haraldwolff/qemu-patch-raspberry4
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Eric Blake b9f7855a50 block: Switch discard length bounds to byte-based 
Sector-based limits are awkward to think about; in our on-going
quest to move to byte-based interfaces, convert max_discard and
discard_alignment.  Rename them, using 'pdiscard' as an aid to
track which remaining discard interfaces need conversion, and so
that the compiler will help us catch the change in semantics
across any rebased code.  The BlockLimits type is now completely
byte-based; and in iscsi.c, sector_limits_lun2qemu() is no
longer needed.

pdiscard_alignment is made unsigned (we use power-of-2 alignments
as bitmasks, where unsigned is easier to think about) while
leaving max_pdiscard signed (since we still have an 'int'
interface); this is comparable to what commit cf081fc did for
write zeroes limits.  We may later want to make everything an
unsigned 64-bit limit - but that requires a bigger code audit.

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 16:46:25 +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: Switch discard length bounds to byte-based 2016-07-05 16:46:25 +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
Makefile.objs replay: introduce block devices record/replay 2016-03-30 12:15:57 +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 coccinelle: Remove unnecessary variables for function return value 2016-06-20 16:38:13 +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