From: Chris Mason <chris.mason@oracle.com>
Date: Mon, 13 Jun 2011 15:30:47 +0000 (-0400)
Subject: Btrfs: drop the delalloc_bytes check in shrink_delalloc
X-Git-Tag: firefly_0821_release~3680^2~5083^2~14
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f4c44016218a6fce357715b9bbabbbbe1f69853c;p=firefly-linux-kernel-4.4.55.git

Btrfs: drop the delalloc_bytes check in shrink_delalloc

Even when delalloc_bytes is zero, we may need to sleep while waiting
for delalloc space.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index b42efc2ded51..1f61bf5b4960 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3314,10 +3314,6 @@ static int shrink_delalloc(struct btrfs_trans_handle *trans,
 	if (reserved == 0)
 		return 0;
 
-	/* nothing to shrink - nothing to reclaim */
-	if (root->fs_info->delalloc_bytes == 0)
-		return 0;
-
 	max_reclaim = min(reserved, to_reclaim);
 
 	while (loops < 1024) {