Re: [RFC PATCH V4 00/13] Btrfs: Pre subpagesize-blocksize cleanups

[Chandan Rajendra <chandan@linux.vnet.ibm.com>]

On Wednesday 30 Sep 2015 15:48:16 Chandan Rajendra wrote:
> The patches posted along with this cover letter are cleanups made
> during the developement of subpagesize-blocksize patchset. I believe
> that they can be integrated with the mainline kernel. Hence I have
> posted them separately from the subpagesize-blocksize patchset.
> 
> I have testsed the patchset by running xfstests on ppc64 and
> x86_64. On ppc64, some of the Btrfs specific tests and generic/255
> fail because they assume 4K as the filesystem's block size. I have
> fixed some of the test cases. I will fix the rest and mail them to the
> fstests mailing list in the near future.
> 
> Changes from V3:
> Two new issues have been been fixed by the patches,
> 1. Btrfs: prepare_pages: Retry adding a page to the page cache.
> 2. Btrfs: Return valid delalloc range when the page does not have
>    PG_Dirty flag set or has been invalidated.
> IMHO, The above issues are also applicable to the "page size == block
> size" scenario but for reasons unknown to me they aren't seen even
> when the tests are run for a long time.
> 

I accidently added the RFC tag to the patchset. Please ignore the V4
patchset. I will post the V5 without the RFC tag.

-- 
chandan