diff options
| author | Brian King <brking@linux.vnet.ibm.com> | 2016-09-19 08:59:19 -0500 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2017-02-23 03:54:01 +0000 |
| commit | 89376f3f174b005550e4a329d4a50c9e662c9ed9 (patch) | |
| tree | fd78d8850fc5277a495aba8a5d4a7d80ee5e25b2 /include/linux/kthread.h | |
| parent | 73a5c7e718ea64a6838ff72321d386f93924dfcb (diff) | |
scsi: ibmvfc: Fix I/O hang when port is not mapped
commit 07d0e9a847401ffd2f09bd450d41644cd090e81d upstream.
If a VFC port gets unmapped in the VIOS, it may not respond with a CRQ
init complete following H_REG_CRQ. If this occurs, we can end up having
called scsi_block_requests and not a resulting unblock until the init
complete happens, which may never occur, and we end up hanging I/O
requests. This patch ensures the host action stay set to
IBMVFC_HOST_ACTION_TGT_DEL so we move all rports into devloss state and
unblock unless we receive an init complete.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Acked-by: Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'include/linux/kthread.h')
0 files changed, 0 insertions, 0 deletions