commit c9de5c80d536e556568ccd45b9599870d4993b7d
author Pavel Shilovsky <pshilovsky@samba.org> Tue Sep 18 16:20:29 2012 -0700
committer Steve French <smfrench@gmail.com> Mon Sep 24 21:46:28 2012 -0500
tree 5ae40ff872bc69cf5be996f2e6a75ea746d8ed58
parent 09a4707e7638247302c6d798061aed117141fb74

CIFS: Move async write to ops struct

Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>

fs/cifs/cifsglob.h

diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 93dd582..aef1674 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -173,6 +173,7 @@
 struct smb_vol;
 struct cifs_fid;
 struct cifs_readdata;
+struct cifs_writedata;
 
 struct smb_version_operations {
 	int (*send_cancel)(struct TCP_Server_Info *, void *,
@@ -283,6 +284,8 @@
 	int (*flush)(const unsigned int, struct cifs_tcon *, struct cifs_fid *);
 	/* async read from the server */
 	int (*async_readv)(struct cifs_readdata *);
+	/* async write to the server */
+	int (*async_writev)(struct cifs_writedata *);
 };
 
 struct smb_version_values {

fs/cifs/cifssmb.c

diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 8a07f21..2a9b273 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -1926,6 +1926,7 @@
 {
 	int i, rc;
 	struct inode *inode = wdata->cfile->dentry->d_inode;
+	struct TCP_Server_Info *server;
 
 	for (i = 0; i < wdata->nr_pages; i++) {
 		lock_page(wdata->pages[i]);
@@ -1933,7 +1934,8 @@
 	}
 
 	do {
-		rc = cifs_async_writev(wdata);
+		server = tlink_tcon(wdata->cfile->tlink)->ses->server;
+		rc = server->ops->async_writev(wdata);
 	} while (rc == -EAGAIN);
 
 	for (i = 0; i < wdata->nr_pages; i++) {

fs/cifs/file.c

diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 29ac8ee4..703c164 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -1754,6 +1754,7 @@
 	bool done = false, scanned = false, range_whole = false;
 	pgoff_t end, index;
 	struct cifs_writedata *wdata;
+	struct TCP_Server_Info *server;
 	struct page *page;
 	int rc = 0;
 
@@ -1904,7 +1905,8 @@
 				break;
 			}
 			wdata->pid = wdata->cfile->pid;
-			rc = cifs_async_writev(wdata);
+			server = tlink_tcon(wdata->cfile->tlink)->ses->server;
+			rc = server->ops->async_writev(wdata);
 		} while (wbc->sync_mode == WB_SYNC_ALL && rc == -EAGAIN);
 
 		for (i = 0; i < nr_pages; ++i)
@@ -2235,6 +2237,9 @@
 cifs_uncached_retry_writev(struct cifs_writedata *wdata)
 {
 	int rc;
+	struct TCP_Server_Info *server;
+
+	server = tlink_tcon(wdata->cfile->tlink)->ses->server;
 
 	do {
 		if (wdata->cfile->invalidHandle) {
@@ -2242,7 +2247,7 @@
 			if (rc != 0)
 				continue;
 		}
-		rc = cifs_async_writev(wdata);
+		rc = server->ops->async_writev(wdata);
 	} while (rc == -EAGAIN);
 
 	return rc;
@@ -2277,6 +2282,10 @@
 	cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
 	open_file = file->private_data;
 	tcon = tlink_tcon(open_file->tlink);
+
+	if (!tcon->ses->server->ops->async_writev)
+		return -ENOSYS;
+
 	offset = *poffset;
 
 	if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_RWPIDFORWARD)

fs/cifs/smb1ops.c

diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
index e2dbd22..50c3697 100644
--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -786,6 +786,7 @@
 	.close = cifs_close_file,
 	.flush = cifs_flush_file,
 	.async_readv = cifs_async_readv,
+	.async_writev = cifs_async_writev,
 };
 
 struct smb_version_values smb1_values = {