From: mchristi@redhat.com
To: linux-f2fs-devel@lists.sourceforge.net,
linux-ext4@vger.kernel.org, konrad.wilk@oracle.com,
drbd-dev@lists.linbit.com, philipp.reisner@linbit.com,
lars.ellenberg@linbit.com, linux-raid@vger.kernel.org,
dm-devel@redhat.com, linux-fsdevel@vger.kernel.org,
linux-bcache@vger.kernel.org, linux-block@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org,
linux-mtd@lists.infradead.org, target-devel@vger.kernel.org,
linux-btrfs@vger.kernel.org, osd-dev@open-osd.org,
xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com
Cc: Mike Christie <mchristi@redhat.com>
Subject: [PATCH 35/42] blktrace: get op from req->op/bio->bi_op
Date: Fri, 15 Apr 2016 14:16:10 -0500 [thread overview]
Message-ID: <1460747777-8479-36-git-send-email-mchristi@redhat.com> (raw)
In-Reply-To: <1460747777-8479-1-git-send-email-mchristi@redhat.com>
From: Mike Christie <mchristi@redhat.com>
The bio and request structs now store the operation in
bio->bi_op/request->op. This patch has blktrace use that
field instead of bi_rw/cmd_flags.
Signed-off-by: Mike Christie <mchristi@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
---
include/linux/blktrace_api.h | 2 +-
include/trace/events/bcache.h | 12 ++++++----
include/trace/events/block.h | 31 +++++++++++++++++---------
kernel/trace/blktrace.c | 52 +++++++++++++++++++++++--------------------
4 files changed, 57 insertions(+), 40 deletions(-)
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index afc1343..ee25ba4 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -109,7 +109,7 @@ static inline int blk_cmd_buf_len(struct request *rq)
}
extern void blk_dump_cmd(char *buf, struct request *rq);
-extern void blk_fill_rwbs(char *rwbs, u32 rw, int bytes);
+extern void blk_fill_rwbs(char *rwbs, int op, u32 rw, int bytes);
#endif /* CONFIG_EVENT_TRACING && CONFIG_BLOCK */
diff --git a/include/trace/events/bcache.h b/include/trace/events/bcache.h
index 981acf7..8abe564 100644
--- a/include/trace/events/bcache.h
+++ b/include/trace/events/bcache.h
@@ -27,7 +27,8 @@ DECLARE_EVENT_CLASS(bcache_request,
__entry->sector = bio->bi_iter.bi_sector;
__entry->orig_sector = bio->bi_iter.bi_sector - 16;
__entry->nr_sector = bio->bi_iter.bi_size >> 9;
- blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
+ blk_fill_rwbs(__entry->rwbs, bio->bi_op, bio->bi_rw,
+ bio->bi_iter.bi_size);
),
TP_printk("%d,%d %s %llu + %u (from %d,%d @ %llu)",
@@ -101,7 +102,8 @@ DECLARE_EVENT_CLASS(bcache_bio,
__entry->dev = bio->bi_bdev->bd_dev;
__entry->sector = bio->bi_iter.bi_sector;
__entry->nr_sector = bio->bi_iter.bi_size >> 9;
- blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
+ blk_fill_rwbs(__entry->rwbs, bio->bi_op, bio->bi_rw,
+ bio->bi_iter.bi_size);
),
TP_printk("%d,%d %s %llu + %u",
@@ -136,7 +138,8 @@ TRACE_EVENT(bcache_read,
__entry->dev = bio->bi_bdev->bd_dev;
__entry->sector = bio->bi_iter.bi_sector;
__entry->nr_sector = bio->bi_iter.bi_size >> 9;
- blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
+ blk_fill_rwbs(__entry->rwbs, bio->bi_op, bio->bi_rw,
+ bio->bi_iter.bi_size);
__entry->cache_hit = hit;
__entry->bypass = bypass;
),
@@ -167,7 +170,8 @@ TRACE_EVENT(bcache_write,
__entry->inode = inode;
__entry->sector = bio->bi_iter.bi_sector;
__entry->nr_sector = bio->bi_iter.bi_size >> 9;
- blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
+ blk_fill_rwbs(__entry->rwbs, bio->bi_op, bio->bi_rw,
+ bio->bi_iter.bi_size);
__entry->writeback = writeback;
__entry->bypass = bypass;
),
diff --git a/include/trace/events/block.h b/include/trace/events/block.h
index e8a5eca..4416dcd 100644
--- a/include/trace/events/block.h
+++ b/include/trace/events/block.h
@@ -84,7 +84,8 @@ DECLARE_EVENT_CLASS(block_rq_with_error,
0 : blk_rq_sectors(rq);
__entry->errors = rq->errors;
- blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, blk_rq_bytes(rq));
+ blk_fill_rwbs(__entry->rwbs, rq->op, rq->cmd_flags,
