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authorBart Van Assche <bvanassche@acm.org>2022-07-14 20:06:36 +0200
committerJens Axboe <axboe@kernel.dk>2022-07-14 20:14:30 +0200
commit22c80aac882f712897b88b7ea8f5a74ea19019df (patch)
tree4a5509b7adc65e7c6861d1c30678b29c6dd0027b
parentblock/kyber: Use the new blk_opf_t type (diff)
downloadlinux-22c80aac882f712897b88b7ea8f5a74ea19019df.tar.xz
linux-22c80aac882f712897b88b7ea8f5a74ea19019df.zip
blktrace: Trace remapped requests correctly
Trace the remapped operation and its flags instead of only the data direction of remapped operations. This issue was detected by analyzing the warnings reported by sparse related to the new blk_opf_t type. Reviewed-by: Jun'ichi Nomura <junichi.nomura@nec.com> Cc: Mike Snitzer <snitzer@kernel.org> Cc: Mike Christie <michael.christie@oracle.com> Cc: Li Zefan <lizf@cn.fujitsu.com> Cc: Chaitanya Kulkarni <kch@nvidia.com> Fixes: 1b9a9ab78b0a ("blktrace: use op accessors") Signed-off-by: Bart Van Assche <bvanassche@acm.org> Link: https://lore.kernel.org/r/20220714180729.1065367-11-bvanassche@acm.org Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--kernel/trace/blktrace.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 4752bda1b1a0..4327b51da403 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -1058,7 +1058,7 @@ static void blk_add_trace_rq_remap(void *ignore, struct request *rq, dev_t dev,
r.sector_from = cpu_to_be64(from);
__blk_add_trace(bt, blk_rq_pos(rq), blk_rq_bytes(rq),
- rq_data_dir(rq), 0, BLK_TA_REMAP, 0,
+ req_op(rq), rq->cmd_flags, BLK_TA_REMAP, 0,
sizeof(r), &r, blk_trace_request_get_cgid(rq));
rcu_read_unlock();
}