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From: | Kevin Wolf |
Subject: | Re: [PATCH] qcow2: Return the original error code in qcow2_co_pwrite_zeroes() |
Date: | Thu, 10 Sep 2020 14:12:48 +0200 |
Am 09.09.2020 um 14:37 hat Alberto Garcia geschrieben: > This function checks the current status of a (sub)cluster in order to > see if an unaligned 'write zeroes' request can be done efficiently by > simply updating the L2 metadata and without having to write actual > zeroes to disk. > > If the situation does not allow using the fast path then the function > returns -ENOTSUP and the caller falls back to writing zeroes. > > If can happen however that the aforementioned check returns an actual > error code so in this case we should pass it to the caller. > > Signed-off-by: Alberto Garcia <berto@igalia.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com>
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