Re: [PATCH] block: reexpand iov_iter after read/write

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: Jens Axboe <axboe@xxxxxxxxx>
Subject: Re: [PATCH] block: reexpand iov_iter after read/write
From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Date: Thu, 6 May 2021 21:08:50 +0000
Cc: Pavel Begunkov <asml.silence@xxxxxxxxx>, yangerkun <yangerkun@xxxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, io-uring@xxxxxxxxxxxxxxx
In-reply-to: <b4fe4a3d-06ab-31e3-e1a2-46c23307b32a@kernel.dk>

On Thu, May 06, 2021 at 01:15:01PM -0600, Jens Axboe wrote:

> Attached output of perf annotate <func> for that last run.

Heh...  I wonder if keeping the value of iocb_flags(file) in
struct file itself would have a visible effect...

Follow-Ups:
- Re: [PATCH] block: reexpand iov_iter after read/write
  - From: Jens Axboe
- Re: [PATCH] block: reexpand iov_iter after read/write
  - From: Matthew Wilcox

References:
- [PATCH] block: reexpand iov_iter after read/write
  - From: yangerkun
- Re: [PATCH] block: reexpand iov_iter after read/write
  - From: Pavel Begunkov
- Re: [PATCH] block: reexpand iov_iter after read/write
  - From: Pavel Begunkov
- Re: [PATCH] block: reexpand iov_iter after read/write
  - From: Pavel Begunkov
- Re: [PATCH] block: reexpand iov_iter after read/write
  - From: yangerkun
- Re: [PATCH] block: reexpand iov_iter after read/write
  - From: Pavel Begunkov
- Re: [PATCH] block: reexpand iov_iter after read/write
  - From: Al Viro
- Re: [PATCH] block: reexpand iov_iter after read/write
  - From: Jens Axboe
- Re: [PATCH] block: reexpand iov_iter after read/write
  - From: Al Viro
- Re: [PATCH] block: reexpand iov_iter after read/write
  - From: Jens Axboe

Prev by Date: Re: [PATCH v2 2/2] xfs: kick extra large ioends to completion workqueue
Next by Date: Re: [PATCH v6 06/10] userfaultfd/shmem: modify shmem_mfill_atomic_pte to use install_pte()
Previous by thread: Re: [PATCH] block: reexpand iov_iter after read/write
Next by thread: Re: [PATCH] block: reexpand iov_iter after read/write
Index(es):
- Date
- Thread

[Index of Archives] [Linux Ext4 Filesystem] [Union Filesystem] [Filesystem Testing] [Ceph Users] [Ecryptfs] [AutoFS] [Kernel Newbies] [Share Photos] [Security] [Netfilter] [Bugtraq] [Yosemite News] [MIPS Linux] [ARM Linux] [Linux Security] [Linux Cachefs] [Reiser Filesystem] [Linux RAID] [Samba] [Device Mapper] [CEPH Development]