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-rw-r--r--fs/btrfs/ctree.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 0d1e3b91e7bd..551177c0011a 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -1518,18 +1518,19 @@ again:
*/
if (prealloc_block.objectid &&
prealloc_block.offset != b->len) {
- btrfs_set_path_blocking(p);
+ btrfs_release_path(root, p);
btrfs_free_reserved_extent(root,
prealloc_block.objectid,
prealloc_block.offset);
prealloc_block.objectid = 0;
+ goto again;
}
/*
* for higher level blocks, try not to allocate blocks
* with the block and the parent locks held.
*/
- if (level > 1 && !prealloc_block.objectid &&
+ if (level > 0 && !prealloc_block.objectid &&
btrfs_path_lock_waiting(p, level)) {
u32 size = b->len;
u64 hint = b->start;
@@ -1614,7 +1615,9 @@ cow_done:
}
b = p->nodes[level];
slot = p->slots[level];
- } else if (ins_len < 0) {
+ } else if (ins_len < 0 &&
+ btrfs_header_nritems(b) <
+ BTRFS_NODEPTRS_PER_BLOCK(root) / 4) {
int sret;
sret = reada_for_balance(root, p, level);