From: Darrick J. Wong <djwong@xxxxxxxxxx> Update the scrub ioctl manpage to reflect the new metadir path scrubber. Signed-off-by: "Darrick J. Wong" <djwong@xxxxxxxxxx> Reviewed-by: Christoph Hellwig <hch@xxxxxx> --- man/man2/ioctl_xfs_scrub_metadata.2 | 44 +++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/man/man2/ioctl_xfs_scrub_metadata.2 b/man/man2/ioctl_xfs_scrub_metadata.2 index 44aa139b297a3b..1e7e327b37d226 100644 --- a/man/man2/ioctl_xfs_scrub_metadata.2 +++ b/man/man2/ioctl_xfs_scrub_metadata.2 @@ -200,6 +200,50 @@ .SH DESCRIPTION Mark everything healthy after a clean scrub run. This clears out all the indirect health problem markers that might remain in the system. + +.TP +.B XFS_SCRUB_TYPE_METAPATH +Check that a metadata directory path actually points to the active metadata +inode. +Metadata inodes are usually cached for the duration of the mount, so this +scrubber ensures that the same inode will still be reachable after an unmount +and mount cycle. +Discrepancies can happen if the directory or parent pointer scrubbers rebuild +a metadata directory but lose a link in the process. +The +.B sm_ino +field should be passed one of the following special values to communicate which +path to check: + +.RS 7 +.TP +.B XFS_SCRUB_METAPATH_RTDIR +Realtime metadata file subdirectory. +.TP +.B XFS_SCRUB_METAPATH_RTBITMAP +Realtime bitmap file. +.TP +.B XFS_SCRUB_METAPATH_RTSUMMARY +Realtime summary file. +.TP +.B XFS_SCRUB_METAPATH_QUOTADIR +Quota metadata file subdirectory. +.TP +.B XFS_SCRUB_METAPATH_USRQUOTA +User quota file. +.TP +.B XFS_SCRUB_METAPATH_GRPQUOTA +Group quota file. +.TP +.B XFS_SCRUB_METAPATH_PRJQUOTA +Project quota file. +.RE + +The values of +.I sm_agno +and +.I sm_gen +must be zero. .RE .PD 1
