From: Keith Busch <kbusch@kernel.org>
To: linux-nvme@lists.infradead.org, hch@lst.de, sagi@grimberg.me
Cc: Keith Busch <kbusch@kernel.org>
Subject: [PATCH 09/10] nvme: revalidate namespace stream parameters
Date: Thu, 9 Apr 2020 09:09:07 -0700 [thread overview]
Message-ID: <20200409160908.1889471-10-kbusch@kernel.org> (raw)
In-Reply-To: <20200409160908.1889471-1-kbusch@kernel.org>
The stream parameters are based on the currently formatted logical block
size. Recheck these parameters on namespace revalidation so the
registered constraints will be accurate.
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
drivers/nvme/host/core.c | 54 ++++++++++++++++++++--------------------
1 file changed, 27 insertions(+), 27 deletions(-)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index f80d65bb4308..e9f71a4c6b89 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1810,6 +1810,32 @@ static bool nvme_ns_ids_equal(struct nvme_ns_ids *a, struct nvme_ns_ids *b)
memcmp(&a->eui64, &b->eui64, sizeof(a->eui64)) == 0;
}
+static int nvme_setup_streams_ns(struct nvme_ctrl *ctrl, struct nvme_ns *ns)
+{
+ struct streams_directive_params s;
+ int ret;
+
+ if (!ctrl->nr_streams)
+ return 0;
+
+ ret = nvme_get_stream_params(ctrl, &s, ns->head->ns_id);
+ if (ret)
+ return ret;
+
+ ns->sws = le32_to_cpu(s.sws);
+ ns->sgs = le16_to_cpu(s.sgs);
+
+ if (ns->sws) {
+ unsigned int bs = 1 << ns->lba_shift;
+
+ blk_queue_io_min(ns->queue, bs * ns->sws);
+ if (ns->sgs)
+ blk_queue_io_opt(ns->queue, bs * ns->sws * ns->sgs);
+ }
+
+ return 0;
+}
+
static void nvme_update_disk_info(struct gendisk *disk,
struct nvme_ns *ns, struct nvme_id_ns *id)
{
@@ -1824,6 +1850,7 @@ static void nvme_update_disk_info(struct gendisk *disk,
blk_mq_freeze_queue(disk->queue);
blk_integrity_unregister(disk);
+ nvme_setup_streams_ns(ns->ctrl, ns);
if (id->nabo == 0) {
/*
* Bit 1 indicates whether NAWUPF is defined for this namespace
@@ -3545,32 +3572,6 @@ static struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid)
return ret;
}
-static int nvme_setup_streams_ns(struct nvme_ctrl *ctrl, struct nvme_ns *ns)
-{
- struct streams_directive_params s;
- int ret;
-
- if (!ctrl->nr_streams)
- return 0;
-
- ret = nvme_get_stream_params(ctrl, &s, ns->head->ns_id);
- if (ret)
- return ret;
-
- ns->sws = le32_to_cpu(s.sws);
- ns->sgs = le16_to_cpu(s.sgs);
-
- if (ns->sws) {
- unsigned int bs = 1 << ns->lba_shift;
-
- blk_queue_io_min(ns->queue, bs * ns->sws);
- if (ns->sgs)
- blk_queue_io_opt(ns->queue, bs * ns->sws * ns->sgs);
- }
-
- return 0;
-}
-
static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid)
{
struct nvme_ns *ns;
@@ -3614,7 +3615,6 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid)
ret = nvme_init_ns_head(ns, nsid, id);
if (ret)
goto out_free_id;
- nvme_setup_streams_ns(ctrl, ns);
nvme_set_disk_name(disk_name, ns, ctrl, &flags);
disk = alloc_disk_node(0, node);
--
2.24.1
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next prev parent reply other threads:[~2020-04-09 16:10 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-09 16:08 [PATCH 00/10] namespace settings updates Keith Busch
2020-04-09 16:08 ` [PATCH 01/10] nvme: unlink head after removing last namespace Keith Busch
2020-04-10 7:12 ` Sagi Grimberg
2020-04-09 16:09 ` [PATCH 02/10] nvme: release namespace head reference on error Keith Busch
2020-04-10 7:13 ` Sagi Grimberg
2020-04-09 16:09 ` [PATCH 03/10] nvme: always search for namespace head Keith Busch
2020-04-10 7:31 ` Sagi Grimberg
2020-04-09 16:09 ` [PATCH 04/10] nvme: check namespace head shared property Keith Busch
2020-04-10 7:35 ` Sagi Grimberg
2020-04-09 16:09 ` [PATCH 05/10] nvme: don't directly update multipath queue settings Keith Busch
2020-04-10 7:45 ` Sagi Grimberg
2020-04-22 16:51 ` Keith Busch
2020-04-09 16:09 ` [PATCH 06/10] nvme-multipath: set bdi capabilities once Keith Busch
2020-04-10 7:46 ` Sagi Grimberg
2020-04-09 16:09 ` [PATCH 07/10] nvme: revalidate after verifying identifiers Keith Busch
2020-04-10 7:47 ` Sagi Grimberg
2020-04-09 16:09 ` [PATCH 08/10] nvme: consolidate chunk_sectors settings Keith Busch
2020-04-10 7:49 ` Sagi Grimberg
2020-04-09 16:09 ` Keith Busch [this message]
2020-04-10 7:50 ` [PATCH 09/10] nvme: revalidate namespace stream parameters Sagi Grimberg
2020-04-09 16:09 ` [PATCH 10/10] nvme: consolodate io settings Keith Busch
2020-04-22 7:56 ` [PATCH 00/10] namespace settings updates Christoph Hellwig
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