From: Paolo Bonzini <pbonzini@redhat.com>
To: Halil Pasic <pasic@linux.ibm.com>
Cc: Kevin Wolf <kwolf@redhat.com>,
"open list:AIO" <linux-aio@kvack.org>,
qemu-block@nongnu.org, qemu-devel@nongnu.org,
Max Reitz <mreitz@redhat.com>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Benjamin LaHaise <bcrl@kvack.org>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Jan Hoeppner <Jan.Hoeppner@de.ibm.com>,
Stefan Haberland <sth@linux.ibm.com>
Subject: Re: [PULL 18/28] file-posix: try BLKSECTGET on block devices too, do not round to power of 2
Date: Thu, 23 Sep 2021 15:02:48 +0200 [thread overview]
Message-ID: <5a2903de-0117-373a-90b5-484e6f86b9f5@redhat.com> (raw)
In-Reply-To: <20210923141314.352fbf75.pasic@linux.ibm.com>
On 23/09/21 14:13, Halil Pasic wrote:
> On Thu, 23 Sep 2021 12:57:38 +0200
> Paolo Bonzini <pbonzini@redhat.com> wrote:
>
>> On 22/09/21 21:51, Halil Pasic wrote:
>>> We have figured out what is going on here. The problem seems to be
>>> specific to linux aio, which seems to limit the size of the iovec to
>>> 1024 (UIO_MAXIOV).
>>
>> Hi Halil,
>>
>> I'll send a patch shortly to fix this issue. Sorry about the delay as I
>> was busy with KVM Forum and all that. :(
>
> Hi Paolo!
>
> With some guidance I could cook up a patch myself. But if you prefer to
> do it yourself, I will be glad to test the fix (please put me on cc).
> Thanks!
NP, the patch already existed but I was busy and didn't send it out.
Paolo
next prev parent reply other threads:[~2021-09-23 13:05 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-25 14:17 [PULL v2 00/28] Misc (including block file-posix) for 2021-06-23 Paolo Bonzini
2021-06-25 14:17 ` [PULL 01/28] target/i386: kvm: add support for TSC scaling Paolo Bonzini
2021-06-25 14:17 ` [PULL 02/28] meson: drop unused CONFIG_GCRYPT_HMAC Paolo Bonzini
2021-06-25 14:17 ` [PULL 03/28] configure: drop unused variables for xts Paolo Bonzini
2021-06-25 14:17 ` [PULL 04/28] meson: remove preadv from summary Paolo Bonzini
2021-06-25 14:17 ` [PULL 05/28] tests: remove QCRYPTO_HAVE_TLS_TEST_SUPPORT Paolo Bonzini
2021-06-25 14:18 ` [PULL 06/28] configure, meson: convert crypto detection to meson Paolo Bonzini
2021-06-25 14:18 ` [PULL 07/28] configure, meson: convert libtasn1 " Paolo Bonzini
2021-06-25 14:18 ` [PULL 08/28] configure, meson: convert pam " Paolo Bonzini
2021-06-25 14:18 ` [PULL 09/28] configure, meson: convert libusb " Paolo Bonzini
2021-06-25 14:18 ` [PULL 10/28] configure, meson: convert libcacard " Paolo Bonzini
2021-06-25 14:18 ` [PULL 11/28] configure, meson: convert libusbredir " Paolo Bonzini
2021-06-25 14:18 ` [PULL 12/28] KVM: Fix dirty ring mmap incorrect size due to renaming accident Paolo Bonzini
2021-06-25 14:18 ` [PULL 13/28] file-posix: fix max_iov for /dev/sg devices Paolo Bonzini
2021-06-25 14:18 ` [PULL 14/28] scsi-generic: pass max_segments via max_iov field in BlockLimits Paolo Bonzini
2021-06-25 14:18 ` [PULL 15/28] osdep: provide ROUND_DOWN macro Paolo Bonzini
2021-06-29 4:12 ` Philippe Mathieu-Daudé
2021-06-25 14:18 ` [PULL 16/28] block-backend: align max_transfer to request alignment Paolo Bonzini
2021-06-25 14:18 ` [PULL 17/28] block: add max_hw_transfer to BlockLimits Paolo Bonzini
2021-06-25 14:18 ` [PULL 18/28] file-posix: try BLKSECTGET on block devices too, do not round to power of 2 Paolo Bonzini
2021-09-06 14:24 ` Halil Pasic
2021-09-22 19:51 ` Halil Pasic
2021-09-23 9:18 ` Recent qemu patch results in aio failures with host DASD disks resulting in guest I/O errors Christian Borntraeger
2021-09-23 10:57 ` [PULL 18/28] file-posix: try BLKSECTGET on block devices too, do not round to power of 2 Paolo Bonzini
2021-09-23 12:13 ` Halil Pasic
2021-09-23 13:02 ` Paolo Bonzini [this message]
2021-06-25 14:18 ` [PULL 19/28] block: feature detection for host block support Paolo Bonzini
2021-06-25 14:18 ` [PULL 20/28] block: check for sys/disk.h Paolo Bonzini
2021-06-25 14:18 ` [PULL 21/28] block: try BSD disk size ioctls one after another Paolo Bonzini
2021-06-25 14:18 ` [PULL 22/28] block: detect DKIOCGETBLOCKCOUNT/SIZE before use Paolo Bonzini
2021-06-25 14:18 ` [PULL 23/28] file-posix: handle EINTR during ioctl Paolo Bonzini
2021-06-25 14:18 ` [PULL 24/28] machine: move dies from X86MachineState to CpuTopology Paolo Bonzini
2021-06-25 14:18 ` [PULL 25/28] machine: move common smp_parse code to caller Paolo Bonzini
2021-06-25 14:18 ` [PULL 26/28] machine: add error propagation to mc->smp_parse Paolo Bonzini
2021-06-25 14:18 ` [PULL 27/28] machine: pass QAPI struct " Paolo Bonzini
2021-06-25 14:18 ` [PULL 28/28] machine: reject -smp dies!=1 for non-PC machines Paolo Bonzini
2021-06-29 8:37 ` [PULL v2 00/28] Misc (including block file-posix) for 2021-06-23 Peter Maydell
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