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Re: [Qemu-devel] [PATCH 2/2] sheepdog: refine discard support
From: |
Vasiliy Tolstov |
Subject: |
Re: [Qemu-devel] [PATCH 2/2] sheepdog: refine discard support |
Date: |
Wed, 2 Sep 2015 15:36:46 +0300 |
2015-09-01 6:03 GMT+03:00 Hitoshi Mitake <address@hidden>:
> This patch refines discard support of the sheepdog driver. The
> existing discard mechanism was implemented on SD_OP_DISCARD_OBJ, which
> was introduced before fine grained reference counting on newer
> sheepdog. It doesn't care about relations of snapshots and clones and
> discards objects unconditionally.
>
> With this patch, the driver just updates an inode object for updating
> reference. Removing the object is done in sheep process side.
>
> Cc: Teruaki Ishizaki <address@hidden>
> Cc: Vasiliy Tolstov <address@hidden>
> Cc: Jeff Cody <address@hidden>
> Signed-off-by: Hitoshi Mitake <address@hidden>
I'm test this patch and now discard working properly and no errors in
sheepdog log file.
Tested-by: Vasiliy Tolstov <address@hidden>
--
Vasiliy Tolstov,
e-mail: address@hidden
- Re: [Qemu-devel] [PATCH 2/2] sheepdog: refine discard support,
Vasiliy Tolstov <=