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50a47257f8
qemu/block
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John Snow 50a47257f8 block/dirty-bitmaps: rename frozen predicate helper 
"Frozen" was a good description a long time ago, but it isn't adequate now.
Rename the frozen predicate to has_successor to make the semantics of the
predicate more clear to outside callers.

In the process, remove some calls to frozen() that no longer semantically
make sense. For bdrv_enable_dirty_bitmap_locked and
bdrv_disable_dirty_bitmap_locked, it doesn't make sense to prohibit QEMU
internals from performing this action when we only wished to prohibit QMP
users from issuing these commands. All of the QMP API commands for bitmap
manipulation already check against user_locked() to prohibit these actions.

Several other assertions really want to check that the bitmap isn't in-use
by another operation -- use the bitmap_user_locked function for this instead,
which presently also checks for has_successor. This leaves some redundant
checks of has_successor through different helpers that are addressed in
forthcoming patches.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-id: 20190223000614.13894-3-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2019-03-12 12:05:48 -04:00
..
accounting.c block/accounting: introduce latency histogram 2018-03-19 14:58:37 -05:00
backup.c block/backup: use qemu_iovec_init_buf 2019-02-22 09:42:13 +00:00
blkdebug.c block: Purify .bdrv_refresh_filename() 2019-02-25 15:11:27 +01:00
blklogwrites.c block: Purify .bdrv_refresh_filename() 2019-02-25 15:11:27 +01:00
blkreplay.c trivial: Make bios files and source files non-executable 2018-09-25 17:26:18 +02:00
blkverify.c block: Purify .bdrv_refresh_filename() 2019-02-25 15:11:27 +01:00
block-backend.c Block layer patches: 2019-02-26 19:04:47 +00:00
bochs.c avoid TABs in files that only contain a few 2019-01-11 15:46:56 +01:00
cloop.c block: Require auto-read-only for existing fallbacks 2018-11-05 15:09:55 +01:00
commit.c Block layer patches: 2019-02-26 19:04:47 +00:00
copy-on-read.c block: drop empty .bdrv_close handlers 2018-08-15 12:50:39 +02:00
create.c jobs: utilize job_exit shim 2018-08-31 16:28:33 +02:00
crypto.c block: Add strong_runtime_opts to BlockDriver 2019-02-25 15:11:27 +01:00
crypto.h block/crypto: Simplify block_crypto_{open,create}_opts_init() 2018-06-29 14:20:56 +02:00
curl.c block/curl: Implement bdrv_refresh_filename() 2019-02-25 15:11:27 +01:00
dirty-bitmap.c block/dirty-bitmaps: rename frozen predicate helper 2019-03-12 12:05:48 -04:00
dmg-bz2.c dmg: Move libbz2 code to dmg-bz2.so 2016-10-07 14:14:06 +02:00
dmg-lzfse.c block: adding lzfse decompressing support as a module. 2018-12-14 11:52:40 +01:00
dmg.c dmg: don't skip zero chunk 2019-01-04 11:15:09 +00:00
dmg.h dmg: including dmg-lzfse module inside dmg block driver. 2018-12-14 11:52:40 +01:00
file-posix.c block/file-posix: Convert from DPRINTF() macro to trace events 2019-01-31 00:38:19 +01:00
file-win32.c avoid TABs in files that only contain a few 2019-01-11 15:46:56 +01:00
gluster.c block: Add strong_runtime_opts to BlockDriver 2019-02-25 15:11:27 +01:00
io.c block/io: use qemu_iovec_init_buf 2019-02-22 09:42:13 +00:00
iscsi-opts.c Move include qemu/option.h from qemu-common.h to actual users 2018-02-09 13:52:16 +01:00
iscsi.c block/iscsi: Restrict Linux-specific code 2019-03-11 16:33:49 +01:00
linux-aio.c avoid TABs in files that only contain a few 2019-01-11 15:46:56 +01:00
Makefile.objs configure: adding support to lzfse library. 2018-12-14 11:52:40 +01:00
