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Btrfs: Extra NULL block group checks in find_free_extent

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason 2007-12-13 09:02:46 -05:00
parent 3954401fa6
commit 70b043f0c7
1 changed files with 6 additions and 0 deletions
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6
fs/btrfs/extent-tree.c
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@ -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);