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Vladimir Sementsov-Ogievskiy 39af49c0d7 block: make BlockLimits::max_pdiscard 64bit 
We are going to support 64 bit discard requests. Now update the
limit variable. It's absolutely safe. The variable is set in some
drivers, and used in bdrv_co_pdiscard().

Update also max_pdiscard variable in bdrv_co_pdiscard(), so that
bdrv_co_pdiscard() is now prepared for 64bit requests. The remaining
logic including num, offset and bytes variables is already
supporting 64bit requests.

So the only thing that prevents 64 bit requests is limiting
max_pdiscard variable to INT_MAX in bdrv_co_pdiscard().
We'll drop this limitation after updating all block drivers.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20210903102807.27127-10-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
 		2021-09-29 13:46:32 -05:00
..
export block/export/fuse.c: fix fuse-lseek on uclibc or musl 2021-09-01 14:38:08 +02:00
monitor block/monitor: Consolidate hmp_handle_error calls to reduce redundant code 2021-09-01 12:57:31 +02:00
accounting.c block/accounting: Use lock guard macros 2020-12-11 17:52:39 +01:00
aio_task.c block: introduce aio task pool 2019-10-10 10:56:17 +02:00
amend.c block/amend: Check whether the node exists 2020-07-27 12:37:25 +02:00
backup.c block/copy-before-write: initialize block-copy bitmap 2021-09-01 14:03:47 +02:00
blkdebug.c block: use int64_t instead of int in driver write_zeroes handlers 2021-09-29 13:46:32 -05:00
blklogwrites.c block: use int64_t instead of int in driver write_zeroes handlers 2021-09-29 13:46:32 -05:00
blkreplay.c block: use int64_t instead of int in driver write_zeroes handlers 2021-09-29 13:46:32 -05:00
blkverify.c block: use int64_t instead of uint64_t in driver write handlers 2021-09-29 13:46:31 -05:00
block-backend.c block: introduce blk_replace_bs 2021-09-01 12:57:31 +02:00
block-copy.c block/block-copy: block_copy_state_new(): drop extra arguments 2021-09-01 14:38:08 +02:00
block-gen.h scripts: add block-coroutine-wrapper.py 2020-10-05 10:59:06 +01:00
bochs.c block: use int64_t instead of uint64_t in driver read handlers 2021-09-29 13:46:31 -05:00
cloop.c block: use int64_t instead of uint64_t in driver read handlers 2021-09-29 13:46:31 -05:00
commit.c block: use int64_t instead of uint64_t in driver read handlers 2021-09-29 13:46:31 -05:00
copy-before-write.c block: use int64_t instead of int in driver write_zeroes handlers 2021-09-29 13:46:32 -05:00
copy-before-write.h block/copy-before-write: bdrv_cbw_append(): drop unused compress arg 2021-09-01 14:03:47 +02:00
copy-on-read.c block: use int64_t instead of int in driver write_zeroes handlers 2021-09-29 13:46:32 -05:00
copy-on-read.h copy-on-read: add filter drop function 2021-01-26 11:26:54 +01:00
coroutines.h block/nbd: reuse nbd_co_do_establish_connection() in nbd_open() 2021-06-18 12:21:22 -05:00
create.c block/create: Do not abort if a block driver is not available 2019-09-13 12:18:37 +02:00
crypto.c block: use int64_t instead of uint64_t in driver write handlers 2021-09-29 13:46:31 -05:00
crypto.h nomaintainer: Fix Lesser GPL version number 2020-11-15 17:04:40 +01:00
curl.c block: use int64_t instead of uint64_t in driver read handlers 2021-09-29 13:46:31 -05:00
dirty-bitmap.c iotests: Improve and rename test 291 to qemu-img-bitmap 2021-07-21 14:14:41 -05:00
dmg-bz2.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
dmg-lzfse.c block: Remove unused include 2020-11-09 15:44:21 +01:00
dmg.c block: use int64_t instead of uint64_t in driver read handlers 2021-09-29 13:46:31 -05:00
dmg.h Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
file-posix.c block: use int64_t instead of int in driver write_zeroes handlers 2021-09-29 13:46:32 -05:00
file-win32.c block: use int64_t instead of uint64_t in driver write handlers 2021-09-29 13:46:31 -05:00
filter-compress.c block: use int64_t instead of int in driver write_zeroes handlers 2021-09-29 13:46:32 -05:00
gluster.c block: use int64_t instead of int in driver write_zeroes handlers 2021-09-29 13:46:32 -05:00
io.c block: make BlockLimits::max_pdiscard 64bit 2021-09-29 13:46:32 -05:00
io_uring.c block/io_uring: resubmit when result is -EAGAIN 2021-07-29 17:14:55 +01:00
iscsi-opts.c modules: add block module annotations 2021-07-09 18:20:27 +02:00
iscsi.c block: use int64_t instead of int in driver write_zeroes handlers 2021-09-29 13:46:32 -05:00
linux-aio.c linux-aio: limit the batch size using `aio-max-batch` parameter 2021-07-21 13:47:50 +01:00
