From: Jaegeuk Kim <jaegeuk@kernel.org>
Date: Tue, 19 Jan 2016 23:31:48 +0000 (+0800)
Subject: f2fs: give scheduling point in shrinking path
X-Git-Tag: next-20160301~100^2~57
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=6fe2bc95616650104020e821ea84c086cce1e290;p=karo-tx-linux.git

f2fs: give scheduling point in shrinking path

It needs to give a chance to be rescheduled while shrinking slab entries.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---

diff --git a/fs/f2fs/extent_cache.c b/fs/f2fs/extent_cache.c
index 53f49f713323..365cf950891b 100644
--- a/fs/f2fs/extent_cache.c
+++ b/fs/f2fs/extent_cache.c
@@ -569,6 +569,7 @@ unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink)
 
 		if (node_cnt + tree_cnt >= nr_shrink)
 			goto unlock_out;
+		cond_resched();
 	}
 	up_write(&sbi->extent_tree_lock);