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block: Add bdrv_get_request_alignment()
authorEric Blake <[email protected]>
Fri, 29 Mar 2019 04:27:49 +0000 (23:27 -0500)
committerEric Blake <[email protected]>
Mon, 1 Apr 2019 13:46:52 +0000 (08:46 -0500)
commit4841211e0d1628cd386b35835676d7f6f9a4fa9d
tree1b8268090b537c4b264b2ba118b0d114297310a1tree | snapshot
parent9cf638508c0090b33ada4155c7cbb684e08e5ee9commit | diff
block: Add bdrv_get_request_alignment()

The next patch needs access to a device's minimum permitted
alignment, since NBD wants to advertise this to clients. Add
an accessor function, borrowing from blk_get_max_transfer()
for accessing a backend's block limits.

Signed-off-by: Eric Blake <[email protected]>
Reviewed-by: Vladimir Sementsov-Ogievskiy <[email protected]>
Message-Id: <20190329042750[email protected]>
block/block-backend.c diff | blob | blame | history
include/sysemu/block-backend.h diff | blob | blame | history
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