diff options
| -rw-r--r-- | 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 9f821ce3980..f21fdbf5c75 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -1181,17 +1181,12 @@ 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; } |