diff mbox

xfs_repair: check and repair quota metadata

Message ID 9e494d70-53bd-db81-c118-73ef7eaad667@redhat.com (mailing list archive)
State Superseded
Headers show

Commit Message

Eric Sandeen May 7, 2018, 2:20 p.m. UTC
Today, quota inodes are not checked at all in xfs_repair.  (This is
a little odd, because xfs_check used to do it in process_quota()).

The kernel has quota inode validation and repair routines, but it is
out of the ordinary for the kernel to be doing metadata repair.  And
now that we have metadata verifiers, this also yields a surprisingly
noisy mount if quota inodes are corrupted, even immediately after an
xfs_repair.

So this patch allows xfs_repair to fix the quota inode metadata.

Quotacheck is still left for the kernel.  After a few more releases,
I'll propose removing the repair calls from the kernel, and move the
repair functions from libxfs/ into the repair code.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
---

This will need a bit of adjustment when my other quota patches land
in 4.18, but that should be no big deal.


--
To unsubscribe from this list: send the line "unsubscribe linux-xfs" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Comments

Darrick J. Wong May 7, 2018, 4:32 p.m. UTC | #1
On Mon, May 07, 2018 at 09:20:28AM -0500, Eric Sandeen wrote:
> Today, quota inodes are not checked at all in xfs_repair.  (This is
> a little odd, because xfs_check used to do it in process_quota()).
> 
> The kernel has quota inode validation and repair routines, but it is
> out of the ordinary for the kernel to be doing metadata repair.  And
> now that we have metadata verifiers, this also yields a surprisingly
> noisy mount if quota inodes are corrupted, even immediately after an
> xfs_repair.
> 
> So this patch allows xfs_repair to fix the quota inode metadata.
> 
> Quotacheck is still left for the kernel.  After a few more releases,
> I'll propose removing the repair calls from the kernel, and move the
> repair functions from libxfs/ into the repair code.
> 
> Signed-off-by: Eric Sandeen <sandeen@redhat.com>
> ---
> 
> This will need a bit of adjustment when my other quota patches land
> in 4.18, but that should be no big deal.
> 
> diff --git a/libxfs/libxfs_priv.h b/libxfs/libxfs_priv.h
> index ab195f5f..e5eb3de1 100644
> --- a/libxfs/libxfs_priv.h
> +++ b/libxfs/libxfs_priv.h
> @@ -196,8 +196,6 @@ enum ce { CE_DEBUG, CE_CONT, CE_NOTE, CE_WARN, CE_ALERT, CE_PANIC };
>  # define barrier() __memory_barrier()
>  #endif
>  
> -#define XFS_DQUOT_CLUSTER_SIZE_FSB (xfs_filblks_t)1
> -
>  /* miscellaneous kernel routines not in user space */
>  #define down_read(a)		((void) 0)
>  #define up_read(a)		((void) 0)
> diff --git a/libxfs/xfs_quota_defs.h b/libxfs/xfs_quota_defs.h
> index bb1b13a9..067475e2 100644
> --- a/libxfs/xfs_quota_defs.h
> +++ b/libxfs/xfs_quota_defs.h
> @@ -30,6 +30,8 @@
>  typedef uint64_t	xfs_qcnt_t;
>  typedef uint16_t	xfs_qwarncnt_t;
>  
> +#define XFS_DQUOT_CLUSTER_SIZE_FSB (xfs_filblks_t)1

Requires a kernel patch, right? :)

