Kevin Wolf 35b7f4abd5 block: Add BDRV_O_NO_SHARE for blk_new_open() ... Normally, blk_new_open() just shares all permissions. This was fine originally when permissions only protected against uses in the same process because no other part of the code would actually get to access the block nodes opened with blk_new_open(). However, since we use it for file locking now, unsharing permissions becomes desirable. Add a new BDRV_O_NO_SHARE flag that is used in blk_new_open() to unshare any permissions that can be unshared. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20210422164344.283389-2-kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>		2021-04-30 12:27:48 +02:00
..
export	block/export: disable VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD for now	2021-03-19 10:15:06 +01:00
monitor	block: Remove monitor command block_passwd	2021-03-23 22:31:56 +01:00
accounting.c	block/accounting: Use lock guard macros	2020-12-11 17:52:39 +01:00
aio_task.c
amend.c	block/amend: Check whether the node exists	2020-07-27 12:37:25 +02:00
backup-top.c	block/backup-top: drop .active	2021-04-30 12:27:48 +02:00
backup-top.h	qapi: backup: add perf.use-copy-range parameter	2021-01-26 14:36:37 +01:00
backup.c	backup: Remove nodes from job in .clean()	2021-03-08 14:55:18 +01:00
blkdebug.c	block: check return value of bdrv_open_child and drop error propagation	2021-03-08 15:07:09 -06:00
blklogwrites.c	block: check return value of bdrv_open_child and drop error propagation	2021-03-08 15:07:09 -06:00
blkreplay.c	block: check return value of bdrv_open_child and drop error propagation	2021-03-08 15:07:09 -06:00
blkverify.c	block: check return value of bdrv_open_child and drop error propagation	2021-03-08 15:07:09 -06:00
block-backend.c	block: Add BDRV_O_NO_SHARE for blk_new_open()	2021-04-30 12:27:48 +02:00
block-copy.c	block/block-copy: drop unused argument of block_copy()	2021-01-26 14:36:37 +01:00
block-gen.h	scripts: add block-coroutine-wrapper.py	2020-10-05 10:59:06 +01:00
bochs.c	block: Use bdrv_default_perms()	2020-05-18 19:05:25 +02:00
cloop.c	block: Use bdrv_default_perms()	2020-05-18 19:05:25 +02:00
commit.c	block: bdrv_append(): don't consume reference	2021-04-30 12:27:47 +02:00
copy-on-read.c	copy-on-read: skip non-guest reads if no copy needed	2021-01-26 14:36:37 +01:00
copy-on-read.h	copy-on-read: add filter drop function	2021-01-26 11:26:54 +01:00
coroutines.h	block: Return depth level during bdrv_is_allocated_above	2020-10-30 15:21:23 -05:00
create.c
crypto.c	block: add bdrv_co_delete_file_noerr	2021-02-15 15:10:14 +01:00
crypto.h	nomaintainer: Fix Lesser GPL version number	2020-11-15 17:04:40 +01:00
curl.c	curl: Disconnect sockets from CURLState	2021-03-19 10:15:06 +01:00
dirty-bitmap.c	block: remove dirty bitmaps 'status' field	2021-03-18 09:22:55 +00:00
dmg-bz2.c
dmg-lzfse.c	block: Remove unused include	2020-11-09 15:44:21 +01:00
dmg.c	block: Fix some code style problems, "foo* bar" should be "foo *bar"	2020-11-09 18:42:47 +01:00
dmg.h
file-posix.c	block: bdrv_reopen_multiple: refresh permissions on updated graph	2021-04-30 12:27:48 +02:00
file-win32.c	block/file: switch to use qemu_open/qemu_create for improved errors	2020-09-16 10:33:48 +01:00
filter-compress.c	block: Inline bdrv_co_block_status_from_*()	2020-09-07 12:31:31 +02:00
gluster.c	qapi: More complex uses of QAPI_LIST_APPEND	2021-01-28 08:08:45 +01:00
io_uring.c	io_uring: do not use pointer after free	2020-11-17 12:26:48 +01:00
