[CIFS] CIFS writepage improvements - eliminate double copy
Signed-off-by: Steve French (sfrench@us.ibm.com)
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index dde2d25..ca74c11 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -791,9 +791,8 @@
pTcon = cifs_sb->tcon;
- /* cFYI(1,
- (" write %d bytes to offset %lld of %s", write_size,
- *poffset, file->f_dentry->d_name.name)); */
+ cFYI(1,(" write %d bytes to offset %lld of %s", write_size,
+ *poffset, file->f_dentry->d_name.name)); /* BB removeme BB */
if (file->private_data == NULL)
return -EBADF;
@@ -846,7 +845,21 @@
if (rc != 0)
break;
}
-
+#ifdef CIFS_EXPERIMENTAL
+ /* BB FIXME We can not sign across two buffers yet */
+ cERROR(1,("checking signing")); /* BB removeme BB */
+ if(pTcon->ses->server->secMode &
+ (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED) == 0)
+ rc = CIFSSMBWrite2(xid, pTcon,
+ open_file->netfid,
+ min_t(const int, cifs_sb->wsize,
+ write_size - total_written),
+ *poffset, &bytes_written,
+ write_data + total_written,
+ long_op);
+ } else
+ /* BB FIXME fixup indentation of line below */
+#endif
rc = CIFSSMBWrite(xid, pTcon,
open_file->netfid,
min_t(const int, cifs_sb->wsize,