Commit 1bd08430 authored by Darrick J. Wong's avatar Darrick J. Wong
Browse files

xfs: repair inodes that have realtime extents 



Plumb into the inode core repair code the ability to search for extents
on realtime devices.

Signed-off-by: default avatar"Darrick J. Wong" <djwong@kernel.org>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
parent f1a6d9b4

fs/xfs/scrub/inode_repair.c

+57 −1
Original line number Diff line number Diff line
@@ -38,6 +38,8 @@ 
#include "xfs_log_priv.h"

#include "xfs_health.h"

#include "xfs_symlink_remote.h"

#include "xfs_rtgroup.h"

#include "xfs_rtrmap_btree.h"

#include "scrub/xfs_scrub.h"

#include "scrub/scrub.h"

#include "scrub/common.h"
@@ -773,17 +775,71 @@ xrep_dinode_count_ag_rmaps( 
	return error;

}



/* Count extents and blocks for an inode given an rt rmap. */

STATIC int

xrep_dinode_walk_rtrmap(

	struct xfs_btree_cur		*cur,

	const struct xfs_rmap_irec	*rec,

	void				*priv)

{

	struct xrep_inode		*ri = priv;

	int				error = 0;



	if (xchk_should_terminate(ri->sc, &error))

		return error;



	/* We only care about this inode. */

	if (rec->rm_owner != ri->sc->sm->sm_ino)

		return 0;



	if (rec->rm_flags & (XFS_RMAP_ATTR_FORK | XFS_RMAP_BMBT_BLOCK))

		return -EFSCORRUPTED;



	ri->rt_blocks += rec->rm_blockcount;

	ri->rt_extents++;

	return 0;

}



/* Count extents and blocks for an inode from all realtime rmap data. */

STATIC int

xrep_dinode_count_rtgroup_rmaps(

	struct xrep_inode	*ri,

	struct xfs_rtgroup	*rtg)

{

	struct xfs_scrub	*sc = ri->sc;

	int			error;



	error = xrep_rtgroup_init(sc, rtg, &sc->sr, XFS_RTGLOCK_RMAP);

	if (error)

		return error;



	error = xfs_rmap_query_all(sc->sr.rmap_cur, xrep_dinode_walk_rtrmap,

			ri);

	xchk_rtgroup_btcur_free(&sc->sr);

	xchk_rtgroup_free(sc, &sc->sr);

	return error;

}



/* Count extents and blocks for a given inode from all rmap data. */

STATIC int

xrep_dinode_count_rmaps(

	struct xrep_inode	*ri)

{

	struct xfs_perag	*pag = NULL;

	struct xfs_rtgroup	*rtg = NULL;

	int			error;



	if (!xfs_has_rmapbt(ri->sc->mp) || xfs_has_realtime(ri->sc->mp))

	if (!xfs_has_rmapbt(ri->sc->mp))

		return -EOPNOTSUPP;



	while ((rtg = xfs_rtgroup_next(ri->sc->mp, rtg))) {

		error = xrep_dinode_count_rtgroup_rmaps(ri, rtg);

		if (error) {

			xfs_rtgroup_rele(rtg);

			return error;

		}

	}



	while ((pag = xfs_perag_next(ri->sc->mp, pag))) {

		error = xrep_dinode_count_ag_rmaps(ri, pag);

		if (error) {