CIFS: Fix rsize usage for sync read
authorPavel Shilovsky <pshilovsky@samba.org>
Wed, 25 Jun 2014 12:19:02 +0000 (16:19 +0400)
committerSteve French <smfrench@gmail.com>
Sat, 2 Aug 2014 06:23:03 +0000 (01:23 -0500)
commite374d90f8a7693f24635bca9e5d56f3775bb36e2
tree5be53f15accc65ab4ea25ccc8823540ad6c7aa3f
parent25f402598d2c8f0808d93715ad33e43b265c1604
CIFS: Fix rsize usage for sync read

If a server changes maximum buffer size for read requests (rsize)
on reconnect we can fail on repeating with a big size buffer on
-EAGAIN error in cifs_read. Fix this by checking rsize all the
time before repeating requests.

Reviewed-by: Shirish Pargaonkar <spargaonkar@suse.com>
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
fs/cifs/file.c