diff mbox series

[02/42] xfs: introduce realtime refcount btree definitions

Message ID 167243870925.717073.13533133077980484735.stgit@magnolia (mailing list archive)
State Superseded, archived
Headers show
Series xfs: reflink on the realtime device | expand

Commit Message

Darrick J. Wong Dec. 30, 2022, 10:18 p.m. UTC 
From: Darrick J. Wong <djwong@kernel.org>

Add new realtime refcount btree definitions. The realtime refcount btree
will be rooted from a hidden inode, but has its own shape and therefore
needs to have most of its own separate types.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
---
 fs/xfs/libxfs/xfs_btree.h  |    1 +
 fs/xfs/libxfs/xfs_format.h |    6 ++++++
 fs/xfs/libxfs/xfs_types.h  |    5 +++--
 fs/xfs/scrub/trace.h       |    1 +
 fs/xfs/xfs_trace.h         |    1 +
 5 files changed, 12 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h
index 20342ed62bf4..ce5ef798c3bc 100644
--- a/fs/xfs/libxfs/xfs_btree.h
+++ b/fs/xfs/libxfs/xfs_btree.h
@@ -65,6 +65,7 @@  union xfs_btree_rec {
 #define	XFS_BTNUM_REFC	((xfs_btnum_t)XFS_BTNUM_REFCi)
 #define	XFS_BTNUM_RCBAG	((xfs_btnum_t)XFS_BTNUM_RCBAGi)
 #define	XFS_BTNUM_RTRMAP ((xfs_btnum_t)XFS_BTNUM_RTRMAPi)
+#define	XFS_BTNUM_RTREFC ((xfs_btnum_t)XFS_BTNUM_RTREFCi)
 
 struct xfs_btree_ops;
 uint32_t xfs_btree_magic(struct xfs_mount *mp, const struct xfs_btree_ops *ops);
diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h
index a2b8d8ee8afd..c78fe8e78b8c 100644
--- a/fs/xfs/libxfs/xfs_format.h
+++ b/fs/xfs/libxfs/xfs_format.h
@@ -1796,6 +1796,12 @@  struct xfs_refcount_key {
 /* btree pointer type */
 typedef __be32 xfs_refcount_ptr_t;
 
+/*
+ * Realtime Reference Count btree format definitions
+ *
+ * This is a btree for reference count records for realtime volumes
+ */
+#define	XFS_RTREFC_CRC_MAGIC	0x52434e54	/* 'RCNT' */
 
 /*
  * BMAP Btree format definitions
diff --git a/fs/xfs/libxfs/xfs_types.h b/fs/xfs/libxfs/xfs_types.h
index e6a4f4a7d009..92c60a9d5862 100644
--- a/fs/xfs/libxfs/xfs_types.h
+++ b/fs/xfs/libxfs/xfs_types.h
@@ -126,7 +126,7 @@  typedef enum {
 typedef enum {
 	XFS_BTNUM_BNOi, XFS_BTNUM_CNTi, XFS_BTNUM_RMAPi, XFS_BTNUM_BMAPi,
 	XFS_BTNUM_INOi, XFS_BTNUM_FINOi, XFS_BTNUM_REFCi, XFS_BTNUM_RCBAGi,
-	XFS_BTNUM_RTRMAPi, XFS_BTNUM_MAX
+	XFS_BTNUM_RTRMAPi, XFS_BTNUM_RTREFCi, XFS_BTNUM_MAX
 } xfs_btnum_t;
 
 #define XFS_BTNUM_STRINGS \
@@ -138,7 +138,8 @@  typedef enum {
 	{ XFS_BTNUM_FINOi,	"finobt" }, \
 	{ XFS_BTNUM_REFCi,	"refcbt" }, \
 	{ XFS_BTNUM_RCBAGi,	"rcbagbt" }, \
-	{ XFS_BTNUM_RTRMAPi,	"rtrmapbt" }
+	{ XFS_BTNUM_RTRMAPi,	"rtrmapbt" }, \
+	{ XFS_BTNUM_RTREFCi,	"rtrefcbt" }
 
 struct xfs_name {
 	const unsigned char	*name;
diff --git a/fs/xfs/scrub/trace.h b/fs/xfs/scrub/trace.h
index 4cf8180173ca..8d66ab10e1fd 100644
--- a/fs/xfs/scrub/trace.h
+++ b/fs/xfs/scrub/trace.h
@@ -43,6 +43,7 @@  TRACE_DEFINE_ENUM(XFS_BTNUM_RMAPi);
 TRACE_DEFINE_ENUM(XFS_BTNUM_REFCi);
 TRACE_DEFINE_ENUM(XFS_BTNUM_RCBAGi);
 TRACE_DEFINE_ENUM(XFS_BTNUM_RTRMAPi);
+TRACE_DEFINE_ENUM(XFS_BTNUM_RTREFCi);
 
 TRACE_DEFINE_ENUM(XFS_REFC_DOMAIN_SHARED);
 TRACE_DEFINE_ENUM(XFS_REFC_DOMAIN_COW);
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index 4e0c40934a7f..1f8ab7c436a9 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -2560,6 +2560,7 @@  TRACE_DEFINE_ENUM(XFS_BTNUM_RMAPi);
 TRACE_DEFINE_ENUM(XFS_BTNUM_REFCi);
 TRACE_DEFINE_ENUM(XFS_BTNUM_RCBAGi);
 TRACE_DEFINE_ENUM(XFS_BTNUM_RTRMAPi);
+TRACE_DEFINE_ENUM(XFS_BTNUM_RTREFCi);
 
 DECLARE_EVENT_CLASS(xfs_btree_cur_class,
 	TP_PROTO(struct xfs_btree_cur *cur, int level, struct xfs_buf *bp),