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virtiofsd: Plumb fuse_bufvec through to do_write_buf

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Let fuse_session_process_buf_int take a fuse_bufvec * instead of a
fuse_buf;  and then through to do_write_buf - where in the best
case it can pass that straight through to op.write_buf without copying
(other than skipping a header).

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Dr. David Alan Gilbert 2019-01-04 18:23:00 +00:00
parent 25dae28c58
commit 469f9d2fc4
3 changed files with 44 additions and 22 deletions
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2
tools/virtiofsd/fuse_i.h
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@ -100,7 +100,7 @@ int fuse_send_reply_iov_nofree(fuse_req_t req, int error, struct iovec *iov,
void fuse_free_req(fuse_req_t req);
void fuse_session_process_buf_int(struct fuse_session *se,
const struct fuse_buf *buf,
struct fuse_bufvec *bufv,
struct fuse_chan *ch);