From: Darrick J. Wong <djwong@kernel.org>
Date: Thu, 15 Aug 2024 18:58:29 +0000 (-0700)
Subject: xfs_db: support the realtime refcountbt
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=54b8d41c9501519a24f59e12d3595215cee46faa;p=users%2Fhch%2Fxfsprogs.git

xfs_db: support the realtime refcountbt

Wire up various parts of xfs_db for realtime refcount support.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
---

diff --git a/db/btblock.c b/db/btblock.c
index 40913a094..e9e5d2f86 100644
--- a/db/btblock.c
+++ b/db/btblock.c
@@ -159,6 +159,9 @@ block_to_bt(
 	case TYP_REFCBT:
 		magic = crc ? XFS_REFC_CRC_MAGIC : 0;
 		break;
+	case TYP_RTREFCBT:
+		magic = crc ? XFS_RTREFC_CRC_MAGIC : 0;
+		break;
 	default:
 		ASSERT(0);
 	}
diff --git a/db/btdump.c b/db/btdump.c
index 9c528e5a1..31f32a8f7 100644
--- a/db/btdump.c
+++ b/db/btdump.c
@@ -447,7 +447,8 @@ is_btree_inode(void)
 	struct xfs_dinode	*dip;
 
 	dip = iocur_top->data;
-	return dip->di_format == XFS_DINODE_FMT_RMAP;
+	return dip->di_format == XFS_DINODE_FMT_RMAP ||
+	       dip->di_format == XFS_DINODE_FMT_REFCOUNT;
 }
 
 static int
@@ -457,6 +458,7 @@ dump_btree_inode(
 	char			*prefix;
 	struct xfs_dinode	*dip;
 	struct xfs_rtrmap_root	*rtrmap;
+	struct xfs_rtrefcount_root *rtrefc;
 	int			level;
 	int			numrecs;
 	int			ret;
@@ -469,6 +471,12 @@ dump_btree_inode(
 		level = be16_to_cpu(rtrmap->bb_level);
 		numrecs = be16_to_cpu(rtrmap->bb_numrecs);
 		break;
+	case XFS_DINODE_FMT_REFCOUNT:
+		prefix = "u3.rtrefcbt";
+		rtrefc = (struct xfs_rtrefcount_root *)XFS_DFORK_DPTR(dip);
+		level = be16_to_cpu(rtrefc->bb_level);
+		numrecs = be16_to_cpu(rtrefc->bb_numrecs);
+		break;
 	default:
 		dbprintf("Unknown metadata inode type %u\n", dip->di_format);
 		return 0;
@@ -550,6 +558,7 @@ btdump_f(
 	case TYP_BMAPBTA:
 	case TYP_BMAPBTD:
 	case TYP_RTRMAPBT:
+	case TYP_RTREFCBT:
 		return dump_btree_long(iflag);
 	case TYP_INODE:
 		if (is_btree_inode())
diff --git a/db/btheight.c b/db/btheight.c
index 25ce34003..9dd21ddae 100644
--- a/db/btheight.c
+++ b/db/btheight.c
@@ -58,6 +58,11 @@ struct btmap {
 		.maxlevels	= libxfs_rtrmapbt_maxlevels_ondisk,
 		.maxrecs	= libxfs_rtrmapbt_maxrecs,
 	},
+	{
+		.tag		= "rtrefcountbt",
+		.maxlevels	= libxfs_rtrefcountbt_maxlevels_ondisk,
+		.maxrecs	= libxfs_rtrefcountbt_maxrecs,
+	},
 };
 
 static void
diff --git a/libxfs/libxfs_api_defs.h b/libxfs/libxfs_api_defs.h
index 0bb39e278..8b9d7954e 100644
--- a/libxfs/libxfs_api_defs.h
+++ b/libxfs/libxfs_api_defs.h
@@ -313,6 +313,7 @@
 #define xfs_rtgroup_put			libxfs_rtgroup_put
 
 #define xfs_rtrefcountbt_droot_maxrecs	libxfs_rtrefcountbt_droot_maxrecs
+#define xfs_rtrefcountbt_maxlevels_ondisk	libxfs_rtrefcountbt_maxlevels_ondisk
 #define xfs_rtrefcountbt_maxrecs	libxfs_rtrefcountbt_maxrecs
 
 #define xfs_rtrmapbt_calc_reserves	libxfs_rtrmapbt_calc_reserves
diff --git a/man/man8/xfs_db.8 b/man/man8/xfs_db.8
index d9204f208..5a27033a5 100644
--- a/man/man8/xfs_db.8
+++ b/man/man8/xfs_db.8
@@ -536,6 +536,7 @@ The supported btree types are:
 .IR bmapbt ,
 .IR refcountbt ,
 .IR rmapbt ,
+.IR rtrefcountbt ,
 and
 .IR rtrmapbt .
 The magic value