diff mbox series

[4/5] xfs: support inode btree blockcounts in online repair

Message ID 159858221586.3058056.4012330529904111156.stgit@magnolia (mailing list archive)
State Superseded
Headers show
Series xfs: add inode btree blocks counters to the AGI header | expand

Commit Message

Darrick J. Wong Aug. 28, 2020, 2:36 a.m. UTC 
From: Darrick J. Wong <darrick.wong@oracle.com>

Add the necessary bits to the online repair code to support logging the
inode btree counters when rebuilding the btrees, and to support fixing
the counters when rebuilding the AGI.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
---
 fs/xfs/libxfs/xfs_ialloc_btree.c |   16 +++++++++++++---
 fs/xfs/scrub/agheader_repair.c   |   23 +++++++++++++++++++++++
 2 files changed, 36 insertions(+), 3 deletions(-)

Comments

Brian Foster Aug. 31, 2020, 7:07 p.m. UTC | #1 
On Thu, Aug 27, 2020 at 07:36:55PM -0700, Darrick J. Wong wrote:
> From: Darrick J. Wong <darrick.wong@oracle.com>
> 
> Add the necessary bits to the online repair code to support logging the
> inode btree counters when rebuilding the btrees, and to support fixing
> the counters when rebuilding the AGI.
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
> ---
>  fs/xfs/libxfs/xfs_ialloc_btree.c |   16 +++++++++++++---
>  fs/xfs/scrub/agheader_repair.c   |   23 +++++++++++++++++++++++
>  2 files changed, 36 insertions(+), 3 deletions(-)
> 
> 
...
> diff --git a/fs/xfs/scrub/agheader_repair.c b/fs/xfs/scrub/agheader_repair.c
> index bca2ab1d4be9..efa8152a0139 100644
> --- a/fs/xfs/scrub/agheader_repair.c
> +++ b/fs/xfs/scrub/agheader_repair.c
> @@ -810,10 +810,33 @@ xrep_agi_calc_from_btrees(
>  	error = xfs_ialloc_count_inodes(cur, &count, &freecount);
>  	if (error)
>  		goto err;
> +	if (xfs_sb_version_hasinobtcounts(&mp->m_sb)) {
> +		xfs_agblock_t	blocks;
> +
> +		error = xfs_btree_count_blocks(cur, &blocks);
> +		if (error)
> +			goto err;
> +		agi->agi_iblocks = cpu_to_be32(blocks);
> +	}
>  	xfs_btree_del_cursor(cur, error);
>  
>  	agi->agi_count = cpu_to_be32(count);
>  	agi->agi_freecount = cpu_to_be32(freecount);
> +
> +	if (xfs_sb_version_hasinobtcounts(&mp->m_sb)) {
> +		xfs_agblock_t	blocks;
> +
> +		cur = xfs_inobt_init_cursor(mp, sc->tp, agi_bp, sc->sa.agno,
> +				XFS_BTNUM_FINO);
> +		if (error)
> +			goto err;
> +		error = xfs_btree_count_blocks(cur, &blocks);
> +		if (error)
> +			goto err;
> +		xfs_btree_del_cursor(cur, error);
> +		agi->agi_fblocks = cpu_to_be32(blocks);

Similar question as for patch 1 around using hasfinobt()...

Brian

> +	}
> +
>  	return 0;
>  err:
>  	xfs_btree_del_cursor(cur, error);
>
Darrick J. Wong Aug. 31, 2020, 7:40 p.m. UTC | #2 
On Mon, Aug 31, 2020 at 03:07:12PM -0400, Brian Foster wrote:
> On Thu, Aug 27, 2020 at 07:36:55PM -0700, Darrick J. Wong wrote:
> > From: Darrick J. Wong <darrick.wong@oracle.com>
> > 
> > Add the necessary bits to the online repair code to support logging the
> > inode btree counters when rebuilding the btrees, and to support fixing
> > the counters when rebuilding the AGI.
> > 
> > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
> > ---
> >  fs/xfs/libxfs/xfs_ialloc_btree.c |   16 +++++++++++++---
> >  fs/xfs/scrub/agheader_repair.c   |   23 +++++++++++++++++++++++
> >  2 files changed, 36 insertions(+), 3 deletions(-)
> > 
> > 
> ...
> > diff --git a/fs/xfs/scrub/agheader_repair.c b/fs/xfs/scrub/agheader_repair.c
> > index bca2ab1d4be9..efa8152a0139 100644
> > --- a/fs/xfs/scrub/agheader_repair.c
> > +++ b/fs/xfs/scrub/agheader_repair.c
> > @@ -810,10 +810,33 @@ xrep_agi_calc_from_btrees(
> >  	error = xfs_ialloc_count_inodes(cur, &count, &freecount);
> >  	if (error)
> >  		goto err;
> > +	if (xfs_sb_version_hasinobtcounts(&mp->m_sb)) {
> > +		xfs_agblock_t	blocks;
> > +
> > +		error = xfs_btree_count_blocks(cur, &blocks);
> > +		if (error)
> > +			goto err;
> > +		agi->agi_iblocks = cpu_to_be32(blocks);
> > +	}
> >  	xfs_btree_del_cursor(cur, error);
> >  
> >  	agi->agi_count = cpu_to_be32(count);
> >  	agi->agi_freecount = cpu_to_be32(freecount);
> > +
> > +	if (xfs_sb_version_hasinobtcounts(&mp->m_sb)) {
> > +		xfs_agblock_t	blocks;
> > +
> > +		cur = xfs_inobt_init_cursor(mp, sc->tp, agi_bp, sc->sa.agno,
> > +				XFS_BTNUM_FINO);
> > +		if (error)
> > +			goto err;
> > +		error = xfs_btree_count_blocks(cur, &blocks);
> > +		if (error)
> > +			goto err;
> > +		xfs_btree_del_cursor(cur, error);
> > +		agi->agi_fblocks = cpu_to_be32(blocks);
> 
> Similar question as for patch 1 around using hasfinobt()...

