[CIFS] Correct cifs tcp retry when some data sent before getting EAGAIN.
Continue implementation of cifs umount begin to allow force unmounts of
cifs mounts.
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index e3177a0..fd5eae3 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -407,9 +407,24 @@
static void cifs_umount_begin(struct super_block * sblock)
{
- cERROR(1,("kill all tasks now - umount begin not implemented yet"));
+ struct cifs_sb_info *cifs_sb;
-/* BB FIXME - finish BB */
+ cifs_sb = CIFS_SB(sb);
+ if(cifs_sb == NULL)
+ return -EIO;
+ if(cifs_sb->tcon == NULL)
+ return -EIO;
+ down(&tcon->tconSem);
+ if (atomic_read(&tcon->useCount) == 1)
+ tcon->tidStatus = CifsExiting;
+ up(&tcon->tconSem);
+
+ if((cifs->sb->tcon->ses) && (cifs_sb->tcon->ses->server))
+ {
+ cERROR(1,("wake up tasks now - umount begin not complete"));
+ wake_up_all(&server->request_q);
+ }
+/* BB FIXME - finish add checks for tidStatus BB */
return;
}