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authorMarcin Slusarz <marcin.slusarz@gmail.com>2008-02-08 04:20:44 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-08 09:22:35 -0800
commit48d6d8ff7dca804536298e517298182c4a51c421 (patch)
tree8566ae59bdd01fb3568b6441b909d035dba7b61b /fs/udf/inode.c
parentc0b344385fa05f6bea462e707fcba89f9e2776c2 (diff)
udf: cache struct udf_inode_info
cache UDF_I(struct inode *) return values when there are at least 2 uses in one function Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Acked-by: Jan Kara <jack@suse.cz> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/udf/inode.c')
-rw-r--r--fs/udf/inode.c305
1 files changed, 162 insertions, 143 deletions
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index f746b9f1c03..6b4409f5019 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -112,6 +112,7 @@ no_delete:
*/
void udf_clear_inode(struct inode *inode)
{
+ struct udf_inode_info *iinfo;
if (!(inode->i_sb->s_flags & MS_RDONLY)) {
lock_kernel();
/* Discard preallocation for directories, symlinks, etc. */
@@ -120,8 +121,9 @@ void udf_clear_inode(struct inode *inode)
unlock_kernel();
write_inode_now(inode, 1);
}
- kfree(UDF_I(inode)->i_ext.i_data);
- UDF_I(inode)->i_ext.i_data = NULL;
+ iinfo = UDF_I(inode);
+ kfree(iinfo->i_ext.i_data);
+ iinfo->i_ext.i_data = NULL;
}
static int udf_writepage(struct page *page, struct writeback_control *wbc)
@@ -161,6 +163,7 @@ void udf_expand_file_adinicb(struct inode *inode, int newsize, int *err)
{
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,
@@ -169,11 +172,11 @@ void udf_expand_file_adinicb(struct inode *inode, int newsize, int *err)
/* from now on we have normal address_space methods */
inode->i_data.a_ops = &udf_aops;
- if (!UDF_I(inode)->i_lenAlloc) {
+ if (!iinfo->i_lenAlloc) {
if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD))
- UDF_I(inode)->i_alloc_type = ICBTAG_FLAG_AD_SHORT;
+ iinfo->i_alloc_type = ICBTAG_FLAG_AD_SHORT;
else
- UDF_I(inode)->i_alloc_type = ICBTAG_FLAG_AD_LONG;
+ iinfo->i_alloc_type = ICBTAG_FLAG_AD_LONG;
mark_inode_dirty(inode);
return;
}
@@ -183,21 +186,21 @@ void udf_expand_file_adinicb(struct inode *inode, int newsize, int *err)
if (!PageUptodate(page)) {
kaddr = kmap(page);
- memset(kaddr + UDF_I(inode)->i_lenAlloc, 0x00,
- PAGE_CACHE_SIZE - UDF_I(inode)->i_lenAlloc);
- memcpy(kaddr, UDF_I(inode)->i_ext.i_data +
- UDF_I(inode)->i_lenEAttr, UDF_I(inode)->i_lenAlloc);
+ 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(inode)->i_ext.i_data + UDF_I(inode)->i_lenEAttr, 0x00,
- UDF_I(inode)->i_lenAlloc);
- UDF_I(inode)->i_lenAlloc = 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(inode)->i_alloc_type = ICBTAG_FLAG_AD_SHORT;
+ iinfo->i_alloc_type = ICBTAG_FLAG_AD_SHORT;
else
- UDF_I(inode)->i_alloc_type = 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);
@@ -219,6 +222,7 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block,
loff_t f_pos = udf_ext0_offset(inode) >> 2;
int size = (udf_ext0_offset(inode) + inode->i_size) >> 2;
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;
@@ -226,19 +230,19 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block,
alloctype = ICBTAG_FLAG_AD_LONG;
if (!inode->i_size) {
- UDF_I(inode)->i_alloc_type = 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(inode)->i_location.partitionReferenceNum,
- UDF_I(inode)->i_location.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(inode)->i_location.partitionReferenceNum,
+ iinfo->i_location.partitionReferenceNum,
0);
if (!newblock)
return NULL;
@@ -257,14 +261,14 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block,
dfibh.soffset = dfibh.eoffset = 0;
