From: Klaus Jensen <its@irrelevant.dk>
To: Keith Busch <kbusch@kernel.org>
Cc: "Kevin Wolf" <kwolf@redhat.com>,
"Niklas Cassel" <Niklas.Cassel@wdc.com>,
qemu-block@nongnu.org, "Klaus Jensen" <k.jensen@samsung.com>,
qemu-devel@nongnu.org,
"Philippe Mathieu-Daudé" <philmd@redhat.com>
Subject: Re: [PATCH 3/9] hw/block/nvme: support per-namespace smart log
Date: Fri, 2 Oct 2020 10:48:03 +0200 [thread overview]
Message-ID: <20201002084803.GB877411@apples.localdomain> (raw)
In-Reply-To: <20200930220414.562527-4-kbusch@kernel.org>
[-- Attachment #1: Type: text/plain, Size: 1660 bytes --]
On Sep 30 15:04, Keith Busch wrote:
> Let the user specify a specific namespace if they want to get access
> stats for a specific namespace.
>
> Signed-off-by: Keith Busch <kbusch@kernel.org>
> ---
> hw/block/nvme.c | 66 +++++++++++++++++++++++++++-----------------
> include/block/nvme.h | 1 +
> 2 files changed, 41 insertions(+), 26 deletions(-)
>
> diff --git a/hw/block/nvme.c b/hw/block/nvme.c
> index 8d2b5be567..41389b2b09 100644
> --- a/hw/block/nvme.c
> +++ b/hw/block/nvme.c
> static uint16_t nvme_smart_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len,
> uint64_t off, NvmeRequest *req)
> {
> uint32_t nsid = le32_to_cpu(req->cmd.nsid);
> -
> + struct nvme_stats stats = { 0 };
> + NvmeSmartLog smart = { 0 };
> uint32_t trans_len;
> + NvmeNamespace *ns;
> time_t current_ms;
> - uint64_t units_read = 0, units_written = 0;
> - uint64_t read_commands = 0, write_commands = 0;
> - NvmeSmartLog smart;
> -
> - if (nsid && nsid != 0xffffffff) {
> - return NVME_INVALID_FIELD | NVME_DNR;
> - }
>
> if (off >= sizeof(smart)) {
> return NVME_INVALID_FIELD | NVME_DNR;
> }
>
> - for (int i = 1; i <= n->num_namespaces; i++) {
> - NvmeNamespace *ns = nvme_ns(n, i);
> - if (!ns) {
> - continue;
> - }
> -
> - BlockAcctStats *s = blk_get_stats(ns->blkconf.blk);
> + if (nsid != 0xffffffff) {
> + ns = nvme_ns(n, nsid);
> + if (!ns)
> + return NVME_INVALID_NSID | NVME_DNR;
Btw, this is failing style check (missing braces).
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 484 bytes --]
next prev parent reply other threads:[~2020-10-02 8:51 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-30 22:04 [PATCH 0/9] nvme qemu cleanups and fixes Keith Busch
2020-09-30 22:04 ` [PATCH 1/9] hw/block/nvme: remove pointless rw indirection Keith Busch
2020-10-01 4:05 ` Klaus Jensen
2020-10-01 8:48 ` Klaus Jensen
2020-10-01 15:24 ` Keith Busch
2020-10-01 18:34 ` Klaus Jensen
2020-10-06 1:49 ` Dmitry Fomichev
2020-09-30 22:04 ` [PATCH 2/9] hw/block/nvme: fix log page offset check Keith Busch
2020-09-30 23:18 ` Dmitry Fomichev
2020-10-01 4:05 ` Klaus Jensen
2020-10-01 10:11 ` Philippe Mathieu-Daudé
2020-09-30 22:04 ` [PATCH 3/9] hw/block/nvme: support per-namespace smart log Keith Busch
2020-10-01 4:10 ` Klaus Jensen
2020-10-01 15:20 ` Keith Busch
2020-10-01 17:18 ` Klaus Jensen
2020-10-01 17:30 ` Keith Busch
2020-10-01 17:34 ` Klaus Jensen
2020-10-02 8:48 ` Klaus Jensen [this message]
2020-10-06 1:57 ` Dmitry Fomichev
2020-09-30 22:04 ` [PATCH 4/9] hw/block/nvme: validate command set selected Keith Busch
2020-10-01 4:14 ` Klaus Jensen
2020-09-30 22:04 ` [PATCH 5/9] hw/block/nvme: support for admin-only command set Keith Busch
2020-10-01 0:11 ` Dmitry Fomichev
2020-10-01 4:17 ` Klaus Jensen
2020-09-30 22:04 ` [PATCH 6/9] hw/block/nvme: reject io commands if only admin command set selected Keith Busch
2020-09-30 23:11 ` Dmitry Fomichev
2020-09-30 22:04 ` [PATCH 7/9] hw/block/nvme: add nsid to get/setfeat trace events Keith Busch
2020-09-30 22:04 ` [PATCH 8/9] hw/block/nvme: add trace event for requests with non-zero status code Keith Busch
2020-09-30 23:21 ` Dmitry Fomichev
2020-10-01 15:25 ` Philippe Mathieu-Daudé
2020-09-30 22:04 ` [PATCH 9/9] hw/block/nvme: report actual LBA data shift in LBAF Keith Busch
2020-10-01 9:48 ` Klaus Jensen
2020-10-01 18:46 ` [PATCH 0/9] nvme qemu cleanups and fixes Klaus Jensen
2020-10-13 9:04 ` Klaus Jensen
2020-10-13 17:48 ` Keith Busch
2020-10-13 18:36 ` Klaus Jensen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20201002084803.GB877411@apples.localdomain \
--to=its@irrelevant.dk \
--cc=Niklas.Cassel@wdc.com \
--cc=k.jensen@samsung.com \
--cc=kbusch@kernel.org \
--cc=kwolf@redhat.com \
--cc=philmd@redhat.com \
--cc=qemu-block@nongnu.org \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).