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authorGabríel Arthúr Pétursson <gabriel@system.is>2015-09-29 01:32:41 +0300
committerChris Mason <clm@fb.com>2015-10-27 05:38:29 +0300
commitdee32d0ac3719ef8d640efaf0884111df444730f (patch)
tree26664ba9632bdac8539e8cfec61807f8e7d120bd /fs/btrfs/volumes.h
parent12907fc79818a62a2478f84f7795afa774bf7f9c (diff)
downloadlinux-dee32d0ac3719ef8d640efaf0884111df444730f.tar.xz
btrfs: add balance filter for stripes
Balance block groups which have the given number of stripes, defined by a range min..max. This is useful to selectively rebalance only chunks that do not span enough devices, applies to RAID0/10/5/6. Signed-off-by: Gabríel Arthúr Pétursson <gabriel@system.is> [ renamed bargs members, added to the UAPI, wrote the changelog ] Signed-off-by: David Sterba <dsterba@suse.com> Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs/btrfs/volumes.h')
-rw-r--r--fs/btrfs/volumes.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 628d4e17019d..a5bf224d3c65 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -381,6 +381,7 @@ struct map_lookup {
#define BTRFS_BALANCE_ARGS_VRANGE (1ULL << 4)
#define BTRFS_BALANCE_ARGS_LIMIT (1ULL << 5)
#define BTRFS_BALANCE_ARGS_LIMIT_RANGE (1ULL << 6)
+#define BTRFS_BALANCE_ARGS_STRIPES_RANGE (1ULL << 7)
#define BTRFS_BALANCE_ARGS_MASK \
(BTRFS_BALANCE_ARGS_PROFILES | \