dfibh.sbh = dfibh.ebh = dbh;
while ((f_pos < size)) {
- UDF_I(inode)->i_alloc_type = ICBTAG_FLAG_AD_IN_ICB;
+ 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(inode)->i_alloc_type = alloctype;
+ iinfo->i_alloc_type = alloctype;
sfi->descTag.tagLocation = cpu_to_le32(*block);
dfibh.soffset = dfibh.eoffset;
dfibh.eoffset += (sfibh.eoffset - sfibh.soffset);
@@ -272,23 +276,23 @@ struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block,
if (udf_write_fi(inode, sfi, dfi, &dfibh, sfi->impUse,
sfi->fileIdent +
le16_to_cpu(sfi->lengthOfImpUse))) {
- UDF_I(inode)->i_alloc_type = 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(inode)->i_ext.i_data + UDF_I(inode)->i_lenEAttr, 0,
- UDF_I(inode)->i_lenAlloc);
- UDF_I(inode)->i_lenAlloc = 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(inode)->i_location.partitionReferenceNum;
+ iinfo->i_location.partitionReferenceNum;
elen = inode->i_size;
- UDF_I(inode)->i_lenExtents = elen;
+ iinfo->i_lenExtents = elen;
epos.bh = NULL;
- epos.block = UDF_I(inode)->i_location;
+ epos.block = iinfo->i_location;
epos.offset = udf_file_entry_alloc_offset(inode);
udf_add_aext(inode, &epos, eloc, elen, 0);
/* UniqueID stuff */
@@ -304,6 +308,7 @@ static int udf_get_block(struct inode *inode, sector_t block,
int err, new;
struct buffer_head *bh;
unsigned long phys;
+ struct udf_inode_info *iinfo;
if (!create) {
phys = udf_block_map(inode, block);
@@ -321,9 +326,10 @@ static int udf_get_block(struct inode *inode, sector_t block,
if (block < 0)
goto abort_negative;
- if (block == UDF_I(inode)->i_next_alloc_block + 1) {
- UDF_I(inode)->i_next_alloc_block++;
- UDF_I(inode)->i_next_alloc_goal++;
+ iinfo = UDF_I(inode);
+ if (block == iinfo->i_next_alloc_block + 1) {
+ iinfo->i_next_alloc_block++;
+ iinfo->i_next_alloc_goal++;
}
err = 0;
@@ -380,20 +386,22 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos,
struct super_block *sb = inode->i_sb;
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(inode)->i_lenExtents =
- (UDF_I(inode)->i_lenExtents + sb->s_blocksize - 1) &
+ iinfo->i_lenExtents =
+ (iinfo->i_lenExtents + sb->s_blocksize - 1) &
~(sb->s_blocksize - 1);
}
@@ -470,9 +478,9 @@ out:
}
/* last_pos should point to the last written extent... */
- if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_SHORT)
+ if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT)
last_pos->offset -= sizeof(short_ad);
- else if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_LONG)
+ else if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_LONG)
last_pos->offset -= sizeof(long_ad);
else
return -1;
@@ -495,11 +503,12 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
uint32_t newblocknum, newblock;
sector_t offset = 0;
int8_t etype;
- int goal = 0, pgoal = UDF_I(inode)->i_location.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(inode)->i_location;
+ 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;
@@ -649,24 +658,23 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
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(inode)->i_next_alloc_block == block)
- goal = UDF_I(inode)->i_next_alloc_goal;
+ 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(inode)->
- i_location.logicalBlockNum + 1;
+ goal = iinfo->i_location.logicalBlockNum + 1;
}
newblocknum = udf_new_block(inode->i_sb, inode,
- UDF_I(inode)->i_location.partitionReferenceNum,
+ iinfo->i_location.partitionReferenceNum,
goal, err);
if (!newblocknum) {
brelse(prev_epos.bh);
*err = -ENOSPC;
return NULL;
}
- UDF_I(inode)->i_lenExtents += inode->i_sb->s_blocksize;
+ iinfo->i_lenExtents += inode->i_sb->s_blocksize;
}
/* if the extent the requsted block is located in contains multiple