> +
>  /*
>   * flags for q_flags field in the dquot.
>   */
> diff --git a/repair/dinode.c b/repair/dinode.c
> index 9af4f058..a4887f8c 100644
> --- a/repair/dinode.c
> +++ b/repair/dinode.c
> @@ -1277,6 +1277,118 @@ null_check(char *name, int length)
>  	return(0);
>  }
>  
> +/*
> + * This does /not/ do quotacheck, it validates the basic quota
> + * inode metadata, checksums, etc.
> + */
> +#define uuid_equal(s,d) (platform_uuid_compare((s),(d)) == 0)
> +static int
> +process_quota_inode(
> +	struct xfs_mount	*mp,
> +	xfs_ino_t		lino,
> +	struct xfs_dinode	*dino,
> +	uint			ino_type,
> +	struct blkmap		*blkmap)
> +{
> +	xfs_fsblock_t		fsbno;
> +	struct xfs_buf		*bp;
> +	xfs_filblks_t		dqchunklen;
> +	uint			dqperchunk;
> +	int			quota_type;
> +	char			*quota_string;
> +	xfs_dqid_t		dqid;
> +	xfs_fileoff_t		qbno;
> +	int			i;
> +	int			t = 0;
> +
> +	switch (ino_type) {
> +		case XR_INO_UQUOTA:
> +			quota_type = XFS_DQ_USER;
> +			quota_string = _("User quota");
> +			break;
> +		case XR_INO_GQUOTA:
> +			quota_type = XFS_DQ_GROUP;
> +			quota_string = _("Group quota");
> +			break;
> +		case XR_INO_PQUOTA:
> +			quota_type = XFS_DQ_PROJ;
> +			quota_string = _("Project quota");
> +			break;
> +		default:
> +			ASSERT(0);
> +	}
> +
> +	dqchunklen = XFS_FSB_TO_BB(mp, XFS_DQUOT_CLUSTER_SIZE_FSB);
> +	dqperchunk = xfs_calc_dquots_per_chunk(dqchunklen);
> +	dqid = 0;
> +	qbno = NULLFILEOFF;
> +
> +	while ((qbno = blkmap_next_off(blkmap, qbno, &t)) != NULLFILEOFF) {
> +		xfs_dqblk_t	*dqb;
> +		int		writebuf = 0;
> +
> +		fsbno = blkmap_get(blkmap, qbno);
> +		dqid = (xfs_dqid_t)qbno * dqperchunk;
> +
> +		bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, fsbno),
> +				    dqchunklen, 0, &xfs_dquot_buf_ops);
> +		if (!bp) {
> +			do_warn(
> +_("cannot read inode %" PRIu64 ", file block %" PRIu64 ", disk block %" PRIu64 "\n"),
> +				lino, qbno, fsbno);
> +			return 1;
> +		}
> +
> +		dqb = bp->b_addr;
> +		for (i = 0; i < dqperchunk; i++, dqid++, dqb++) {
> +			xfs_failaddr_t	fa;
> +			int		bad_dqb = 0;
> +
> +			/* We only print the first problem we find */
> +			if (xfs_sb_version_hascrc(&mp->m_sb)) {
> +				if (!xfs_verify_cksum((char *)dqb, sizeof(*dqb),
> +							XFS_DQUOT_CRC_OFF)) {
> +					do_warn(_("%s: bad CRC for id %u. "),
> +							quota_string, dqid);
> +					bad_dqb = 1;
> +					goto bad;
> +				}
> +
> +				if (!uuid_equal(&dqb->dd_uuid,
> +						&mp->m_sb.sb_meta_uuid)) {
> +					do_warn(_("%s: bad UUID for id %u. "),
> +							quota_string, dqid);
> +					bad_dqb = 1;
> +					goto bad;
> +				}
> +			}
> +			fa = xfs_dquot_verify(mp, &dqb->dd_diskdq, dqid, quota_type, 0);
> +			if (fa) {
> +				do_warn(_("%s: Corrupt quota for id %u. "),
> +						quota_string, dqid);
> +				bad_dqb = 1;
> +			}
> +
> +bad:
> +			if (bad_dqb) {
> +				if (no_modify)
> +					do_warn(_("Would correct.\n"));
> +				else {
> +					do_warn(_("Corrected.\n"));
> +					xfs_dquot_repair(mp, &dqb->dd_diskdq, dqid, quota_type);
> +					writebuf = 1;
> +				}
> +			}
> +		}
> +
> +		if (writebuf && !no_modify)
> +			libxfs_writebuf(bp, 0);
> +		else
> +			libxfs_putbuf(bp);
> +	}
> +	return 0;
> +}
> +
>  static int
>  process_symlink_remote(
>  	struct xfs_mount	*mp,
> @@ -1479,6 +1591,13 @@ _("size of socket inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino,
>  _("size of fifo inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino,
>  				(int64_t)be64_to_cpu(dino->di_size));
>  			break;
> +		case XR_INO_UQUOTA:
> +		case XR_INO_GQUOTA:
> +		case XR_INO_PQUOTA:
> +			do_warn(
> +_("size of quota inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino,
