diff options
Diffstat (limited to 'fs/xfs/xfs_ioctl.c')
| -rw-r--r-- | fs/xfs/xfs_ioctl.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index e1e1d9d6c16d..6bf04e71325b 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -854,6 +854,25 @@ xfs_bulk_ireq_setup( breq->flags = 0; /* + * The @ino parameter is a special value, so we must look it up here. + * We're not allowed to have IREQ_AGNO, and we only return one inode + * worth of data. + */ + if (hdr->flags & XFS_BULK_IREQ_SPECIAL) { + if (hdr->flags & XFS_BULK_IREQ_AGNO) + return -EINVAL; + + switch (hdr->ino) { + case XFS_BULK_IREQ_SPECIAL_ROOT: + hdr->ino = mp->m_sb.sb_rootino; + break; + default: + return -EINVAL; + } + breq->icount = 1; + } + + /* * The IREQ_AGNO flag means that we only want results from a given AG. * If @hdr->ino is zero, we start iterating in that AG. If @hdr->ino is * beyond the specified AG then we return no results. |