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2013-12-20commit: Remove unused checkFam Zheng1-7/+1
We support top == active for commit now, remove the check and add an assertion here. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-10-11qapi: make use of new BlockJobTypeFam Zheng1-1/+1
Switch the string to enum type BlockJobType in BlockJobDriver. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-10-11blockjob: rename BlockJobType to BlockJobDriverFam Zheng1-2/+2
We will use BlockJobType as the enum type name of block jobs in QAPI, rename current BlockJobType to BlockJobDriver, which will eventually become a set of operations, similar to block drivers. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-09-06block: remove bdrv_is_allocated_above/bdrv_co_is_allocated_above distinctionPaolo Bonzini1-3/+3
Now that bdrv_is_allocated detects coroutine context, the two can use the same code. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-08-22aio / timers: convert block_job_sleep_ns and co_sleep_ns to new APIAlex Bligh1-1/+1
Convert block_job_sleep_ns and co_sleep_ns to use the new timer API. Signed-off-by: Alex Bligh <alex@alex.org.uk> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-06-28block: Make BlockJobTypes constKevin Wolf1-1/+1
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-01-17block: fix null-pointer bug on error case in block commitJeff Cody1-4/+3
This is a bug that was caught by a coverity run by Markus. In the error case when we errored out to exit_restore_open early in the function, 'overlay_bs' was still NULL at that point, although it is used to look up flags and perform a bdrv_reopen(). Move the overlay_bs lookup to where it is needed, and check for NULL before restoring the flags. Also get rid of the unneeded parameter initialization. Reported-By: Markus Armbruster <armbru@redhat.com> Signed-off-by: Jeff Cody <jcody@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2012-12-19block: move include files to include/block/Paolo Bonzini1-2/+2
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-12-11aio: Get rid of qemu_aio_flush()Kevin Wolf1-1/+1
There are no remaining users, and new users should probably be using bdrv_drain_all() in the first place. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-10-24block: rename block_job_complete to block_job_completedPaolo Bonzini1-1/+1
The imperative will be used for the QMP command. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-10-24block: in commit, determine base image from the top imageJeff Cody1-9/+0
This simplifies some code and error checking, and also fixes a bug. bdrv_find_backing_image() should only be passed absolute filenames, or filenames relative to the chain. In the QMP message handler for block commit, when looking up the base do so from the determined top image, so we know it is reachable from top. Some of the error messages put out by block-commit have changed slightly, which causes 2 tests cases for block-commit to fail. This patch updates the test cases to look for the correct error output. Signed-off-by: Jeff Cody <jcody@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-09-28iostatus: move BlockdevOnError declaration to QAPIPaolo Bonzini1-7/+7
This will let block-stream reuse the enum. Places that used the enums are renamed accordingly. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-09-28block: move job APIs to separate filesPaolo Bonzini1-0/+1
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-09-28block: add live block commit functionalityJeff Cody1-0/+267
This adds the live commit coroutine. This iteration focuses on the commit only below the active layer, and not the active layer itself. The behaviour is similar to block streaming; the sectors are walked through, and anything that exists above 'base' is committed back down into base. At the end, intermediate images are deleted, and the chain stitched together. Images are restored to their original open flags upon completion. Signed-off-by: Jeff Cody <jcody@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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