> +				(int64_t)be64_to_cpu(dino->di_size));
> +			break;
>  		default:
>  			do_warn(_("Internal error - process_misc_ino_types, "
>  				  "illegal type %d\n"), type);
> @@ -1599,7 +1718,7 @@ process_check_sb_inodes(
>  	int		*dirty)
>  {
>  	if (lino == mp->m_sb.sb_rootino) {
> -	 	if (*type != XR_INO_DIR)  {
> +		if (*type != XR_INO_DIR)  {
>  			do_warn(_("root inode %" PRIu64 " has bad type 0x%x\n"),
>  				lino, dinode_fmt(dinoc));
>  			*type = XR_INO_DIR;
> @@ -1613,7 +1732,7 @@ process_check_sb_inodes(
>  		return 0;
>  	}
>  	if (lino == mp->m_sb.sb_uquotino)  {
> -		if (*type != XR_INO_DATA)  {
> +		if (*type != XR_INO_UQUOTA)  {
>  			do_warn(_("user quota inode %" PRIu64 " has bad type 0x%x\n"),
>  				lino, dinode_fmt(dinoc));
>  			mp->m_sb.sb_uquotino = NULLFSINO;
> @@ -1622,7 +1741,7 @@ process_check_sb_inodes(
>  		return 0;
>  	}
>  	if (lino == mp->m_sb.sb_gquotino)  {
> -		if (*type != XR_INO_DATA)  {
> +		if (*type != XR_INO_GQUOTA)  {
>  			do_warn(_("group quota inode %" PRIu64 " has bad type 0x%x\n"),
>  				lino, dinode_fmt(dinoc));
>  			mp->m_sb.sb_gquotino = NULLFSINO;
> @@ -1631,7 +1750,7 @@ process_check_sb_inodes(
>  		return 0;
>  	}
>  	if (lino == mp->m_sb.sb_pquotino)  {
> -		if (*type != XR_INO_DATA)  {
> +		if (*type != XR_INO_PQUOTA)  {
>  			do_warn(_("project quota inode %" PRIu64 " has bad type 0x%x\n"),
>  				lino, dinode_fmt(dinoc));
>  			mp->m_sb.sb_pquotino = NULLFSINO;
> @@ -1738,6 +1857,14 @@ _("directory inode %" PRIu64 " has bad size %" PRId64 "\n"),
>  			return 1;
>  		break;
>  
> +	case XR_INO_UQUOTA:
> +	case XR_INO_GQUOTA:
> +	case XR_INO_PQUOTA:
> +		/* Quota inodes have same restrictions as above types */
> +		if (process_misc_ino_types(mp, dino, lino, type))
> +			return 1;
> +		break;
> +
>  	case XR_INO_RTDATA:
>  		/*
>  		 * if we have no realtime blocks, any inode claiming
> @@ -2620,6 +2747,12 @@ _("bad (negative) size %" PRId64 " on inode %" PRIu64 "\n"),
>  			type = XR_INO_RTBITMAP;
>  		else if (lino == mp->m_sb.sb_rsumino)
>  			type = XR_INO_RTSUM;
> +		else if (lino == mp->m_sb.sb_uquotino)
> +			type = XR_INO_UQUOTA;
> +		else if (lino == mp->m_sb.sb_gquotino)
> +			type = XR_INO_GQUOTA;
> +		else if (lino == mp->m_sb.sb_pquotino)
> +			type = XR_INO_PQUOTA;
>  		else
>  			type = XR_INO_DATA;
>  		break;
> @@ -2784,6 +2917,15 @@ _("Cannot have CoW extent size of zero on cowextsize inode %" PRIu64 ", "),
>  			goto clear_bad_out;
>  		}
>  		break;
> +	case XR_INO_UQUOTA:
> +	case XR_INO_GQUOTA:
> +	case XR_INO_PQUOTA:
> +		if (process_quota_inode(mp, lino, dino, type, dblkmap) != 0) {
> +			do_warn(
> +	_("problem with quota inode %" PRIu64 "\n"), lino);
> +			goto clear_bad_out;
> +		}
> +		break;
>  	default:
>  		break;
>  	}
> diff --git a/repair/incore.h b/repair/incore.h
> index fd66084f..78a0ed30 100644
> --- a/repair/incore.h
> +++ b/repair/incore.h
> @@ -222,13 +222,16 @@ int		count_bcnt_extents(xfs_agnumber_t);
>  #define XR_INO_RTDATA	2		/* realtime file */
>  #define XR_INO_RTBITMAP	3		/* realtime bitmap inode */
>  #define XR_INO_RTSUM	4		/* realtime summary inode */
> -#define XR_INO_DATA	5		/* regular file */
> -#define XR_INO_SYMLINK	6		/* symlink */
> -#define XR_INO_CHRDEV	7		/* character device */
> -#define XR_INO_BLKDEV	8		/* block device */
> -#define XR_INO_SOCK	9		/* socket */
> -#define XR_INO_FIFO	10		/* fifo */
> -#define XR_INO_MOUNTPOINT 11		/* mountpoint */
> +#define XR_INO_UQUOTA	5		/* user quota inode */
> +#define XR_INO_GQUOTA	6		/* group quota inode */
> +#define XR_INO_PQUOTA	7		/* project quota inode */

