ERR "udf: inode_bmap: block < 0\n");
- return -1;
- }
-
+ iinfo = UDF_I(inode);
pos->offset = 0;
- pos->block = UDF_I_LOCATION(inode);
+ pos->block = iinfo->i_location;
pos->bh = NULL;
*elen = 0;
etype = udf_next_aext(inode, pos, eloc, elen, 1);
if (etype == -1) {
*offset = (bcount - lbcount) >> blocksize_bits;
- UDF_I_LENEXTENTS(inode) = lbcount;
+ iinfo->i_lenExtents = lbcount;
return -1;
}
lbcount += *elen;
long udf_block_map(struct inode *inode, sector_t block)
{
- kernel_lb_addr eloc;
+ struct kernel_lb_addr eloc;
uint32_t elen;
sector_t offset;
struct extent_position epos = {};
if (inode_bmap(inode, block, &epos, &eloc, &elen, &offset) ==
(EXT_RECORDED_ALLOCATED >> 30))
- ret = udf_get_lb_pblock(inode->i_sb, eloc, offset);
+ ret = udf_get_lb_pblock(inode->i_sb, &eloc, offset);
else
ret = 0;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff