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authorChris Mason <chris.mason@fusionio.com>2013-02-20 14:06:05 -0500
committerChris Mason <chris.mason@fusionio.com>2013-02-20 14:06:05 -0500
commite942f883bc6651d50be139477baf6fb0eed3d5bb (patch)
treee1d19783e9c8b42198a69c17c9719fb90f302847 /fs/btrfs/scrub.c
parentb2c6b3e0611c58fbeb6b9c0892b6249f7bdfaf6b (diff)
parent0e4e02636611dbf89a2f36320a32054f9936d6cb (diff)
downloadop-kernel-dev-e942f883bc6651d50be139477baf6fb0eed3d5bb.zip
op-kernel-dev-e942f883bc6651d50be139477baf6fb0eed3d5bb.tar.gz
Merge branch 'raid56-experimental' into for-linus-3.9
Signed-off-by: Chris Mason <chris.mason@fusionio.com> Conflicts: fs/btrfs/ctree.h fs/btrfs/extent-tree.c fs/btrfs/inode.c fs/btrfs/volumes.c
Diffstat (limited to 'fs/btrfs/scrub.c')
-rw-r--r--fs/btrfs/scrub.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index c78b2a3..53c3501 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -28,6 +28,7 @@
#include "dev-replace.h"
#include "check-integrity.h"
#include "rcu-string.h"
+#include "raid56.h"
/*
* This is only the first step towards a full-features scrub. It reads all
@@ -2254,6 +2255,13 @@ static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx,
struct btrfs_device *extent_dev;
int extent_mirror_num;
+ if (map->type & (BTRFS_BLOCK_GROUP_RAID5 |
+ BTRFS_BLOCK_GROUP_RAID6)) {
+ if (num >= nr_data_stripes(map)) {
+ return 0;
+ }
+ }
+
nstripes = length;
offset = 0;
do_div(nstripes, map->stripe_len);
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