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So that the implementation won't be exposed, and it'll be possible
to invent a new bitmap by replacing bitmap_operations.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-42-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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So that the implementation won't be exposed, and it'll be possible
to invent a new bitmap by replacing bitmap_operations.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-41-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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So that the implementation won't be exposed, and it'll be possible
o invent a new bitmap by replacing bitmap_operations.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-40-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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o that the implementation won't be exposed, and it'll be possible
o invent a new bitmap by replacing bitmap_operations.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-39-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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So that the implementation won't be exposed, and it'll be possible
to invent a new bitmap by replacing bitmap_operations.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-38-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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So that the implementation won't be exposed, and it'll be possible
to invent a new bitmap by replacing bitmap_operations.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-37-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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So that the implementation won't be exposed, and it'll be possible
to invent a new bitmap by replacing bitmap_operations.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-36-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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And move the condition "if (mddev->bitmap)" into md_bitmap_resize() as
well, on the one hand make code cleaner, on the other hand try not to
access bitmap directly.
Since we are here, also change the parameter 'init' from int to bool.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-35-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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So that the implementation won't be exposed, and it'll be possible
to invent a new bitmap by replacing bitmap_operations.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-34-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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So that the implementation won't be exposed, and it'll be possible
to invent a new bitmap by replacing bitmap_operations.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-33-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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Add a parameter 'bool sync' to distinguish them, and
md_bitmap_unplug_async() won't be exported anymore, hence
bitmap_operations only need one op to cover them.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-32-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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So that the implementation won't be exposed, and it'll be possible
to invent a new bitmap by replacing bitmap_operations.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-31-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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So that the implementation won't be exposed, and it'll be possible
to invent a new bitmap by replacing bitmap_operations.
Also change the parameter from bitmap to mddev, to avoid access
bitmap outside md-bitmap.c as much as possible.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-30-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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So that the implementation won't be exposed, and it'll be possible
to invent a new bitmap by replacing bitmap_operations.
Also change the parameter from bitmap to mddev, to avoid access
bitmap outside md-bitmap.c as much as possible.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-29-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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So that the implementation won't be exposed, and it'll be possible
to invent a new bitmap by replacing bitmap_operations.
Also change the parameter from bitmap to mddev, to avoid access
bitmap outside md-bitmap.c as much as possible.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-28-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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For internal callers, aborted are always set to false, while for
external callers, aborted are always set to true.
Hence there is no need to always pass in true for exported api.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-27-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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So that the implementation won't be exposed, and it'll be possible
to invent a new bitmap by replacing bitmap_operations.
Also change the parameter from bitmap to mddev, to avoid access
bitmap outside md-bitmap.c as much as possible.
Also fix lots of code style.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-26-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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So that the implementation won't be exposed, and it'll be possible
to invent a new bitmap by replacing bitmap_operations.
Also change the parameter from bitmap to mddev, to avoid access
bitmap outside md-bitmap.c as much as possible. And change the type
of 'success' and 'behind' from int to bool.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-25-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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So that the implementation won't be exposed, and it'll be possible
to invent a new bitmap by replacing bitmap_operations.
Also change the parameter from bitmap to mddev, to avoid access
bitmap outside md-bitmap.c as much as possible. And change the type
of 'behind' from int to bool.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-24-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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So that the implementation won't be exposed, and it'll be possible
to invent a new bitmap by replacing bitmap_operations.
Also change the parameter from bitmap to mddev, to avoid access
bitmap outside md-bitmap.c as much as possible.
And while we're here, also fix coding style for bitmap_store().
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-23-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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So that the implementation won't be exposed, and it'll be possible
to invent a new bitmap by replacing bitmap_operations.
Also change the parameter from bitmap to mddev, to avoid access
bitmap outside md-bitmap.c as much as possible.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-22-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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md_bitmap_setallbits() is not used, hence can be removed.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-21-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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So that the implementation won't be exposed, and it'll be possible
to invent a new bitmap by replacing bitmap_operations.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-20-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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So that the implementation won't be exposed, and it'll be possible
to invent a new bitmap by replacing bitmap_operations.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-19-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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md_bitmap_print_sb() is only used inside md-bitmap.c, hence make it
static, also rename it to bitmap_print_sb.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-18-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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So that the implementation won't be exposed, and it'll be possible
to invent a new bitmap by replacing bitmap_operations.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-17-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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So that the implementation won't be exposed, and it'll be possible
to invent a new bitmap by replacing bitmap_operations.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-16-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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So that the implementation won't be exposed, and it'll be possible
to invent a new bitmap by replacing bitmap_operations.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-15-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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So that the implementation won't be exposed, and it'll be possible
to invent a new bitmap by replacing bitmap_operations.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-14-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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Other than internal api get_bitmap_from_slot(), all other places will
set returned bitmap to mddev->bitmap. So move the setting of
mddev->bitmap into md_bitmap_create() to simplify code.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-13-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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The structure is empty for now, and will be used in later patches to
merge in bitmap operations, so that bitmap implementation won't be
exposed.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-12-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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Currently md-cluster will set bitmap->counts.pages directly, add a
helper to do this to avoid dereferencing bitmap directly.
