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Commit 684ca7e5 authored by Kinglong Mee's avatar Kinglong Mee Committed by Jaegeuk Kim
Browse files

f2fs: avoid stat_inc_atomic_write for non-atomic file 



After filemap_write_and_wait_range fail, the FI_ATOMIC_FILE flags is removed,
so that f2fs should not increase the stat of atomic_write.

Signed-off-by: default avatarKinglong Mee <kinglongmee@gmail.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent a58f2449

fs/f2fs/file.c

+7 −3
Original line number Diff line number Diff line
@@ -1533,17 +1533,21 @@ static int f2fs_ioc_start_atomic_write(struct file *filp) 
	f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);



	if (!get_dirty_pages(inode))

		goto out;

		goto inc_stat;



	f2fs_msg(F2FS_I_SB(inode)->sb, KERN_WARNING,

		"Unexpected flush for atomic writes: ino=%lu, npages=%u",

					inode->i_ino, get_dirty_pages(inode));

	ret = filemap_write_and_wait_range(inode->i_mapping, 0, LLONG_MAX);

	if (ret)

	if (ret) {

		clear_inode_flag(inode, FI_ATOMIC_FILE);

out:

		goto out;

	}



inc_stat:

	stat_inc_atomic_write(inode);

	stat_update_max_atomic_write(inode);

out:

	inode_unlock(inode);

	mnt_drop_write_file(filp);

	return ret;