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/openbmc/qemu/include/block/ |
H A D | block.h | diff 77485434206bbbfbb7f6a446866f6a327b062d5e Mon Oct 27 05:12:50 CDT 2014 Max Reitz <mreitz@redhat.com> block: Add status callback to bdrv_amend_options()
Depending on the changed options and the image format, bdrv_amend_options() may take a significant amount of time. In these cases, a way to be informed about the operation's status is desirable.
Since the operation is rather complex and may fundamentally change the image, implementing it as AIO or a coroutine does not seem feasible. On the other hand, implementing it as a block job would be significantly more difficult than a simple callback and would not add benefits other than progress report to the amending operation, because it should not actually be run as a block job at all.
A callback may not be very pretty, but it's very easy to implement and perfectly fits its purpose here.
Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Benoît Canet <benoit.canet@nodalink.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-id: 1414404776-4919-2-git-send-email-mreitz@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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H A D | block_int.h | diff 77485434206bbbfbb7f6a446866f6a327b062d5e Mon Oct 27 05:12:50 CDT 2014 Max Reitz <mreitz@redhat.com> block: Add status callback to bdrv_amend_options()
Depending on the changed options and the image format, bdrv_amend_options() may take a significant amount of time. In these cases, a way to be informed about the operation's status is desirable.
Since the operation is rather complex and may fundamentally change the image, implementing it as AIO or a coroutine does not seem feasible. On the other hand, implementing it as a block job would be significantly more difficult than a simple callback and would not add benefits other than progress report to the amending operation, because it should not actually be run as a block job at all.
A callback may not be very pretty, but it's very easy to implement and perfectly fits its purpose here.
Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Benoît Canet <benoit.canet@nodalink.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-id: 1414404776-4919-2-git-send-email-mreitz@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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/openbmc/qemu/ |
H A D | qemu-img.c | diff 77485434206bbbfbb7f6a446866f6a327b062d5e Mon Oct 27 05:12:50 CDT 2014 Max Reitz <mreitz@redhat.com> block: Add status callback to bdrv_amend_options()
Depending on the changed options and the image format, bdrv_amend_options() may take a significant amount of time. In these cases, a way to be informed about the operation's status is desirable.
Since the operation is rather complex and may fundamentally change the image, implementing it as AIO or a coroutine does not seem feasible. On the other hand, implementing it as a block job would be significantly more difficult than a simple callback and would not add benefits other than progress report to the amending operation, because it should not actually be run as a block job at all.
A callback may not be very pretty, but it's very easy to implement and perfectly fits its purpose here.
Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Benoît Canet <benoit.canet@nodalink.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-id: 1414404776-4919-2-git-send-email-mreitz@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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H A D | block.c | diff 77485434206bbbfbb7f6a446866f6a327b062d5e Mon Oct 27 05:12:50 CDT 2014 Max Reitz <mreitz@redhat.com> block: Add status callback to bdrv_amend_options()
Depending on the changed options and the image format, bdrv_amend_options() may take a significant amount of time. In these cases, a way to be informed about the operation's status is desirable.
Since the operation is rather complex and may fundamentally change the image, implementing it as AIO or a coroutine does not seem feasible. On the other hand, implementing it as a block job would be significantly more difficult than a simple callback and would not add benefits other than progress report to the amending operation, because it should not actually be run as a block job at all.
A callback may not be very pretty, but it's very easy to implement and perfectly fits its purpose here.
Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Benoît Canet <benoit.canet@nodalink.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-id: 1414404776-4919-2-git-send-email-mreitz@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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/openbmc/qemu/block/ |
H A D | qcow2.c | diff 77485434206bbbfbb7f6a446866f6a327b062d5e Mon Oct 27 05:12:50 CDT 2014 Max Reitz <mreitz@redhat.com> block: Add status callback to bdrv_amend_options()
Depending on the changed options and the image format, bdrv_amend_options() may take a significant amount of time. In these cases, a way to be informed about the operation's status is desirable.
Since the operation is rather complex and may fundamentally change the image, implementing it as AIO or a coroutine does not seem feasible. On the other hand, implementing it as a block job would be significantly more difficult than a simple callback and would not add benefits other than progress report to the amending operation, because it should not actually be run as a block job at all.
A callback may not be very pretty, but it's very easy to implement and perfectly fits its purpose here.
Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Benoît Canet <benoit.canet@nodalink.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-id: 1414404776-4919-2-git-send-email-mreitz@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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