From: Paolo Bonzini <pbonzini@redhat.com>
To: Peter Lieven <pl@kamp.de>
Cc: kwolf@redhat.com, ronniesahlberg@gmail.com,
qemu-devel@nongnu.org, stefanha@redhat.com
Subject: Re: [Qemu-devel] [PATCH v3 05/19] block: handle ENOTSUP from discard in generic code
Date: Mon, 25 Nov 2013 11:16:06 +0100 [thread overview]
Message-ID: <52932366.2060500@redhat.com> (raw)
In-Reply-To: <5293213F.30502@kamp.de>
Il 25/11/2013 11:06, Peter Lieven ha scritto:
> wouldn't it make sense to return -ENOTSUP in other drivers a well if the
> operation is not supported and not return 0?
Yes; patches are welcome. :)
(I have a patch for block/iscsi.c that handles LBPU=1/LBPWS=0, and one
of the things it does is "return 0" -> "return -ENOTSUP" for consistency
between iscsi_co_discard and iscsi_co_write_zeroes).
Paolo
next prev parent reply other threads:[~2013-11-25 10:16 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-22 12:39 [Qemu-devel] [PATCH v3 00/19] block & scsi: write_zeroes support through the whole stack Paolo Bonzini
2013-11-22 12:39 ` [Qemu-devel] [PATCH v3 01/19] block: generalize BlockLimits handling to cover bdrv_aio_discard too Paolo Bonzini
2013-11-25 9:09 ` Peter Lieven
2013-11-22 12:39 ` [Qemu-devel] [PATCH v3 02/19] block: add flags to BlockRequest Paolo Bonzini
2013-11-25 9:11 ` Peter Lieven
2013-11-22 12:39 ` [Qemu-devel] [PATCH v3 03/19] block: add flags argument to bdrv_co_write_zeroes tracepoint Paolo Bonzini
2013-11-25 9:12 ` Peter Lieven
2013-11-22 12:39 ` [Qemu-devel] [PATCH v3 04/19] block: add bdrv_aio_write_zeroes Paolo Bonzini
2013-11-25 9:13 ` Peter Lieven
2013-11-22 12:39 ` [Qemu-devel] [PATCH v3 05/19] block: handle ENOTSUP from discard in generic code Paolo Bonzini
2013-11-25 10:06 ` Peter Lieven
2013-11-25 10:16 ` Paolo Bonzini [this message]
2013-11-22 12:39 ` [Qemu-devel] [PATCH v3 06/19] block: make bdrv_co_do_write_zeroes stricter in producing aligned requests Paolo Bonzini
2013-11-25 10:23 ` Peter Lieven
2013-11-22 12:39 ` [Qemu-devel] [PATCH v3 07/19] vpc, vhdx: add get_info Paolo Bonzini
2013-11-25 10:27 ` Peter Lieven
2013-11-22 12:39 ` [Qemu-devel] [PATCH v3 08/19] block drivers: add discard/write_zeroes properties to bdrv_get_info implementation Paolo Bonzini
2013-11-25 10:29 ` Peter Lieven
2013-12-03 15:09 ` Kevin Wolf
2013-12-03 15:21 ` Paolo Bonzini
2013-12-03 17:10 ` Peter Lieven
2013-11-22 12:39 ` [Qemu-devel] [PATCH v3 09/19] block drivers: expose requirement for write same alignment from formats Paolo Bonzini
2013-11-25 10:33 ` Peter Lieven
2013-11-22 12:39 ` [Qemu-devel] [PATCH v3 10/19] block/iscsi: remove .bdrv_has_zero_init Paolo Bonzini
2013-11-22 12:39 ` [Qemu-devel] [PATCH v3 11/19] block/iscsi: updated copyright Paolo Bonzini
2013-11-22 12:39 ` [Qemu-devel] [PATCH v3 12/19] block/iscsi: check WRITE SAME support differently depending on MAY_UNMAP Paolo Bonzini
2013-11-25 10:34 ` Peter Lieven
2013-11-25 10:42 ` Paolo Bonzini
2013-11-22 12:39 ` [Qemu-devel] [PATCH v3 13/19] raw-posix: implement write_zeroes with MAY_UNMAP for files Paolo Bonzini
2013-11-22 12:39 ` [Qemu-devel] [PATCH v3 14/19] raw-posix: implement write_zeroes with MAY_UNMAP for block devices Paolo Bonzini
2013-11-22 12:39 ` [Qemu-devel] [PATCH v3 15/19] raw-posix: add support for write_zeroes on XFS and " Paolo Bonzini
2013-11-22 12:39 ` [Qemu-devel] [PATCH v3 16/19] qemu-iotests: 033 is fast Paolo Bonzini
2013-11-22 12:39 ` [Qemu-devel] [PATCH v3 17/19] scsi-disk: catch write protection errors in UNMAP Paolo Bonzini
2013-11-22 12:40 ` [Qemu-devel] [PATCH v3 18/19] scsi-disk: reject ANCHOR=1 for UNMAP and WRITE SAME commands Paolo Bonzini
2013-11-22 12:40 ` [Qemu-devel] [PATCH v3 19/19] scsi-disk: correctly implement WRITE SAME Paolo Bonzini
2013-12-03 14:29 ` [Qemu-devel] [PATCH v3 00/19] block & scsi: write_zeroes support through the whole stack Stefan Hajnoczi
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