/me wonders, is there an advantage/requirement to insert the three quota
inode types in the middle of the range instead of tacking them on the
end?

Anyway the rest mostly looks ok to me.

--D

> +#define XR_INO_DATA	8		/* regular file */
> +#define XR_INO_SYMLINK	9		/* symlink */
> +#define XR_INO_CHRDEV	10		/* character device */
> +#define XR_INO_BLKDEV	11		/* block device */
> +#define XR_INO_SOCK	12		/* socket */
> +#define XR_INO_FIFO	13		/* fifo */
> +#define XR_INO_MOUNTPOINT 14		/* mountpoint */
>  
>  /* inode allocation tree */
>  
> 
> --
> To unsubscribe from this list: send the line "unsubscribe linux-xfs" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
--
To unsubscribe from this list: send the line "unsubscribe linux-xfs" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Eric Sandeen May 7, 2018, 4:44 p.m. UTC | #2
On 5/7/18 11:32 AM, Darrick J. Wong wrote:

>> diff --git a/libxfs/xfs_quota_defs.h b/libxfs/xfs_quota_defs.h
>> index bb1b13a9..067475e2 100644
>> --- a/libxfs/xfs_quota_defs.h
>> +++ b/libxfs/xfs_quota_defs.h
>> @@ -30,6 +30,8 @@
>>  typedef uint64_t	xfs_qcnt_t;
>>  typedef uint16_t	xfs_qwarncnt_t;
>>  
>> +#define XFS_DQUOT_CLUSTER_SIZE_FSB (xfs_filblks_t)1
> 
> Requires a kernel patch, right? :)

oh derp, I'll move that elsewhere, maybe the non-priv userspace
libxfs header, I'll see.


>> diff --git a/repair/incore.h b/repair/incore.h
>> index fd66084f..78a0ed30 100644
>> --- a/repair/incore.h
>> +++ b/repair/incore.h
>> @@ -222,13 +222,16 @@ int		count_bcnt_extents(xfs_agnumber_t);
>>  #define XR_INO_RTDATA	2		/* realtime file */
>>  #define XR_INO_RTBITMAP	3		/* realtime bitmap inode */
>>  #define XR_INO_RTSUM	4		/* realtime summary inode */
>> -#define XR_INO_DATA	5		/* regular file */
>> -#define XR_INO_SYMLINK	6		/* symlink */
>> -#define XR_INO_CHRDEV	7		/* character device */
>> -#define XR_INO_BLKDEV	8		/* block device */
>> -#define XR_INO_SOCK	9		/* socket */
>> -#define XR_INO_FIFO	10		/* fifo */
>> -#define XR_INO_MOUNTPOINT 11		/* mountpoint */
>> +#define XR_INO_UQUOTA	5		/* user quota inode */
>> +#define XR_INO_GQUOTA	6		/* group quota inode */
>> +#define XR_INO_PQUOTA	7		/* project quota inode */
> 
> /me wonders, is there an advantage/requirement to insert the three quota
> inode types in the middle of the range instead of tacking them on the
> end?
> 
> Anyway the rest mostly looks ok to me.

Probably not, I was grouping the internal special inodes together IIRC, but
happy just move them to the end if that's preferable.

-Eric

--
To unsubscribe from this list: send the line "unsubscribe linux-xfs" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Darrick J. Wong May 7, 2018, 4:59 p.m. UTC | #3
On Mon, May 07, 2018 at 11:44:00AM -0500, Eric Sandeen wrote:
> On 5/7/18 11:32 AM, Darrick J. Wong wrote:
> 
> >> diff --git a/libxfs/xfs_quota_defs.h b/libxfs/xfs_quota_defs.h
> >> index bb1b13a9..067475e2 100644
> >> --- a/libxfs/xfs_quota_defs.h
> >> +++ b/libxfs/xfs_quota_defs.h
> >> @@ -30,6 +30,8 @@
> >>  typedef uint64_t	xfs_qcnt_t;
> >>  typedef uint16_t	xfs_qwarncnt_t;
> >>  
> >> +#define XFS_DQUOT_CLUSTER_SIZE_FSB (xfs_filblks_t)1
> > 
> > Requires a kernel patch, right? :)
> 
> oh derp, I'll move that elsewhere, maybe the non-priv userspace
> libxfs header, I'll see.

<shrug> Seems like a trivial mod...

