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| author | Miao Xie <miaoxie@huawei.com> | 2017-08-06 00:55:48 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2017-08-06 00:55:48 -0400 |
| commit | b640b2c51b26459fc08f2185a385495b0f509a80 (patch) | |
| tree | 9ba9715bdd6ce33adb9725e165b0c7a61bdda356 /fs | |
| parent | cf0a5e818fe216dbdf5da4e829e157d27ebfc8a4 (diff) | |
| download | linux-b640b2c51b26459fc08f2185a385495b0f509a80.tar.gz linux-b640b2c51b26459fc08f2185a385495b0f509a80.tar.bz2 linux-b640b2c51b26459fc08f2185a385495b0f509a80.zip | |
ext4: cleanup ext4_expand_extra_isize_ea()
Clean up some goto statement, make ext4_expand_extra_isize_ea() clearer.
Signed-off-by: Miao Xie <miaoxie@huawei.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Wang Shilong <wshilong@ddn.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ext4/xattr.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index 7f5f4b63782b..82a5af9f6668 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -2637,7 +2637,7 @@ int ext4_expand_extra_isize_ea(struct inode *inode, int new_extra_isize, struct ext4_inode *raw_inode, handle_t *handle) { struct ext4_xattr_ibody_header *header; - struct buffer_head *bh = NULL; + struct buffer_head *bh; struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); static unsigned int mnt_count; size_t min_offs; @@ -2651,7 +2651,7 @@ int ext4_expand_extra_isize_ea(struct inode *inode, int new_extra_isize, retry: isize_diff = new_extra_isize - EXT4_I(inode)->i_extra_isize; if (EXT4_I(inode)->i_extra_isize >= new_extra_isize) - goto out; + return 0; header = IHDR(inode, raw_inode); @@ -2686,6 +2686,7 @@ retry: EXT4_ERROR_INODE(inode, "bad block %llu", EXT4_I(inode)->i_file_acl); error = -EFSCORRUPTED; + brelse(bh); goto cleanup; } base = BHDR(bh); @@ -2693,11 +2694,11 @@ retry: min_offs = end - base; bfree = ext4_xattr_free_space(BFIRST(bh), &min_offs, base, NULL); + brelse(bh); if (bfree + ifree < isize_diff) { if (!tried_min_extra_isize && s_min_extra_isize) { tried_min_extra_isize++; new_extra_isize = s_min_extra_isize; - brelse(bh); goto retry; } error = -ENOSPC; @@ -2715,7 +2716,6 @@ retry: s_min_extra_isize) { tried_min_extra_isize++; new_extra_isize = s_min_extra_isize; - brelse(bh); goto retry; } goto cleanup; @@ -2727,13 +2727,9 @@ shift: EXT4_GOOD_OLD_INODE_SIZE + new_extra_isize, (void *)header, total_ino); EXT4_I(inode)->i_extra_isize = new_extra_isize; - brelse(bh); -out: - return 0; cleanup: - brelse(bh); - if (mnt_count != le16_to_cpu(sbi->s_es->s_mnt_count)) { + if (error && (mnt_count != le16_to_cpu(sbi->s_es->s_mnt_count))) { ext4_warning(inode->i_sb, "Unable to expand inode %lu. Delete some EAs or run e2fsck.", inode->i_ino); mnt_count = le16_to_cpu(sbi->s_es->s_mnt_count); |