@@ -691,14 +699,14 @@ static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
brelse(prev_epos.bh);
newblock = udf_get_pblock(inode->i_sb, newblocknum,
- UDF_I(inode)->i_location.partitionReferenceNum, 0);
+ iinfo->i_location.partitionReferenceNum, 0);
if (!newblock)
return NULL;
*phys = newblock;
*err = 0;
*new = 1;
- UDF_I(inode)->i_next_alloc_block = block;
- UDF_I(inode)->i_next_alloc_goal = 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))
@@ -1027,6 +1035,7 @@ void udf_truncate(struct inode *inode)
{
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)))
@@ -1035,25 +1044,24 @@ void udf_truncate(struct inode *inode)
return;
lock_kernel();
- if (UDF_I(inode)->i_alloc_type == 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(inode)->i_alloc_type ==
- ICBTAG_FLAG_AD_IN_ICB) {
- inode->i_size = UDF_I(inode)->i_lenAlloc;
+ 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(inode)->i_ext.i_data +
- UDF_I(inode)->i_lenEAttr + offset,
+ 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(inode)->i_lenAlloc = inode->i_size;
+ iinfo->i_lenAlloc = inode->i_size;
}
} else {
block_truncate_page(inode->i_mapping, inode->i_size,
@@ -1074,6 +1082,7 @@ static void __udf_read_inode(struct inode *inode)
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!
@@ -1087,7 +1096,7 @@ static void __udf_read_inode(struct inode *inode)
* i_nlink = 1
* i_op = NULL;
*/
- bh = udf_read_ptagged(inode->i_sb, UDF_I(inode)->i_location, 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);
@@ -1110,7 +1119,7 @@ static void __udf_read_inode(struct inode *inode)
struct buffer_head *ibh = NULL, *nbh = NULL;
struct indirectEntry *ie;
- ibh = udf_read_ptagged(inode->i_sb, UDF_I(inode)->i_location, 1,
+ ibh = udf_read_ptagged(inode->i_sb, iinfo->i_location, 1,
&ident);
if (ident == TAG_IDENT_IE) {
if (ibh) {
@@ -1124,7 +1133,7 @@ static void __udf_read_inode(struct inode *inode)
&ident))) {
if (ident == TAG_IDENT_FE ||
ident == TAG_IDENT_EFE) {
- memcpy(&UDF_I(inode)->i_location,
+ memcpy(&iinfo->i_location,
&loc,
sizeof(kernel_lb_addr));
brelse(bh);
@@ -1163,50 +1172,51 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
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 (fe->icbTag.strategyType == cpu_to_le16(4))
- UDF_I(inode)->i_strat4096 = 0;
+ iinfo->i_strat4096 = 0;
else /* if (fe->icbTag.strategyType == cpu_to_le16(4096)) */
- UDF_I(inode)->i_strat4096 = 1;
+ iinfo->i_strat4096 = 1;
- UDF_I(inode)->i_alloc_type = le16_to_cpu(fe->icbTag.flags) &
+ iinfo->i_alloc_type = le16_to_cpu(fe->icbTag.flags) &
ICBTAG_FLAG_AD_MASK;
- UDF_I(inode)->i_unique = 0;
- UDF_I(inode)->i_lenEAttr = 0;
- UDF_I(inode)->i_lenExtents = 0;
- UDF_I(inode)->i_lenAlloc = 0;
- UDF_I(inode)->i_next_alloc_block = 0;
- UDF_I(inode)->i_next_alloc_goal = 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)) {
- UDF_I(inode)->i_efe = 1;
- UDF_I(inode)->i_use = 0;
+ 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(inode)->i_ext.i_data,
+ memcpy(iinfo->i_ext.i_data,
bh->b_data + sizeof(struct extendedFileEntry),
inode->i_sb->s_blocksize -
sizeof(struct extendedFileEntry));
} else if (fe->descTag.tagIdent == cpu_to_le16(TAG_IDENT_FE)) {
- UDF_I(inode)->i_efe = 0;
- UDF_I(inode)->i_use = 0;
+ 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(inode)->i_ext.i_data,
+ memcpy(iinfo->i_ext.i_data,
bh->b_data + sizeof(struct fileEntry),
inode->i_sb->s_blocksize - sizeof(struct fileEntry));
} else if (fe->descTag.tagIdent == cpu_to_le16(TAG_IDENT_USE)) {
- UDF_I(inode)->i_efe = 0;
- UDF_I(inode)->i_use = 1;
- UDF_I(inode)->i_lenAlloc = le32_to_cpu(
+ 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 -
