Re: [PATCH 0/4] cleancache: remove limit on the number of cleancache enabled filesystems

[Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>]

On Sun, Feb 22, 2015 at 09:31:51PM +0300, Vladimir Davydov wrote:
> Hi,
> 
> Currently, maximal number of cleancache enabled filesystems equals 32,
> which is insufficient nowadays, because a Linux host can have hundreds
> of containers on board, each of which might want its own filesystem.
> This patch set targets at removing this limitation - see patch 4 for
> more details. Patches 1-3 prepare the code for this change.

Hey Vladimir,

Thank you for posting these patches. I was wondering if you had
run through some of the different combinations that you can
load the filesystems/tmem drivers in random order? The #4 patch
deleted a nice chunk of documentation that outlines the different
combinations.

Thank you!
> 
> Thanks,
> 
> Vladimir Davydov (4):
>   ocfs2: copy fs uuid to superblock
>   cleancache: zap uuid arg of cleancache_init_shared_fs
>   cleancache: forbid overriding cleancache_ops
>   cleancache: remove limit on the number of cleancache enabled
>     filesystems
> 
>  Documentation/vm/cleancache.txt |    4 +-
>  drivers/xen/tmem.c              |   16 ++-
>  fs/ocfs2/super.c                |    4 +-
>  fs/super.c                      |    2 +-
>  include/linux/cleancache.h      |   13 +-
>  mm/cleancache.c                 |  270 +++++++++++----------------------------
>  6 files changed, 94 insertions(+), 215 deletions(-)
> 
> -- 
> 1.7.10.4
> 

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