+ blk_rq_bytes(rq));
blk_dump_cmd(__get_str(cmd), rq);
),
@@ -162,7 +163,7 @@ TRACE_EVENT(block_rq_complete,
__entry->nr_sector = nr_bytes >> 9;
__entry->errors = rq->errors;
- blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, nr_bytes);
+ blk_fill_rwbs(__entry->rwbs, rq->op, rq->cmd_flags, nr_bytes);
blk_dump_cmd(__get_str(cmd), rq);
),
@@ -198,7 +199,8 @@ DECLARE_EVENT_CLASS(block_rq,
__entry->bytes = (rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
blk_rq_bytes(rq) : 0;
- blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, blk_rq_bytes(rq));
+ blk_fill_rwbs(__entry->rwbs, rq->op, rq->cmd_flags,
+ blk_rq_bytes(rq));
blk_dump_cmd(__get_str(cmd), rq);
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
),
@@ -272,7 +274,8 @@ TRACE_EVENT(block_bio_bounce,
bio->bi_bdev->bd_dev : 0;
__entry->sector = bio->bi_iter.bi_sector;
__entry->nr_sector = bio_sectors(bio);
- blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
+ blk_fill_rwbs(__entry->rwbs, bio->bi_op, bio->bi_rw,
+ bio->bi_iter.bi_size);
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
),
@@ -310,7 +313,8 @@ TRACE_EVENT(block_bio_complete,
__entry->sector = bio->bi_iter.bi_sector;
__entry->nr_sector = bio_sectors(bio);
__entry->error = error;
- blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
+ blk_fill_rwbs(__entry->rwbs, bio->bi_op, bio->bi_rw,
+ bio->bi_iter.bi_size);
),
TP_printk("%d,%d %s %llu + %u [%d]",
@@ -337,7 +341,8 @@ DECLARE_EVENT_CLASS(block_bio_merge,
__entry->dev = bio->bi_bdev->bd_dev;
__entry->sector = bio->bi_iter.bi_sector;
__entry->nr_sector = bio_sectors(bio);
- blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
+ blk_fill_rwbs(__entry->rwbs, bio->bi_op, bio->bi_rw,
+ bio->bi_iter.bi_size);
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
),
@@ -404,7 +409,8 @@ TRACE_EVENT(block_bio_queue,
__entry->dev = bio->bi_bdev->bd_dev;
__entry->sector = bio->bi_iter.bi_sector;
__entry->nr_sector = bio_sectors(bio);
- blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
+ blk_fill_rwbs(__entry->rwbs, bio->bi_op, bio->bi_rw,
+ bio->bi_iter.bi_size);
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
),
@@ -432,7 +438,7 @@ DECLARE_EVENT_CLASS(block_get_rq,
__entry->dev = bio ? bio->bi_bdev->bd_dev : 0;
__entry->sector = bio ? bio->bi_iter.bi_sector : 0;
__entry->nr_sector = bio ? bio_sectors(bio) : 0;
- blk_fill_rwbs(__entry->rwbs,
+ blk_fill_rwbs(__entry->rwbs, bio ? bio->bi_op : 0,
bio ? bio->bi_rw : 0, __entry->nr_sector);
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
),
@@ -567,7 +573,8 @@ TRACE_EVENT(block_split,
__entry->dev = bio->bi_bdev->bd_dev;
__entry->sector = bio->bi_iter.bi_sector;
__entry->new_sector = new_sector;
- blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
+ blk_fill_rwbs(__entry->rwbs, bio->bi_op, bio->bi_rw,
+ bio->bi_iter.bi_size);
memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
),
@@ -610,7 +617,8 @@ TRACE_EVENT(block_bio_remap,
__entry->nr_sector = bio_sectors(bio);
__entry->old_dev = dev;
__entry->old_sector = from;
- blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size);
+ blk_fill_rwbs(__entry->rwbs, bio->bi_op, bio->bi_rw,
+ bio->bi_iter.bi_size);
),
TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu",
@@ -656,7 +664,8 @@ TRACE_EVENT(block_rq_remap,
__entry->old_dev = dev;
__entry->old_sector = from;
__entry->nr_bios = blk_rq_count_bios(rq);
- blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, blk_rq_bytes(rq));
+ blk_fill_rwbs(__entry->rwbs, rq->op, rq->cmd_flags,
+ blk_rq_bytes(rq));
),
TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu %u",
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index f94e7a2..6a381ea 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -199,7 +199,8 @@ static const u32 ddir_act[2] = { BLK_TC_ACT(BLK_TC_READ),
* blk_io_trace structure and places it in a per-cpu subbuffer.
