cifs: detect dead connections only when echoes are enabled.

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We can detect server unresponsiveness only if echoes are enabled.
Echoes can be disabled under two scenarios:
1. The connection is low on credits, so we've disabled echoes/oplocks.
2. The connection has not seen any request till now (other than
negotiate/sess-setup), which is when we enable these two, based on
the credits available.

So this fix will check for dead connection, only when echo is enabled.

Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
CC: <stable@vger.kernel.org> # v5.8+
Signed-off-by: Steve French <stfrench@microsoft.com>

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Shyam Prasad N 2021-04-29 07:53:18 +00:00 • committed by Steve French

parent 7ba3d1cdb7

commit f4916649f9

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fs/cifs/connect.c

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