From d6a771056b32146da1280f7872f6936b0c7770ea Mon Sep 17 00:00:00 2001 From: Theodore Ts'o Date: Tue, 9 Apr 2013 23:59:55 -0400 Subject: [PATCH] ext4: fix miscellaneous big endian warnings None of these result in any bug, but they makes sparse complain. Signed-off-by: "Theodore Ts'o" --- fs/ext4/namei.c | 7 ++++--- fs/ext4/super.c | 6 +++--- fs/ext4/xattr.c | 13 +++++++------ include/trace/events/ext4.h | 6 +++--- 4 files changed, 17 insertions(+), 15 deletions(-) diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 3825d6a..45a5ca8 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -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); } diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 6fea87d..f355c28 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -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; diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index 3a120b2..c081e34 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -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); } diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h index 58459b7..d0e6864 100644 --- a/include/trace/events/ext4.h +++ b/include/trace/events/ext4.h @@ -1948,7 +1948,7 @@ TRACE_EVENT(ext4_remove_blocks, __entry->to = to; __entry->partial = partial_cluster; __entry->ee_pblk = ext4_ext_pblock(ex); - __entry->ee_lblk = cpu_to_le32(ex->ee_block); + __entry->ee_lblk = le32_to_cpu(ex->ee_block); __entry->ee_len = ext4_ext_get_actual_len(ex); ), @@ -2052,7 +2052,7 @@ TRACE_EVENT(ext4_ext_remove_space, TRACE_EVENT(ext4_ext_remove_space_done, TP_PROTO(struct inode *inode, ext4_lblk_t start, int depth, - ext4_lblk_t partial, unsigned short eh_entries), + ext4_lblk_t partial, __le16 eh_entries), TP_ARGS(inode, start, depth, partial, eh_entries), @@ -2071,7 +2071,7 @@ TRACE_EVENT(ext4_ext_remove_space_done, __entry->start = start; __entry->depth = depth; __entry->partial = partial; - __entry->eh_entries = eh_entries; + __entry->eh_entries = le16_to_cpu(eh_entries); ), TP_printk("dev %d,%d ino %lu since %u depth %d partial %u " -- 2.7.4