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qemu-e2k/block
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Eric Blake d9e0dfa246 block: Split bdrv_merge_limits() from bdrv_refresh_limits() 
During bdrv_merge_limits(), we were computing initial limits
based on another BDS in two places.  At first glance, the two
computations are not identical (one is doing straight copying,
the other is doing merging towards or away from zero) - but
when you realize that the first round is starting with all-0
memory, all of the merging happens to work.  Factoring out the
merging makes it easier to track how two BDS limits are merged,
in case we have future reasons to merge in even more limits.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
 		2016-07-05 16:46:26 +02:00
..
Makefile.objs replay: introduce block devices record/replay 2016-03-30 12:15:57 +02:00
accounting.c block: Clean up includes 2016-01-20 13:36:23 +01:00
archipelago.c coccinelle: Remove unnecessary variables for function return value 2016-06-20 16:38:13 +02:00
backup.c blockjob: assert(cb) when create job 2016-06-28 23:08:13 -04:00
blkdebug.c blkdebug: Set request_alignment during .bdrv_refresh_limits() 2016-07-05 16:46:25 +02:00
blkreplay.c blkreplay: Convert to bdrv_co_pwrite_zeroes() 2016-06-08 10:21:08 +02:00
blkverify.c block: Propagate AioContext change to all children 2016-05-19 16:45:31 +02:00
block-backend.c block: Switch transfer length bounds to byte-based 2016-07-05 16:46:25 +02:00
bochs.c block: Set request_alignment during .bdrv_refresh_limits() 2016-07-05 16:46:25 +02:00
cloop.c block: Set request_alignment during .bdrv_refresh_limits() 2016-07-05 16:46:25 +02:00
commit.c block: Create the commit block job before reopening any image 2016-06-16 15:20:37 +02:00
crypto.c Block layer patches 2016-05-12 16:33:40 +01:00
curl.c block: always compile-check debug prints 2016-05-12 15:22:08 +02:00
dirty-bitmap.c include/qemu/osdep.h: Don't include qapi/error.h 2016-03-22 22:20:15 +01:00
dmg.c block: Set request_alignment during .bdrv_refresh_limits() 2016-07-05 16:46:25 +02:00
gluster.c block/gluster: add support for selecting debug logging level 2016-06-28 22:52:45 -04:00
io.c block: Split bdrv_merge_limits() from bdrv_refresh_limits() 2016-07-05 16:46:26 +02:00
iscsi.c block: Switch discard length bounds to byte-based 2016-07-05 16:46:25 +02:00
linux-aio.c linux-aio: Cancel BH if not needed 2016-06-16 15:19:55 +02:00
mirror.c mirror: fix misleading comments 2016-06-28 23:08:25 -04:00
nbd-client.c nbd: Allow larger requests 2016-07-05 16:46:24 +02:00
nbd-client.h nbd: Simplify client FUA handling 2016-05-12 15:22:09 +02:00
nbd.c block: Switch discard length bounds to byte-based 2016-07-05 16:46:25 +02:00
nfs.c block/nfs: add support for libnfs pagecache 2016-06-28 22:52:45 -04:00
null.c block/null: Implement bdrv_refresh_filename() 2016-06-16 15:20:37 +02:00
parallels.c block: Switch bdrv_write_zeroes() to byte interface 2016-06-08 10:21:08 +02:00
qapi.c block: Don't return throttling info in query-named-block-nodes 2016-05-19 16:45:31 +02:00
qcow.c block: drop support for using qcow[2] encryption with system emulators 2016-06-16 15:19:55 +02:00
qcow2-cache.c os-posix: include sys/mman.h 2016-06-16 18:39:03 +02:00
qcow2-cluster.c coccinelle: Remove unnecessary variables for function return value 2016-06-20 16:38:13 +02:00
qcow2-refcount.c coccinelle: Remove unnecessary variables for function return value 2016-06-20 16:38:13 +02:00
qcow2-snapshot.c qemu-common: stop including qemu/bswap.h from qemu-common.h 2016-05-19 16:42:28 +02:00
qcow2.c qcow2: Set request_alignment during .bdrv_refresh_limits() 2016-07-05 16:46:25 +02:00
qcow2.h qcow2: Implement .bdrv_co_pwritev() 2016-06-16 15:19:55 +02:00
qed-check.c qed: Use DIV_ROUND_UP 2016-06-07 18:19:24 +03:00
qed-cluster.c block: Clean up includes 2016-01-20 13:36:23 +01:00
qed-gencb.c block: Clean up includes 2016-01-20 13:36:23 +01:00
qed-l2-cache.c block: Clean up includes 2016-01-20 13:36:23 +01:00
qed-table.c qemu-common: stop including qemu/bswap.h from qemu-common.h 2016-05-19 16:42:28 +02:00
qed.c qed: Convert to bdrv_co_pwrite_zeroes() 2016-06-08 10:21:08 +02:00
qed.h util: move declarations out of qemu-common.h 2016-03-22 22:20:17 +01:00
quorum.c error: Remove NULL checks on error_propagate() calls 2016-06-20 16:38:13 +02:00
raw-aio.h raw-posix: Implement .bdrv_co_preadv/pwritev 2016-06-16 15:19:55 +02:00
raw-posix.c block: Switch transfer length bounds to byte-based 2016-07-05 16:46:25 +02:00
raw-win32.c raw-win32: Set request_alignment during .bdrv_refresh_limits() 2016-07-05 16:46:25 +02:00
raw_bsd.c block: Drop raw_refresh_limits() 2016-07-05 16:46:25 +02:00
rbd.c coccinelle: Remove unnecessary variables for function return value 2016-06-20 16:38:13 +02:00
sheepdog.c block: Make .bdrv_load_vmstate() vectored 2016-06-16 15:19:55 +02:00
snapshot.c error: Remove NULL checks on error_propagate() calls 2016-06-20 16:38:13 +02:00
ssh.c include/qemu/osdep.h: Don't include qapi/error.h 2016-03-22 22:20:15 +01:00
stream.c stream: Use BlockBackend for I/O 2016-05-25 19:04:21 +02:00
throttle-groups.c block: Move I/O throttling configuration functions to BlockBackend 2016-05-19 16:45:30 +02:00
trace-events trace: split out trace events for block/ directory 2016-06-20 17:22:14 +01:00
vdi.c qemu-common: stop including qemu/bswap.h from qemu-common.h 2016-05-19 16:42:28 +02:00
vhdx-endian.c qemu-common: stop including qemu/bswap.h from qemu-common.h 2016-05-19 16:42:28 +02:00
vhdx-log.c qemu-common: stop including qemu/bswap.h from qemu-common.h 2016-05-19 16:42:28 +02:00
vhdx.c all: Remove unnecessary glib.h includes 2016-06-07 18:19:24 +03:00
vhdx.h block: vhdx - update PAYLOAD_BLOCK_UNMAPPED value to match 1.00 spec 2014-12-12 15:42:22 +00:00
vmdk.c coccinelle: Remove unnecessary variables for function return value 2016-06-20 16:38:13 +02:00
vpc.c qemu-common: stop including qemu/bswap.h from qemu-common.h 2016-05-19 16:42:28 +02:00
vvfat.c block: Set request_alignment during .bdrv_refresh_limits() 2016-07-05 16:46:25 +02:00
win32-aio.c block: Clean up includes 2016-01-20 13:36:23 +01:00
write-threshold.c block: Clean up includes 2016-01-20 13:36:23 +01:00