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Re: [Qemu-devel] [Qemu-block] [PATCH V3] block/nfs: cache allocated file
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From: |
Max Reitz |
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Subject: |
Re: [Qemu-devel] [Qemu-block] [PATCH V3] block/nfs: cache allocated filesize for read-only files |
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Date: |
Sat, 29 Aug 2015 17:24:13 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 |
On 27.08.2015 12:30, Peter Lieven wrote:
> If the file is readonly its not expected to grow so
> save the blocking call to nfs_fstat_async and use
> the value saved at connection time. Also important
> the monitor (and thus the main loop) will not hang
> if block device info is queried and the NFS share
> is unresponsive.
>
> Signed-off-by: Peter Lieven <address@hidden>
> ---
> v1->v2: update cache on reopen_prepare [Max]
> v2->v3: use cache only if cache.direct=off [Max]
>
> block/nfs.c | 36 ++++++++++++++++++++++++++++++++++++
> 1 file changed, 36 insertions(+)
Reviewed-by: Max Reitz <address@hidden>
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