Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit ed523c06 authored by Chao Yu's avatar Chao Yu Committed by Jaegeuk Kim
Browse files

f2fs: don't keep meta pages used for block migration 



For migration of encrypted inode's block, we load data of encrypted block
into meta inode's page cache, after checkpoint, those all intermediate
pages should be clean, and no one will read them again, so let's just
release them for more memory.

Signed-off-by: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 1597eac8

fs/f2fs/checkpoint.c

+8 −0
Original line number Original line Diff line number Diff line
@@ -1409,6 +1409,14 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) 
	commit_checkpoint(sbi, ckpt, start_blk);

	commit_checkpoint(sbi, ckpt, start_blk);

	wait_on_all_pages_writeback(sbi);

	wait_on_all_pages_writeback(sbi);





	/*

	 * invalidate intermediate page cache borrowed from meta inode

	 * which are used for migration of encrypted inode's blocks.

	 */

	if (f2fs_sb_has_encrypt(sbi->sb))

		invalidate_mapping_pages(META_MAPPING(sbi),

				MAIN_BLKADDR(sbi), MAX_BLKADDR(sbi) - 1);



	f2fs_release_ino_entry(sbi, false);

	f2fs_release_ino_entry(sbi, false);





	clear_sbi_flag(sbi, SBI_IS_DIRTY);

	clear_sbi_flag(sbi, SBI_IS_DIRTY);