[PATCH 12/15] xfs: resolve fork names in trace output

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From: Darrick J. Wong <djwong@xxxxxxxxxx>

Emit whichfork values as text strings in the ftrace output.

Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
 fs/xfs/libxfs/xfs_types.h |    5 +++++
 fs/xfs/scrub/trace.h      |   16 ++++++++--------
 fs/xfs/xfs_trace.h        |    6 +++---
 3 files changed, 16 insertions(+), 11 deletions(-)


diff --git a/fs/xfs/libxfs/xfs_types.h b/fs/xfs/libxfs/xfs_types.h
index 0870ef6f933d..b6da06b40989 100644
--- a/fs/xfs/libxfs/xfs_types.h
+++ b/fs/xfs/libxfs/xfs_types.h
@@ -87,6 +87,11 @@ typedef void *		xfs_failaddr_t;
 #define	XFS_ATTR_FORK	1
 #define	XFS_COW_FORK	2
 
+#define XFS_WHICHFORK_STRINGS \
+	{ XFS_DATA_FORK, 	"data" }, \
+	{ XFS_ATTR_FORK,	"attr" }, \
+	{ XFS_COW_FORK,		"cow" }
+
 /*
  * Min numbers of data/attr fork btree root pointers.
  */
diff --git a/fs/xfs/scrub/trace.h b/fs/xfs/scrub/trace.h
index cb5a74028b63..36f86b1497f4 100644
--- a/fs/xfs/scrub/trace.h
+++ b/fs/xfs/scrub/trace.h
@@ -176,10 +176,10 @@ TRACE_EVENT(xchk_file_op_error,
 		__entry->error = error;
 		__entry->ret_ip = ret_ip;
 	),
-	TP_printk("dev %d:%d ino 0x%llx fork %d type %s fileoff 0x%llx error %d ret_ip %pS",
+	TP_printk("dev %d:%d ino 0x%llx fork %s type %s fileoff 0x%llx error %d ret_ip %pS",
 		  MAJOR(__entry->dev), MINOR(__entry->dev),
 		  __entry->ino,
-		  __entry->whichfork,
+		  __print_symbolic(__entry->whichfork, XFS_WHICHFORK_STRINGS),
 		  __print_symbolic(__entry->type, XFS_SCRUB_TYPE_STRINGS),
 		  __entry->offset,
 		  __entry->error,
@@ -273,10 +273,10 @@ DECLARE_EVENT_CLASS(xchk_fblock_error_class,
 		__entry->offset = offset;
 		__entry->ret_ip = ret_ip;
 	),
-	TP_printk("dev %d:%d ino 0x%llx fork %d type %s fileoff 0x%llx ret_ip %pS",
+	TP_printk("dev %d:%d ino 0x%llx fork %s type %s fileoff 0x%llx ret_ip %pS",
 		  MAJOR(__entry->dev), MINOR(__entry->dev),
 		  __entry->ino,
-		  __entry->whichfork,
+		  __print_symbolic(__entry->whichfork, XFS_WHICHFORK_STRINGS),
 		  __print_symbolic(__entry->type, XFS_SCRUB_TYPE_STRINGS),
 		  __entry->offset,
 		  __entry->ret_ip)
@@ -381,10 +381,10 @@ TRACE_EVENT(xchk_ifork_btree_op_error,
 		__entry->error = error;
 		__entry->ret_ip = ret_ip;
 	),
-	TP_printk("dev %d:%d ino 0x%llx fork %d type %s btree %s level %d ptr %d agno 0x%x agbno 0x%x error %d ret_ip %pS",
+	TP_printk("dev %d:%d ino 0x%llx fork %s type %s btree %s level %d ptr %d agno 0x%x agbno 0x%x error %d ret_ip %pS",
 		  MAJOR(__entry->dev), MINOR(__entry->dev),
 		  __entry->ino,
-		  __entry->whichfork,
+		  __print_symbolic(__entry->whichfork, XFS_WHICHFORK_STRINGS),
 		  __print_symbolic(__entry->type, XFS_SCRUB_TYPE_STRINGS),
 		  __print_symbolic(__entry->btnum, XFS_BTNUM_STRINGS),
 		  __entry->level,
@@ -460,10 +460,10 @@ TRACE_EVENT(xchk_ifork_btree_error,
 		__entry->ptr = cur->bc_ptrs[level];
 		__entry->ret_ip = ret_ip;
 	),
-	TP_printk("dev %d:%d ino 0x%llx fork %d type %s btree %s level %d ptr %d agno 0x%x agbno 0x%x ret_ip %pS",
+	TP_printk("dev %d:%d ino 0x%llx fork %s type %s btree %s level %d ptr %d agno 0x%x agbno 0x%x ret_ip %pS",
 		  MAJOR(__entry->dev), MINOR(__entry->dev),
 		  __entry->ino,
-		  __entry->whichfork,
+		  __print_symbolic(__entry->whichfork, XFS_WHICHFORK_STRINGS),
 		  __print_symbolic(__entry->type, XFS_SCRUB_TYPE_STRINGS),
 		  __print_symbolic(__entry->btnum, XFS_BTNUM_STRINGS),
 		  __entry->level,
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index 29bf5fbfa71b..474fdaffdccf 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -1440,7 +1440,7 @@ DECLARE_EVENT_CLASS(xfs_imap_class,
 		  __entry->size,
 		  __entry->offset,
 		  __entry->count,
-		  __entry->whichfork == XFS_COW_FORK ? "cow" : "data",
+		  __print_symbolic(__entry->whichfork, XFS_WHICHFORK_STRINGS),
 		  __entry->startoff,
 		  (int64_t)__entry->startblock,
 		  __entry->blockcount)
@@ -2604,7 +2604,7 @@ DECLARE_EVENT_CLASS(xfs_map_extent_deferred_class,
 		  __entry->agno,
 		  __entry->agbno,
 		  __entry->ino,
-		  __entry->whichfork == XFS_ATTR_FORK ? "attr" : "data",
+		  __print_symbolic(__entry->whichfork, XFS_WHICHFORK_STRINGS),
 		  __entry->l_loff,
 		  __entry->l_len,
 		  __entry->l_state)
@@ -3851,7 +3851,7 @@ TRACE_EVENT(xfs_btree_commit_ifakeroot,
 		  __print_symbolic(__entry->btnum, XFS_BTNUM_STRINGS),
 		  __entry->agno,
 		  __entry->agino,
-		  __entry->whichfork == XFS_ATTR_FORK ? "attr" : "data",
+		  __print_symbolic(__entry->whichfork, XFS_WHICHFORK_STRINGS),
 		  __entry->levels,
 		  __entry->blocks)
 )




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