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Commit de13b2ac authored by Chao Yu's avatar Chao Yu Committed by Greg Kroah-Hartman
Browse files

f2fs: fix to don't trigger writeback during recovery 



[ Upstream commit 64c74a7ab505ea40d1b3e5d02735ecab08ae1b14 ]

- f2fs_fill_super
 - recover_fsync_data
  - recover_data
   - del_fsync_inode
    - iput
     - iput_final
      - write_inode_now
       - f2fs_write_inode
        - f2fs_balance_fs
         - f2fs_balance_fs_bg
          - sync_dirty_inodes

With data_flush mount option, during recovery, in order to avoid entering
above writeback flow, let's detect recovery status and do skip in
f2fs_balance_fs_bg.

Signed-off-by: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarYunlei He <heyunlei@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: default avatarSasha Levin <alexander.levin@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f3f02919

fs/f2fs/segment.c

+3 −0
Original line number Diff line number Diff line
@@ -435,6 +435,9 @@ void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need) 


void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi)

{

	if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))

		return;



	/* try to shrink extent cache when there is no enough memory */

	if (!available_free_memory(sbi, EXTENT_CACHE))

		f2fs_shrink_extent_tree(sbi, EXTENT_CACHE_SHRINK_NUMBER);