diff options
Diffstat (limited to 'net/ceph')
| -rw-r--r-- | net/ceph/messenger.c | 20 | ||||
| -rw-r--r-- | net/ceph/osdmap.c | 5 |
2 files changed, 24 insertions, 1 deletions
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index dac7f9b98687..1948d592aa54 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -557,7 +557,7 @@ static int ceph_tcp_sendmsg(struct socket *sock, struct kvec *iov, return r; } -static int ceph_tcp_sendpage(struct socket *sock, struct page *page, +static int __ceph_tcp_sendpage(struct socket *sock, struct page *page, int offset, size_t size, bool more) { int flags = MSG_DONTWAIT | MSG_NOSIGNAL | (more ? MSG_MORE : MSG_EOR); @@ -570,6 +570,24 @@ static int ceph_tcp_sendpage(struct socket *sock, struct page *page, return ret; } +static int ceph_tcp_sendpage(struct socket *sock, struct page *page, + int offset, size_t size, bool more) +{ + int ret; + struct kvec iov; + + /* sendpage cannot properly handle pages with page_count == 0, + * we need to fallback to sendmsg if that's the case */ + if (page_count(page) >= 1) + return __ceph_tcp_sendpage(sock, page, offset, size, more); + + iov.iov_base = kmap(page) + offset; + iov.iov_len = size; + ret = ceph_tcp_sendmsg(sock, &iov, 1, size, more); + kunmap(page); + + return ret; +} /* * Shutdown/close the socket for the given connection. diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c index 8b8a5a24b223..c547e46084d3 100644 --- a/net/ceph/osdmap.c +++ b/net/ceph/osdmap.c @@ -329,6 +329,11 @@ static struct crush_map *crush_decode(void *pbyval, void *end) dout("crush decode tunable chooseleaf_descend_once = %d", c->chooseleaf_descend_once); + ceph_decode_need(p, end, sizeof(u8), done); + c->chooseleaf_vary_r = ceph_decode_8(p); + dout("crush decode tunable chooseleaf_vary_r = %d", + c->chooseleaf_vary_r); + done: dout("crush_decode success\n"); return c; |