*/
static void __blk_add_trace(struct blk_trace *bt, sector_t sector, int bytes,
- int rw, u32 what, int error, int pdu_len, void *pdu_data)
+ int op, int op_flags, u32 what, int error, int pdu_len,
+ void *pdu_data)
{
struct task_struct *tsk = current;
struct ring_buffer_event *event = NULL;
@@ -214,13 +215,14 @@ static void __blk_add_trace(struct blk_trace *bt, sector_t sector, int bytes,
if (unlikely(bt->trace_state != Blktrace_running && !blk_tracer))
return;
- what |= ddir_act[rw & WRITE];
- what |= MASK_TC_BIT(rw, SYNC);
- what |= MASK_TC_BIT(rw, RAHEAD);
- what |= MASK_TC_BIT(rw, META);
- what |= MASK_TC_BIT(rw, DISCARD);
- what |= MASK_TC_BIT(rw, FLUSH);
- what |= MASK_TC_BIT(rw, FUA);
+ what |= ddir_act[op_is_write(op) ? WRITE : READ];
+ what |= MASK_TC_BIT(op_flags, SYNC);
+ what |= MASK_TC_BIT(op_flags, RAHEAD);
+ what |= MASK_TC_BIT(op_flags, META);
+ what |= MASK_TC_BIT(op_flags, FLUSH);
+ what |= MASK_TC_BIT(op_flags, FUA);
+ if (op == REQ_OP_DISCARD)
+ what |= BLK_TC_ACT(BLK_TC_DISCARD);
pid = tsk->pid;
if (act_log_check(bt, what, sector, pid))
@@ -708,11 +710,11 @@ static void blk_add_trace_rq(struct request_queue *q, struct request *rq,
if (rq->cmd_type == REQ_TYPE_BLOCK_PC) {
what |= BLK_TC_ACT(BLK_TC_PC);
- __blk_add_trace(bt, 0, nr_bytes, rq->cmd_flags,
+ __blk_add_trace(bt, 0, nr_bytes, rq->op, rq->cmd_flags,
what, rq->errors, rq->cmd_len, rq->cmd);
} else {
what |= BLK_TC_ACT(BLK_TC_FS);
- __blk_add_trace(bt, blk_rq_pos(rq), nr_bytes,
+ __blk_add_trace(bt, blk_rq_pos(rq), nr_bytes, rq->op,
rq->cmd_flags, what, rq->errors, 0, NULL);
}
}
@@ -770,7 +772,7 @@ static void blk_add_trace_bio(struct request_queue *q, struct bio *bio,
return;
__blk_add_trace(bt, bio->bi_iter.bi_sector, bio->bi_iter.bi_size,
- bio->bi_rw, what, error, 0, NULL);
+ bio->bi_op, bio->bi_rw, what, error, 0, NULL);
}
static void blk_add_trace_bio_bounce(void *ignore,
@@ -818,7 +820,8 @@ static void blk_add_trace_getrq(void *ignore,
struct blk_trace *bt = q->blk_trace;
if (bt)
- __blk_add_trace(bt, 0, 0, rw, BLK_TA_GETRQ, 0, 0, NULL);
+ __blk_add_trace(bt, 0, 0, rw, 0, BLK_TA_GETRQ, 0, 0,
+ NULL);
}
}
@@ -833,7 +836,7 @@ static void blk_add_trace_sleeprq(void *ignore,
struct blk_trace *bt = q->blk_trace;
if (bt)
- __blk_add_trace(bt, 0, 0, rw, BLK_TA_SLEEPRQ,
+ __blk_add_trace(bt, 0, 0, rw, 0, BLK_TA_SLEEPRQ,
0, 0, NULL);
}
}
@@ -843,7 +846,7 @@ static void blk_add_trace_plug(void *ignore, struct request_queue *q)
struct blk_trace *bt = q->blk_trace;
if (bt)
- __blk_add_trace(bt, 0, 0, 0, BLK_TA_PLUG, 0, 0, NULL);
+ __blk_add_trace(bt, 0, 0, 0, 0, BLK_TA_PLUG, 0, 0, NULL);
}
static void blk_add_trace_unplug(void *ignore, struct request_queue *q,
@@ -860,7 +863,7 @@ static void blk_add_trace_unplug(void *ignore, struct request_queue *q,
else
what = BLK_TA_UNPLUG_TIMER;
- __blk_add_trace(bt, 0, 0, 0, what, 0, sizeof(rpdu), &rpdu);
+ __blk_add_trace(bt, 0, 0, 0, 0, what, 0, sizeof(rpdu), &rpdu);
}
}
