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From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: david@fromorbit.com, darrick.wong@oracle.com
Cc: xfs@oss.sgi.com
Subject: [PATCH 41/51] xfs_db: metadump should copy the refcount btree too
Date: Tue, 06 Oct 2015 22:09:40 -0700	[thread overview]
Message-ID: <20151007050940.1504.97198.stgit@birch.djwong.org> (raw)
In-Reply-To: <20151007050513.1504.28089.stgit@birch.djwong.org>

Teach metadump to copy the refcount btree.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
---
 db/metadump.c |   74 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)


diff --git a/db/metadump.c b/db/metadump.c
index 545f55b..c92a934 100644
--- a/db/metadump.c
+++ b/db/metadump.c
@@ -595,6 +595,78 @@ copy_rmap_btree(
 	return scan_btree(agno, root, levels, TYP_RMAPBT, agf, scanfunc_rmapbt);
 }
 
+static int
+scanfunc_refcntbt(
+	struct xfs_btree_block	*block,
+	xfs_agnumber_t		agno,
+	xfs_agblock_t		agbno,
+	int			level,
+	typnm_t			btype,
+	void			*arg)
+{
+	xfs_refcount_ptr_t	*pp;
+	int			i;
+	int			numrecs;
+
+	if (level == 0)
+		return 1;
+
+	numrecs = be16_to_cpu(block->bb_numrecs);
+	if (numrecs > mp->m_refc_mxr[1]) {
+		if (show_warnings)
+			print_warning("invalid numrecs (%u) in %s block %u/%u",
+				numrecs, typtab[btype].name, agno, agbno);
+		return 1;
+	}
+
+	pp = XFS_REFCOUNT_PTR_ADDR(block, 1, mp->m_refc_mxr[1]);
+	for (i = 0; i < numrecs; i++) {
+		if (!valid_bno(agno, be32_to_cpu(pp[i]))) {
+			if (show_warnings)
+				print_warning("invalid block number (%u/%u) "
+					"in %s block %u/%u",
+					agno, be32_to_cpu(pp[i]),
+					typtab[btype].name, agno, agbno);
+			continue;
+		}
+		if (!scan_btree(agno, be32_to_cpu(pp[i]), level, btype, arg,
+				scanfunc_refcntbt))
+			return 0;
+	}
+	return 1;
+}
+
+static int
+copy_refcount_btree(
+	xfs_agnumber_t	agno,
+	struct xfs_agf	*agf)
+{
+	xfs_agblock_t	root;
+	int		levels;
+
+	if (!xfs_sb_version_hasreflink(&mp->m_sb))
+		return 1;
+
+	root = be32_to_cpu(agf->agf_refcount_root);
+	levels = be32_to_cpu(agf->agf_refcount_level);
+
+	/* validate root and levels before processing the tree */
+	if (root == 0 || root > mp->m_sb.sb_agblocks) {
+		if (show_warnings)
+			print_warning("invalid block number (%u) in refcntbt "
+					"root in agf %u", root, agno);
+		return 1;
+	}
+	if (levels >= XFS_BTREE_MAXLEVELS) {
+		if (show_warnings)
+			print_warning("invalid level (%u) in refcntbt root "
+					"in agf %u", levels, agno);
+		return 1;
+	}
+
+	return scan_btree(agno, root, levels, TYP_REFCBT, agf, scanfunc_refcntbt);
+}
+
 /* filename and extended attribute obfuscation routines */
 
 struct name_ent {
@@ -2505,6 +2577,8 @@ scan_ag(
 			goto pop_out;
 		if (!copy_rmap_btree(agno, agf))
 			goto pop_out;
+		if (!copy_refcount_btree(agno, agf))
+			goto pop_out;
 	}
 
