[lkml]   [2011]   [Jan]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 3/3] ext4: Deprecate barrier= and nobarrier mount options

On Tue, Jan 25, 2011 at 11:23:29PM -0800, Darrick J. Wong wrote:
> As part of migrating the FLUSH/FUA knob to the block layer, remove the support
> code for the barrier-related mount options and remove the conditionals around
> flushes in favor of always issuing the flush. The block layer will handle
> gracefully the situation where a FLUSH or FUA request is issued to a device
> that doesn't support it. Modify the option parsing code to print a warning if
> someone tries to use the old mount option.
> Note: The nobarrier bit in the default mount flags is now useless.

The option is something which users are already quite familiar with.
I think we'll just have to carry this around. What we can do, tho, is
moving the actual control mechanism to block layer -
ie. blkdev_skip_flush() or something like that which ignores flush
requests for the current exclusive opener.



 \ /
  Last update: 2011-01-26 10:39    [W:0.155 / U:30.312 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site