From: Bart Van Assche bvanassche@acm.org
stable inclusion from stable-v5.10.137 commit 1ed71e6bcedbbf40e19c2c808df9d2e5891a7314 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I60PLB
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit 22c80aac882f712897b88b7ea8f5a74ea19019df ]
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 Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Reviewed-by: Wei Li liwei391@huawei.com --- kernel/trace/blktrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index e54e15e04f76..d5f3cd5b8698 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -1103,7 +1103,7 @@ 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(); }