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| author | Jeff Mahoney <jeffm@suse.com> | 2016-08-17 21:58:33 -0400 |
|---|---|---|
| committer | Chris Mason <clm@fb.com> | 2016-08-25 03:58:29 -0700 |
| commit | 35bbb97fc898aeb874cb7c8b746f091caa359994 (patch) | |
| tree | 4ff7e4a0ac701e26985efb0d24c0ea3665791ffc /fs/btrfs/disk-io.h | |
| parent | 187ee58c62c1d0d238d3dc4835869d33e1869906 (diff) | |
| download | linux-35bbb97fc898aeb874cb7c8b746f091caa359994.tar.bz2 | |
btrfs: don't create or leak aliased root while cleaning up orphans
commit 909c3a22da3 (Btrfs: fix loading of orphan roots leading to BUG_ON)
avoids the BUG_ON but can add an aliased root to the dead_roots list or
leak the root.
Since we've already been loading roots into the radix tree, we should
use it before looking the root up on disk.
Cc: <stable@vger.kernel.org> # 4.5
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs/btrfs/disk-io.h')
| -rw-r--r-- | fs/btrfs/disk-io.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h index c9d42c92da2b..e0efe45e5282 100644 --- a/fs/btrfs/disk-io.h +++ b/fs/btrfs/disk-io.h @@ -68,6 +68,8 @@ struct extent_buffer *btrfs_find_tree_block(struct btrfs_fs_info *fs_info, struct btrfs_root *btrfs_read_fs_root(struct btrfs_root *tree_root, struct btrfs_key *location); int btrfs_init_fs_root(struct btrfs_root *root); +struct btrfs_root *btrfs_lookup_fs_root(struct btrfs_fs_info *fs_info, + u64 root_id); int btrfs_insert_fs_root(struct btrfs_fs_info *fs_info, struct btrfs_root *root); void btrfs_free_fs_roots(struct btrfs_fs_info *fs_info); |