6 files changed, 43 insertions, 39 deletions

diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c
index 53a004ea320c..80099df37314 100644
--- a/drivers/nvme/target/admin-cmd.c
+++ b/drivers/nvme/target/admin-cmd.c
@@ -164,26 +164,31 @@ out:
 
 static void nvmet_get_cmd_effects_nvm(struct nvme_effects_log *log)
 {
-	log->acs[nvme_admin_get_log_page]	= cpu_to_le32(1 << 0);
-	log->acs[nvme_admin_identify]		= cpu_to_le32(1 << 0);
-	log->acs[nvme_admin_abort_cmd]		= cpu_to_le32(1 << 0);
-	log->acs[nvme_admin_set_features]	= cpu_to_le32(1 << 0);
-	log->acs[nvme_admin_get_features]	= cpu_to_le32(1 << 0);
-	log->acs[nvme_admin_async_event]	= cpu_to_le32(1 << 0);
-	log->acs[nvme_admin_keep_alive]		= cpu_to_le32(1 << 0);
-
-	log->iocs[nvme_cmd_read]		= cpu_to_le32(1 << 0);
-	log->iocs[nvme_cmd_write]		= cpu_to_le32(1 << 0);
-	log->iocs[nvme_cmd_flush]		= cpu_to_le32(1 << 0);
-	log->iocs[nvme_cmd_dsm]			= cpu_to_le32(1 << 0);
-	log->iocs[nvme_cmd_write_zeroes]	= cpu_to_le32(1 << 0);
+	log->acs[nvme_admin_get_log_page] =
+	log->acs[nvme_admin_identify] =
+	log->acs[nvme_admin_abort_cmd] =
+	log->acs[nvme_admin_set_features] =
+	log->acs[nvme_admin_get_features] =
+	log->acs[nvme_admin_async_event] =
+	log->acs[nvme_admin_keep_alive] =
+		cpu_to_le32(NVME_CMD_EFFECTS_CSUPP);
+
+	log->iocs[nvme_cmd_read] =
+	log->iocs[nvme_cmd_flush] =
+	log->iocs[nvme_cmd_dsm]	=
+		cpu_to_le32(NVME_CMD_EFFECTS_CSUPP);
+	log->iocs[nvme_cmd_write] =
+	log->iocs[nvme_cmd_write_zeroes] =
+		cpu_to_le32(NVME_CMD_EFFECTS_CSUPP | NVME_CMD_EFFECTS_LBCC);
 }
 
 static void nvmet_get_cmd_effects_zns(struct nvme_effects_log *log)
 {
-	log->iocs[nvme_cmd_zone_append]		= cpu_to_le32(1 << 0);
-	log->iocs[nvme_cmd_zone_mgmt_send]	= cpu_to_le32(1 << 0);
-	log->iocs[nvme_cmd_zone_mgmt_recv]	= cpu_to_le32(1 << 0);
+	log->iocs[nvme_cmd_zone_append] =
+	log->iocs[nvme_cmd_zone_mgmt_send] =
+		cpu_to_le32(NVME_CMD_EFFECTS_CSUPP | NVME_CMD_EFFECTS_LBCC);
+	log->iocs[nvme_cmd_zone_mgmt_recv] =
+		cpu_to_le32(NVME_CMD_EFFECTS_CSUPP);
 }
 
 static void nvmet_execute_get_log_cmd_effects_ns(struct nvmet_req *req)
@@ -835,7 +840,7 @@ void nvmet_execute_set_features(struct nvmet_req *req)
 	u16 nsqr;
 	u16 ncqr;
 
-	if (!nvmet_check_transfer_len(req, 0))
+	if (!nvmet_check_data_len_lte(req, 0))
 		return;
 
 	switch (cdw10 & 0xff) {
diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c
index ab2627e17bb9..1ab6601fdd5c 100644
--- a/drivers/nvme/target/fc.c
+++ b/drivers/nvme/target/fc.c
@@ -1685,8 +1685,10 @@ nvmet_fc_ls_create_association(struct nvmet_fc_tgtport *tgtport,
 		else {
 			queue = nvmet_fc_alloc_target_queue(iod->assoc, 0,
 					be16_to_cpu(rqst->assoc_cmd.sqsize));
-			if (!queue)
+			if (!queue) {
 				ret = VERR_QUEUE_ALLOC_FAIL;
+				nvmet_fc_tgt_a_put(iod->assoc);
+			}
 		}
 	}
 
diff --git a/drivers/nvme/target/io-cmd-file.c b/drivers/nvme/target/io-cmd-file.c
index 871c4f32f443..2d068439b129 100644
--- a/drivers/nvme/target/io-cmd-file.c
+++ b/drivers/nvme/target/io-cmd-file.c
@@ -73,13 +73,6 @@ err:
 	return ret;
 }
 
