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/openbmc/qemu/tests/qemu-iotests/
H A D142.outdiff bfd18d1e0b06608226fcef1982c3a439c49c3366 Fri Mar 04 07:28:01 CST 2016 Kevin Wolf <kwolf@redhat.com> block: Move enable_write_cache to BB level

Whether a write cache is used or not is a decision that concerns the
user (e.g. the guest device) rather than the backend. It was already
logically part of the BB level as bdrv_move_feature_fields() always kept
it on top of the BDS tree; with this patch, the core of it (the actual
flag and the additional flushes) is also implemented there.

Direct callers of bdrv_open() must pass BDRV_O_CACHE_WB now if bs
doesn't have a BlockBackend attached.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
H A D142diff bfd18d1e0b06608226fcef1982c3a439c49c3366 Fri Mar 04 07:28:01 CST 2016 Kevin Wolf <kwolf@redhat.com> block: Move enable_write_cache to BB level

Whether a write cache is used or not is a decision that concerns the
user (e.g. the guest device) rather than the backend. It was already
logically part of the BB level as bdrv_move_feature_fields() always kept
it on top of the BDS tree; with this patch, the core of it (the actual
flag and the additional flushes) is also implemented there.

Direct callers of bdrv_open() must pass BDRV_O_CACHE_WB now if bs
doesn't have a BlockBackend attached.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
/openbmc/qemu/block/
H A Discsi.cdiff bfd18d1e0b06608226fcef1982c3a439c49c3366 Fri Mar 04 07:28:01 CST 2016 Kevin Wolf <kwolf@redhat.com> block: Move enable_write_cache to BB level

Whether a write cache is used or not is a decision that concerns the
user (e.g. the guest device) rather than the backend. It was already
logically part of the BB level as bdrv_move_feature_fields() always kept
it on top of the BDS tree; with this patch, the core of it (the actual
flag and the additional flushes) is also implemented there.

Direct callers of bdrv_open() must pass BDRV_O_CACHE_WB now if bs
doesn't have a BlockBackend attached.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
H A Dblock-backend.cdiff bfd18d1e0b06608226fcef1982c3a439c49c3366 Fri Mar 04 07:28:01 CST 2016 Kevin Wolf <kwolf@redhat.com> block: Move enable_write_cache to BB level

Whether a write cache is used or not is a decision that concerns the
user (e.g. the guest device) rather than the backend. It was already
logically part of the BB level as bdrv_move_feature_fields() always kept
it on top of the BDS tree; with this patch, the core of it (the actual
flag and the additional flushes) is also implemented there.

Direct callers of bdrv_open() must pass BDRV_O_CACHE_WB now if bs
doesn't have a BlockBackend attached.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
H A Dio.cdiff bfd18d1e0b06608226fcef1982c3a439c49c3366 Fri Mar 04 07:28:01 CST 2016 Kevin Wolf <kwolf@redhat.com> block: Move enable_write_cache to BB level

Whether a write cache is used or not is a decision that concerns the
user (e.g. the guest device) rather than the backend. It was already
logically part of the BB level as bdrv_move_feature_fields() always kept
it on top of the BDS tree; with this patch, the core of it (the actual
flag and the additional flushes) is also implemented there.

Direct callers of bdrv_open() must pass BDRV_O_CACHE_WB now if bs
doesn't have a BlockBackend attached.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
/openbmc/qemu/include/block/
H A Dblock.hdiff bfd18d1e0b06608226fcef1982c3a439c49c3366 Fri Mar 04 07:28:01 CST 2016 Kevin Wolf <kwolf@redhat.com> block: Move enable_write_cache to BB level

Whether a write cache is used or not is a decision that concerns the
user (e.g. the guest device) rather than the backend. It was already
logically part of the BB level as bdrv_move_feature_fields() always kept
it on top of the BDS tree; with this patch, the core of it (the actual
flag and the additional flushes) is also implemented there.

Direct callers of bdrv_open() must pass BDRV_O_CACHE_WB now if bs
doesn't have a BlockBackend attached.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
H A Dblock_int.hdiff bfd18d1e0b06608226fcef1982c3a439c49c3366 Fri Mar 04 07:28:01 CST 2016 Kevin Wolf <kwolf@redhat.com> block: Move enable_write_cache to BB level

Whether a write cache is used or not is a decision that concerns the
user (e.g. the guest device) rather than the backend. It was already
logically part of the BB level as bdrv_move_feature_fields() always kept
it on top of the BDS tree; with this patch, the core of it (the actual
flag and the additional flushes) is also implemented there.

Direct callers of bdrv_open() must pass BDRV_O_CACHE_WB now if bs
doesn't have a BlockBackend attached.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
/openbmc/qemu/
H A Dblock.cdiff bfd18d1e0b06608226fcef1982c3a439c49c3366 Fri Mar 04 07:28:01 CST 2016 Kevin Wolf <kwolf@redhat.com> block: Move enable_write_cache to BB level

Whether a write cache is used or not is a decision that concerns the
user (e.g. the guest device) rather than the backend. It was already
logically part of the BB level as bdrv_move_feature_fields() always kept
it on top of the BDS tree; with this patch, the core of it (the actual
flag and the additional flushes) is also implemented there.

Direct callers of bdrv_open() must pass BDRV_O_CACHE_WB now if bs
doesn't have a BlockBackend attached.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>