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f2fs: move dir data flush to write checkpoint process

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This patch move dir data flush to write checkpoint process, by
doing this, it may reduce some time for dir fsync.

pre:
	-f2fs_do_sync_file enter
		-file_write_and_wait_range  <- flush & wait
		-write_checkpoint
			-do_checkpoint	    <- wait all
	-f2fs_do_sync_file exit

now:
	-f2fs_do_sync_file enter
		-write_checkpoint
			-block_operations   <- flush dir & no wait
			-do_checkpoint	    <- wait all
	-f2fs_do_sync_file exit

Signed-off-by: Yunlei He <heyunlei@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Yunlei He 2018-11-06 10:25:29 +08:00 committed by Jaegeuk Kim
parent 155c62fe9c
commit b61ac5b720
1 changed files with 3 additions and 0 deletions
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3
fs/f2fs/file.c
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@ -216,6 +216,9 @@ static int f2fs_do_sync_file(struct file *file, loff_t start, loff_t end,
trace_f2fs_sync_file_enter(inode);
if (S_ISDIR(inode->i_mode))
goto go_write;
/* if fdatasync is triggered, let's do in-place-update */
if (datasync || get_dirty_pages(inode) <= SM_I(sbi)->min_fsync_blocks)
set_inode_flag(inode, FI_NEED_IPU);