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ext4: fix miscellaneous big endian warnings

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None of these result in any bug, but they makes sparse complain.

Signed-off-by: "Theodore Ts'o" <[email protected]>
This commit is contained in:
Theodore Ts'o 2013-04-09 23:59:55 -04:00
commit d6a771056b
4 changed files with 17 additions and 15 deletions
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7
fs/ext4/namei.c
View file

@ -416,15 +416,16 @@ static __le32 ext4_dx_csum(struct inode *inode, struct ext4_dir_entry *dirent,
{
struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
struct ext4_inode_info *ei = EXT4_I(inode);
__u32 csum, old_csum;
__u32 csum;
__le32 save_csum;
int size;
size = count_offset + (count * sizeof(struct dx_entry));
old_csum = t->dt_checksum;
save_csum = t->dt_checksum;
t->dt_checksum = 0;
csum = ext4_chksum(sbi, ei->i_csum_seed, (__u8 *)dirent, size);
csum = ext4_chksum(sbi, csum, (__u8 *)t, sizeof(struct dx_tail));
t->dt_checksum = old_csum;
t->dt_checksum = save_csum;
return cpu_to_le32(csum);
}

6
fs/ext4/super.c
View file

@ -1952,16 +1952,16 @@ static __le16 ext4_group_desc_csum(struct ext4_sb_info *sbi, __u32 block_group,
if ((sbi->s_es->s_feature_ro_compat &
cpu_to_le32(EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))) {
/* Use new metadata_csum algorithm */
__u16 old_csum;
__le16 save_csum;
__u32 csum32;
old_csum = gdp->bg_checksum;
save_csum = gdp->bg_checksum;
gdp->bg_checksum = 0;
csum32 = ext4_chksum(sbi, sbi->s_csum_seed, (__u8 *)&le_group,
sizeof(le_group));
csum32 = ext4_chksum(sbi, csum32, (__u8 *)gdp,
sbi->s_desc_size);
gdp->bg_checksum = old_csum;
gdp->bg_checksum = save_csum;
crc = csum32 & 0xFFFF;
goto out;

13
fs/ext4/xattr.c
View file

@ -122,17 +122,18 @@ static __le32 ext4_xattr_block_csum(struct inode *inode,
struct ext4_xattr_header *hdr)
{
struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
__u32 csum, old;
__u32 csum;
__le32 save_csum;
__le64 dsk_block_nr = cpu_to_le64(block_nr);
old = hdr->h_checksum;
save_csum = hdr->h_checksum;
hdr->h_checksum = 0;
block_nr = cpu_to_le64(block_nr);
csum = ext4_chksum(sbi, sbi->s_csum_seed, (__u8 *)&block_nr,
sizeof(block_nr));
csum = ext4_chksum(sbi, sbi->s_csum_seed, (__u8 *)&dsk_block_nr,
sizeof(dsk_block_nr));
csum = ext4_chksum(sbi, csum, (__u8 *)hdr,
EXT4_BLOCK_SIZE(inode->i_sb));
hdr->h_checksum = old;
hdr->h_checksum = save_csum;
return cpu_to_le32(csum);
}