@@ -1214,7 +1224,7 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
make_bad_inode(inode);
return;
}
- memcpy(UDF_I(inode)->i_ext.i_data,
+ memcpy(iinfo->i_ext.i_data,
bh->b_data + sizeof(struct unallocSpaceEntry),
inode->i_sb->s_blocksize -
sizeof(struct unallocSpaceEntry));
@@ -1238,12 +1248,12 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
inode->i_nlink = 1;
inode->i_size = le64_to_cpu(fe->informationLength);
- UDF_I(inode)->i_lenExtents = inode->i_size;
+ iinfo->i_lenExtents = inode->i_size;
inode->i_mode = udf_convert_permissions(fe);
inode->i_mode &= ~UDF_SB(inode->i_sb)->s_umask;
- if (UDF_I(inode)->i_efe == 0) {
+ if (iinfo->i_efe == 0) {
inode->i_blocks = le64_to_cpu(fe->logicalBlocksRecorded) <<
(inode->i_sb->s_blocksize_bits - 9);
@@ -1271,10 +1281,10 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
inode->i_ctime = sbi->s_record_time;
}
- UDF_I(inode)->i_unique = le64_to_cpu(fe->uniqueID);
- UDF_I(inode)->i_lenEAttr = le32_to_cpu(fe->lengthExtendedAttr);
- UDF_I(inode)->i_lenAlloc = le32_to_cpu(fe->lengthAllocDescs);
- offset = sizeof(struct fileEntry) + UDF_I(inode)->i_lenEAttr;
+ 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);
@@ -1297,10 +1307,10 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
if (udf_stamp_to_time(&convtime, &convtime_usec,
lets_to_cpu(efe->createTime))) {
- UDF_I(inode)->i_crtime.tv_sec = convtime;
- UDF_I(inode)->i_crtime.tv_nsec = convtime_usec * 1000;
+ iinfo->i_crtime.tv_sec = convtime;
+ iinfo->i_crtime.tv_nsec = convtime_usec * 1000;
} else {
- UDF_I(inode)->i_crtime = sbi->s_record_time;
+ iinfo->i_crtime = sbi->s_record_time;
}
if (udf_stamp_to_time(&convtime, &convtime_usec,
@@ -1311,11 +1321,11 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
inode->i_ctime = sbi->s_record_time;
}
- UDF_I(inode)->i_unique = le64_to_cpu(efe->uniqueID);
- UDF_I(inode)->i_lenEAttr = le32_to_cpu(efe->lengthExtendedAttr);
- UDF_I(inode)->i_lenAlloc = 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(inode)->i_lenEAttr;
+ iinfo->i_lenEAttr;
}
switch (fe->icbTag.fileType) {
@@ -1328,7 +1338,7 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
case ICBTAG_FILE_TYPE_REALTIME:
case ICBTAG_FILE_TYPE_REGULAR:
case ICBTAG_FILE_TYPE_UNDEF:
- if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB)
+ 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;
@@ -1375,9 +1385,10 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
static int udf_alloc_i_data(struct inode *inode, size_t size)
{
- UDF_I(inode)->i_ext.i_data = kmalloc(size, GFP_KERNEL);
+ struct udf_inode_info *iinfo = UDF_I(inode);
+ iinfo->i_ext.i_data = kmalloc(size, GFP_KERNEL);
- if (!UDF_I(inode)->i_ext.i_data) {
+ 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;
@@ -1448,10 +1459,11 @@ static int udf_update_inode(struct inode *inode, int do_sync)
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(inode)->i_location, 0));
+ iinfo->i_location, 0));
if (!bh) {
udf_debug("bread failure\n");
return -EIO;
@@ -1466,14 +1478,14 @@ static int udf_update_inode(struct inode *inode, int do_sync)
struct unallocSpaceEntry *use =
(struct unallocSpaceEntry *)bh->b_data;
- use->lengthAllocDescs = cpu_to_le32(UDF_I(inode)->i_lenAlloc);
+ use->lengthAllocDescs = cpu_to_le32(iinfo->i_lenAlloc);
memcpy(bh->b_data + sizeof(struct unallocSpaceEntry),
- UDF_I(inode)->i_ext.i_data, inode->i_sb->s_blocksize -
+ iinfo->i_ext.i_data, inode->i_sb->s_blocksize -
sizeof(struct unallocSpaceEntry));
crclen = sizeof(struct unallocSpaceEntry) +
- UDF_I(inode)->i_lenAlloc - sizeof(tag);
+ iinfo->i_lenAlloc - sizeof(tag);
use->descTag.tagLocation = cpu_to_le32(
- UDF_I(inode)->i_location.
