Re: [PATCH v3 1/2] block: skip elevator data initialization for flush requests

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

 



Hello,

On Fri, Feb 04, 2011 at 10:04:57AM -0500, Vivek Goyal wrote:
> > The rationale behind suggesting was that it indicates to the allocator
> > that the request may be sorted as how the request will be used is
> > communicated using @rw_flags to the allocator.  The patch is buggy
> > that the flag actually ends up on the request.  Any better idea how to
> > communicate it?
> 
> Though you did not like the V1 of patch, personally I also liked just parsing
> FLUSH or FUA flag in get_request().
> 
> Or how about intoducing a helper function blk_rq_should_init_elevator() 
> or something like that and this function will parse FLUSH, FUA flags.

I suppose it's Jens' call, but if the FLUSH/FUA testing goes inside
the alloc function, please decorate with big fat comment and mention
it in the comment for the union definition too.

Thank you.

-- 
tejun
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Reiser Filesystem Development]     [Ceph FS]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux FS]     [Yosemite National Park]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Device Mapper]     [Linux Media]

  Powered by Linux