CIFS: Fix mounts if the client is low on credits
authorPavel Shilovsky <pshilov@microsoft.com>
Wed, 16 Jan 2019 19:48:42 +0000 (11:48 -0800)
committerSteve French <stfrench@microsoft.com>
Thu, 24 Jan 2019 20:52:06 +0000 (14:52 -0600)
commit6a9cbdd1ceca1dc2359ddf082efe61b97c3e752b
tree50e009bad1b6d8cce27aa1ee1fc8088a67951be1
parent0fd1d37b0501efc6e295f56ab55cdaff784aa50c
CIFS: Fix mounts if the client is low on credits

If the server doesn't grant us at least 3 credits during the mount
we won't be able to complete it because query path info operation
requires 3 credits. Use the cached file handle if possible to allow
the mount to succeed.

Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
fs/cifs/smb2inode.c