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[2/2] iomap: trace: Add missing flags to [IOMAP_|IOMAP_F_]FLAGS_STRINGS

Message ID bf67e3e6af1cdc3c6cba83e204f440db1cbfda24.1743691371.git.ritesh.list@gmail.com (mailing list archive)
State New
Headers show
Series [1/2] Documentation: iomap: Add missing flags description | expand

Commit Message

Ritesh Harjani (IBM) April 3, 2025, 6:22 p.m. UTC 
This adds missing iomap flags to IOMAP_FLAGS_STRINGS &
IOMAP_F_FLAGS_STRINGS for tracing. While we are at it, let's also print
values of iomap->type & iomap->flags.

e.g. trace for ATOMIC_BIO flag set
xfs_io-1203    [000] .....   183.001559: iomap_iter_dstmap: dev 8:32 ino 0xc bdev 8:32 addr 0x84200000 offset 0x0 length 0x10000 type MAPPED (0x2) flags DIRTY|ATOMIC_BIO (0x102)

e.g. trace with DONTCACHE flag set
xfs_io-1110    [007] .....   238.780532: iomap_iter: dev 8:16 ino 0x83 pos 0x1000 length 0x1000 status 0 flags WRITE|DONTCACHE (0x401) ops xfs_buffered_write_iomap_ops caller iomap_file_buffered_write+0xab/0x0

Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
---
 fs/iomap/trace.h | 27 +++++++++++++++++++++------
 1 file changed, 21 insertions(+), 6 deletions(-)

--
2.48.1
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Patch

diff --git a/fs/iomap/trace.h b/fs/iomap/trace.h
index 9eab2c8ac3c5..455cc6f90be0 100644
--- a/fs/iomap/trace.h
+++ b/fs/iomap/trace.h
@@ -99,7 +99,11 @@  DEFINE_RANGE_EVENT(iomap_dio_rw_queued);
 	{ IOMAP_FAULT,		"FAULT" }, \
 	{ IOMAP_DIRECT,		"DIRECT" }, \
 	{ IOMAP_NOWAIT,		"NOWAIT" }, \
-	{ IOMAP_ATOMIC,		"ATOMIC" }
+	{ IOMAP_OVERWRITE_ONLY,	"OVERWRITE_ONLY" }, \
+	{ IOMAP_UNSHARE,	"UNSHARE" }, \
+	{ IOMAP_DAX,		"DAX" }, \
+	{ IOMAP_ATOMIC,		"ATOMIC" }, \
+	{ IOMAP_DONTCACHE,	"DONTCACHE" }

 #define IOMAP_F_FLAGS_STRINGS \
 	{ IOMAP_F_NEW,		"NEW" }, \
@@ -107,7 +111,14 @@  DEFINE_RANGE_EVENT(iomap_dio_rw_queued);
 	{ IOMAP_F_SHARED,	"SHARED" }, \
 	{ IOMAP_F_MERGED,	"MERGED" }, \
 	{ IOMAP_F_BUFFER_HEAD,	"BH" }, \
-	{ IOMAP_F_SIZE_CHANGED,	"SIZE_CHANGED" }
+	{ IOMAP_F_XATTR,	"XATTR" }, \
+	{ IOMAP_F_BOUNDARY,	"BOUNDARY" }, \
+	{ IOMAP_F_ANON_WRITE,	"ANON_WRITE" }, \
+	{ IOMAP_F_ATOMIC_BIO,	"ATOMIC_BIO" }, \
+	{ IOMAP_F_PRIVATE,	"PRIVATE" }, \
+	{ IOMAP_F_SIZE_CHANGED,	"SIZE_CHANGED" }, \
+	{ IOMAP_F_STALE,	"STALE" }
+

 #define IOMAP_DIO_STRINGS \
 	{IOMAP_DIO_FORCE_WAIT,	"DIO_FORCE_WAIT" }, \
@@ -138,7 +149,7 @@  DECLARE_EVENT_CLASS(iomap_class,
 		__entry->bdev = iomap->bdev ? iomap->bdev->bd_dev : 0;
 	),
 	TP_printk("dev %d:%d ino 0x%llx bdev %d:%d addr 0x%llx offset 0x%llx "
-		  "length 0x%llx type %s flags %s",
+		  "length 0x%llx type %s (0x%x) flags %s (0x%x)",
 		  MAJOR(__entry->dev), MINOR(__entry->dev),
 		  __entry->ino,
 		  MAJOR(__entry->bdev), MINOR(__entry->bdev),
@@ -146,7 +157,9 @@  DECLARE_EVENT_CLASS(iomap_class,
 		  __entry->offset,
 		  __entry->length,
 		  __print_symbolic(__entry->type, IOMAP_TYPE_STRINGS),
-		  __print_flags(__entry->flags, "|", IOMAP_F_FLAGS_STRINGS))
+		  __entry->type,
+		  __print_flags(__entry->flags, "|", IOMAP_F_FLAGS_STRINGS),
+		  __entry->flags)
 )

 #define DEFINE_IOMAP_EVENT(name)		\
@@ -185,7 +198,7 @@  TRACE_EVENT(iomap_writepage_map,
 		__entry->bdev = iomap->bdev ? iomap->bdev->bd_dev : 0;
 	),
 	TP_printk("dev %d:%d ino 0x%llx bdev %d:%d pos 0x%llx dirty len 0x%llx "
-		  "addr 0x%llx offset 0x%llx length 0x%llx type %s flags %s",
+		  "addr 0x%llx offset 0x%llx length 0x%llx type %s (0x%x) flags %s (0x%x)",
 		  MAJOR(__entry->dev), MINOR(__entry->dev),
 		  __entry->ino,
 		  MAJOR(__entry->bdev), MINOR(__entry->bdev),
@@ -195,7 +208,9 @@  TRACE_EVENT(iomap_writepage_map,
 		  __entry->offset,
 		  __entry->length,
 		  __print_symbolic(__entry->type, IOMAP_TYPE_STRINGS),
-		  __print_flags(__entry->flags, "|", IOMAP_F_FLAGS_STRINGS))
+		  __entry->type,
+		  __print_flags(__entry->flags, "|", IOMAP_F_FLAGS_STRINGS),
+		  __entry->flags)
 );

 TRACE_EVENT(iomap_iter,