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authorEric Blake2020-04-28 22:29:00 +0200
committerKevin Wolf2020-05-08 13:26:35 +0200
commit2f98910d5b89733b1a5df06c6d2a7056da32a7b7 (patch)
tree0180454d051879f62437a25eaf286049b338d8f0 /backends/hostmem.c
parentnfs: Support BDRV_REQ_ZERO_WRITE for truncate (diff)
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rbd: Support BDRV_REQ_ZERO_WRITE for truncate
Our .bdrv_has_zero_init_truncate always returns 1 because rbd always 0-fills; we can use that same knowledge to implement BDRV_REQ_ZERO_WRITE by ignoring it. Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <20200428202905.770727-5-eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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