-static void nvmet_file_init_bvec(struct bio_vec *bv, struct scatterlist *sg)
-{
-	bv->bv_page = sg_page(sg);
-	bv->bv_offset = sg->offset;
-	bv->bv_len = sg->length;
-}
-
 static ssize_t nvmet_file_submit_bvec(struct nvmet_req *req, loff_t pos,
 		unsigned long nr_segs, size_t count, int ki_flags)
 {
@@ -146,7 +139,8 @@ static bool nvmet_file_execute_io(struct nvmet_req *req, int ki_flags)
 
 	memset(&req->f.iocb, 0, sizeof(struct kiocb));
 	for_each_sg(req->sg, sg, req->sg_cnt, i) {
-		nvmet_file_init_bvec(&req->f.bvec[bv_cnt], sg);
+		bvec_set_page(&req->f.bvec[bv_cnt], sg_page(sg), sg->length,
+			      sg->offset);
 		len += req->f.bvec[bv_cnt].bv_len;
 		total_len += req->f.bvec[bv_cnt].bv_len;
 		bv_cnt++;
diff --git a/drivers/nvme/target/passthru.c b/drivers/nvme/target/passthru.c
index 79af5140af8b..511c980d538d 100644
--- a/drivers/nvme/target/passthru.c
+++ b/drivers/nvme/target/passthru.c
@@ -216,11 +216,12 @@ static void nvmet_passthru_execute_cmd_work(struct work_struct *w)
 	struct nvmet_req *req = container_of(w, struct nvmet_req, p.work);
 	struct request *rq = req->p.rq;
 	struct nvme_ctrl *ctrl = nvme_req(rq)->ctrl;
+	struct nvme_ns *ns = rq->q->queuedata;
 	u32 effects;
 	int status;
 
-	status = nvme_execute_passthru_rq(rq, &effects);
-
+	effects = nvme_passthru_start(ctrl, ns, req->cmd->common.opcode);
+	status = nvme_execute_rq(rq, false);
 	if (status == NVME_SC_SUCCESS &&
 	    req->cmd->common.opcode == nvme_admin_identify) {
 		switch (req->cmd->identify.cns) {
@@ -334,14 +335,13 @@ static void nvmet_passthru_execute_cmd(struct nvmet_req *req)
 	}
 
 	/*
-	 * If there are effects for the command we are about to execute, or
-	 * an end_req function we need to use nvme_execute_passthru_rq()
-	 * synchronously in a work item seeing the end_req function and
-	 * nvme_passthru_end() can't be called in the request done callback
-	 * which is typically in interrupt context.
+	 * If a command needs post-execution fixups, or there are any
+	 * non-trivial effects, make sure to execute the command synchronously
+	 * in a workqueue so that nvme_passthru_end gets called.
 	 */
 	effects = nvme_command_effects(ctrl, ns, req->cmd->common.opcode);
-	if (req->p.use_workqueue || effects) {
+	if (req->p.use_workqueue ||
+	    (effects & ~(NVME_CMD_EFFECTS_CSUPP | NVME_CMD_EFFECTS_LBCC))) {
 		INIT_WORK(&req->p.work, nvmet_passthru_execute_cmd_work);
 		req->p.rq = rq;
 		queue_work(nvmet_wq, &req->p.work);
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index cc05c094de22..66e8f9fd0ca7 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -14,6 +14,7 @@
 #include <linux/inet.h>
 #include <linux/llist.h>
 #include <crypto/hash.h>
+#include <trace/events/sock.h>
 
 #include "nvmet.h"
 
@@ -321,9 +322,8 @@ static void nvmet_tcp_build_pdu_iovec(struct nvmet_tcp_cmd *cmd)
 	while (length) {
 		u32 iov_len = min_t(u32, length, sg->length - sg_offset);
 
-		iov->bv_page = sg_page(sg);
-		iov->bv_len = sg->length;
-		iov->bv_offset = sg->offset + sg_offset;
+		bvec_set_page(iov, sg_page(sg), sg->length,
+				sg->offset + sg_offset);
 
 		length -= iov_len;
 		sg = sg_next(sg);
@@ -1470,6 +1470,8 @@ static void nvmet_tcp_data_ready(struct sock *sk)
 {
 	struct nvmet_tcp_queue *queue;
 
+	trace_sk_data_ready(sk);
+
 	read_lock_bh(&sk->sk_callback_lock);
 	queue = sk->sk_user_data;
 	if (likely(queue))
@@ -1667,6 +1669,8 @@ static void nvmet_tcp_listen_data_ready(struct sock *sk)
 {
 	struct nvmet_tcp_port *port;
 
+	trace_sk_data_ready(sk);
+
 	read_lock_bh(&sk->sk_callback_lock);
 	port = sk->sk_user_data;
 	if (!port)
diff --git a/drivers/nvme/target/zns.c b/drivers/nvme/target/zns.c
index 1254cf57e008..7e4292d88016 100644
--- a/drivers/nvme/target/zns.c
+++ b/drivers/nvme/target/zns.c
@@ -254,8 +254,7 @@ static unsigned long nvmet_req_nr_zones_from_slba(struct nvmet_req *req)
 {
 	unsigned int sect = nvmet_lba_to_sect(req->ns, req->cmd->zmr.slba);
 
-	return bdev_nr_zones(req->ns->bdev) -
-		(sect >> ilog2(bdev_zone_sectors(req->ns->bdev)));
+	return bdev_nr_zones(req->ns->bdev) - bdev_zone_no(req->ns->bdev, sect);
 }
 
 static unsigned long get_nr_zones_from_buf(struct nvmet_req *req, u32 bufsize)