Ronnie Sahlberg 5455b9ecaf cifs: serialize all mount attempts ...

RHBZ: 2008434

Some servers, such as Windows2016 have a very low number of concurrent mounts that
they allow from each client.
This can be a problem if you have a more than a handful (==3 in this case)
of cifs entries in your fstab and cause a number of the mounts there to randomly fail.

Add a global mutex and use it to serialize all mount attempts.

Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

2022-01-18 00:10:03 -06:00

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