udf: convert byte order of constant instead of variable

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>

4 files changed, 24 insertions, 24 deletions

diff --git a/fs/udf/directory.c b/fs/udf/directory.c
index ba79794abce..88d8895bd99 100644
--- a/fs/udf/directory.c
+++ b/fs/udf/directory.c
@@ -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;
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 42783da9cfe..487bdb7dc83 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -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;
 
diff --git a/fs/udf/misc.c b/fs/udf/misc.c
index 585e4eaed25..a3a513faddb 100644
--- a/fs/udf/misc.c
+++ b/fs/udf/misc.c
@@ -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;
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 12fb91d23a8..b10295865e5 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -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;