diff options
| -rw-r--r-- | fs/btrfs/dev-replace.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c index ca6a3a3b6b6c..92109b7c865c 100644 --- a/fs/btrfs/dev-replace.c +++ b/fs/btrfs/dev-replace.c @@ -932,15 +932,15 @@ void btrfs_bio_counter_sub(struct btrfs_fs_info *fs_info, s64 amount) void btrfs_bio_counter_inc_blocked(struct btrfs_fs_info *fs_info) { - DEFINE_WAIT(wait); -again: - percpu_counter_inc(&fs_info->bio_counter); - if (test_bit(BTRFS_FS_STATE_DEV_REPLACING, &fs_info->fs_state)) { + while (1) { + percpu_counter_inc(&fs_info->bio_counter); + if (likely(!test_bit(BTRFS_FS_STATE_DEV_REPLACING, + &fs_info->fs_state))) + break; + btrfs_bio_counter_dec(fs_info); wait_event(fs_info->replace_wait, !test_bit(BTRFS_FS_STATE_DEV_REPLACING, &fs_info->fs_state)); - goto again; } - } |