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udf: convert byte order of constant instead of variable

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convert byte order of constant instead of variable,
which can be done at compile time (vs run time)

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>
This commit is contained in:
Marcin Slusarz 2008-02-08 04:20:41 -08:00 committed by Linus Torvalds
parent 4daa1b8799
commit 5e0f001736
4 changed files with 24 additions and 24 deletions
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4
fs/udf/directory.c
View File

@ -225,7 +225,7 @@ struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize, int *offset)
if ((*offset > 0) && (*offset < bufsize))
ptr += *offset;
fi = (struct fileIdentDesc *)ptr;
if (le16_to_cpu(fi->descTag.tagIdent) != TAG_IDENT_FID) {
if (fi->descTag.tagIdent != cpu_to_le16(TAG_IDENT_FID)) {
udf_debug("0x%x != TAG_IDENT_FID\n",
le16_to_cpu(fi->descTag.tagIdent));
udf_debug("offset: %u sizeof: %lu bufsize: %u\n",
@ -262,7 +262,7 @@ static extent_ad *udf_get_fileextent(void *buffer, int bufsize, int *offset)
fe = (struct fileEntry *)buffer;
if (le16_to_cpu(fe->descTag.tagIdent) != TAG_IDENT_FE) {
if (fe->descTag.tagIdent != cpu_to_le16(TAG_IDENT_FE)) {
udf_debug("0x%x != TAG_IDENT_FE\n",
le16_to_cpu(fe->descTag.tagIdent));
return NULL;

16
fs/udf/inode.c
View File

@ -1103,7 +1103,7 @@ static void __udf_read_inode(struct inode *inode)
fe = (struct fileEntry *)bh->b_data;
if (le16_to_cpu(fe->icbTag.strategyType) == 4096) {
if (fe->icbTag.strategyType == cpu_to_le16(4096)) {
struct buffer_head *ibh = NULL, *nbh = NULL;
struct indirectEntry *ie;
@ -1140,7 +1140,7 @@ static void __udf_read_inode(struct inode *inode)
} else {
brelse(ibh);
}
} else if (le16_to_cpu(fe->icbTag.strategyType) != 4) {
} 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);
@ -1164,9 +1164,9 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
fe = (struct fileEntry *)bh->b_data;
efe = (struct extendedFileEntry *)bh->b_data;
if (le16_to_cpu(fe->icbTag.strategyType) == 4)
if (fe->icbTag.strategyType == cpu_to_le16(4))
UDF_I_STRAT4096(inode) = 0;
else /* if (le16_to_cpu(fe->icbTag.strategyType) == 4096) */
else /* if (fe->icbTag.strategyType == cpu_to_le16(4096)) */
UDF_I_STRAT4096(inode) = 1;
UDF_I_ALLOCTYPE(inode) = le16_to_cpu(fe->icbTag.flags) &
@ -1177,7 +1177,7 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
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) {
if (fe->descTag.tagIdent == cpu_to_le16(TAG_IDENT_EFE)) {
UDF_I_EFE(inode) = 1;
UDF_I_USE(inode) = 0;
if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize -
@ -1189,7 +1189,7 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
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) {
} else if (fe->descTag.tagIdent == cpu_to_le16(TAG_IDENT_FE)) {
UDF_I_EFE(inode) = 0;
UDF_I_USE(inode) = 0;
if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize -
@ -1199,7 +1199,7 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
}
memcpy(UDF_I_DATA(inode), 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) {
} else if (fe->descTag.tagIdent == cpu_to_le16(TAG_IDENT_USE)) {
UDF_I_EFE(inode) = 0;
UDF_I_USE(inode) = 1;
UDF_I_LENALLOC(inode) = le32_to_cpu(
@ -1458,7 +1458,7 @@ static int udf_update_inode(struct inode *inode, int do_sync)
fe = (struct fileEntry *)bh->b_data;
efe = (struct extendedFileEntry *)bh->b_data;
if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_USE) {
if (fe->descTag.tagIdent == cpu_to_le16(TAG_IDENT_USE)) {
struct unallocSpaceEntry *use =
(struct unallocSpaceEntry *)bh->b_data;

12
fs/udf/misc.c
View File

@ -74,8 +74,8 @@ struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size,
if (UDF_I_LENEATTR(inode)) {
/* check checksum/crc */
if (le16_to_cpu(eahd->descTag.tagIdent) !=
TAG_IDENT_EAHD ||
if (eahd->descTag.tagIdent !=
cpu_to_le16(TAG_IDENT_EAHD) ||
le32_to_cpu(eahd->descTag.tagLocation) !=
UDF_I_LOCATION(inode).logicalBlockNum)
return NULL;
@ -161,8 +161,8 @@ struct genericFormat *udf_get_extendedattr(struct inode *inode, uint32_t type,
eahd = (struct extendedAttrHeaderDesc *)ea;
/* check checksum/crc */
if (le16_to_cpu(eahd->descTag.tagIdent) !=
TAG_IDENT_EAHD ||
if (eahd->descTag.tagIdent !=
cpu_to_le16(TAG_IDENT_EAHD) ||
le32_to_cpu(eahd->descTag.tagLocation) !=
UDF_I_LOCATION(inode).logicalBlockNum)
return NULL;
@ -233,8 +233,8 @@ struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block,
}
/* Verify the tag version */
if (le16_to_cpu(tag_p->descVersion) != 0x0002U &&
le16_to_cpu(tag_p->descVersion) != 0x0003U) {
if (tag_p->descVersion != cpu_to_le16(0x0002U) &&
tag_p->descVersion != cpu_to_le16(0x0003U)) {
udf_debug("tag version 0x%04x != 0x0002 || 0x0003 block %d\n",
le16_to_cpu(tag_p->descVersion), block);
goto error_out;

16
fs/udf/super.c
View File

@ -1014,20 +1014,20 @@ static int udf_load_partdesc(struct super_block *sb, struct buffer_head *bh)
le32_to_cpu(p->partitionLength); /* blocks */
map->s_partition_root =
le32_to_cpu(p->partitionStartingLocation);
if (le32_to_cpu(p->accessType) ==
PD_ACCESS_TYPE_READ_ONLY)
if (p->accessType ==
cpu_to_le32(PD_ACCESS_TYPE_READ_ONLY))
map->s_partition_flags |=
UDF_PART_FLAG_READ_ONLY;
if (le32_to_cpu(p->accessType) ==
PD_ACCESS_TYPE_WRITE_ONCE)
if (p->accessType ==
cpu_to_le32(PD_ACCESS_TYPE_WRITE_ONCE))
map->s_partition_flags |=
UDF_PART_FLAG_WRITE_ONCE;
if (le32_to_cpu(p->accessType) ==
PD_ACCESS_TYPE_REWRITABLE)
if (p->accessType ==
cpu_to_le32(PD_ACCESS_TYPE_REWRITABLE))
map->s_partition_flags |=
UDF_PART_FLAG_REWRITABLE;
if (le32_to_cpu(p->accessType) ==
PD_ACCESS_TYPE_OVERWRITABLE)
if (p->accessType ==
cpu_to_le32(PD_ACCESS_TYPE_OVERWRITABLE))
map->s_partition_flags |=
UDF_PART_FLAG_OVERWRITABLE;