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476b923c32
qemu/include/block
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Eric Blake 476b923c32 nbd: Allow larger requests 
The NBD layer was breaking up request at a limit of 2040 sectors
(just under 1M) to cater to old qemu-nbd. But the server limit
was raised to 32M in commit 2d8214885 to match the kernel, more
than three years ago; and the upstream NBD Protocol is proposing
documentation that without any explicit communication to state
otherwise, a client should be able to safely assume that a 32M
transaction will work.  It is time to rely on the larger sizing,
and any downstream distro that cares about maximum
interoperability to older qemu-nbd servers can just tweak the
value of #define NBD_MAX_SECTORS.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Cc: qemu-stable@nongnu.org
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-07-05 16:46:24 +02:00
..
accounting.h Use scripts/clean-includes to drop redundant qemu/typedefs.h 2016-03-22 22:20:16 +01:00
aio.h Use scripts/clean-includes to drop redundant qemu/typedefs.h 2016-03-22 22:20:16 +01:00
block_int.h block: use safe iteration over AioContext notifiers 2016-06-20 14:25:41 +01:00
block.h block: Make .bdrv_load_vmstate() vectored 2016-06-16 15:19:55 +02:00
blockjob.h blockjob: add AioContext attached callback 2016-06-20 14:25:41 +01:00
dirty-bitmap.h block: Move block dirty bitmap code to separate files 2016-03-14 17:35:05 +01:00
nbd.h nbd: Allow larger requests 2016-07-05 16:46:24 +02:00
qapi.h block/qapi: Use blk_enable_write_cache() 2016-03-30 12:16:02 +02:00
scsi.h typofixes - v4 2015-09-11 10:45:43 +03:00
snapshot.h include: Clean up includes 2016-02-23 12:43:05 +00:00
thread-pool.h block: Rename BlockDriverCompletionFunc to BlockCompletionFunc 2014-10-20 13:41:27 +02:00
throttle-groups.h block: Move I/O throttling configuration functions to BlockBackend 2016-05-19 16:45:30 +02:00
write-threshold.h Use scripts/clean-includes to drop redundant qemu/typedefs.h 2016-03-22 22:20:16 +01:00