lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Sat, 21 Apr 2012 14:26:43 -0400
From:	Jeff Garzik <>
To:	James Bottomley <>
CC:	Lukas Czerner <>,
	Boaz Harrosh <>,
	Theodore Ts'o <>,,
	Ext4 Developers List <>,
Subject: Re: [PATCH, RFC 0/3] Introduce new O_HOT and O_COLD flags

On 04/20/2012 07:01 AM, James Bottomley wrote:
> The concern I have is that the notion of hot and cold files *isn't*
> propagated to the page cache, it's just shared between the fs and the
> disk.

Bingo -- full-file hint is too coarse-grained for some workloads.  Page 
granularity would propagate to the VM as well as block layer, and give 
the required flexibility to all workloads.  As well as covering the 
full-file case.


To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to
More majordomo info at

Powered by blists - more mailing lists