static void do_setlk_common(fuse_req_t req, fuse_ino_t nodeid,
const void *inarg, int sleep)
{
struct fuse_lk_in *arg = (struct fuse_lk_in *) inarg;
struct fuse_file_info fi;
struct flock flock;
memset(&fi, 0, sizeof(fi));
fi.fh = arg->fh;
fi.lock_owner = arg->owner;
if (arg->lk_flags & FUSE_LK_FLOCK) {
int op = 0;
switch (arg->lk.type) {
case F_RDLCK:
op = LOCK_SH;
break;
case F_WRLCK:
op = LOCK_EX;
break;
case F_UNLCK:
op = LOCK_UN;
break;
}
if (!sleep)
op |= LOCK_NB;
if (req->f->op.flock)
req->f->op.flock(req, nodeid, &fi, op);
else
fuse_reply_err(req, ENOSYS);
} else {
convert_fuse_file_lock(&arg->lk, &flock);
if (req->f->op.setlk)
req->f->op.setlk(req, nodeid, &fi, &flock, sleep);
else
fuse_reply_err(req, ENOSYS);
}
}
old libfuse does not recognize FUSE_LK_FLOCK. I think we can't do anything with this bug.