f2fs: avoid unnecessary checkpoints
During the f2fs_put_super procedure, we don't need to conduct checkpoint all
the time, since we don't need to do that if superblock is clean.
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index fde8e6a..539c009 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -372,7 +372,9 @@
f2fs_destroy_stats(sbi);
stop_gc_thread(sbi);
- write_checkpoint(sbi, true);
+ /* We don't need to do checkpoint when it's clean */
+ if (sbi->s_dirty && get_pages(sbi, F2FS_DIRTY_NODES))
+ write_checkpoint(sbi, true);
iput(sbi->node_inode);
iput(sbi->meta_inode);