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Subject[PATCH 2.6.32 13/62] Remove repeated loads blocksize
2.6.32-longterm review patch.  If anyone has any objections, please let me know.

------------------

From: Jan Kara <jack@suse.cz>

commit 79144954278d4bb5989f8b903adcac7a20ff2a5a upstream.

Store blocksize in a local variable in udf_fill_inode() since it is used
a lot of times.

Signed-off-by: Jan Kara <jack@suse.cz>
[bwh: Needed for the following fix. Backported to 2.6.32: adjust context.]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Willy Tarreau <w@1wt.eu>
---
fs/udf/inode.c | 19 ++++++++-----------
1 file changed, 8 insertions(+), 11 deletions(-)

diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 7901ad7..26b7f31 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -1157,6 +1157,7 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
int offset;
struct udf_sb_info *sbi = UDF_SB(inode->i_sb);
struct udf_inode_info *iinfo = UDF_I(inode);
+ int bs = inode->i_sb->s_blocksize;

fe = (struct fileEntry *)bh->b_data;
efe = (struct extendedFileEntry *)bh->b_data;
@@ -1177,41 +1178,38 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
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 -
+ if (udf_alloc_i_data(inode, bs -
sizeof(struct extendedFileEntry))) {
make_bad_inode(inode);
return;
}
memcpy(iinfo->i_ext.i_data,
bh->b_data + sizeof(struct extendedFileEntry),
- inode->i_sb->s_blocksize -
- sizeof(struct extendedFileEntry));
+ bs - sizeof(struct extendedFileEntry));
} 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))) {
+ if (udf_alloc_i_data(inode, bs - sizeof(struct fileEntry))) {
make_bad_inode(inode);
return;
}
memcpy(iinfo->i_ext.i_data,
bh->b_data + sizeof(struct fileEntry),
- inode->i_sb->s_blocksize - sizeof(struct fileEntry));
+ bs - sizeof(struct fileEntry));
} 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 -
+ if (udf_alloc_i_data(inode, bs -
sizeof(struct unallocSpaceEntry))) {
make_bad_inode(inode);
return;
}
memcpy(iinfo->i_ext.i_data,
bh->b_data + sizeof(struct unallocSpaceEntry),
- inode->i_sb->s_blocksize -
- sizeof(struct unallocSpaceEntry));
+ bs - sizeof(struct unallocSpaceEntry));
return;
}

@@ -1297,8 +1295,7 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
return;
}
/* File in ICB has to fit in there... */
- if (inode->i_size > inode->i_sb->s_blocksize -
- udf_file_entry_alloc_offset(inode)) {
+ if (inode->i_size > bs - udf_file_entry_alloc_offset(inode)) {
make_bad_inode(inode);
return;
}
--
1.7.12.2.21.g234cd45.dirty




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