> 
> >> diff --git a/repair/incore.h b/repair/incore.h
> >> index fd66084f..78a0ed30 100644
> >> --- a/repair/incore.h
> >> +++ b/repair/incore.h
> >> @@ -222,13 +222,16 @@ int		count_bcnt_extents(xfs_agnumber_t);
> >>  #define XR_INO_RTDATA	2		/* realtime file */
> >>  #define XR_INO_RTBITMAP	3		/* realtime bitmap inode */
> >>  #define XR_INO_RTSUM	4		/* realtime summary inode */
> >> -#define XR_INO_DATA	5		/* regular file */
> >> -#define XR_INO_SYMLINK	6		/* symlink */
> >> -#define XR_INO_CHRDEV	7		/* character device */
> >> -#define XR_INO_BLKDEV	8		/* block device */
> >> -#define XR_INO_SOCK	9		/* socket */
> >> -#define XR_INO_FIFO	10		/* fifo */
> >> -#define XR_INO_MOUNTPOINT 11		/* mountpoint */
> >> +#define XR_INO_UQUOTA	5		/* user quota inode */
> >> +#define XR_INO_GQUOTA	6		/* group quota inode */
> >> +#define XR_INO_PQUOTA	7		/* project quota inode */
> > 
> > /me wonders, is there an advantage/requirement to insert the three quota
> > inode types in the middle of the range instead of tacking them on the
> > end?
> > 
> > Anyway the rest mostly looks ok to me.
> 
> Probably not, I was grouping the internal special inodes together IIRC, but
> happy just move them to the end if that's preferable.

Ok.  I wasn't sure if there was some hidden ordering requirement buried
in here, but at a first glance I didn't see a reason to renumber the
whole list.

--D

> -Eric
> 
> --
> To unsubscribe from this list: send the line "unsubscribe linux-xfs" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
--
To unsubscribe from this list: send the line "unsubscribe linux-xfs" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Dave Chinner May 7, 2018, 11:28 p.m. UTC | #4
On Mon, May 07, 2018 at 09:32:42AM -0700, Darrick J. Wong wrote:
> On Mon, May 07, 2018 at 09:20:28AM -0500, Eric Sandeen wrote:
> > Today, quota inodes are not checked at all in xfs_repair.  (This is
> > a little odd, because xfs_check used to do it in process_quota()).
> > 
> > The kernel has quota inode validation and repair routines, but it is
> > out of the ordinary for the kernel to be doing metadata repair.  And
> > now that we have metadata verifiers, this also yields a surprisingly
> > noisy mount if quota inodes are corrupted, even immediately after an
> > xfs_repair.
> > 
> > So this patch allows xfs_repair to fix the quota inode metadata.
> > 
> > Quotacheck is still left for the kernel.  After a few more releases,
> > I'll propose removing the repair calls from the kernel, and move the
> > repair functions from libxfs/ into the repair code.
> > 
> > Signed-off-by: Eric Sandeen <sandeen@redhat.com>
> > ---
> > 
> > This will need a bit of adjustment when my other quota patches land
> > in 4.18, but that should be no big deal.
> > 
> > diff --git a/libxfs/libxfs_priv.h b/libxfs/libxfs_priv.h
> > index ab195f5f..e5eb3de1 100644
> > --- a/libxfs/libxfs_priv.h
> > +++ b/libxfs/libxfs_priv.h
> > @@ -196,8 +196,6 @@ enum ce { CE_DEBUG, CE_CONT, CE_NOTE, CE_WARN, CE_ALERT, CE_PANIC };
> >  # define barrier() __memory_barrier()
> >  #endif
> >  
> > -#define XFS_DQUOT_CLUSTER_SIZE_FSB (xfs_filblks_t)1
> > -
> >  /* miscellaneous kernel routines not in user space */
> >  #define down_read(a)		((void) 0)
> >  #define up_read(a)		((void) 0)
> > diff --git a/libxfs/xfs_quota_defs.h b/libxfs/xfs_quota_defs.h
> > index bb1b13a9..067475e2 100644
> > --- a/libxfs/xfs_quota_defs.h
> > +++ b/libxfs/xfs_quota_defs.h
> > @@ -30,6 +30,8 @@
> >  typedef uint64_t	xfs_qcnt_t;
> >  typedef uint16_t	xfs_qwarncnt_t;
> >  
> > +#define XFS_DQUOT_CLUSTER_SIZE_FSB (xfs_filblks_t)1
> 
> Requires a kernel patch, right? :)

It's already defined in the kernel in fs/xfs/xfs_qm.h.

And userspace also defines it as a private define to allow libxfs to
build:

$ git grep XFS_DQUOT_CLUSTER_SIZE_FSB
libxfs/libxfs_priv.h:#define XFS_DQUOT_CLUSTER_SIZE_FSB (xfs_filblks_t)1
libxfs/xfs_trans_resv.c:                        XFS_FSB_TO_B(mp, XFS_DQUOT_CLUSTER_SIZE_FSB) - 1);
libxfs/xfs_trans_space.h:        XFS_DQUOT_CLUSTER_SIZE_FSB)
$

If it's going to be used outside libxfs in userspace, then it should
be lifted to a libxfs header file both in the kernel and userspace,
such as fs/xfs/xfs_quota_defs.h....