Yep, and the fix (adding a hasfinobt check) is the same.

--D

> Brian
> 
> > +	}
> > +
> >  	return 0;
> >  err:
> >  	xfs_btree_del_cursor(cur, error);
> > 
>
diff mbox series

Patch

diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c
index a5461091ba7b..1d419eb4e04c 100644
--- a/fs/xfs/libxfs/xfs_ialloc_btree.c
+++ b/fs/xfs/libxfs/xfs_ialloc_btree.c
@@ -501,19 +501,29 @@  xfs_inobt_commit_staged_btree(
 {
 	struct xfs_agi		*agi = agbp->b_addr;
 	struct xbtree_afakeroot	*afake = cur->bc_ag.afake;
+	int			fields;
 
 	ASSERT(cur->bc_flags & XFS_BTREE_STAGING);
 
 	if (cur->bc_btnum == XFS_BTNUM_INO) {
+		fields = XFS_AGI_ROOT | XFS_AGI_LEVEL;
 		agi->agi_root = cpu_to_be32(afake->af_root);
 		agi->agi_level = cpu_to_be32(afake->af_levels);
-		xfs_ialloc_log_agi(tp, agbp, XFS_AGI_ROOT | XFS_AGI_LEVEL);
+		if (xfs_sb_version_hasinobtcounts(&cur->bc_mp->m_sb)) {
+			agi->agi_iblocks = cpu_to_be32(afake->af_blocks);
+			fields |= XFS_AGI_IBLOCKS;
+		}
+		xfs_ialloc_log_agi(tp, agbp, fields);
 		xfs_btree_commit_afakeroot(cur, tp, agbp, &xfs_inobt_ops);
 	} else {
+		fields = XFS_AGI_FREE_ROOT | XFS_AGI_FREE_LEVEL;
 		agi->agi_free_root = cpu_to_be32(afake->af_root);
 		agi->agi_free_level = cpu_to_be32(afake->af_levels);
-		xfs_ialloc_log_agi(tp, agbp, XFS_AGI_FREE_ROOT |
-					     XFS_AGI_FREE_LEVEL);
+		if (xfs_sb_version_hasinobtcounts(&cur->bc_mp->m_sb)) {
+			agi->agi_fblocks = cpu_to_be32(afake->af_blocks);
+			fields |= XFS_AGI_IBLOCKS;
+		}
+		xfs_ialloc_log_agi(tp, agbp, fields);
 		xfs_btree_commit_afakeroot(cur, tp, agbp, &xfs_finobt_ops);
 	}
 }
diff --git a/fs/xfs/scrub/agheader_repair.c b/fs/xfs/scrub/agheader_repair.c
index bca2ab1d4be9..efa8152a0139 100644
--- a/fs/xfs/scrub/agheader_repair.c
+++ b/fs/xfs/scrub/agheader_repair.c
@@ -810,10 +810,33 @@  xrep_agi_calc_from_btrees(
 	error = xfs_ialloc_count_inodes(cur, &count, &freecount);
 	if (error)
 		goto err;
+	if (xfs_sb_version_hasinobtcounts(&mp->m_sb)) {
+		xfs_agblock_t	blocks;
+
+		error = xfs_btree_count_blocks(cur, &blocks);
+		if (error)
+			goto err;
+		agi->agi_iblocks = cpu_to_be32(blocks);
+	}
 	xfs_btree_del_cursor(cur, error);
 
 	agi->agi_count = cpu_to_be32(count);
 	agi->agi_freecount = cpu_to_be32(freecount);
+
+	if (xfs_sb_version_hasinobtcounts(&mp->m_sb)) {
+		xfs_agblock_t	blocks;
+
+		cur = xfs_inobt_init_cursor(mp, sc->tp, agi_bp, sc->sa.agno,
+				XFS_BTNUM_FINO);
+		if (error)
+			goto err;
+		error = xfs_btree_count_blocks(cur, &blocks);
+		if (error)
+			goto err;
+		xfs_btree_del_cursor(cur, error);
+		agi->agi_fblocks = cpu_to_be32(blocks);
+	}
+
 	return 0;
 err:
 	xfs_btree_del_cursor(cur, error);