9p: switch p9_client_write() to passing it struct iov_iter *

... and make it loop until it's done

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 3 insertions, 2 deletions

diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index 6fab66c5c5af..63ae7653389d 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -211,6 +211,8 @@ struct p9_dirent {
         char d_name[256];
 };
 
+struct iov_iter;
+
 int p9_client_statfs(struct p9_fid *fid, struct p9_rstatfs *sb);
 int p9_client_rename(struct p9_fid *fid, struct p9_fid *newdirfid,
                      const char *name);
@@ -238,8 +240,7 @@ int p9_client_remove(struct p9_fid *fid);
 int p9_client_unlinkat(struct p9_fid *dfid, const char *name, int flags);
 int p9_client_read(struct p9_fid *fid, char *data, char __user *udata,
                                                         u64 offset, u32 count);
-int p9_client_write(struct p9_fid *fid, char *data, const char __user *udata,
-                                                        u64 offset, u32 count);
+int p9_client_write(struct p9_fid *fid, u64 offset, struct iov_iter *from, int *err);
 int p9_client_readdir(struct p9_fid *fid, char *data, u32 count, u64 offset);
 int p9dirent_read(struct p9_client *clnt, char *buf, int len,
                   struct p9_dirent *dirent);