Re: [PATCH v2 0/2] ceph: switch to 4KB block size if quota size is not aligned to 4MB

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On Thu, Jun 30, 2022 at 11:05 AM Xiubo Li <xiubli@xxxxxxxxxx> wrote:
>
>
> On 6/30/22 10:39 AM, Yan, Zheng wrote:
> > NACK,  this change will significantly increase mds load. Inaccuracy is
> > inherent in current quota design.
>
> Yeah, I was also thinking could we just allow the quota size to be
> aligned to 4KB if it < 4MB, or must be aligned to 4MB ?
>
> Any idea ?

make sense

>
> - Xiubo
>
>
> > On Mon, Jun 27, 2022 at 10:06 AM <xiubli@xxxxxxxxxx> wrote:
> >> From: Xiubo Li <xiubli@xxxxxxxxxx>
> >>
> >> V2:
> >> - Switched to IS_ALIGNED() macro
> >> - Added CEPH_4K_BLOCK_SIZE macro
> >> - Rename CEPH_BLOCK to CEPH_BLOCK_SIZE
> >>
> >> Xiubo Li (3):
> >>    ceph: make f_bsize always equal to f_frsize
> >>    ceph: switch to use CEPH_4K_BLOCK_SHIFT macro
> >>    ceph: switch to 4KB block size if quota size is not aligned to 4MB
> >>
> >>   fs/ceph/quota.c | 32 ++++++++++++++++++++------------
> >>   fs/ceph/super.c | 28 ++++++++++++++--------------
> >>   fs/ceph/super.h |  5 +++--
> >>   3 files changed, 37 insertions(+), 28 deletions(-)
> >>
> >> --
> >> 2.36.0.rc1
> >>
>



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