 	/* copy inode btrees and the inodes and their associated metadata */

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  parent reply	other threads:[~2015-10-07  5:09 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-07  5:05 [RFCv3 00/51] xfsprogs: add reverse-mapping, reflink, and dedupe support Darrick J. Wong
2015-10-07  5:05 ` [PATCH 01/51] libxcmd: provide a common function to report command runtimes Darrick J. Wong
2015-10-13 17:48   ` Christoph Hellwig
2015-10-13 22:39     ` Darrick J. Wong
2015-10-14  5:35   ` [PATCH v2 " Darrick J. Wong
2015-10-14  7:31     ` Christoph Hellwig
2015-10-07  5:05 ` [PATCH 02/51] libxfs: add reflink and dedupe ioctls Darrick J. Wong
2015-10-07  5:05 ` [PATCH 03/51] xfs_io: support reflink and dedupe of file ranges Darrick J. Wong
2015-10-14  5:36   ` [PATCH v2 " Darrick J. Wong
2015-11-09  7:54     ` Christoph Hellwig
2015-11-09 18:33       ` Darrick J. Wong
2015-11-09 18:57         ` Darrick J. Wong
2015-11-09 21:35           ` Dave Chinner
2015-11-10  6:27             ` Darrick J. Wong
2015-10-07  5:05 ` [PATCH 04/51] xfs_io: unshare blocks via fallocate Darrick J. Wong
2015-10-07  5:05 ` [PATCH 05/51] xfs_db: enable blocktrash for checksummed filesystems Darrick J. Wong
2015-10-07  5:05 ` [PATCH 06/51] xfs_db: trash the block at the top of the cursor stack Darrick J. Wong
2015-10-07  5:05 ` [PATCH 07/51] xfs_db: enable blockget for v5 filesystems Darrick J. Wong
2015-10-14 17:08   ` Christoph Hellwig
2015-10-14 18:20     ` Darrick J. Wong
2015-10-14 18:23       ` Christoph Hellwig
2015-10-14 19:52         ` Darrick J. Wong
2015-10-14 21:26         ` Dave Chinner
2015-10-07  5:06 ` [PATCH 08/51] libxfs: reorder xfs_bmap_add_free args Darrick J. Wong
2015-10-07  5:06 ` [PATCH 09/51] libxfs: add the reverse-mapping btree Darrick J. Wong
2015-10-07  5:06 ` [PATCH 10/51] libxfs: resync xfs_prealloc_blocks with the kernel Darrick J. Wong
2015-10-07  5:06 ` [PATCH 11/51] xfs: rmap btree transaction reservations Darrick J. Wong
2015-10-07  5:06 ` [PATCH 12/51] xfs: rmap btree requires more reserved free space Darrick J. Wong
2015-10-07  5:06 ` [PATCH 13/51] libxfs: propagate a bunch of case changes to mkfs and repair Darrick J. Wong
2015-10-07  5:06 ` [PATCH 14/51] libxfs: fix min freelist length calculation Darrick J. Wong
2015-10-07  5:06 ` [PATCH 15/51] libxfs: add the RMAP CRC to the xfs_magics list Darrick J. Wong
2015-10-07  5:06 ` [PATCH 16/51] libxfs: enhance rmapbt definition to support reflink Darrick J. Wong
2015-10-07  5:07 ` [PATCH 17/51] libxfs: refactor short btree block verification Darrick J. Wong
2015-10-07  5:07 ` [PATCH 18/51] xfs: don't update rmapbt when fixing agfl Darrick J. Wong
2015-10-07  5:07 ` [PATCH 19/51] libxfs: implement XFS_IOC_SWAPEXT when rmap btree is enabled Darrick J. Wong
2015-10-07  5:07 ` [PATCH 20/51] xfs_db: display rmap btree contents Darrick J. Wong
2015-10-07  5:07 ` [PATCH 21/51] xfs_dump: display enhanced rmapbt fields Darrick J. Wong
2015-10-07  5:07 ` [PATCH 22/51] xfs_db: check rmapbt Darrick J. Wong
2015-10-07  5:07 ` [PATCH 23/51] xfs_db: copy the rmap btree Darrick J. Wong
2015-10-07  5:07 ` [PATCH 24/51] xfs_growfs: report rmapbt presence Darrick J. Wong
2015-10-07  5:07 ` [PATCH 25/51] xfs_repair: use rmap btree data to check block types Darrick J. Wong
2015-10-07  5:08 ` [PATCH 26/51] xfs_repair: mask off length appropriately Darrick J. Wong
2015-10-07  5:08 ` [PATCH 27/51] xfs_repair: fix fino_bno calculation when rmapbt is enabled Darrick J. Wong
2015-10-07  5:08 ` [PATCH 28/51] xfs_repair: create a slab API for allocating arrays in large chunks Darrick J. Wong
2015-10-07  5:08 ` [PATCH 29/51] xfs_repair: collect reverse-mapping data for refcount/rmap tree rebuilding Darrick J. Wong
2015-10-07  5:08 ` [PATCH 30/51] xfs_repair: record and merge raw rmap data Darrick J. Wong
2015-10-07  5:08 ` [PATCH 31/51] xfs_repair: add inode bmbt block rmaps Darrick J. Wong
2015-10-07  5:08 ` [PATCH 32/51] xfs_repair: add fixed-location per-AG rmaps Darrick J. Wong
2015-10-21 21:08   ` Darrick J. Wong
2015-10-07  5:08 ` [PATCH 33/51] xfs_repair: check existing rmapbt entries against observed rmaps Darrick J. Wong
2015-10-07  5:08 ` [PATCH 34/51] xfs_repair: rebuild reverse-mapping btree Darrick J. Wong
2015-10-07  5:09 ` [PATCH 35/51] xfs_repair: add per-AG btree blocks to rmap data and add to rmapbt Darrick J. Wong
2015-10-07  5:09 ` [PATCH 36/51] mkfs.xfs: Create rmapbt filesystems Darrick J. Wong
2015-10-07  5:09 ` [PATCH 37/51] xfs_mkfs: initialize extra fields during mkfs Darrick J. Wong
2015-10-07  5:09 ` [PATCH 38/51] libxfs: add support for refcount btrees Darrick J. Wong
2015-10-07  5:09 ` [PATCH 39/51] xfs_db: dump refcount btree data Darrick J. Wong
2015-10-07  5:09 ` [PATCH 40/51] xfs_db: add support for checking the refcount btree Darrick J. Wong
2015-10-07  5:09 ` Darrick J. Wong [this message]
2015-10-07  5:09 ` [PATCH 42/51] xfs_growfs: report the presence of the reflink feature Darrick J. Wong
2015-10-07  5:09 ` [PATCH 43/51] xfs_repair: check the existing refcount btree Darrick J. Wong
2015-10-07  5:09 ` [PATCH 44/51] xfs_repair: handle multiple owners of data blocks Darrick J. Wong
2015-10-07  5:10 ` [PATCH 45/51] xfs_repair: process reverse-mapping data into refcount data Darrick J. Wong
2015-10-07  5:10 ` [PATCH 46/51] xfs_repair: record reflink inode state Darrick J. Wong
2015-10-07  5:10 ` [PATCH 47/51] xfs_repair: fix inode reflink flags Darrick J. Wong
2015-10-07  5:10 ` [PATCH 48/51] xfs_repair: check the refcount btree against our observed reference counts when -n Darrick J. Wong
2015-10-07  5:10 ` [PATCH 49/51] xfs_repair: rebuild the refcount btree Darrick J. Wong
2015-10-07  5:10 ` [PATCH 50/51] mkfs.xfs: format reflink enabled filesystems Darrick J. Wong
2015-10-07  5:10 ` [PATCH 51/51] mkfs: hack around not having enough log blocks Darrick J. Wong

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