mirror.c block: Purify .bdrv_refresh_filename() 2019-02-25 15:11:27 +01:00
nbd-client.c nbd: Increase bs->in_flight during AioContext switch 2019-02-25 15:03:19 +01:00
nbd-client.h nbd: Restrict connection_co reentrance 2019-02-25 15:03:19 +01:00
nbd.c block: Purify .bdrv_refresh_filename() 2019-02-25 15:11:27 +01:00
nfs.c block: Purify .bdrv_refresh_filename() 2019-02-25 15:11:27 +01:00
null.c block/null: Generate filename even with latency-ns 2019-02-25 15:11:27 +01:00
nvme.c block/nvme: Fix bdrv_refresh_filename() 2019-02-25 15:11:27 +01:00
parallels.c block/parallels: use QEMU_IOVEC_INIT_BUF 2019-02-22 09:42:13 +00:00
parallels.h Clean up includes 2018-02-09 05:05:11 +01:00
qapi.c block: bdrv_get_full_backing_filename's ret. val. 2019-02-25 15:11:26 +01:00
qcow2-bitmap.c qcow2: External file I/O 2019-03-08 12:26:46 +01:00
qcow2-cache.c qcow2: External file I/O 2019-03-08 12:26:46 +01:00
qcow2-cluster.c qcow2: Implement data-file-raw create option 2019-03-08 12:26:46 +01:00
qcow2-refcount.c qcow2: Support external data file in qemu-img check 2019-03-08 12:26:46 +01:00
qcow2-snapshot.c qcow2: Return error for snapshot operation with data file 2019-03-08 12:26:46 +01:00
qcow2.c qcow2: Implement data-file-raw create option 2019-03-08 12:26:46 +01:00
qcow2.h qcow2: Implement data-file-raw create option 2019-03-08 12:26:46 +01:00
qcow.c Block layer patches: 2019-02-26 19:04:47 +00:00
qed-check.c block: convert bdrv_check callback to coroutine_fn 2018-03-09 15:17:47 +01:00
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: use qemu_iovec_init_buf 2019-02-22 09:42:13 +00:00
qed.c Block layer patches: 2019-02-26 19:04:47 +00:00
qed.h qed: protect table cache with CoMutex 2017-07-17 11:34:11 +08:00
quorum.c block: Purify .bdrv_refresh_filename() 2019-02-25 15:11:27 +01:00
raw-format.c block: Add strong_runtime_opts to BlockDriver 2019-02-25 15:11:27 +01:00
rbd.c block: Add strong_runtime_opts to BlockDriver 2019-02-25 15:11:27 +01:00
replication.c block: Add strong_runtime_opts to BlockDriver 2019-02-25 15:11:27 +01:00
sheepdog.c block: Add strong_runtime_opts to BlockDriver 2019-02-25 15:11:27 +01:00
snapshot.c block/snapshot: remove bdrv_snapshot_delete_by_id_or_name 2019-02-25 15:03:18 +01:00
ssh.c block: Add strong_runtime_opts to BlockDriver 2019-02-25 15:11:27 +01:00
stream.c block/stream: use QEMU_IOVEC_INIT_BUF 2019-02-22 09:42:13 +00:00
throttle-groups.c throttle-groups: fix restart coroutine iothread race 2019-01-24 10:02:28 +00:00
throttle.c block: Add strong_runtime_opts to BlockDriver 2019-02-25 15:11:27 +01:00
trace-events block/sheepdog: Convert from DPRINTF() macro to trace events 2019-01-31 00:38:19 +01:00
vdi.c block: Eliminate the S_1KiB, S_2KiB, ... macros 2019-02-01 13:46:45 +01:00
vhdx-endian.c block/vhdx: Don't take address of fields in packed structs 2018-11-05 15:09:54 +01:00
vhdx-log.c block: Use bdrv_refresh_filename() to pull 2019-02-25 15:11:25 +01:00
vhdx.c block/vhdx: Don't take address of fields in packed structs 2018-11-05 15:09:54 +01:00
vhdx.h qemu/queue.h: leave head structs anonymous unless necessary 2019-01-11 15:46:55 +01:00
vmdk.c Block layer patches: 2019-02-26 19:04:47 +00:00
vpc.c block: Add strong_runtime_opts to BlockDriver 2019-02-25 15:11:27 +01:00
vvfat.c block: Add strong_runtime_opts to BlockDriver 2019-02-25 15:11:27 +01:00
vxhs.c block: Add strong_runtime_opts to BlockDriver 2019-02-25 15:11:27 +01:00
win32-aio.c file-win32: Switch to byte-based callbacks 2018-05-15 16:11:41 +02:00
write-threshold.c qapi: Drop qapi_event_send_FOO()'s Error ** argument 2018-08-28 18:21:38 +02:00