io.c	block: make bdrv_refresh_limits() to be a transaction action	2021-04-30 12:27:48 +02:00
iscsi-opts.c
iscsi.c	Remove superfluous timer_del() calls	2021-01-08 15:13:38 +00:00
linux-aio.c	misc: Replace zero-length arrays with flexible array member (automatic)	2020-03-16 22:07:42 +01:00
meson.build	parallels: support bitmap extension for read-only mode	2021-03-08 14:56:55 +01:00
mirror.c	block: bdrv_append(): don't consume reference	2021-04-30 12:27:47 +02:00
nbd.c	block/nbd: fix possible use after free of s->connect_thread	2021-04-13 15:35:12 +02:00
nfs.c	block/nfs: fix int overflow in nfs_client_open_qdict	2020-12-18 11:48:39 +01:00
null.c	block/null: Implement bdrv_get_allocated_file_size	2020-09-07 12:31:31 +02:00
nvme.c	block/nvme: Trace NVMe spec version supported by the controller	2021-02-02 17:05:38 +01:00
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: introduce preallocate filter	2020-12-18 12:35:55 +01:00
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: remove 'dirty-bitmaps' field from 'BlockInfo' struct	2021-03-18 09:22:55 +00:00
qcow2-bitmap.c	nbd patches for 2021-03-09	2021-03-11 13:57:08 +00:00
qcow2-cache.c
qcow2-cluster.c	qcow2: Fix corruption on write_zeroes with MAY_UNMAP	2020-11-24 11:29:41 +01:00
qcow2-refcount.c	qcow2: Make qcow2_free_any_clusters() free only one cluster	2020-09-15 11:05:13 +02:00
qcow2-snapshot.c	migration: introduce icount field for snapshots	2020-10-06 08:34:49 +02:00
qcow2-threads.c	qcow2: add zstd cluster compression	2020-05-13 14:20:31 +02:00
qcow2.c	qcow2: Force preallocation with data-file-raw	2021-03-30 13:02:10 +02:00
qcow2.h	block/qcow2-bitmap: return status from qcow2_store_persistent_dirty_bitmaps	2021-03-08 16:03:21 -06:00
qcow.c	block/qcow: remove runtime opts	2020-09-15 11:05:13 +02:00
qed-check.c
qed-cluster.c
qed-l2-cache.c
qed-table.c
qed.c	block/qed: bdrv_qed_do_open: deal with errp	2021-03-08 16:03:32 -06:00
qed.h	qed: Simplify backing reads	2020-07-06 10:34:14 +02:00
quorum.c	block: check return value of bdrv_open_child and drop error propagation	2021-03-08 15:07:09 -06:00
raw-format.c	block/raw-format: implement .bdrv_cancel_in_flight handler	2021-02-12 09:45:18 -06:00
rbd.c	block/rbd: fix memory leak in qemu_rbd_co_create_opts()	2021-04-09 18:00:29 +02:00
replication.c	qapi: backup: add max-chunk and max-workers to x-perf struct	2021-01-26 14:36:37 +01:00
sheepdog.c	block: deprecate the sheepdog block driver	2020-10-15 16:06:28 +02:00
snapshot.c	block: rename and alter bdrv_all_find_snapshot semantics	2021-02-08 11:19:51 +00:00
ssh.c	qapi: Smooth another visitor error checking pattern	2020-07-10 15:18:08 +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	qemu/atomic.h: rename atomic_ to qatomic_	2020-09-23 16:07:44 +01:00
trace-events	block/io: use int64_t bytes in copy_range	2021-02-03 08:17:12 -06:00
trace.h	trace: switch position of headers to what Meson requires	2020-08-21 06:18:24 -04:00
vdi.c	block/vdi: Don't assume that blocks are larger than VdiHeader	2021-03-31 10:44:21 +01:00
vhdx-endian.c
vhdx-log.c	block: Add flags to bdrv(_co)_truncate()	2020-04-30 17:51:07 +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
vmdk.c	qapi: Use QAPI_LIST_APPEND in trivial cases	2021-01-28 08:08:45 +01:00
vpc.c	block/vpc: Use sizeof() instead of HEADER_SIZE for footer size	2020-12-18 12:43:30 +01:00
vvfat.c	block/vvfat: Fix bad printf format specifiers	2020-11-03 16:24:56 +01:00
win32-aio.c
write-threshold.c