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From: | Alberto Garcia |
Subject: | Re: [Qemu-block] [PATCH 3/9] block: Add BDRV_REQ_WRITE_UNCHANGED flag |
Date: | Fri, 20 Apr 2018 14:06:00 +0200 |
User-agent: | Notmuch/0.18.2 (http://notmuchmail.org) Emacs/24.4.1 (i586-pc-linux-gnu) |
On Mon 16 Apr 2018 06:58:43 PM CEST, Max Reitz wrote: > This flag signifies that a write request will not change the visible > disk content. With this flag set, it is sufficient to have the > BLK_PERM_WRITE_UNCHANGED permission instead of BLK_PERM_WRITE. > > Signed-off-by: Max Reitz <address@hidden> Reviewed-by: Alberto Garcia <address@hidden> Berto
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