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block: use fdatasync instead of fsync if possible
If we are flushing the caches for our image files we only care about thedata (including the metadata required for accessing it) but not thingslike timestamp updates. So try to use fdatasync instead of fsync to...
qemu-img: Print available options with -o ?
This patch adds a small help text to each of the options in the block driverswhich can be displayed by using qemu-img create -f fmt -o ?
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Convert all block drivers to new bdrv_create
Now we can make use of the newly introduced option structures. Instead ofhaving bdrv_create carry more and more parameters (which are format specific inmost cases), just pass a option structure as defined by the driver itself....
Move block drivers into their own directory
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>