xfs: get root inode correctly at bulkstat
The root inode number should be set to `breq->startino` for getting stat
information of the root when XFS_BULK_IREQ_SPECIAL_ROOT is used.
Otherwise, the inode search is started from 1
(XFS_BULK_IREQ_SPECIAL_ROOT) and the inode with the lowest number in a
filesystem is returned.
Fixes: bf3cb3944792 ("xfs: allow single bulkstat of special inodes")
Signed-off-by: Hironori Shiina <shiina.hironori@fujitsu.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 13f1b2a..736510b 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -754,7 +754,7 @@ xfs_bulkstat_fmt(
static int
xfs_bulk_ireq_setup(
struct xfs_mount *mp,
- struct xfs_bulk_ireq *hdr,
+ const struct xfs_bulk_ireq *hdr,
struct xfs_ibulk *breq,
void __user *ubuffer)
{
@@ -780,7 +780,7 @@ xfs_bulk_ireq_setup(
switch (hdr->ino) {
case XFS_BULK_IREQ_SPECIAL_ROOT:
- hdr->ino = mp->m_sb.sb_rootino;
+ breq->startino = mp->m_sb.sb_rootino;
break;
default:
return -EINVAL;