@@ -874,8 +877,9 @@ static void blk_add_trace_split(void *ignore,
__be64 rpdu = cpu_to_be64(pdu);
__blk_add_trace(bt, bio->bi_iter.bi_sector,
- bio->bi_iter.bi_size, bio->bi_rw, BLK_TA_SPLIT,
- bio->bi_error, sizeof(rpdu), &rpdu);
+ bio->bi_iter.bi_size, bio->bi_op, bio->bi_rw,
+ BLK_TA_SPLIT, bio->bi_error, sizeof(rpdu),
+ &rpdu);
}
}
@@ -907,7 +911,7 @@ static void blk_add_trace_bio_remap(void *ignore,
r.sector_from = cpu_to_be64(from);
__blk_add_trace(bt, bio->bi_iter.bi_sector, bio->bi_iter.bi_size,
- bio->bi_rw, BLK_TA_REMAP, bio->bi_error,
+ bio->bi_op, bio->bi_rw, BLK_TA_REMAP, bio->bi_error,
sizeof(r), &r);
}
@@ -940,7 +944,7 @@ static void blk_add_trace_rq_remap(void *ignore,
r.sector_from = cpu_to_be64(from);
__blk_add_trace(bt, blk_rq_pos(rq), blk_rq_bytes(rq),
- rq_data_dir(rq), BLK_TA_REMAP, !!rq->errors,
+ rq_data_dir(rq), 0, BLK_TA_REMAP, !!rq->errors,
sizeof(r), &r);
}
@@ -965,10 +969,10 @@ void blk_add_driver_data(struct request_queue *q,
return;
if (rq->cmd_type == REQ_TYPE_BLOCK_PC)
- __blk_add_trace(bt, 0, blk_rq_bytes(rq), 0,
+ __blk_add_trace(bt, 0, blk_rq_bytes(rq), 0, 0,
BLK_TA_DRV_DATA, rq->errors, len, data);
else
- __blk_add_trace(bt, blk_rq_pos(rq), blk_rq_bytes(rq), 0,
+ __blk_add_trace(bt, blk_rq_pos(rq), blk_rq_bytes(rq), 0, 0,
BLK_TA_DRV_DATA, rq->errors, len, data);
}
EXPORT_SYMBOL_GPL(blk_add_driver_data);
@@ -1767,16 +1771,16 @@ void blk_dump_cmd(char *buf, struct request *rq)
}
}
-void blk_fill_rwbs(char *rwbs, u32 rw, int bytes)
+void blk_fill_rwbs(char *rwbs, int op, u32 rw, int bytes)
{
int i = 0;
if (rw & REQ_FLUSH)
rwbs[i++] = 'F';
- if (rw & WRITE)
+ if (op == REQ_OP_WRITE)
rwbs[i++] = 'W';
- else if (rw & REQ_DISCARD)
+ else if (op == REQ_OP_DISCARD)
rwbs[i++] = 'D';
else if (bytes)
rwbs[i++] = 'R';
--
2.7.2
next prev parent reply other threads:[~2016-04-15 19:17 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-15 19:15 [PATCH 00/42] v7: separate operations from flags in the bio/request structs mchristi
2016-04-15 19:15 ` [PATCH 01/42] block/fs/drivers: remove rw argument from submit_bio mchristi
2016-04-15 19:15 ` [PATCH 02/42] block: add REQ_OP definitions and bi_op/op fields mchristi
2016-04-15 19:15 ` [PATCH 03/42] block, fs, mm, drivers: set bi_op to REQ_OP mchristi
2016-04-15 19:15 ` [PATCH 04/42] fs: have submit_bh users pass in op and flags separately mchristi
2016-04-15 19:15 ` [PATCH 05/42] fs: have ll_rw_block " mchristi
2016-04-15 19:15 ` [PATCH 06/42] direct-io: set bi_op to REQ_OP mchristi
2016-04-15 19:15 ` [PATCH 07/42] btrfs: have submit_one_bio users setup bio bi_op mchristi
2016-04-15 19:15 ` [PATCH 08/42] btrfs: set bi_op tp REQ_OP mchristi
2016-04-15 19:15 ` [PATCH 09/42] btrfs: update __btrfs_map_block for bi_op transition mchristi
2016-04-15 19:15 ` [PATCH 10/42] btrfs: use bio fields for op and flags mchristi
2016-04-15 19:15 ` [PATCH 11/42] f2fs: set bi_op to REQ_OP mchristi
2016-04-15 19:15 ` [PATCH 12/42] gfs2: " mchristi
