[LU-327] port bug18896 to master(replay-single test_61d: @@@@@@ FAIL: cannot restart mds on Cray xt3)

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.1.0
• Affects Version/s: Lustre 1.8.6
• Severity: 3
• Bugzilla ID: 18,896
• Assignee: Hongchao Zhang
• Reporter: Hongchao Zhang

Description

for mgc, it doesn't cleanup its obd_import if it setup the import but never connect, should add cleanup code in mgc_precleanup just like mdc_precleanup

/* client import will not have been cleaned. */
cfs_down_write(&obd->u.cli.cl_sem);
if (obd->u.cli.cl_import)

{ struct obd_import *imp; imp = obd->u.cli.cl_import; CERROR("client import never connected\n"); class_destroy_import(imp); obd->u.cli.cl_import = NULL; }

cfs_up_write(&obd->u.cli.cl_sem);