meson.build block: rename backup-top to copy-before-write 2021-09-01 12:57:31 +02:00
mirror.c block: use int64_t instead of int in driver write_zeroes handlers 2021-09-29 13:46:32 -05:00
nbd.c block: use int64_t instead of int in driver write_zeroes handlers 2021-09-29 13:46:32 -05:00
nfs.c block: use int64_t instead of uint64_t in driver write handlers 2021-09-29 13:46:31 -05:00
null.c block: use int64_t instead of uint64_t in driver write handlers 2021-09-29 13:46:31 -05:00
nvme.c block: use int64_t instead of int in driver write_zeroes handlers 2021-09-29 13:46:32 -05:00
parallels-ext.c parallels: support bitmap extension for read-only mode 2021-03-08 14:56:55 +01:00
parallels.c parallels: support bitmap extension for read-only mode 2021-03-08 14:56:55 +01:00
parallels.h parallels: support bitmap extension for read-only mode 2021-03-08 14:56:55 +01:00
preallocate.c block: use int64_t instead of int in driver write_zeroes handlers 2021-09-29 13:46:32 -05:00
progress_meter.c progressmeter: protect with a mutex 2021-06-25 14:24:24 +03:00
qapi-sysemu.c block: Move system emulator QMP commands to block/qapi-sysemu.c 2020-03-06 17:15:38 +01:00
qapi.c block: use GDateTime for formatting timestamp when dumping snapshot info 2021-06-14 13:28:50 +01:00
qcow.c block: use int64_t instead of uint64_t in driver write handlers 2021-09-29 13:46:31 -05:00
qcow2-bitmap.c nbd patches for 2021-03-09 2021-03-11 13:57:08 +00:00
qcow2-cache.c core: replace getpagesize() with qemu_real_host_page_size 2019-10-26 15:38:06 +02:00
qcow2-cluster.c block: use int64_t instead of uint64_t in driver read handlers 2021-09-29 13:46:31 -05:00
qcow2-refcount.c qcow2-refcount: check_refblocks(): add separate message for reserved 2021-09-15 18:42:38 +02:00
qcow2-snapshot.c block: consistently use bdrv_is_read_only() 2021-06-02 14:23:20 +02:00
qcow2-threads.c qcow2: add zstd cluster compression 2020-05-13 14:20:31 +02:00
qcow2.c block: use int64_t instead of int in driver write_zeroes handlers 2021-09-29 13:46:32 -05:00
qcow2.h qcow2-refcount: check_refblocks(): add separate message for reserved 2021-09-15 18:42:38 +02:00
qed-check.c block/qed: add missed coroutine_fn markers 2019-04-30 15:29:00 +02:00
qed-cluster.c qed: protect table cache with CoMutex 2017-07-17 11:34:11 +08:00
qed-l2-cache.c qed: protect table cache with CoMutex 2017-07-17 11:34:11 +08:00
qed-table.c block/qed: add missed coroutine_fn markers 2019-04-30 15:29:00 +02:00
qed.c block: use int64_t instead of int in driver write_zeroes handlers 2021-09-29 13:46:32 -05:00
qed.h qed: Simplify backing reads 2020-07-06 10:34:14 +02:00
quorum.c block: use int64_t instead of int in driver write_zeroes handlers 2021-09-29 13:46:32 -05:00
raw-format.c block: use int64_t instead of int in driver write_zeroes handlers 2021-09-29 13:46:32 -05:00
rbd.c block: use int64_t instead of int in driver write_zeroes handlers 2021-09-29 13:46:32 -05:00
replication.c replication: Remove workaround 2021-07-20 16:11:53 +02:00
snapshot.c block/snapshot: Clarify goto fallback behavior 2021-06-24 09:49:04 +02:00
ssh.c util/uri: do not check argument of uri_free() 2021-07-09 12:26:05 +02:00
stream.c stream: Don't crash when node permission is denied 2021-03-19 10:15:06 +01:00
throttle-groups.c block/throttle-groups: throttle_group_co_io_limits_intercept(): 64bit bytes 2021-02-03 08:14:00 -06:00
throttle.c block: use int64_t instead of int in driver write_zeroes handlers 2021-09-29 13:46:32 -05:00
trace-events block: use int64_t instead of int in driver write_zeroes handlers 2021-09-29 13:46:32 -05:00
trace.h trace: switch position of headers to what Meson requires 2020-08-21 06:18:24 -04:00
vdi.c block: use int64_t instead of uint64_t in driver write handlers 2021-09-29 13:46:31 -05:00
vhdx-endian.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
vhdx-log.c block: consistently use bdrv_is_read_only() 2021-06-02 14:23:20 +02:00
vhdx.c block/vhdx: Support vhdx image only with 512 bytes logical sector size 2020-09-15 11:05:13 +02:00
vhdx.h block/vhdx: Use IEC binary prefixes for size constants 2019-04-30 15:29:00 +02:00
vmdk.c block: use int64_t instead of int in driver write_zeroes handlers 2021-09-29 13:46:32 -05:00
vpc.c block: use int64_t instead of uint64_t in driver write handlers 2021-09-29 13:46:31 -05:00
vvfat.c block: use int64_t instead of uint64_t in driver write handlers 2021-09-29 13:46:31 -05:00
win32-aio.c Include qemu/module.h where needed, drop it from qemu-common.h 2019-06-12 13:18:33 +02:00
write-threshold.c write-threshold: deal with includes 2021-05-14 16:14:10 +02:00