2016-04-15 19:15 ` [PATCH 13/42] xfs: " mchristi
2016-04-15 19:15 ` [PATCH 14/42] hfsplus: " mchristi
2016-04-15 19:15 ` [PATCH 15/42] mpage: " mchristi
2016-04-15 19:15 ` [PATCH 16/42] nilfs: " mchristi
2016-04-18 16:04 ` Ryusuke Konishi
2016-04-15 19:15 ` [PATCH 17/42] ocfs2: " mchristi
2016-04-15 19:15 ` [PATCH 18/42] pm: " mchristi
2016-04-15 19:15 ` [PATCH 19/42] dm: " mchristi
2016-04-15 19:15 ` [PATCH 20/42] dm: pass dm stats data dir instead of bi_rw mchristi
2016-04-15 19:15 ` [PATCH 21/42] bcache: set bi_op to REQ_OP mchristi
2016-04-15 19:15 ` [PATCH 22/42] drbd: " mchristi
2016-04-15 19:15 ` [PATCH 23/42] md/raid: " mchristi
2016-04-23 23:05 ` [PATCH] RAID Cleanup for bio-split Shaun Tancheff
2016-04-15 19:15 ` [PATCH 24/42] xen: set bi_op to REQ_OP mchristi
2016-04-15 19:16 ` [PATCH 25/42] target: " mchristi
2016-04-15 19:16 ` [PATCH 26/42] block: copy bio op to request op mchristi
2016-04-15 19:16 ` [PATCH 27/42] block: prepare request creation/destruction code to use REQ_OPs mchristi
2016-04-15 19:16 ` [PATCH 28/42] block: prepare mq request creation " mchristi
2016-04-15 19:16 ` [PATCH 29/42] block: prepare elevator " mchristi
2016-04-15 19:16 ` [PATCH 30/42] blkg_rwstat: separate op from flags mchristi
2016-04-15 19:16 ` [PATCH 31/42] block: convert merge/insert code to check for REQ_OPs mchristi
2016-04-15 19:16 ` [PATCH 32/42] block: convert is_sync helpers to use REQ_OPs mchristi
2016-04-15 19:16 ` [PATCH 33/42] block: convert rq_data_dir helper " mchristi
2016-04-15 19:16 ` [PATCH 34/42] drivers: set request op to REQ_OP mchristi
2016-04-15 19:16 ` mchristi [this message]
2016-04-15 19:16 ` [PATCH 36/42] ide cd: do not set REQ_WRITE on requests mchristi
2016-04-15 19:16 ` [PATCH 37/42] block, fs, drivers: do use bi_rw/cmd_flags for REQ_OPs mchristi
2016-04-15 19:16 ` [PATCH 38/42] block, fs: remove old REQ definitions mchristi
2016-04-15 19:16 ` [PATCH 39/42] block: shrink bio/request fields mchristi
2016-04-15 19:16 ` [PATCH 40/42] block, drivers: add REQ_OP_FLUSH operation mchristi
2016-04-15 19:16 ` [PATCH 41/42] block: do not use REQ_FLUSH for tracking flush support mchristi
2016-04-17 8:46 ` Juergen Gross
2016-04-15 19:16 ` [PATCH 42/42] block, drivers, fs: rename REQ_FLUSH to REQ_PREFLUSH mchristi
2016-04-15 19:44 ` [PATCH 00/42] v7: separate operations from flags in the bio/request structs Mike Snitzer
2016-05-03 20:44 ` Jeff Moyer
2016-05-04 17:51 ` Mike Christie
2016-05-04 17:58 ` Jeff Moyer
2016-05-04 18:04 ` Mike Christie
-- strict thread matches above, loose matches on Subject: below --
2016-04-15 10:39 [PATCH 00/42] v6: " mchristi
2016-04-15 10:39 ` [PATCH 35/42] blktrace: get op from req->op/bio->bi_op mchristi
2016-04-13 19:35 [PATCH 00/42] v5: separate operations from flags in the bio/request structs mchristi
2016-04-13 19:36 ` [PATCH 35/42] blktrace: get op from req->op/bio->bi_op mchristi
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as well as URLs for NNTP newsgroup(s).