提交 dcf9585a 编写于 作者: C Christoph Hellwig 提交者: Darrick J. Wong

xfs: return the converted extent in __xfs_reflink_convert_cow

We'll need it for the direct I/O code.  Also rename the function to
xfs_reflink_convert_cow_extent to describe it a bit better.
Signed-off-by: NChristoph Hellwig <hch@lst.de>
Reviewed-by: NDarrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: NDarrick J. Wong <darrick.wong@oracle.com>
上级 f13eb205
......@@ -332,20 +332,19 @@ xfs_reflink_convert_cow_extent(
xfs_filblks_t count_fsb,
struct xfs_defer_ops *dfops)
{
struct xfs_bmbt_irec irec = *imap;
xfs_fsblock_t first_block;
int nimaps = 1;
if (imap->br_state == XFS_EXT_NORM)
return 0;
xfs_trim_extent(&irec, offset_fsb, count_fsb);
trace_xfs_reflink_convert_cow(ip, &irec);
if (irec.br_blockcount == 0)
xfs_trim_extent(imap, offset_fsb, count_fsb);
trace_xfs_reflink_convert_cow(ip, imap);
if (imap->br_blockcount == 0)
return 0;
return xfs_bmapi_write(NULL, ip, irec.br_startoff, irec.br_blockcount,
return xfs_bmapi_write(NULL, ip, imap->br_startoff, imap->br_blockcount,
XFS_BMAPI_COWFORK | XFS_BMAPI_CONVERT, &first_block,
0, &irec, &nimaps, dfops);
0, imap, &nimaps, dfops);
}
/* Convert all of the unwritten CoW extents in a file's range to real ones. */
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册
新手
引导
客服 返回
顶部