Cheers,

Dave.
Eric Sandeen May 7, 2018, 11:30 p.m. UTC | #5
On 5/7/18 6:28 PM, Dave Chinner wrote:
> On Mon, May 07, 2018 at 09:32:42AM -0700, Darrick J. Wong wrote:
>> On Mon, May 07, 2018 at 09:20:28AM -0500, Eric Sandeen wrote:

...

>>> diff --git a/libxfs/xfs_quota_defs.h b/libxfs/xfs_quota_defs.h
>>> index bb1b13a9..067475e2 100644
>>> --- a/libxfs/xfs_quota_defs.h
>>> +++ b/libxfs/xfs_quota_defs.h
>>> @@ -30,6 +30,8 @@
>>>  typedef uint64_t	xfs_qcnt_t;
>>>  typedef uint16_t	xfs_qwarncnt_t;
>>>  
>>> +#define XFS_DQUOT_CLUSTER_SIZE_FSB (xfs_filblks_t)1
>>
>> Requires a kernel patch, right? :)
> 
> It's already defined in the kernel in fs/xfs/xfs_qm.h.
> 
> And userspace also defines it as a private define to allow libxfs to
> build:
> 
> $ git grep XFS_DQUOT_CLUSTER_SIZE_FSB
> libxfs/libxfs_priv.h:#define XFS_DQUOT_CLUSTER_SIZE_FSB (xfs_filblks_t)1
> libxfs/xfs_trans_resv.c:                        XFS_FSB_TO_B(mp, XFS_DQUOT_CLUSTER_SIZE_FSB) - 1);
> libxfs/xfs_trans_space.h:        XFS_DQUOT_CLUSTER_SIZE_FSB)
> $
> 
> If it's going to be used outside libxfs in userspace, then it should
> be lifted to a libxfs header file both in the kernel and userspace,
> such as fs/xfs/xfs_quota_defs.h....


Ok, which is what I did in the first place.  :)  Ok, so can change it
on the kernel side to keep up with this patch, then.

Thanks,
-Eric

--
To unsubscribe from this list: send the line "unsubscribe linux-xfs" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
diff mbox

Patch

diff --git a/libxfs/libxfs_priv.h b/libxfs/libxfs_priv.h
index ab195f5f..e5eb3de1 100644
--- a/libxfs/libxfs_priv.h
+++ b/libxfs/libxfs_priv.h
@@ -196,8 +196,6 @@  enum ce { CE_DEBUG, CE_CONT, CE_NOTE, CE_WARN, CE_ALERT, CE_PANIC };
 # define barrier() __memory_barrier()
 #endif
 
-#define XFS_DQUOT_CLUSTER_SIZE_FSB (xfs_filblks_t)1
-
 /* miscellaneous kernel routines not in user space */
 #define down_read(a)		((void) 0)
 #define up_read(a)		((void) 0)
diff --git a/libxfs/xfs_quota_defs.h b/libxfs/xfs_quota_defs.h
index bb1b13a9..067475e2 100644
--- a/libxfs/xfs_quota_defs.h
+++ b/libxfs/xfs_quota_defs.h
@@ -30,6 +30,8 @@ 
 typedef uint64_t	xfs_qcnt_t;
 typedef uint16_t	xfs_qwarncnt_t;
 
+#define XFS_DQUOT_CLUSTER_SIZE_FSB (xfs_filblks_t)1
+
 /*
  * flags for q_flags field in the dquot.
  */
diff --git a/repair/dinode.c b/repair/dinode.c
index 9af4f058..a4887f8c 100644
--- a/repair/dinode.c
+++ b/repair/dinode.c
@@ -1277,6 +1277,118 @@  null_check(char *name, int length)
 	return(0);
 }
 
