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From: Forza <[email protected]>
To: Jens Axboe <[email protected]>, [email protected]
Subject: Re: Stack trace with Samba VFS io_uring and large transfers
Date: Sat, 24 Jul 2021 20:23:36 +0200	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

Hi!

On 2021-07-24 19:04, Jens Axboe wrote:
> I'll see if I can reproduce this. I'm assuming samba is using buffered
> IO, and it looks like it's reading in chunks of 1MB. Hopefully it's
> possible to reproduce without samba with a windows client, as I don't
> have any of those. If synthetic reproducing fails, I can try samba
> with a Linux client.

I attached the logs from both a Windows 10 client and a Linux client 
(kernel 5.11.0).

https://paste.tnonline.net/files/r4yebSzlGEVD_linux-client.txt

   smbd_smb2_read: fnum 2641229669, file 
media/vm/libvirt/images/Mint_Cinnamon.img, length=4194304 
offset=736100352 read=4194304
[2021/07/24 17:26:09.120779,  3] 
../../source3/smbd/smb2_read.c:415(smb2_read_complete)
   smbd_smb2_read: fnum 2641229669, file 
media/vm/libvirt/images/Mint_Cinnamon.img, length=4194304 
offset=740294656 read=4194304
[2021/07/24 17:26:09.226593,  3] 
../../source3/smbd/smb2_read.c:415(smb2_read_complete)
   smbd_smb2_read: fnum 2641229669, file 
media/vm/libvirt/images/Mint_Cinnamon.img, length=4194304 
offset=748683264 read=4194304

  reply	other threads:[~2021-07-24 18:31 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-24 15:46 Stack trace with Samba VFS io_uring and large transfers Forza
2021-07-24 17:04 ` Jens Axboe
2021-07-24 18:23   ` Forza [this message]
2021-07-24 19:44     ` Jens Axboe
2021-07-24 19:51       ` Forza
2021-07-26 16:07         ` Jens Axboe
2021-07-26 16:35           ` Jens Axboe
2021-07-28 10:02             ` Forza
2021-07-28 14:35               ` Jens Axboe
2021-07-28  0:16         ` Stefan Metzmacher
2021-07-28  2:34           ` Jens Axboe
2021-07-28  9:39           ` Forza

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