[PATCH 1/4] f2fs: give scheduling point in shrinking path

[Jaegeuk Kim]

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

Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---
 fs/f2fs/extent_cache.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/f2fs/extent_cache.c b/fs/f2fs/extent_cache.c
index ccd5c63..325825b 100644
--- a/fs/f2fs/extent_cache.c
+++ b/fs/f2fs/extent_cache.c
@@ -585,6 +585,8 @@ 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);
 
@@ -631,6 +633,7 @@ free_node:
 			if (node_cnt + tree_cnt >= nr_shrink)
 				goto unlock_out;
 		}
+		cond_resched();
 	}
 unlock_out:
 	up_write(&sbi->extent_tree_lock);
-- 
2.6.3