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ac132d0520
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Eric Blake ac132d0520 nbd: Replace bool structured_reply with mode enum 
The upcoming patches for 64-bit extensions requires various points in
the protocol to make decisions based on what was negotiated.  While we
could easily add a 'bool extended_headers' alongside the existing
'bool structured_reply', this does not scale well if more modes are
added in the future.  Better is to expose the mode enum added in the
recent commit bfe04d0a7d out to a wider use in the code base.

Where the code previously checked for structured_reply being set or
clear, it now prefers checking for an inequality; this works because
the nodes are in a continuum of increasing abilities, and allows us to
touch fewer places if we ever insert other modes in the middle of the
enum.  There should be no semantic change in this patch.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-ID: <20230829175826.377251-20-eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
2023-09-22 17:19:27 -05:00
..
export block: spelling fixes 2023-09-08 13:08:52 +03:00
monitor meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
accounting.c block: add missed block_acct_setup with new block device init procedure 2022-09-30 18:42:34 +02:00
aio_task.c
amend.c block: Mark BlockDriver callbacks for amend job GRAPH_RDLOCK 2023-05-10 14:16:54 +02:00
backup.c Block layer patches 2023-02-24 15:09:39 +00:00
blkdebug.c blkdebug: add missing coroutine_fn annotation 2023-04-25 13:17:28 +02:00
blkio.c block/blkio: add more comments on the fd passing handling 2023-08-03 11:28:43 -04:00
blklogwrites.c block: Mark bdrv_unref_child() GRAPH_WRLOCK 2023-09-20 17:46:01 +02:00
blkreplay.c block: Mark bdrv_co_refresh_total_sectors() and callers GRAPH_RDLOCK 2023-02-23 19:49:33 +01:00
blkverify.c block: Mark bdrv_unref_child() GRAPH_WRLOCK 2023-09-20 17:46:01 +02:00
block-backend.c Block layer patches 2023-09-21 09:31:28 -04:00
block-copy.c block: spelling fixes 2023-09-08 13:08:52 +03:00
block-gen.h block-coroutine-wrapper.py: support also basic return types 2022-12-15 16:07:43 +01:00
block-ram-registrar.c block: add BlockRAMRegistrar 2022-10-26 14:56:42 -04:00
bochs.c bochs: mark more functions as coroutine_fns and GRAPH_RDLOCK 2023-06-28 09:46:24 +02:00
cloop.c cloop: mark more functions as coroutine_fns and GRAPH_RDLOCK 2023-06-28 09:46:27 +02:00
commit.c blockjob: Adhere to rate limit even when reentered early 2023-05-19 19:12:12 +02:00
copy-before-write.c block: Mark bdrv_child_perm() GRAPH_RDLOCK 2023-09-20 17:46:01 +02:00
copy-before-write.h
copy-on-read.c block: remove has_variable_length from filters 2023-04-11 16:38:56 +02:00
copy-on-read.h
coroutines.h nbd: Mark nbd_co_do_establish_connection() and callers GRAPH_RDLOCK 2023-05-10 14:16:53 +02:00
create.c block: Call .bdrv_co_create(_opts) unlocked 2023-05-19 19:12:12 +02:00
crypto.c block: Mark bdrv_parent_perms_conflict() and callers GRAPH_RDLOCK 2023-09-20 17:46:01 +02:00
crypto.h
curl.c aio: remove aio_disable_external() API 2023-05-30 17:37:26 +02:00
dirty-bitmap.c block: Mark bdrv_*_dirty_bitmap() and callers GRAPH_RDLOCK 2023-02-23 19:49:32 +01:00
dmg-bz2.c
dmg-lzfse.c block/dmg: Ignore C99 prototype declaration mismatch from <lzfse.h> 2023-03-30 15:03:36 +02:00
dmg.c dmg: mark more functions as coroutine_fns and GRAPH_RDLOCK 2023-06-28 09:46:28 +02:00
dmg.h block/dmg: Declare a type definition for DMG uncompress function 2023-04-24 13:53:44 -04:00
file-posix.c Block patches 2023-09-21 09:05:10 -04:00
file-win32.c thread-pool: avoid passing the pool parameter every time 2023-04-25 13:17:28 +02:00
filter-compress.c block: remove has_variable_length from filters 2023-04-11 16:38:56 +02:00
gluster.c cutils: Adjust signature of parse_uint[_full] 2023-06-02 12:27:19 -05:00
graph-lock.c block: Introduce bdrv_schedule_unref() 2023-09-20 17:46:01 +02:00
io_uring.c block/io_uring: convert to blk_io_plug_call() API 2023-06-01 07:34:03 -04:00
io.c block: remove AIOCBInfo->get_aio_context() 2023-09-20 17:46:01 +02:00
iscsi-opts.c
iscsi.c block/iscsi: Document why we use raw malloc() 2023-09-08 17:03:09 +02:00
linux-aio.c block: spelling fixes 2023-09-08 13:08:52 +03:00
