[PATCH v8 03/13] nvmet: add return value to nvmet_add_async_event()
From: Logan Gunthorpe <logang@deltatee.com>
Date: 2019-08-28 21:55:32
Also in:
linux-fsdevel, lkml
Subsystem:
nvm express target driver, the rest · Maintainers:
Christoph Hellwig, Sagi Grimberg, Chaitanya Kulkarni, Linus Torvalds
From: Chaitanya Kulkarni <redacted> Change the return value for nvmet_add_async_event(). This change is needed for the target passthru code which will submit async events on namespaces changes and can fail the command should adding the event fail (on -ENOMEM). Signed-off-by: Chaitanya Kulkarni <redacted> [logang@deltatee.com: * fleshed out commit message * change to using int as a return type instead of bool ] Signed-off-by: Logan Gunthorpe <logang@deltatee.com> --- drivers/nvme/target/core.c | 6 ++++-- drivers/nvme/target/nvmet.h | 2 +- 2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
index 3a67e244e568..d6dcb86d8be7 100644
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c@@ -173,14 +173,14 @@ static void nvmet_async_event_work(struct work_struct *work) } } -void nvmet_add_async_event(struct nvmet_ctrl *ctrl, u8 event_type, +int nvmet_add_async_event(struct nvmet_ctrl *ctrl, u8 event_type, u8 event_info, u8 log_page) { struct nvmet_async_event *aen; aen = kmalloc(sizeof(*aen), GFP_KERNEL); if (!aen) - return; + return -ENOMEM; aen->event_type = event_type; aen->event_info = event_info;
@@ -191,6 +191,8 @@ void nvmet_add_async_event(struct nvmet_ctrl *ctrl, u8 event_type, mutex_unlock(&ctrl->lock); schedule_work(&ctrl->async_event_work); + + return 0; } static void nvmet_add_to_changed_ns_log(struct nvmet_ctrl *ctrl, __le32 nsid)
diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h
index c51f8dd01dc4..3d313a6452cc 100644
--- a/drivers/nvme/target/nvmet.h
+++ b/drivers/nvme/target/nvmet.h@@ -441,7 +441,7 @@ void nvmet_port_disc_changed(struct nvmet_port *port, struct nvmet_subsys *subsys); void nvmet_subsys_disc_changed(struct nvmet_subsys *subsys, struct nvmet_host *host); -void nvmet_add_async_event(struct nvmet_ctrl *ctrl, u8 event_type, +int nvmet_add_async_event(struct nvmet_ctrl *ctrl, u8 event_type, u8 event_info, u8 log_page); #define NVMET_QUEUE_SIZE 1024
--
2.20.1