Merge branch 'for-linus-min' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs

Pull the minimal btrfs branch from Chris Mason:
 "We have a use-after-free in there, along with errors when mount -o
  discard is enabled, and a BUG_ON(we should compile with UP more
  often)."

* 'for-linus-min' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  Btrfs: use commit root when loading free space cache
  Btrfs: fix use-after-free in __btrfs_end_transaction
  Btrfs: check return value of bio_alloc() properly
  Btrfs: remove lock assert from get_restripe_target()
  Btrfs: fix eof while discarding extents
  Btrfs: fix uninit variable in repair_eb_io_failure
  Revert "Btrfs: increase the global block reserve estimates"
This commit is contained in:
Linus Torvalds
2012-04-13 19:41:27 -07:00
7 changed files with 40 additions and 21 deletions

View File

@@ -1044,6 +1044,8 @@ static int scrub_recheck_block(struct btrfs_fs_info *fs_info,
BUG_ON(!page->page);
bio = bio_alloc(GFP_NOFS, 1);
if (!bio)
return -EIO;
bio->bi_bdev = page->bdev;
bio->bi_sector = page->physical >> 9;
bio->bi_end_io = scrub_complete_bio_end_io;
@@ -1171,6 +1173,8 @@ static int scrub_repair_page_from_good_copy(struct scrub_block *sblock_bad,
DECLARE_COMPLETION_ONSTACK(complete);
bio = bio_alloc(GFP_NOFS, 1);
if (!bio)
return -EIO;
bio->bi_bdev = page_bad->bdev;
bio->bi_sector = page_bad->physical >> 9;
bio->bi_end_io = scrub_complete_bio_end_io;