meson.build block/meson.build: Restore alphabetical order of files 2023-09-08 17:03:09 +02:00
mirror.c block: Mark bdrv_parent_perms_conflict() and callers GRAPH_RDLOCK 2023-09-20 17:46:01 +02:00
nbd.c nbd: Replace bool structured_reply with mode enum 2023-09-22 17:19:27 -05:00
nfs.c cutils: Adjust signature of parse_uint[_full] 2023-06-02 12:27:19 -05:00
null.c block: Convert bdrv_get_allocated_file_size() to co_wrapper 2023-02-01 16:52:32 +01:00
nvme.c block/nvme: invoke blk_io_plug_call() outside q->lock 2023-07-17 09:17:41 -04:00
parallels-ext.c include/block: Untangle inclusion loops 2023-01-20 07:24:28 +01:00
parallels.c parallels: naive implementation of parallels_co_pwrite_zeroes 2023-09-21 08:49:17 +02:00
parallels.h parallels: collect bitmap of used clusters at open 2023-09-21 08:47:34 +02:00
plug.c block: add blk_io_plug_call() API 2023-06-01 07:34:03 -04:00
preallocate.c preallocate: Don't poll during permission updates 2023-09-20 17:46:00 +02:00
progress_meter.c coroutine: Clean up superfluous inclusion of qemu/lockable.h 2023-01-19 10:18:28 +01:00
qapi-sysemu.c block: Take main AioContext lock when calling bdrv_open() 2023-05-30 17:21:23 +02:00
qapi.c block: Remove unnecessary variable in bdrv_block_device_info 2023-09-08 17:03:09 +02:00
qcow2-bitmap.c qcow2: mark more functions as coroutine_fns and GRAPH_RDLOCK 2023-06-28 09:46:32 +02:00
qcow2-cache.c include/block: Untangle inclusion loops 2023-01-20 07:24:28 +01:00
qcow2-cluster.c block: use bdrv_co_debug_event in coroutine context 2023-06-28 09:46:34 +02:00
qcow2-refcount.c block: spelling fixes 2023-09-08 13:08:52 +03:00
qcow2-snapshot.c qcow2: mark various functions as coroutine_fn and GRAPH_RDLOCK 2023-04-25 13:17:28 +02:00
qcow2-threads.c thread-pool: avoid passing the pool parameter every time 2023-04-25 13:17:28 +02:00
qcow2.c block: add BDRV_BLOCK_COMPRESSED flag for bdrv_block_status() 2023-09-20 17:46:01 +02:00
qcow2.h qcow2: mark more functions as coroutine_fns and GRAPH_RDLOCK 2023-06-28 09:46:32 +02:00
qcow.c block: add BDRV_BLOCK_COMPRESSED flag for bdrv_block_status() 2023-09-20 17:46:01 +02:00
qed-check.c qed: mark more functions as coroutine_fns and GRAPH_RDLOCK 2023-06-28 09:46:20 +02:00
qed-cluster.c
qed-l2-cache.c
qed-table.c block: use bdrv_co_debug_event in coroutine context 2023-06-28 09:46:34 +02:00
qed.c block: use bdrv_co_debug_event in coroutine context 2023-06-28 09:46:34 +02:00
qed.h block: Mark public read/write functions GRAPH_RDLOCK 2023-02-23 19:49:17 +01:00
quorum.c block: Mark bdrv_add/del_child() and caller GRAPH_WRLOCK 2023-09-20 17:46:01 +02:00
raw-format.c block: use bdrv_co_debug_event in coroutine context 2023-06-28 09:46:34 +02:00
rbd.c block/rbd: Add support for layered encryption 2023-02-23 19:49:35 +01:00
replication.c block: Mark bdrv_unref_child() GRAPH_WRLOCK 2023-09-20 17:46:01 +02:00
reqlist.c
snapshot-access.c block: Make more BlockDriver definitions static 2023-09-08 17:03:09 +02:00
snapshot.c block: Mark bdrv_unref_child() GRAPH_WRLOCK 2023-09-20 17:46:01 +02:00
ssh.c aio: remove aio_disable_external() API 2023-05-30 17:37:26 +02:00
stream.c block: Mark bdrv_attach_child_common() GRAPH_WRLOCK 2023-09-20 17:46:01 +02:00
throttle-groups.c block/throttle-groups: Use ThrottleDirection instread of bool is_write 2023-08-29 10:49:24 +02:00
throttle.c block/throttle-groups: Use ThrottleDirection instread of bool is_write 2023-08-29 10:49:24 +02:00
trace-events block/io_uring: convert to blk_io_plug_call() API 2023-06-01 07:34:03 -04:00
trace.h
vdi.c block: Call .bdrv_co_create(_opts) unlocked 2023-05-19 19:12:12 +02:00
vhdx-endian.c
vhdx-log.c vhdx: mark more functions as coroutine_fns and GRAPH_RDLOCK 2023-06-28 09:46:30 +02:00
vhdx.c block: spelling fixes 2023-09-08 13:08:52 +03:00
vhdx.h block: spelling fixes 2023-09-08 13:08:52 +03:00
vmdk.c block: add BDRV_BLOCK_COMPRESSED flag for bdrv_block_status() 2023-09-20 17:46:01 +02:00
vpc.c block/vpc: Avoid dynamic stack allocation 2023-09-08 17:03:09 +02:00
vvfat.c vvfat: mark various functions as coroutine_fn 2023-04-25 13:17:28 +02:00
win32-aio.c aio: remove aio_disable_external() API 2023-05-30 17:37:26 +02:00
write-threshold.c include/block: Untangle inclusion loops 2023-01-20 07:24:28 +01:00