bh_submit_read() is responsible for unlock bh on endio
Signed-off-by: Dmitry Monakhov <dmonakhov@xxxxxxxxxx>
---
fs/ext4/resize.c | 15 +++++----------
1 files changed, 5 insertions(+), 10 deletions(-)
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 41f6ef6..3b05198 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -1076,17 +1076,12 @@ static struct buffer_head *ext4_get_bitmap(struct super_block *sb, __u64 block)
struct buffer_head *bh = sb_getblk(sb, block);
if (!bh)
return NULL;
-
- if (bitmap_uptodate(bh))
- return bh;
-
- lock_buffer(bh);
- if (bh_submit_read(bh) < 0) {
- unlock_buffer(bh);
- brelse(bh);
- return NULL;
+ if (!bh_uptodate_or_lock(bh)) {
+ if (bh_submit_read(bh) < 0) {
+ brelse(bh);
+ return NULL;
+ }
}
- unlock_buffer(bh);
return bh;
}
--
1.7.7.6
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