[CIFS] cifs_prepare_write was incorrectly rereading page in some cases

Noticed by Shaggy.

Signed-off-by: Shaggy <shaggy@us.ibm.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES
index e08a147c09e1..6247628bdaed 100644
--- a/fs/cifs/CHANGES
+++ b/fs/cifs/CHANGES
@@ -2,8 +2,9 @@ Verison 1.48
 ------------
 Fix mtime bouncing around from local idea of last write times to remote time.
 Fix hang (in i_size_read) when simultaneous size update of same remote file
-on smp system corrupts sequence number.
- 
+on smp system corrupts sequence number. Do not reread unnecessarily partial page
+(which we are about to overwrite anyway) when writing out file opened rw.
+
 Version 1.47
 ------------
 Fix oops in list_del during mount caused by unaligned string.