f2fs: use block layer helper for show_bio_op macro

This change “f2fs: use block layer helper for show_bio_op macro” (commit 0ce3537) in Linux kernel is authored by Chaitanya Kulkarni <chaitanya.kulkarni [at] wdc.com> on Thu Jun 20 10:59:19 2019 -0700.

Description of "f2fs: use block layer helper for show_bio_op macro"

The change “f2fs: use block layer helper for show_bio_op macro” introduces changes as follows.

f2fs: use block layer helper for show_bio_op macro

Adjust the f2fs tracing code to use newly introduced block layer
function blk_op_str() which converts the REQ_OP_XXX into the string
XXX.

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

Linux kernel releases containing commit 0ce3537

The Linux kernel releases containing this commit are as follows.

Linux kernel code changes from "f2fs: use block layer helper for show_bio_op macro"

There are 11 lines of Linux source code added/deleted in this change. Code changes to Linux kernel are as follows.

 include/trace/events/f2fs.h | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)
 
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index 53b96f12300c..e3dc031af7f5 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -76,16 +76,7 @@ TRACE_DEFINE_ENUM(CP_TRIMMED);
 #define show_bio_type(op,op_flags)	show_bio_op(op),		\
 						show_bio_op_flags(op_flags)
 
-#define show_bio_op(op)							\
-	__print_symbolic(op,						\
-		{ REQ_OP_READ,			"READ" },		\
-		{ REQ_OP_WRITE,			"WRITE" },		\
-		{ REQ_OP_FLUSH,			"FLUSH" },		\
-		{ REQ_OP_DISCARD,		"DISCARD" },		\
-		{ REQ_OP_SECURE_ERASE,		"SECURE_ERASE" },	\
-		{ REQ_OP_ZONE_RESET,		"ZONE_RESET" },		\
-		{ REQ_OP_WRITE_SAME,		"WRITE_SAME" },		\
-		{ REQ_OP_WRITE_ZEROES,		"WRITE_ZEROES" })
+#define show_bio_op(op)		blk_op_str(op)
 
 #define show_bio_op_flags(flags)					\
 	__print_flags(F2FS_BIO_FLAG_MASK(flags), "|",			\

The commit for this change in Linux stable tree is 0ce3537 (patch).

Last modified: 2020/02/08