diff options
| author | Zhao Lei <zhaolei@cn.fujitsu.com> | 2015-08-19 15:54:15 +0800 |
|---|---|---|
| committer | Chris Mason <clm@fb.com> | 2015-08-31 11:45:48 -0700 |
| commit | 943c6e9925d90dc80207322b5799d95fb90ffec0 (patch) | |
| tree | 69a7b06454f007c6788d665274de93708ea3a394 /fs/btrfs/disk-io.h | |
| parent | 2c4580454fffbf184fdb9292aa19ab1ffc224add (diff) | |
| download | linux-943c6e9925d90dc80207322b5799d95fb90ffec0.tar.bz2 | |
btrfs: Add raid56 support for updating
num_tolerated_disk_barrier_failures in btrfs_balance
Code for updating fs_info->num_tolerated_disk_barrier_failures in
btrfs_balance() lacks raid56 support.
Reason:
Above code was wroten in 2012-08-01, together with
btrfs_calc_num_tolerated_disk_barrier_failures()'s first version.
Then, btrfs_calc_num_tolerated_disk_barrier_failures() got updated
later to support raid56, but code in btrfs_balance() was not
updated together.
Fix:
Merge above similar code to a common function:
btrfs_get_num_tolerated_disk_barrier_failures()
and make it support both case.
It can fix this bug with a bonus of cleanup, and make these code
never in above no-sync state from now on.
Suggested-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs/btrfs/disk-io.h')
| -rw-r--r-- | fs/btrfs/disk-io.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h index d4cbfeeeedd4..bdfb479ea859 100644 --- a/fs/btrfs/disk-io.h +++ b/fs/btrfs/disk-io.h @@ -139,6 +139,7 @@ struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans, u64 objectid); int btree_lock_page_hook(struct page *page, void *data, void (*flush_fn)(void *)); +int btrfs_get_num_tolerated_disk_barrier_failures(u64 flags); int btrfs_calc_num_tolerated_disk_barrier_failures( struct btrfs_fs_info *fs_info); int __init btrfs_end_io_wq_init(void); |