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cifs: Replace SendReceiveBlockingLock() with SendReceive() plus flags

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Replace the smb1 transport's SendReceiveBlockingLock() with SendReceive()
plus a couple of flags.  This will then allow that to pick up the transport
changes there.

The first flag, CIFS_INTERRUPTIBLE_WAIT, is added to indicate that the wait
should be interruptible and the second, CIFS_WINDOWS_LOCK, indicates that
we need to send a Lock command with unlock type rather than a Cancel.

send_lock_cancel() is then called from cifs_lock_cancel() which is called
from the main transport loop in compound_send_recv().

[!] I *think* the error code handling is probably right.

Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Paulo Alcantara (Red Hat) <pc@manguebit.org>
cc: Shyam Prasad N <sprasad@microsoft.com>
cc: Tom Talpey <tom@talpey.com>
cc: linux-cifs@vger.kernel.org
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
David Howells 2025-08-05 14:16:28 +01:00 • committed by Steve French
commit 28405cb5b2
6 changed files with 79 additions and 216 deletions
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