+ iinfo->i_location.
logicalBlockNum);
use->descTag.descCRCLength = cpu_to_le16(crclen);
use->descTag.descCRC = cpu_to_le16(udf_crc((char *)use +
@@ -1538,9 +1550,9 @@ static int udf_update_inode(struct inode *inode, int do_sync)
dsea->minorDeviceIdent = cpu_to_le32(iminor(inode));
}
- if (UDF_I(inode)->i_efe == 0) {
+ if (iinfo->i_efe == 0) {
memcpy(bh->b_data + sizeof(struct fileEntry),
- UDF_I(inode)->i_ext.i_data,
+ 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) >>
@@ -1556,14 +1568,14 @@ static int udf_update_inode(struct inode *inode, int do_sync)
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(inode)->i_unique);
- fe->lengthExtendedAttr = cpu_to_le32(UDF_I(inode)->i_lenEAttr);
- fe->lengthAllocDescs = cpu_to_le32(UDF_I(inode)->i_lenAlloc);
+ 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(inode)->i_ext.i_data,
+ iinfo->i_ext.i_data,
inode->i_sb->s_blocksize -
sizeof(struct extendedFileEntry));
efe->objectSize = cpu_to_le64(inode->i_size);
@@ -1571,26 +1583,26 @@ static int udf_update_inode(struct inode *inode, int do_sync)
(inode->i_blocks + (1 << (blocksize_bits - 9)) - 1) >>
(blocksize_bits - 9));
- if (UDF_I(inode)->i_crtime.tv_sec > inode->i_atime.tv_sec ||
- (UDF_I(inode)->i_crtime.tv_sec == inode->i_atime.tv_sec &&
- UDF_I(inode)->i_crtime.tv_nsec > inode->i_atime.tv_nsec))
- UDF_I(inode)->i_crtime = inode->i_atime;
+ 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 (UDF_I(inode)->i_crtime.tv_sec > inode->i_mtime.tv_sec ||
- (UDF_I(inode)->i_crtime.tv_sec == inode->i_mtime.tv_sec &&
- UDF_I(inode)->i_crtime.tv_nsec > inode->i_mtime.tv_nsec))
- UDF_I(inode)->i_crtime = inode->i_mtime;
+ 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 (UDF_I(inode)->i_crtime.tv_sec > inode->i_ctime.tv_sec ||
- (UDF_I(inode)->i_crtime.tv_sec == inode->i_ctime.tv_sec &&
- UDF_I(inode)->i_crtime.tv_nsec > inode->i_ctime.tv_nsec))
- UDF_I(inode)->i_crtime = inode->i_ctime;
+ 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;
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(inode)->i_crtime))
+ if (udf_time_to_stamp(&cpu_time, iinfo->i_crtime))
efe->createTime = cpu_to_lets(cpu_time);
if (udf_time_to_stamp(&cpu_time, inode->i_ctime))
efe->attrTime = cpu_to_lets(cpu_time);
@@ -1599,13 +1611,13 @@ static int udf_update_inode(struct inode *inode, int do_sync)
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(inode)->i_unique);
- efe->lengthExtendedAttr = cpu_to_le32(UDF_I(inode)->i_lenEAttr);
- efe->lengthAllocDescs = cpu_to_le32(UDF_I(inode)->i_lenAlloc);
+ 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(inode)->i_strat4096) {
+ 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);
@@ -1629,7 +1641,7 @@ static int udf_update_inode(struct inode *inode, int do_sync)
else if (S_ISSOCK(inode->i_mode))
fe->icbTag.fileType = ICBTAG_FILE_TYPE_SOCKET;
- icbflags = UDF_I(inode)->i_alloc_type |
+ 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) |
