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block: drop empty .bdrv_close handlers

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.bdrv_close handler is optional after previous commit, no needs to keep
empty functions more.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2018-08-14 15:43:20 +03:00 • committed by Kevin Wolf
parent 3c005293c2
commit f66b1f0e27
6 changed files with 0 additions and 32 deletions
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6
block/copy-on-read.c
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@ -45,11 +45,6 @@ static int cor_open(BlockDriverState *bs, QDict *options, int flags,
}
static void cor_close(BlockDriverState *bs)
{
}
#define PERM_PASSTHROUGH (BLK_PERM_CONSISTENT_READ \
| BLK_PERM_WRITE \
| BLK_PERM_RESIZE)
@ -143,7 +138,6 @@ BlockDriver bdrv_copy_on_read = {
.format_name = "copy-on-read",
.bdrv_open = cor_open,
.bdrv_close = cor_close,
.bdrv_child_perm = cor_child_perm,
.bdrv_getlength = cor_getlength,