f2fs: avoid garbage collecting already moved node blocks

If node blocks were already moved, we don't need to move them again.

Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2015-08-14 14:37:50 -07:00
commit 26d5859974