xfs: use XFS_BUF_DADDR_NULL for daddrs in getfsmap code
authorDarrick J. Wong <djwong@kernel.org>
Fri, 23 Aug 2024 00:00:20 +0000 (17:00 -0700)
committerChandan Babu R <chandanbabu@kernel.org>
Tue, 27 Aug 2024 13:02:08 +0000 (18:32 +0530)
commit6b35cc8d9239569700cc7cc737c8ed40b8b9cfdb
treef316f7a052f52b57c358a6a98bad46e4546a8ed5
parent68415b349f3f16904f006275757f4fcb34b8ee43
xfs: use XFS_BUF_DADDR_NULL for daddrs in getfsmap code

Use XFS_BUF_DADDR_NULL (instead of a magic sentinel value) to mean "this
field is null" like the rest of xfs.

Cc: wozizhi@huawei.com
Fixes: e89c041338ed6 ("xfs: implement the GETFSMAP ioctl")
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
fs/xfs/xfs_fsmap.c