piaojun 9ceaaa15cf virtiofsd: add definition of fuse_buf_writev() ... Define fuse_buf_writev() which use pwritev and writev to improve io bandwidth. Especially, the src bufs with 0 size should be skipped as their mems are not *block_size* aligned which will cause writev failed in direct io mode. Signed-off-by: Jun Piao <piaojun@huawei.com> Suggested-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>		2020-01-23 16:41:37 +00:00
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virtiofsd	virtiofsd: add definition of fuse_buf_writev()	2020-01-23 16:41:37 +00:00