Commit 14f4e690 authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: prevent checkpoint during roll-forward 



Any checkpoint should not be done during the core roll-forward procedure.
Especially, it includes error cases too.

Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent b3fe0a0d

fs/f2fs/recovery.c

+8 −0
Original line number Diff line number Diff line
@@ -459,6 +459,9 @@ int recover_fsync_data(struct f2fs_sb_info *sbi) 
	/* step #1: find fsynced inode numbers */

	sbi->por_doing = true;



	/* prevent checkpoint */

	mutex_lock(&sbi->cp_mutex);



	blkaddr = NEXT_FREE_BLKADDR(sbi, curseg);



	err = find_fsync_dnodes(sbi, &inode_list);
@@ -490,8 +493,13 @@ int recover_fsync_data(struct f2fs_sb_info *sbi) 
		/* Flush all the NAT/SIT pages */

		while (get_pages(sbi, F2FS_DIRTY_META))

			sync_meta_pages(sbi, META, LONG_MAX);

		set_ckpt_flags(sbi->ckpt, CP_ERROR_FLAG);

		mutex_unlock(&sbi->cp_mutex);

	} else if (need_writecp) {

		mutex_unlock(&sbi->cp_mutex);

		write_checkpoint(sbi, false);

	} else {

		mutex_unlock(&sbi->cp_mutex);

	}

	return err;

}