From: Kanchan Joshi <joshi.k@samsung.com>
To: Jens Axboe <axboe@kernel.dk>, Jonathan Corbet <corbet@lwn.net>,
Alasdair Kergon <agk@redhat.com>,
Mike Snitzer <snitzer@kernel.org>,
Mikulas Patocka <mpatocka@redhat.com>,
dm-devel@lists.linux.dev, Keith Busch <kbusch@kernel.org>,
Christoph Hellwig <hch@lst.de>, Sagi Grimberg <sagi@grimberg.me>,
Chaitanya Kulkarni <kch@nvidia.com>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Christian Brauner <brauner@kernel.org>
Cc: martin.petersen@oracle.com, linux-scsi@vger.kernel.org,
nitheshshetty@gmail.com, anuj1072538@gmail.com,
gost.dev@samsung.com, mcgrof@kernel.org,
Nitesh Shetty <nj.shetty@samsung.com>,
Hannes Reinecke <hare@suse.de>, Anuj Gupta <anuj20.g@samsung.com>,
linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-doc@vger.kernel.org, linux-nvme@lists.infradead.org,
linux-fsdevel@vger.kernel.org
Subject: [PATCH v18 11/12] null: Enable trace capability for null block
Date: Wed, 6 Dec 2023 15:32:43 +0530 [thread overview]
Message-ID: <20231206100253.13100-12-joshi.k@samsung.com> (raw)
In-Reply-To: <20231206100253.13100-1-joshi.k@samsung.com>
From: Nitesh Shetty <nj.shetty@samsung.com>
This is a prep patch to enable copy trace capability.
At present only zoned null_block is using trace, so we decoupled trace
and zoned dependency to make it usable in null_blk driver also.
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Nitesh Shetty <nj.shetty@samsung.com>
Signed-off-by: Anuj Gupta <anuj20.g@samsung.com>
---
drivers/block/null_blk/Makefile | 2 --
drivers/block/null_blk/main.c | 3 +++
drivers/block/null_blk/trace.h | 2 ++
drivers/block/null_blk/zoned.c | 1 -
4 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/block/null_blk/Makefile b/drivers/block/null_blk/Makefile
index 84c36e512ab8..672adcf0ad24 100644
--- a/drivers/block/null_blk/Makefile
+++ b/drivers/block/null_blk/Makefile
@@ -5,7 +5,5 @@ ccflags-y += -I$(src)
obj-$(CONFIG_BLK_DEV_NULL_BLK) += null_blk.o
null_blk-objs := main.o
-ifeq ($(CONFIG_BLK_DEV_ZONED), y)
null_blk-$(CONFIG_TRACING) += trace.o
-endif
null_blk-$(CONFIG_BLK_DEV_ZONED) += zoned.o
diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.c
index 3021d58ca51c..1b40c674f62b 100644
--- a/drivers/block/null_blk/main.c
+++ b/drivers/block/null_blk/main.c
@@ -11,6 +11,9 @@
#include <linux/init.h>
#include "null_blk.h"
+#define CREATE_TRACE_POINTS
+#include "trace.h"
+
#undef pr_fmt
#define pr_fmt(fmt) "null_blk: " fmt
diff --git a/drivers/block/null_blk/trace.h b/drivers/block/null_blk/trace.h
index 6b2b370e786f..91446c34eac2 100644
--- a/drivers/block/null_blk/trace.h
+++ b/drivers/block/null_blk/trace.h
@@ -30,6 +30,7 @@ static inline void __assign_disk_name(char *name, struct gendisk *disk)
}
#endif
+#ifdef CONFIG_BLK_DEV_ZONED
TRACE_EVENT(nullb_zone_op,
TP_PROTO(struct nullb_cmd *cmd, unsigned int zone_no,
unsigned int zone_cond),
@@ -67,6 +68,7 @@ TRACE_EVENT(nullb_report_zones,
TP_printk("%s nr_zones=%u",
__print_disk_name(__entry->disk), __entry->nr_zones)
);
+#endif /* CONFIG_BLK_DEV_ZONED */
#endif /* _TRACE_NULLB_H */
diff --git a/drivers/block/null_blk/zoned.c b/drivers/block/null_blk/zoned.c
index 55c5b48bc276..9694461a31a4 100644
--- a/drivers/block/null_blk/zoned.c
+++ b/drivers/block/null_blk/zoned.c
@@ -3,7 +3,6 @@
#include <linux/bitmap.h>
#include "null_blk.h"
-#define CREATE_TRACE_POINTS
#include "trace.h"
#undef pr_fmt
--
2.35.1.500.gb896f729e2
next prev parent reply other threads:[~2023-12-06 10:13 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20231206101018epcas5p1c4f2dc5149853412918e0270314f96b0@epcas5p1.samsung.com>
2023-12-06 10:02 ` [PATCH v18 00/12] Implement copy offload support Kanchan Joshi
2023-12-06 10:02 ` [PATCH v18 01/12] block: Introduce queue limits and sysfs for copy-offload support Kanchan Joshi
2023-12-06 10:02 ` [PATCH v18 02/12] Add infrastructure for copy offload in block and request layer Kanchan Joshi
2023-12-14 1:11 ` Keith Busch
2023-12-16 18:16 ` Nitesh Shetty
2023-12-06 10:02 ` [PATCH v18 03/12] block: add copy offload support Kanchan Joshi
2023-12-06 10:02 ` [PATCH v18 04/12] block: add emulation for copy Kanchan Joshi
2023-12-06 10:02 ` [PATCH v18 05/12] fs/read_write: Enable copy_file_range for block device Kanchan Joshi
2023-12-06 10:02 ` [PATCH v18 06/12] fs, block: copy_file_range for def_blk_ops for direct " Kanchan Joshi
2023-12-06 10:02 ` [PATCH v18 07/12] nvme: add copy offload support Kanchan Joshi
2023-12-06 10:02 ` [PATCH v18 08/12] nvmet: add copy command support for bdev and file ns Kanchan Joshi
2023-12-06 10:02 ` [PATCH v18 09/12] dm: Add support for copy offload Kanchan Joshi
2023-12-06 10:02 ` [PATCH v18 10/12] dm: Enable copy offload for dm-linear target Kanchan Joshi
2023-12-06 10:02 ` Kanchan Joshi [this message]
2023-12-06 10:02 ` [PATCH v18 12/12] null_blk: add support for copy offload Kanchan Joshi
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