@@ -1644,8 +1656,8 @@ static int udf_update_inode(struct inode *inode, int do_sync)
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(inode)->i_location.logicalBlockNum);
- crclen += UDF_I(inode)->i_lenEAttr + UDF_I(inode)->i_lenAlloc -
+ iinfo->i_location.logicalBlockNum);
+ crclen += iinfo->i_lenEAttr + iinfo->i_lenAlloc -
sizeof(tag);
fe->descTag.descCRCLength = cpu_to_le16(crclen);
fe->descTag.descCRC = cpu_to_le16(udf_crc((char *)fe + sizeof(tag),
@@ -1709,17 +1721,18 @@ int8_t udf_add_aext(struct inode *inode, struct extent_position *epos,
struct allocExtDesc *aed;
int8_t etype;
uint8_t *ptr;
+ struct udf_inode_info *iinfo = UDF_I(inode);
if (!epos->bh)
- ptr = UDF_I(inode)->i_ext.i_data + epos->offset -
+ ptr = iinfo->i_ext.i_data + epos->offset -
udf_file_entry_alloc_offset(inode) +
- UDF_I(inode)->i_lenEAttr;
+ iinfo->i_lenEAttr;
else
ptr = epos->bh->b_data + epos->offset;
- if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_SHORT)
+ if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT)
adsize = sizeof(short_ad);
- else if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_LONG)
+ else if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_LONG)
adsize = sizeof(long_ad);
else
return -1;
@@ -1769,7 +1782,7 @@ int8_t udf_add_aext(struct inode *inode, struct extent_position *epos,
cpu_to_le32(le32_to_cpu(
aed->lengthAllocDescs) + adsize);
} else {
- UDF_I(inode)->i_lenAlloc += adsize;
+ iinfo->i_lenAlloc += adsize;
mark_inode_dirty(inode);
}
}
@@ -1779,7 +1792,7 @@ int8_t udf_add_aext(struct inode *inode, struct extent_position *epos,
else
udf_new_tag(nbh->b_data, TAG_IDENT_AED, 2, 1,
epos->block.logicalBlockNum, sizeof(tag));
- switch (UDF_I(inode)->i_alloc_type) {
+ switch (iinfo->i_alloc_type) {
case ICBTAG_FLAG_AD_SHORT:
sad = (short_ad *)sptr;
sad->extLength = cpu_to_le32(EXT_NEXT_EXTENT_ALLOCDECS |
@@ -1813,7 +1826,7 @@ int8_t udf_add_aext(struct inode *inode, struct extent_position *epos,
etype = udf_write_aext(inode, epos, eloc, elen, inc);
if (!epos->bh) {
- UDF_I(inode)->i_lenAlloc += adsize;
+ iinfo->i_lenAlloc += adsize;
mark_inode_dirty(inode);
} else {
aed = (struct allocExtDesc *)epos->bh->b_data;
@@ -1840,15 +1853,16 @@ int8_t udf_write_aext(struct inode *inode, struct extent_position *epos,
uint8_t *ptr;
short_ad *sad;
long_ad *lad;
+ struct udf_inode_info *iinfo = UDF_I(inode);
if (!epos->bh)
- ptr = UDF_I(inode)->i_ext.i_data + epos->offset -
+ ptr = iinfo->i_ext.i_data + epos->offset -
udf_file_entry_alloc_offset(inode) +
- UDF_I(inode)->i_lenEAttr;
+ iinfo->i_lenEAttr;
else
ptr = epos->bh->b_data + epos->offset;
- switch (UDF_I(inode)->i_alloc_type) {
+ switch (iinfo->i_alloc_type) {
case ICBTAG_FLAG_AD_SHORT:
sad = (short_ad *)ptr;
sad->extLength = cpu_to_le32(elen);
@@ -1916,15 +1930,16 @@ int8_t udf_current_aext(struct inode *inode, struct extent_position *epos,
uint8_t *ptr;
short_ad *sad;
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(inode)->i_ext.i_data + epos->offset -
