tree c41b5e4634d278a0543c73de76fbbb5c45537cdc
parent b32b9ed493f938e191f790a0991d20b18b38c35b
author Chuck Lever <chuck.lever@oracle.com> 1578070337 -0500
committer Anna Schumaker <Anna.Schumaker@Netapp.com> 1579026624 -0500

xprtrdma: Fix completion wait during device removal

I've found that on occasion, "rmmod <dev>" will hang while if an NFS
is under load.

Ensure that ri_remove_done is initialized only just before the
transport is woken up to force a close. This avoids the completion
possibly getting initialized again while the CM event handler is
waiting for a wake-up.

Fixes: bebd031866ca ("xprtrdma: Support unplugging an HCA from under an NFS mount")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>