Commit 463c5fab authored by Chaitanya Kulkarni's avatar Chaitanya Kulkarni Committed by Christoph Hellwig
Browse files

nvmet: add helper to revalidate bdev and file ns 



This patch adds a wrapper helper to indicate size change in the bdev &
file-backed namespace when revalidating ns. This helper is needed in
order to minimize code repetition in the next patch for configfs.c and
existing admin-cmd.c.  

Signed-off-by: default avatarChaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: default avatarSagi Grimberg <sagi@grimbeg.me>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 696ece75

drivers/nvme/target/admin-cmd.c

+1 −4
Original line number Diff line number Diff line
@@ -486,10 +486,7 @@ static void nvmet_execute_identify_ns(struct nvmet_req *req) 
	if (!ns)

		goto done;



	if (ns->bdev)

		nvmet_bdev_ns_revalidate(ns);

	else

		nvmet_file_ns_revalidate(ns);

	nvmet_ns_revalidate(ns);



	/*

	 * nuse = ncap = nsze isn't always true, but we have no way to find

drivers/nvme/target/core.c

+8 −0
Original line number Diff line number Diff line
@@ -515,6 +515,14 @@ static void nvmet_p2pmem_ns_add_p2p(struct nvmet_ctrl *ctrl, 
		ns->nsid);

}



void nvmet_ns_revalidate(struct nvmet_ns *ns)

{

	if (ns->bdev)

		nvmet_bdev_ns_revalidate(ns);

	else

		nvmet_file_ns_revalidate(ns);

}



int nvmet_ns_enable(struct nvmet_ns *ns)

{

	struct nvmet_subsys *subsys = ns->subsys;

drivers/nvme/target/nvmet.h

+1 −0
Original line number Diff line number Diff line
@@ -500,6 +500,7 @@ u16 nvmet_file_flush(struct nvmet_req *req); 
void nvmet_ns_changed(struct nvmet_subsys *subsys, u32 nsid);

void nvmet_bdev_ns_revalidate(struct nvmet_ns *ns);

int nvmet_file_ns_revalidate(struct nvmet_ns *ns);

void nvmet_ns_revalidate(struct nvmet_ns *ns);



static inline u32 nvmet_rw_len(struct nvmet_req *req)

{

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