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authorChris Mason <clm@fb.com>2015-10-21 18:21:40 -0700
committerChris Mason <clm@fb.com>2015-10-21 18:21:40 -0700
commita0d58e48db58801a0e764e9b9c87e1782d390fcb (patch)
treef413f86da859552a29df58f40d450372977b5673 /fs/btrfs/volumes.h
parent6db4a7335dd701a0e20275440ee057d3db2a7ae3 (diff)
parentddd664f4478a4aaf0ac67a4297e33f1992bc9be2 (diff)
Merge branch 'cleanups/for-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus-4.4
Diffstat (limited to 'fs/btrfs/volumes.h')
-rw-r--r--fs/btrfs/volumes.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 38450dc28837..99c208f6718d 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -334,10 +334,15 @@ struct btrfs_raid_attr {
int dev_stripes; /* stripes per dev */
int devs_max; /* max devs to use */
int devs_min; /* min devs needed */
+ int tolerated_failures; /* max tolerated fail devs */
int devs_increment; /* ndevs has to be a multiple of this */
int ncopies; /* how many copies to data has */
};
+extern const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES];
+
+extern const u64 btrfs_raid_group[BTRFS_NR_RAID_TYPES];
+
struct map_lookup {
u64 type;
int io_align;