[Qemu-devel] PATCH 0/5] add TRIM/UNMAP support, v2

2010-12-01 Thread Christoph Hellwig
This patchset adds support for the ATA TRIM and SCSI WRITE SAME with unmap commands, which allow reclaiming free space from a backing image. The user facing implementation is pretty complete, but not really efficient because the underlying bdrv_discard implementation doesn't use the aio implementa

[Qemu-devel] [PATCH 0/5] add TRIM/UNMAP support

2010-11-25 Thread Christoph Hellwig
This patchset adds support for the ATA TRIM and SCSI WRITE SAME with unmap commands, which allow reclaiming free space from a backing image. The user facing implementation is pretty complete, but not really efficient because the underlying bdrv_discard implementation doesn't use the aio implementa