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Btrfs: Extra NULL block group checks in find_free_extent
author
Chris Mason
<chris.mason@oracle.com>
Thu, 13 Dec 2007 14:02:46 +0000
(09:02 -0500)
committer
Chris Mason
<chris.mason@oracle.com>
Thu, 25 Sep 2008 15:03:58 +0000
(11:03 -0400)
Signed-off-by: Chris Mason <chris.mason@oracle.com>
fs/btrfs/extent-tree.c
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diff --git
a/fs/btrfs/extent-tree.c
b/fs/btrfs/extent-tree.c
index
187be40
..
7c953b2
100644
(file)
--- a/
fs/btrfs/extent-tree.c
+++ b/
fs/btrfs/extent-tree.c
@@
-1319,6
+1319,12
@@
static int find_free_extent(struct btrfs_trans_handle *trans, struct btrfs_root
total_needed += empty_size;
path = btrfs_alloc_path();
check_failed:
+ if (!block_group) {
+ block_group = btrfs_lookup_block_group(info, search_start);
+ if (!block_group)
+ block_group = btrfs_lookup_block_group(info,
+ orig_search_start);
+ }
search_start = find_search_start(root, &block_group, search_start,
total_needed, data, full_scan);
search_start = stripe_align(root, search_start);