Noted that after this patch bitmap is not dereferenced directly anymore
and following patches will move the structure inside md-bitmap.c.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-11-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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Use the existed helper instead of open coding it, avoid dereferencing
bitmap directly to prepare inventing a new bitmap.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-10-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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There are no functional changes, avoid dereferencing bitmap directly to
prepare inventing a new bitmap.
Also fix following checkpatch warning by using wq_has_sleeper().
WARNING: waitqueue_active without comment
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-9-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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There are no functional changes, avoid dereferencing bitmap directly to
prepare inventing a new bitmap.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-8-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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To avoid dereferencing bitmap directly in md-cluster to prepare
inventing a new bitmap.
BTW, also fix following checkpatch warnings:
WARNING: Deprecated use of 'kmap_atomic', prefer 'kmap_local_page' instead
WARNING: Deprecated use of 'kunmap_atomic', prefer 'kunmap_local' instead
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-7-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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drivers/md/md-cluster.c:1220:22: warning: incorrect type in assignment (different base types)
drivers/md/md-cluster.c:1220:22: expected unsigned long my_sync_size
drivers/md/md-cluster.c:1220:22: got restricted __le64 [usertype] sync_size
drivers/md/md-cluster.c:1252:35: warning: incorrect type in assignment (different base types)
drivers/md/md-cluster.c:1252:35: expected unsigned long sync_size
drivers/md/md-cluster.c:1252:35: got restricted __le64 [usertype] sync_size
drivers/md/md-cluster.c:1253:41: warning: restricted __le64 degrades to integer
Fix the warnings by using le64_to_cpu() to convet __le64 to integer.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-6-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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Also add a new helper to get events_cleared to avoid dereferencing
bitmap directly to prepare inventing a new bitmap.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-5-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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There are no functional changes, avoid dereferencing bitmap directly to
prepare inventing a new bitmap.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-4-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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There are no functional changes, and the new helper will be used in
multiple places in following patches to avoid dereferencing bitmap
directly.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-3-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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Use the existed helper instead of open coding it to make the code cleaner.
There are no functional changes, and also avoid dereferencing bitmap
directly to prepare inventing a new bitmap.
Noted that this patch also export md_bitmap_wait_behind_writes(), which
is necessary for now, and the exported api will be removed in following
patches to convert bitmap apis into ops.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-2-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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The local variable will only be used onced, in the error path that
read_balance() failed to find a valid rdev to read. Since now the rdev
is ensured can't be removed from conf while IO is still pending,
remove the local variable and dereference rdev directly.
Since we're here, also remove an extra empty line, and unnecessary
type conversion from sector_t(u64) to unsigned long long.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240801133008.459998-1-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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Because flush sync_work may trigger mddev_suspend() if there are spares,
and this should never be done in IO path because mddev_suspend() is used
to wait for IO.
This problem is found by code review.
Fixes: bc08041b32ab ("md: suspend array in md_start_sync() if array need reconfiguration")
Cc: stable@vger.kernel.org
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240801124746.242558-1-yukuai1@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
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list_entry() will never return a NULL pointer, thus remove the
check.
Signed-off-by: Yuesong Li <liyuesong@vivo.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
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For the MAC based integrity operation, the integrity key size (i.e.
key_mac_size) is currently set to the digest size of the used digest.
For wrapped key HMAC algorithms, the key size is independent of the
cryptographic key size. So there is no known size of the mac key in
such cases. The desired key size can optionally be specified as argument
when the dm-crypt device is configured via 'integrity_key_size:%u'.
If no integrity_key_size argument is specified, the mac key size
is still set to the digest size, as before.
Increase version number to 1.28.0 so that support for the new
argument can be detected by user space (i.e. cryptsetup).
Signed-off-by: Ingo Franzki <ifranzki@linux.ibm.com>
Reviewed-by: Milan Broz <gmazyland@gmail.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
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dm_zone_map_bio() has beed removed since commit f211268ed1f9 ("dm: Use
the block layer zone append emulation"), remain the declaration unused in
header files. So, let's remove this unused declaration and empty
definition.
Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
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Ensure the recovery journal does not attempt recovery when blocks
with mismatched metadata versions are detected. This check is
performed after determining that the blocks are otherwise valid
so that it does not interfere with normal recovery.
Signed-off-by: Susan LeGendre-McGhee <slegendr@redhat.com>
Signed-off-by: Matthew Sakai <msakai@redhat.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
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Abort the load process with status code VDO_UNSUPPORTED_VERSION
without forcing read-only mode when a journal block with the
old format version is detected.
Forcing the VDO volume into read-only mode and thus requiring
a read-only rebuild should only be done when absolutely necessary.
Signed-off-by: Susan LeGendre-McGhee <slegendr@redhat.com>
Signed-off-by: Matthew Sakai <msakai@redhat.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
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Add a new dmsetup message called config, which will return
useful configuration information for the vdo volume and
the uds index associated with it. The output is a YAML
string, and contains a version number to allow future
additions to the content.
Signed-off-by: Bruce Johnston <bjohnsto@redhat.com>
Signed-off-by: Matthew Sakai <msakai@redhat.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
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Remove this check to prevent spurious warning messages due to
the behavior of other storage layers. This check was intended
to make sure dm-vdo does not chain metadata bios together.
However, vdo has no control over underlying storage layers,
so the assertion is not always true.
Signed-off-by: Ken Raeburn <raeburn@redhat.com>
Signed-off-by: Matthew Sakai <msakai@redhat.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
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