Commit 8fd5a37e authored Apr 07, 2017 by Jaegeuk Kim

f2fs: avoid frequent checkpoint during f2fs_gc



Now we're doing SSR aggressively more than ever before, so once we reach to
the reserved_segment, f2fs_balance_fs will call f2fs_gc, which triggers
checkpoint everytime. We actually must avoid that.

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

parent 4ddb1a4d

fs/f2fs/gc.c

+5 −3

Original line number	Diff line number	Diff line
		@@ -966,9 +966,11 @@ int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, bool background)
		* threshold, we can make them free by checkpoint. Then, we
		* secure free segments which doesn't need fggc any more.
		*/
		if (prefree_segments(sbi)) {
		ret = write_checkpoint(sbi, &cpc);
		if (ret)
		goto stop;
		}
		if (has_not_enough_free_secs(sbi, 0, 0))
		gc_type = FG_GC;
		}