From e34a5b4f77b8448cf2863ad0cbac35e2c2a86a0a Mon Sep 17 00:00:00 2001 From: Chris Mason Date: Tue, 22 Jul 2008 12:08:37 -0400 Subject: [PATCH] Btrfs: Add some conditional schedules near the alloc_mutex This helps prevent stalls, especially while the snapshot cleaner is running hard Signed-off-by: Chris Mason --- fs/btrfs/extent-tree.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index c51cd11de206..72fa28236e5d 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -937,6 +937,7 @@ int btrfs_inc_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root, level = btrfs_header_level(buf); nritems = btrfs_header_nritems(buf); for (i = 0; i < nritems; i++) { + cond_resched(); if (level == 0) { u64 disk_bytenr; btrfs_item_key_to_cpu(buf, &key, i); @@ -2189,6 +2190,7 @@ static int noinline drop_leaf_ref(struct btrfs_trans_handle *trans, for (i = 0; i < nritems; i++) { u64 disk_bytenr; + cond_resched(); btrfs_item_key_to_cpu(leaf, &key, i); if (btrfs_key_type(&key) != BTRFS_EXTENT_DATA_KEY) -- 2.30.2