Re: [RFC PATCH] vfs: dodge strlen() in vfs_readlink() when ->i_link is populated

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

To: Mateusz Guzik <mjguzik@xxxxxxxxx>
Subject: Re: [RFC PATCH] vfs: dodge strlen() in vfs_readlink() when ->i_link is populated
From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Date: Mon, 18 Nov 2024 15:44:18 +0000
Cc: Jan Kara <jack@xxxxxxx>, brauner@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx
In-reply-to: <CAGudoHECQkQQrcHuWkP2badRP6eXequEiBD2=VTcMfd_Tfj+rA@mail.gmail.com>

On Mon, Nov 18, 2024 at 03:51:34PM +0100, Mateusz Guzik wrote:

> This is only 1.5% because of other weird slowdowns which don't need to
> be there, notably putname using atomics. If the other crap was already
> fixed it would be closer to 5%.

Describe your plans re putname(), please.  Because we are pretty much
certain to step on each other's toes here in the coming cycle.

Follow-Ups:
- Re: [RFC PATCH] vfs: dodge strlen() in vfs_readlink() when ->i_link is populated
  - From: Mateusz Guzik

References:
- [RFC PATCH] vfs: dodge strlen() in vfs_readlink() when ->i_link is populated
  - From: Mateusz Guzik
- Re: [RFC PATCH] vfs: dodge strlen() in vfs_readlink() when ->i_link is populated
  - From: Jan Kara
- Re: [RFC PATCH] vfs: dodge strlen() in vfs_readlink() when ->i_link is populated
  - From: Mateusz Guzik
- Re: [RFC PATCH] vfs: dodge strlen() in vfs_readlink() when ->i_link is populated
  - From: Jan Kara
- Re: [RFC PATCH] vfs: dodge strlen() in vfs_readlink() when ->i_link is populated
  - From: Mateusz Guzik

Prev by Date: Re: [RFC PATCH] vfs: dodge strlen() in vfs_readlink() when ->i_link is populated
Next by Date: Re: [PATCH v4 23/33] afs: Use netfslib for directories
Previous by thread: Re: [RFC PATCH] vfs: dodge strlen() in vfs_readlink() when ->i_link is populated
Next by thread: Re: [RFC PATCH] vfs: dodge strlen() in vfs_readlink() when ->i_link is populated
Index(es):
- Date
- Thread

[Index of Archives] [Linux Ext4 Filesystem] [Union Filesystem] [Filesystem Testing] [Ceph Users] [Ecryptfs] [NTFS 3] [AutoFS] [Kernel Newbies] [Share Photos] [Security] [Netfilter] [Bugtraq] [Yosemite News] [MIPS Linux] [ARM Linux] [Linux Security] [Linux Cachefs] [Reiser Filesystem] [Linux RAID] [NTFS 3] [Samba] [Device Mapper] [CEPH Development]