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xfs: get root inode correctly at bulkstat

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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: bf3cb39447 ("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>
This commit is contained in:
Hironori Shiina 2022-12-26 10:11:19 -08:00 committed by Darrick J. Wong
parent c0f399ff51
commit 817644fa45
1 changed files with 2 additions and 2 deletions
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4
fs/xfs/xfs_ioctl.c
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@ -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;