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(parent: 8ac5aab) | patch
block: introduce BDRV_REQ_NO_WAIT flag
authorVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Wed, 21 Oct 2020 14:58:44 +0000 (17:58 +0300)
committerMax Reitz <mreitz@redhat.com>
Fri, 18 Dec 2020 11:35:55 +0000 (12:35 +0100)
commitd1a764d126aa9bd1b519855607f55daf266b07bf
treea38cf66506446cbde41fe5aefa6f1979ac5901f2tree
parent8ac5aab255d5c55d21bb33f4f6dd6dc58319e512commit | diff
block: introduce BDRV_REQ_NO_WAIT flag

Add flag to make serialising request no wait: if there are conflicting
requests, just return error immediately. It's will be used in upcoming
preallocate filter.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20201021145859.11201-7-vsementsov@virtuozzo.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
block/io.c diff | blob | blame | history
include/block/block.h diff | blob | blame | history
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