[PATCH 2/6] f2fs: give scheduling point in shrinking path
From: Jaegeuk Kim <jaegeuk@kernel.org>
Date: 2016-01-25 22:05:39
Also in:
linux-f2fs-devel, lkml
Subsystem:
f2fs file system, filesystems (vfs and infrastructure), the rest · Maintainers:
Jaegeuk Kim, Chao Yu, Alexander Viro, Christian Brauner, Linus Torvalds
It needs to give a chance to be rescheduled while shrinking slab entries. Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> --- 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 18311ff..af53503 100644
--- a/fs/f2fs/extent_cache.c
+++ b/fs/f2fs/extent_cache.c@@ -593,6 +593,8 @@ 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);
@@ -622,6 +624,7 @@ free_node: __detach_extent_node(sbi, en->et, en); write_unlock(&en->et->lock); kmem_cache_free(extent_node_slab, en); + cond_resched(); } unlock_out:
--
2.6.3