+/*
+ * This does /not/ do quotacheck, it validates the basic quota
+ * inode metadata, checksums, etc.
+ */
+#define uuid_equal(s,d) (platform_uuid_compare((s),(d)) == 0)
+static int
+process_quota_inode(
+	struct xfs_mount	*mp,
+	xfs_ino_t		lino,
+	struct xfs_dinode	*dino,
+	uint			ino_type,
+	struct blkmap		*blkmap)
+{
+	xfs_fsblock_t		fsbno;
+	struct xfs_buf		*bp;
+	xfs_filblks_t		dqchunklen;
+	uint			dqperchunk;
+	int			quota_type;
+	char			*quota_string;
+	xfs_dqid_t		dqid;
+	xfs_fileoff_t		qbno;
+	int			i;
+	int			t = 0;
+
+	switch (ino_type) {
+		case XR_INO_UQUOTA:
+			quota_type = XFS_DQ_USER;
+			quota_string = _("User quota");
+			break;
+		case XR_INO_GQUOTA:
+			quota_type = XFS_DQ_GROUP;
+			quota_string = _("Group quota");
+			break;
+		case XR_INO_PQUOTA:
+			quota_type = XFS_DQ_PROJ;
+			quota_string = _("Project quota");
+			break;
+		default:
+			ASSERT(0);
+	}
+
+	dqchunklen = XFS_FSB_TO_BB(mp, XFS_DQUOT_CLUSTER_SIZE_FSB);
+	dqperchunk = xfs_calc_dquots_per_chunk(dqchunklen);
+	dqid = 0;
+	qbno = NULLFILEOFF;
+
+	while ((qbno = blkmap_next_off(blkmap, qbno, &t)) != NULLFILEOFF) {
+		xfs_dqblk_t	*dqb;
+		int		writebuf = 0;
+
+		fsbno = blkmap_get(blkmap, qbno);
+		dqid = (xfs_dqid_t)qbno * dqperchunk;
+
+		bp = libxfs_readbuf(mp->m_dev, XFS_FSB_TO_DADDR(mp, fsbno),
+				    dqchunklen, 0, &xfs_dquot_buf_ops);
+		if (!bp) {
+			do_warn(
+_("cannot read inode %" PRIu64 ", file block %" PRIu64 ", disk block %" PRIu64 "\n"),
+				lino, qbno, fsbno);
+			return 1;
+		}
+
+		dqb = bp->b_addr;
+		for (i = 0; i < dqperchunk; i++, dqid++, dqb++) {
+			xfs_failaddr_t	fa;
+			int		bad_dqb = 0;
+
+			/* We only print the first problem we find */
+			if (xfs_sb_version_hascrc(&mp->m_sb)) {
+				if (!xfs_verify_cksum((char *)dqb, sizeof(*dqb),
+							XFS_DQUOT_CRC_OFF)) {
+					do_warn(_("%s: bad CRC for id %u. "),
+							quota_string, dqid);
+					bad_dqb = 1;
+					goto bad;
+				}
+
+				if (!uuid_equal(&dqb->dd_uuid,
+						&mp->m_sb.sb_meta_uuid)) {
+					do_warn(_("%s: bad UUID for id %u. "),
+							quota_string, dqid);
+					bad_dqb = 1;
+					goto bad;
+				}
+			}
+			fa = xfs_dquot_verify(mp, &dqb->dd_diskdq, dqid, quota_type, 0);
+			if (fa) {
+				do_warn(_("%s: Corrupt quota for id %u. "),
+						quota_string, dqid);
+				bad_dqb = 1;
+			}
+
+bad:
+			if (bad_dqb) {
+				if (no_modify)
+					do_warn(_("Would correct.\n"));
+				else {
+					do_warn(_("Corrected.\n"));
+					xfs_dquot_repair(mp, &dqb->dd_diskdq, dqid, quota_type);
+					writebuf = 1;
+				}
+			}
+		}
+
+		if (writebuf && !no_modify)
+			libxfs_writebuf(bp, 0);
+		else
+			libxfs_putbuf(bp);
+	}
+	return 0;
+}
+
 static int
 process_symlink_remote(
 	struct xfs_mount	*mp,
@@ -1479,6 +1591,13 @@  _("size of socket inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino,
 _("size of fifo inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino,
 				(int64_t)be64_to_cpu(dino->di_size));
 			break;
+		case XR_INO_UQUOTA:
+		case XR_INO_GQUOTA:
+		case XR_INO_PQUOTA:
+			do_warn(
+_("size of quota inode %" PRIu64 " != 0 (%" PRId64 " bytes)\n"), lino,
+				(int64_t)be64_to_cpu(dino->di_size));
+			break;
 		default:
 			do_warn(_("Internal error - process_misc_ino_types, "
 				  "illegal type %d\n"), type);
@@ -1599,7 +1718,7 @@  process_check_sb_inodes(
 	int		*dirty)
 {
 	if (lino == mp->m_sb.sb_rootino) {
-	 	if (*type != XR_INO_DIR)  {
+		if (*type != XR_INO_DIR)  {
 			do_warn(_("root inode %" PRIu64 " has bad type 0x%x\n"),
 				lino, dinode_fmt(dinoc));
 			*type = XR_INO_DIR;
@@ -1613,7 +1732,7 @@  process_check_sb_inodes(
 		return 0;
 	}
 	if (lino == mp->m_sb.sb_uquotino)  {
-		if (*type != XR_INO_DATA)  {
+		if (*type != XR_INO_UQUOTA)  {
 			do_warn(_("user quota inode %" PRIu64 " has bad type 0x%x\n"),
 				lino, dinode_fmt(dinoc));
 			mp->m_sb.sb_uquotino = NULLFSINO;
@@ -1622,7 +1741,7 @@  process_check_sb_inodes(
 		return 0;
 	}
 	if (lino == mp->m_sb.sb_gquotino)  {
-		if (*type != XR_INO_DATA)  {
+		if (*type != XR_INO_GQUOTA)  {
 			do_warn(_("group quota inode %" PRIu64 " has bad type 0x%x\n"),
 				lino, dinode_fmt(dinoc));
 			mp->m_sb.sb_gquotino = NULLFSINO;
@@ -1631,7 +1750,7 @@  process_check_sb_inodes(
 		return 0;
 	}
 	if (lino == mp->m_sb.sb_pquotino)  {
-		if (*type != XR_INO_DATA)  {
+		if (*type != XR_INO_PQUOTA)  {
 			do_warn(_("project quota inode %" PRIu64 " has bad type 0x%x\n"),
 				lino, dinode_fmt(dinoc));
 			mp->m_sb.sb_pquotino = NULLFSINO;
@@ -1738,6 +1857,14 @@  _("directory inode %" PRIu64 " has bad size %" PRId64 "\n"),
 			return 1;
 		break;
 