+ ptr = iinfo->i_ext.i_data + epos->offset -
udf_file_entry_alloc_offset(inode) +
- UDF_I(inode)->i_lenEAttr;
+ iinfo->i_lenEAttr;
alen = udf_file_entry_alloc_offset(inode) +
- UDF_I(inode)->i_lenAlloc;
+ iinfo->i_lenAlloc;
} else {
if (!epos->offset)
epos->offset = sizeof(struct allocExtDesc);
@@ -1934,7 +1949,7 @@ int8_t udf_current_aext(struct inode *inode, struct extent_position *epos,
lengthAllocDescs);
}
- switch (UDF_I(inode)->i_alloc_type) {
+ switch (iinfo->i_alloc_type) {
case ICBTAG_FLAG_AD_SHORT:
sad = udf_get_fileshortad(ptr, alen, &epos->offset, inc);
if (!sad)
@@ -1942,7 +1957,7 @@ int8_t udf_current_aext(struct inode *inode, struct extent_position *epos,
etype = le32_to_cpu(sad->extLength) >> 30;
eloc->logicalBlockNum = le32_to_cpu(sad->extPosition);
eloc->partitionReferenceNum =
- UDF_I(inode)->i_location.partitionReferenceNum;
+ iinfo->i_location.partitionReferenceNum;
*elen = le32_to_cpu(sad->extLength) & UDF_EXTENT_LENGTH_MASK;
break;
case ICBTAG_FLAG_AD_LONG:
@@ -1955,7 +1970,7 @@ int8_t udf_current_aext(struct inode *inode, struct extent_position *epos,
break;
default:
udf_debug("alloc_type = %d unsupported\n",
- UDF_I(inode)->i_alloc_type);
+ iinfo->i_alloc_type);
return -1;
}
@@ -1990,15 +2005,17 @@ int8_t udf_delete_aext(struct inode *inode, struct extent_position epos,
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(inode)->i_alloc_type == ICBTAG_FLAG_AD_SHORT)
+ iinfo = UDF_I(inode);
+ if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT)
adsize = sizeof(short_ad);
- else if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_LONG)
+ else if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_LONG)
adsize = sizeof(long_ad);
else
adsize = 0;
@@ -2025,7 +2042,7 @@ int8_t udf_delete_aext(struct inode *inode, struct extent_position epos,
udf_write_aext(inode, &oepos, eloc, elen, 1);
udf_write_aext(inode, &oepos, eloc, elen, 1);
if (!oepos.bh) {
- UDF_I(inode)->i_lenAlloc -= (adsize * 2);
+ iinfo->i_lenAlloc -= (adsize * 2);
mark_inode_dirty(inode);
} else {
aed = (struct allocExtDesc *)oepos.bh->b_data;
@@ -2044,7 +2061,7 @@ int8_t udf_delete_aext(struct inode *inode, struct extent_position epos,
} else {
udf_write_aext(inode, &oepos, eloc, elen, 1);
if (!oepos.bh) {
- UDF_I(inode)->i_lenAlloc -= adsize;
+ iinfo->i_lenAlloc -= adsize;
mark_inode_dirty(inode);
} else {
aed = (struct allocExtDesc *)oepos.bh->b_data;
@@ -2076,14 +2093,16 @@ int8_t inode_bmap(struct inode *inode, sector_t block,
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(inode)->i_location;
+ pos->block = iinfo->i_location;
pos->bh = NULL;
*elen = 0;
@@ -2091,7 +2110,7 @@ int8_t inode_bmap(struct inode *inode, sector_t block,
etype = udf_next_aext(inode, pos, eloc, elen, 1);
if (etype == -1) {
*offset = (bcount - lbcount) >> blocksize_bits;
- UDF_I(inode)->i_lenExtents = lbcount;
+ iinfo->i_lenExtents = lbcount;
return -1;
}
lbcount += *elen;