path: root/fs/btrfs/scrub.c
diff options
authorLinus Torvalds <torvalds@linux-foundation.org>2012-05-06 10:20:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-05-06 10:20:07 -0700
commit271fd5d7286eb931142402c170943d14640bb922 (patch)
treedc60c1623f63a7db588de4c3c7362a9ac7abf56a /fs/btrfs/scrub.c
parentce7e5d2d19bc371e1b67826bfbc79bbcbaa9772f (diff)
parentb9fab919b748c7b39c19ff236ed6c5682c266dde (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason: "The big ones here are a memory leak we introduced in rc1, and a scheduling while atomic if the transid on disk doesn't match the transid we expected. This happens for corrupt blocks, or out of date disks. It also fixes up the ioctl definition for our ioctl to resolve logical inode numbers. The __u32 was a merging error and doesn't match what we ship in the progs." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: Btrfs: avoid sleeping in verify_parent_transid while atomic Btrfs: fix crash in scrub repair code when device is missing btrfs: Fix mismatching struct members in ioctl.h Btrfs: fix page leak when allocing extent buffers Btrfs: Add properly locking around add_root_to_dirty_list
Diffstat (limited to 'fs/btrfs/scrub.c')
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 4f76fc3f8e89..2f3d6f917fb3 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -998,6 +998,7 @@ static int scrub_setup_recheck_block(struct scrub_dev *sdev,
page = sblock->pagev + page_index;
page->logical = logical;
page->physical = bbio->stripes[mirror_index].physical;
+ /* for missing devices, bdev is NULL */
page->bdev = bbio->stripes[mirror_index].dev->bdev;
page->mirror_num = mirror_index + 1;
page->page = alloc_page(GFP_NOFS);
@@ -1042,6 +1043,12 @@ static int scrub_recheck_block(struct btrfs_fs_info *fs_info,
struct scrub_page *page = sblock->pagev + page_num;
+ if (page->bdev == NULL) {
+ page->io_error = 1;
+ sblock->no_io_error_seen = 0;
+ continue;
+ }
bio = bio_alloc(GFP_NOFS, 1);
if (!bio)