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authorzhangyi (F) <yi.zhang@huawei.com>2020-09-24 15:33:37 +0800
committerTheodore Ts'o <tytso@mit.edu>2020-10-18 10:37:14 -0400
commit8394a6abf3aeaa02e30fd33c248adab9fbe6fd6c (patch)
treed545ef81682fc14a3890bec0e2b6bb636831d781 /fs/ext4/ext4.h
parent0a846f496db1d3996341e140364aa58563d1ebe1 (diff)
ext4: introduce ext4_sb_bread_unmovable() to replace sb_bread_unmovable()
Now we only use sb_bread_unmovable() to read superblock and descriptor block at mount time, so there is no opportunity that we need to clear buffer verified bit and also handle buffer write_io error bit. But for the sake of unification, let's introduce ext4_sb_bread_unmovable() to replace all sb_bread_unmovable(). After this patch, we stop using read helpers in fs/buffer.c. Signed-off-by: zhangyi (F) <yi.zhang@huawei.com> Link: https://lore.kernel.org/r/20200924073337.861472-8-yi.zhang@huawei.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/ext4.h')
-rw-r--r--fs/ext4/ext4.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index caef3aab1588..1879531a119f 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -2823,6 +2823,8 @@ extern int ext4_resize_fs(struct super_block *sb, ext4_fsblk_t n_blocks_count);
/* super.c */
extern struct buffer_head *ext4_sb_bread(struct super_block *sb,
sector_t block, int op_flags);
+extern struct buffer_head *ext4_sb_bread_unmovable(struct super_block *sb,
+ sector_t block);
extern void ext4_read_bh_nowait(struct buffer_head *bh, int op_flags,
bh_end_io_t *end_io);
extern int ext4_read_bh(struct buffer_head *bh, int op_flags,