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block/cor: Drop cor_co_truncate() 

No other filter driver has a .bdrv_co_truncate() implementation, and
there is no need to because the general block layer code can handle it
just as well.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190918095144.955-3-mreitz@redhat.com
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Max Reitz 2019-09-18 11:51:38 +02:00
parent 6b7e8f8b1c
commit bb8160eb78
1 changed files with 0 additions and 8 deletions
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8
block/copy-on-read.c
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@ -73,13 +73,6 @@ static int64_t cor_getlength(BlockDriverState *bs)
}
static int coroutine_fn cor_co_truncate(BlockDriverState *bs, int64_t offset,
PreallocMode prealloc, Error **errp)
{
return bdrv_co_truncate(bs->file, offset, prealloc, errp);
}
static int coroutine_fn cor_co_preadv(BlockDriverState *bs,
uint64_t offset, uint64_t bytes,
QEMUIOVector *qiov, int flags)
@ -139,7 +132,6 @@ static BlockDriver bdrv_copy_on_read = {
.bdrv_child_perm = cor_child_perm,
.bdrv_getlength = cor_getlength,
.bdrv_co_truncate = cor_co_truncate,
.bdrv_co_preadv = cor_co_preadv,
.bdrv_co_pwritev = cor_co_pwritev,