Instead of starting at zero (offset is always zero), request a cluster
starting at search_start, that denotes the beginning of the current
block group.
Signed-off-by: Alexandre Oliva <ol...@lsd.ic.unicamp.br>
---
fs/btrfs/extent-tree.c | 6 ++----
1 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index bc0f13d..7edb9e6 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -5287,10 +5287,8 @@ alloc:
spin_lock(&last_ptr->refill_lock);
if (last_ptr->block_group &&
(last_ptr->block_group->ro ||
- !block_group_bits(last_ptr->block_group, data))) {
- offset = 0;
+ !block_group_bits(last_ptr->block_group, data)))
goto refill_cluster;
- }
offset = btrfs_alloc_from_cluster(block_group, last_ptr,
num_bytes, search_start);
@@ -5341,7 +5339,7 @@ refill_cluster:
/* allocate a cluster in this block group */
ret = btrfs_find_space_cluster(trans, root,
block_group, last_ptr,
- offset, num_bytes,
+ search_start, num_bytes,
empty_cluster + empty_size);
if (ret == 0) {
/*
--
1.7.4.4
--
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