13.09.2019 11:58, Max Reitz wrote: > On 16.08.19 17:30, Vladimir Sementsov-Ogievskiy wrote: >> Hi all! >> >> Here is an asynchronous scheme for handling fragmented qcow2 >> reads and writes. Both qcow2 read and write functions loops through >> sequential portions of data. The series aim it to parallelize these >> loops iterations. >> It improves performance for fragmented qcow2 images, I've tested it >> as described below. > > Thanks, I’ve changed two things: > - Replaced assert((x & (BDRV_SECTOR_SIZE - 1)) == 0) by > assert(QEMU_IS_ALIGNED(x, BDRV_SECTOR_SIZE)) in patch 3 (conflict with > “block: Use QEMU_IS_ALIGNED”), and > - Replaced the remaining instance of “qcow2_co_do_pwritev()” by > “qcow2_co_pwritev_task()” in a comment in patch 4 > > and applied the series to my block branch: > > https://git.xanclic.moe/XanClic/qemu/commits/branch/block > > Max >
Thank you!!! -- Best regards, Vladimir
