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Commit 85dc2f2c authored Jan 14, 2015 by Jaegeuk Kim

f2fs: do checkpoint when umount flag is not set



If the previous checkpoint was done without CP_UMOUNT flag, it needs to do
checkpoint with CP_UMOUNT for the next fast boot.

Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

parent 30a5537f

fs/f2fs/checkpoint.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1043,7 +1043,8 @@ void write_checkpoint(struct f2fs_sb_info sbi, struct cp_control cpc)

		mutex_lock(&sbi->cp_mutex);

		if (!sbi->s_dirty && cpc->reason != CP_DISCARD)
		if (!sbi->s_dirty &&
		cpc->reason != CP_DISCARD && cpc->reason != CP_UMOUNT)
		goto out;
		if (unlikely(f2fs_cp_error(sbi)))
		goto out;

fs/f2fs/super.c

+7 −2

Original line number	Diff line number	Diff line
		@@ -447,8 +447,13 @@ static void f2fs_put_super(struct super_block *sb)
		f2fs_destroy_stats(sbi);
		stop_gc_thread(sbi);

		/* We don't need to do checkpoint when it's clean */
		if (sbi->s_dirty) {
		/*
		* We don't need to do checkpoint when superblock is clean.
		* But, the previous checkpoint was not done by umount, it needs to do
		* clean checkpoint again.
		*/
		if (sbi->s_dirty \|\|
		!is_set_ckpt_flags(F2FS_CKPT(sbi), CP_UMOUNT_FLAG)) {
		struct cp_control cpc = {
		.reason = CP_UMOUNT,
		};