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Re: [Qemu-devel] [PATCH 0/2 V13] fsdev: add IO throttle support to fsdev
From: |
Greg Kurz |
Subject: |
Re: [Qemu-devel] [PATCH 0/2 V13] fsdev: add IO throttle support to fsdev devices |
Date: |
Mon, 23 Jan 2017 17:42:14 +0100 |
On Mon, 23 Jan 2017 17:30:13 +0100
Pradeep Jagadeesh <address@hidden> wrote:
> On 1/23/2017 5:22 PM, Greg Kurz wrote:
> > On Mon, 23 Jan 2017 08:03:18 -0800 (PST)
> > address@hidden wrote:
> >> Hi,
> >>
> >> Your series seems to have some coding style problems. See output below for
> >> more information:
> >>
> >
> Ya, I observed signoff issue. I have created next version files.
> I will send them tomorrow.
>
> But, I do not know how to solve the second warning.
> i.e multi line macro issue.
>
As I had written in my mail:
> > I guess your patch is ok here: checkpatch.pl is simply not smart enough to
> > parse this.
You can ignore this warning.
Also, you had a positive review for patch 2/2:
https://lists.gnu.org/archive/html/qemu-devel/2017-01/msg04637.html
You can add this line below your S-o-b.
> -Pradeep
>
> > Pradeep,
> >
> > One should usually take patchew's findings into account. See below.
> >
> >> Type: series
> >> Subject: [Qemu-devel] [PATCH 0/2 V13] fsdev: add IO throttle support to
> >> fsdev devices
> >> Message-id: address@hidden
> >>
> >> === TEST SCRIPT BEGIN ===
> >> #!/bin/bash
> >>
> >> BASE=base
> >> n=1
> >> total=$(git log --oneline $BASE.. | wc -l)
> >> failed=0
> >>
> >> # Useful git options
> >> git config --local diff.renamelimit 0
> >> git config --local diff.renames True
> >>
> >> commits="$(git log --format=%H --reverse $BASE..)"
> >> for c in $commits; do
> >> echo "Checking PATCH $n/$total: $(git log -n 1 --format=%s $c)..."
> >> if ! git show $c --format=email | ./scripts/checkpatch.pl --mailback
> >> -; then
> >> failed=1
> >> echo
> >> fi
> >> n=$((n+1))
> >> done
> >>
> >> exit $failed
> >> === TEST SCRIPT END ===
> >>
> >> Updating 3c8cf5a9c21ff8782164d1def7f44bd888713384
> >> Switched to a new branch 'test'
> >> 7686dc8 throttle: factor out duplicate code
> >> 7568614 fsdev: add IO throttle support to fsdev devices
> >>
> >> === OUTPUT BEGIN ===
> >> Checking PATCH 1/2: fsdev: add IO throttle support to fsdev devices...
> >> Checking PATCH 2/2: throttle: factor out duplicate code...
> >> ERROR: Macros with multiple statements should be enclosed in a do - while
> >> loop
> >
> > I guess your patch is ok here: checkpatch.pl is simply not smart enough to
> > parse this.
> >
> >> #228: FILE: include/qemu/throttle-options.h:13:
> >> +#define THROTTLE_OPTS \
> >> + { \
> >> + .name = "throttling.iops-total",\
> >> + .type = QEMU_OPT_NUMBER,\
> >> + .help = "limit total I/O operations per second",\
> >> + },{ \
> >> + .name = "throttling.iops-read",\
> >> + .type = QEMU_OPT_NUMBER,\
> >> + .help = "limit read operations per second",\
> >> + },{ \
> >> + .name = "throttling.iops-write",\
> >> + .type = QEMU_OPT_NUMBER,\
> >> + .help = "limit write operations per second",\
> >> + },{ \
> >> + .name = "throttling.bps-total",\
> >> + .type = QEMU_OPT_NUMBER,\
> >> + .help = "limit total bytes per second",\
> >> + },{ \
> >> + .name = "throttling.bps-read",\
> >> + .type = QEMU_OPT_NUMBER,\
> >> + .help = "limit read bytes per second",\
> >> + },{ \
> >> + .name = "throttling.bps-write",\
> >> + .type = QEMU_OPT_NUMBER,\
> >> + .help = "limit write bytes per second",\
> >> + },{ \
> >> + .name = "throttling.iops-total-max",\
> >> + .type = QEMU_OPT_NUMBER,\
> >> + .help = "I/O operations burst",\
> >> + },{ \
> >> + .name = "throttling.iops-read-max",\
> >> + .type = QEMU_OPT_NUMBER,\
> >> + .help = "I/O operations read burst",\
> >> + },{ \
> >> + .name = "throttling.iops-write-max",\
> >> + .type = QEMU_OPT_NUMBER,\
> >> + .help = "I/O operations write burst",\
> >> + },{ \
> >> + .name = "throttling.bps-total-max",\
> >> + .type = QEMU_OPT_NUMBER,\
> >> + .help = "total bytes burst",\
> >> + },{ \
> >> + .name = "throttling.bps-read-max",\
> >> + .type = QEMU_OPT_NUMBER,\
> >> + .help = "total bytes read burst",\
> >> + },{ \
> >> + .name = "throttling.bps-write-max",\
> >> + .type = QEMU_OPT_NUMBER,\
> >> + .help = "total bytes write burst",\
> >> + },{ \
> >> + .name = "throttling.iops-total-max-length",\
> >> + .type = QEMU_OPT_NUMBER,\
> >> + .help = "length of the iops-total-max burst period, in
> >> seconds",\
> >> + },{ \
> >> + .name = "throttling.iops-read-max-length",\
> >> + .type = QEMU_OPT_NUMBER,\
> >> + .help = "length of the iops-read-max burst period, in
> >> seconds",\
> >> + },{ \
> >> + .name = "throttling.iops-write-max-length",\
> >> + .type = QEMU_OPT_NUMBER,\
> >> + .help = "length of the iops-write-max burst period, in
> >> seconds",\
> >> + },{ \
> >> + .name = "throttling.bps-total-max-length",\
> >> + .type = QEMU_OPT_NUMBER,\
> >> + .help = "length of the bps-total-max burst period, in
> >> seconds",\
> >> + },{ \
> >> + .name = "throttling.bps-read-max-length",\
> >> + .type = QEMU_OPT_NUMBER,\
> >> + .help = "length of the bps-read-max burst period, in
> >> seconds",\
> >> + },{ \
> >> + .name = "throttling.bps-write-max-length",\
> >> + .type = QEMU_OPT_NUMBER,\
> >> + .help = "length of the bps-write-max burst period, in
> >> seconds",\
> >> + },{ \
> >> + .name = "throttling.iops-size",\
> >> + .type = QEMU_OPT_NUMBER,\
> >> + .help = "when limiting by iops max size of an I/O in bytes",\
> >> + }
> >>
> >> ERROR: Missing Signed-off-by: line(s)
> >>
> >
> > As Eric pointed out in another mail, all patches you send must have your
> > Signed-off-by line.
> >
> >> total: 2 errors, 0 warnings, 278 lines checked
> >>
> >> Your patch has style problems, please review. If any of these errors
> >> are false positives report them to the maintainer, see
> >> CHECKPATCH in MAINTAINERS.
> >>
> >> === OUTPUT END ===
> >>
> >> Test command exited with code: 1
> >>
> >>
> >> ---
> >> Email generated automatically by Patchew [http://patchew.org/].
> >> Please send your feedback to address@hidden
>
- [Qemu-devel] [PATCH 0/2 V13] fsdev: add IO throttle support to fsdev devices, (continued)