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| author |   Al Viro <viro@zeniv.linux.org.uk> | 2016-01-09 20:36:51 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-12-26 21:35:40 -0500 |
| commit | 39c6aceae961776a11a3767553b0e295fc9d413b (patch) | |
| tree | ab88b49327254a493efbe822e41986ea483283ab /fs/afs | |
| parent | rds: remove dead code (diff) | |
| download | wireguard-linux-39c6aceae961776a11a3767553b0e295fc9d413b.tar.xz wireguard-linux-39c6aceae961776a11a3767553b0e295fc9d413b.zip | |
afs_send_pages(): use ITER_BVEC
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/afs')
| -rw-r--r-- | fs/afs/rxrpc.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c index 25f05a8d21b1..bfba8f0c3d43 100644 --- a/fs/afs/rxrpc.c +++ b/fs/afs/rxrpc.c @@ -249,8 +249,7 @@ void afs_flat_call_destructor(struct afs_call *call) /* * attach the data from a bunch of pages on an inode to a call */ -static int afs_send_pages(struct afs_call *call, struct msghdr *msg, - struct kvec *iov) +static int afs_send_pages(struct afs_call *call, struct msghdr *msg) { struct page *pages[8]; unsigned count, n, loop, offset, to; @@ -273,20 +272,21 @@ static int afs_send_pages(struct afs_call *call, struct msghdr *msg, loop = 0; do { + struct bio_vec bvec = {.bv_page = pages[loop], + .bv_offset = offset}; msg->msg_flags = 0; to = PAGE_SIZE; if (first + loop >= last) to = call->last_to; else msg->msg_flags = MSG_MORE; - iov->iov_base = kmap(pages[loop]) + offset; - iov->iov_len = to - offset; + bvec.bv_len = to - offset; offset = 0; _debug("- range %u-%u%s", offset, to, msg->msg_flags ? " [more]" : ""); - iov_iter_kvec(&msg->msg_iter, WRITE | ITER_KVEC, - iov, 1, to - offset); + iov_iter_bvec(&msg->msg_iter, WRITE | ITER_BVEC, + &bvec, 1, to - offset); /* have to change the state *before* sending the last * packet as RxRPC might give us the reply before it @@ -295,7 +295,6 @@ static int afs_send_pages(struct afs_call *call, struct msghdr *msg, call->state = AFS_CALL_AWAIT_REPLY; ret = rxrpc_kernel_send_data(afs_socket, call->rxcall, msg, to - offset); - kunmap(pages[loop]); if (ret < 0) break; } while (++loop < count); @@ -379,7 +378,7 @@ int afs_make_call(struct in_addr *addr, struct afs_call *call, gfp_t gfp, goto error_do_abort; if (call->send_pages) { - ret = afs_send_pages(call, &msg, iov); + ret = afs_send_pages(call, &msg); if (ret < 0) goto error_do_abort; } |