diff options
| author | Kemeng Shi <shikemeng@huaweicloud.com> | 2023-08-27 01:47:09 +0800 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2023-10-05 22:32:15 -0400 |
| commit | 70cbfd257995b3f23c2408fd893cc18b61e58b4a (patch) | |
| tree | 5485f97ca302b736d29e2f6ffb837cc161e38928 /fs/ext4/resize.c | |
| parent | 95b635689b58e0ebe5197bf99c82c681eabe17ee (diff) | |
ext4: use saved local variable sbi instead of EXT4_SB(sb)
We save EXT4_SB(sb) to local variable sbi at beginning of function
ext4_resize_begin. Use sbi directly instead of EXT4_SB(sb) to
remove unnecessary pointer dereference.
Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Reviewed-by: Theodore Ts'o <tytso@mit.edu>
Link: https://lore.kernel.org/r/20230826174712.4059355-11-shikemeng@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/resize.c')
| -rw-r--r-- | fs/ext4/resize.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index d4ab2cde0a03..e2c81b589de8 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -55,7 +55,7 @@ int ext4_resize_begin(struct super_block *sb) * If the reserved GDT blocks is non-zero, the resize_inode feature * should always be set. */ - if (EXT4_SB(sb)->s_es->s_reserved_gdt_blocks && + if (sbi->s_es->s_reserved_gdt_blocks && !ext4_has_feature_resize_inode(sb)) { ext4_error(sb, "resize_inode disabled but reserved GDT blocks non-zero"); return -EFSCORRUPTED; @@ -67,9 +67,9 @@ int ext4_resize_begin(struct super_block *sb) * bad time to do it anyways. */ if (EXT4_B2C(sbi, sbi->s_sbh->b_blocknr) != - le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block)) { + le32_to_cpu(sbi->s_es->s_first_data_block)) { ext4_warning(sb, "won't resize using backup superblock at %llu", - (unsigned long long)EXT4_SB(sb)->s_sbh->b_blocknr); + (unsigned long long)sbi->s_sbh->b_blocknr); return -EPERM; } @@ -77,7 +77,7 @@ int ext4_resize_begin(struct super_block *sb) * We are not allowed to do online-resizing on a filesystem mounted * with error, because it can destroy the filesystem easily. */ - if (EXT4_SB(sb)->s_mount_state & EXT4_ERROR_FS) { + if (sbi->s_mount_state & EXT4_ERROR_FS) { ext4_warning(sb, "There are errors in the filesystem, " "so online resizing is not allowed"); return -EPERM; @@ -89,7 +89,7 @@ int ext4_resize_begin(struct super_block *sb) } if (test_and_set_bit_lock(EXT4_FLAGS_RESIZING, - &EXT4_SB(sb)->s_ext4_flags)) + &sbi->s_ext4_flags)) ret = -EBUSY; return ret; |