[PATCH 6.1 CANDIDATE 23/24] xfs: get root inode correctly at bulkstat

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From: Hironori Shiina <shiina.hironori@xxxxxxxxx>

[ Upstream commit 817644fa4525258992f17fecf4f1d6cdd2e1b731 ]

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@xxxxxxxxxxx>
Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx>
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
Signed-off-by: Leah Rumancik <leah.rumancik@xxxxxxxxx>
 fs/xfs/xfs_ioctl.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 1f783e979629..85fbb3b71d1c 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -754,7 +754,7 @@ xfs_bulkstat_fmt(
 static int
 	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) {
-			hdr->ino = mp->m_sb.sb_rootino;
+			breq->startino = mp->m_sb.sb_rootino;
 			return -EINVAL;

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