On Mon, Aug 31, 2020 at 5:01 PM Nir Soffer <nir...@gmail.com> wrote: > > Change preallocation=falloc to use fallocate() instead of > posix_fallocte(), improving performance when legacy filesystem that do > not support fallocate, and avoiding issues seen with OFD locks. > > More work is needed to respect cache mode when using full preallocation > and maybe optimize buffer size. > > Continuing the discussion at: > https://lists.nongnu.org/archive/html/qemu-block/2020-08/msg00947.html > > Nir Soffer (2): > block: file-posix: Extract preallocate helpers > block: file-posix: Replace posix_fallocate with fallocate > > block/file-posix.c | 202 ++++++++++++++----------- > docs/system/qemu-block-drivers.rst.inc | 11 +- > docs/tools/qemu-img.rst | 11 +- > qapi/block-core.json | 4 +- > 4 files changed, 127 insertions(+), 101 deletions(-)
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