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Stefan Hajnoczi 31be8a2a97 block/file-posix: add x-check-page-cache=on|off option 
mincore(2) checks whether pages are resident.  Use it to verify that
page cache has been dropped.

You can trigger a verification failure by mmapping the image file from
another process that loads a byte from a page, forcing it to become
resident.  bdrv_co_invalidate_cache() will fail while that process is
alive.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 20180427162312.18583-3-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2018-05-11 16:43:05 +01:00
..
accounting.c
block/accounting: introduce latency histogram
2018-03-19 14:58:37 -05:00
backup.c
blockjobs: ensure abort is called for cancelled jobs
2018-03-19 12:01:24 +01:00
blkdebug.c
qobject: Modify qobject_ref() to return obj
2018-05-04 08:27:53 +02:00
blkreplay.c
block/blkreplay: Remove protocol-related fields
2018-03-26 12:16:00 +02:00
blkverify.c
qobject: Modify qobject_ref() to return obj
2018-05-04 08:27:53 +02:00
block-backend.c
block: let blk_add/remove_aio_context_notifier() tolerate BDS changes
2018-03-13 15:38:55 -05:00
bochs.c
block: Deprecate bdrv_set_read_only() and users
2017-11-17 13:35:59 +01:00
cloop.c
block: Deprecate bdrv_set_read_only() and users
2017-11-17 13:35:59 +01:00
commit.c
commit/stream: Reset delay_ns
2018-04-10 16:33:47 +02:00
create.c
block: x-blockdev-create QMP command
2018-03-09 15:17:47 +01:00
crypto.c
qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF
2018-05-04 08:27:53 +02:00
crypto.h
qcow: convert QCow to use QCryptoBlock for encryption
2017-07-11 17:44:56 +02:00
curl.c
Move include qemu/option.h from qemu-common.h to actual users
2018-02-09 13:52:16 +01:00
dirty-bitmap.c
dirty-bitmap: add locked state
2018-03-13 17:05:00 -04:00
dmg-bz2.c
dmg: Move libbz2 code to dmg-bz2.so
2016-10-07 14:14:06 +02:00
dmg.c
block: Deprecate bdrv_set_read_only() and users
2017-11-17 13:35:59 +01:00
dmg.h
block: remove "qemu/osdep.h" from header file
2017-12-18 17:07:02 +03:00
file-posix.c
block/file-posix: add x-check-page-cache=on|off option
2018-05-11 16:43:05 +01:00
file-win32.c
file-win32: Support .bdrv_co_create
2018-03-09 15:17:47 +01:00
gluster.c
qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF
2018-05-04 08:27:53 +02:00
io.c
coroutine: avoid co_queue_wakeup recursion
2018-03-27 13:05:28 +01:00
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
qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF
2018-05-04 08:27:53 +02:00
linux-aio.c
block: explicitly acquire aiocontext in aio callbacks that need it
2017-02-21 11:39:39 +00:00
Makefile.objs
block: x-blockdev-create QMP command
2018-03-09 15:17:47 +01:00
mirror.c
block/mirror: Make cancel always cancel pre-READY
2018-05-08 10:47:27 -04:00
nbd-client.c
nbd/client: Relax handling of large NBD_CMD_BLOCK_STATUS reply
2018-05-04 08:23:39 -05:00
nbd-client.h
nbd: BLOCK_STATUS for standard get_block_status function: client part
2018-03-13 15:43:48 -05:00
nbd.c
qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF
2018-05-04 08:27:53 +02:00
nfs.c
qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF
2018-05-04 08:27:53 +02:00
null.c
qobject: Modify qobject_ref() to return obj
2018-05-04 08:27:53 +02:00
nvme.c
qobject: Modify qobject_ref() to return obj
2018-05-04 08:27:53 +02:00
parallels.c
qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF
2018-05-04 08:27:53 +02:00
parallels.h
Clean up includes
2018-02-09 05:05:11 +01:00
qapi.c
qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF
2018-05-04 08:27:53 +02:00
qcow2-bitmap.c
qcow2-bitmap: add qcow2_reopen_bitmaps_rw_hint()
2018-03-26 21:17:24 +02:00
qcow2-cache.c
qcow2: Allow configuring the L2 slice size
2018-02-13 17:00:00 +01:00
qcow2-cluster.c
qcow2: Check L1 table parameters in qcow2_expand_zero_clusters()
2018-03-09 15:17:47 +01:00
qcow2-refcount.c
qcow2: Reset free_cluster_index when allocating a new refcount block
2018-03-26 12:16:00 +02:00
qcow2-snapshot.c
qcow2: Check snapshot L1 table in qcow2_snapshot_delete()
2018-03-09 15:17:47 +01:00
qcow2.c
qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF
2018-05-04 08:27:53 +02:00
qcow2.h
qcow2: try load bitmaps only once
2018-04-16 13:35:32 +02:00
qcow.c
qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF
2018-05-04 08:27:53 +02:00
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: convert bdrv_check callback to coroutine_fn
2018-03-09 15:17:47 +01:00
qed.c
qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF
2018-05-04 08:27:53 +02:00
qed.h
qed: protect table cache with CoMutex
2017-07-17 11:34:11 +08:00
quorum.c
qobject: Modify qobject_ref() to return obj
2018-05-04 08:27:53 +02:00
raw-format.c
block: rename .bdrv_create() to .bdrv_co_create_opts()
2018-03-02 18:39:07 +01:00
rbd.c
qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF
2018-05-04 08:27:53 +02:00
replication.c
block/replication: Remove protocol_name field
2018-03-26 12:16:00 +02:00
sheepdog.c
sheepdog: Fix sd_co_create_opts() memory leaks
2018-05-08 10:47:27 -04:00
snapshot.c
qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF
2018-05-04 08:27:53 +02:00
ssh.c
qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF
2018-05-04 08:27:53 +02:00
stream.c
commit/stream: Reset delay_ns
2018-04-10 16:33:47 +02:00
throttle-groups.c
Include less of the generated modular QAPI headers
2018-03-02 13:45:50 -06:00
throttle.c
block/throttle: Remove protocol-related fields
2018-03-26 12:16:00 +02:00
trace-events
blockjobs: add block-job-finalize
2018-03-19 12:01:24 +01:00
vdi.c
qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF
2018-05-04 08:27:53 +02:00
vhdx-endian.c
vhdx: Use QEMU UUID API
2016-09-23 11:42:52 +08:00
vhdx-log.c
vhdx: use QEMU_ALIGN_DOWN
2017-08-31 12:29:07 +02:00
vhdx.c
qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF
2018-05-04 08:27:53 +02:00
vhdx.h
block: vhdx - update PAYLOAD_BLOCK_UNMAPPED value to match 1.00 spec
2014-12-12 15:42:22 +00:00
vmdk.c
vmdk: return ERROR when cluster sector is larger than vmdk limitation
2018-03-26 21:17:24 +02:00
vpc.c
qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF
2018-05-04 08:27:53 +02:00
vvfat.c
qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF
2018-05-04 08:27:53 +02:00
vxhs.c
qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF
2018-05-04 08:27:53 +02:00
win32-aio.c
block: explicitly acquire aiocontext in aio callbacks that need it
2017-02-21 11:39:39 +00:00
write-threshold.c
Include less of the generated modular QAPI headers
2018-03-02 13:45:50 -06:00