+	case XR_INO_UQUOTA:
+	case XR_INO_GQUOTA:
+	case XR_INO_PQUOTA:
+		/* Quota inodes have same restrictions as above types */
+		if (process_misc_ino_types(mp, dino, lino, type))
+			return 1;
+		break;
+
 	case XR_INO_RTDATA:
 		/*
 		 * if we have no realtime blocks, any inode claiming
@@ -2620,6 +2747,12 @@  _("bad (negative) size %" PRId64 " on inode %" PRIu64 "\n"),
 			type = XR_INO_RTBITMAP;
 		else if (lino == mp->m_sb.sb_rsumino)
 			type = XR_INO_RTSUM;
+		else if (lino == mp->m_sb.sb_uquotino)
+			type = XR_INO_UQUOTA;
+		else if (lino == mp->m_sb.sb_gquotino)
+			type = XR_INO_GQUOTA;
+		else if (lino == mp->m_sb.sb_pquotino)
+			type = XR_INO_PQUOTA;
 		else
 			type = XR_INO_DATA;
 		break;
@@ -2784,6 +2917,15 @@  _("Cannot have CoW extent size of zero on cowextsize inode %" PRIu64 ", "),
 			goto clear_bad_out;
 		}
 		break;
+	case XR_INO_UQUOTA:
+	case XR_INO_GQUOTA:
+	case XR_INO_PQUOTA:
+		if (process_quota_inode(mp, lino, dino, type, dblkmap) != 0) {
+			do_warn(
+	_("problem with quota inode %" PRIu64 "\n"), lino);
+			goto clear_bad_out;
+		}
+		break;
 	default:
 		break;
 	}
diff --git a/repair/incore.h b/repair/incore.h
index fd66084f..78a0ed30 100644
--- a/repair/incore.h
+++ b/repair/incore.h
@@ -222,13 +222,16 @@  int		count_bcnt_extents(xfs_agnumber_t);
 #define XR_INO_RTDATA	2		/* realtime file */
 #define XR_INO_RTBITMAP	3		/* realtime bitmap inode */
 #define XR_INO_RTSUM	4		/* realtime summary inode */
-#define XR_INO_DATA	5		/* regular file */
-#define XR_INO_SYMLINK	6		/* symlink */
-#define XR_INO_CHRDEV	7		/* character device */
-#define XR_INO_BLKDEV	8		/* block device */
-#define XR_INO_SOCK	9		/* socket */
-#define XR_INO_FIFO	10		/* fifo */
-#define XR_INO_MOUNTPOINT 11		/* mountpoint */
+#define XR_INO_UQUOTA	5		/* user quota inode */
+#define XR_INO_GQUOTA	6		/* group quota inode */
+#define XR_INO_PQUOTA	7		/* project quota inode */
+#define XR_INO_DATA	8		/* regular file */
+#define XR_INO_SYMLINK	9		/* symlink */
+#define XR_INO_CHRDEV	10		/* character device */
+#define XR_INO_BLKDEV	11		/* block device */
+#define XR_INO_SOCK	12		/* socket */
+#define XR_INO_FIFO	13		/* fifo */
+#define XR_INO_MOUNTPOINT 14		/* mountpoint */
 
 /* inode allocation tree */