d/numam-spdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

iSCSI: set a connection to EXISTING STATE in condition

Browse Source 
If the connection is already in exiting or exited
status, we should not set it again. And this
could prevent the coredump.

Change-Id: Ia506d13b12c3a6cb5619d65e4b3353b149a85947
Signed-off-by: Ziye Yang <optimistyzy@gmail.com>
Reviewed-on: https://review.gerrithub.io/421668
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
Ziye Yang 2018-08-09 09:36:20 +08:00 committed by Jim Harris
parent a257328d69
commit 1ba87aba31
1 changed files with 14 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
lib/iscsi/conn.c
View File

@ -690,7 +690,13 @@ void spdk_shutdown_iscsi_conns(void)
if (conn == NULL) {
continue;
}
conn->state = ISCSI_CONN_STATE_EXITING;
/* Do not set conn->state if the connection has already started exiting.
* This ensures we do not move a connection from EXITED state back to EXITING.
*/
if (conn->state < ISCSI_CONN_STATE_EXITING) {
conn->state = ISCSI_CONN_STATE_EXITING;
}
}
pthread_mutex_unlock(&g_conns_mutex);
@ -749,7 +755,13 @@ spdk_iscsi_drop_conns(struct spdk_iscsi_conn *conn, const char *conn_match,
}
SPDK_DEBUGLOG(SPDK_LOG_ISCSI, "CID=%u\n", xconn->cid);
xconn->state = ISCSI_CONN_STATE_EXITING;
/* Do not set xconn->state if the connection has already started exiting.
* This ensures we do not move a connection from EXITED state back to EXITING.
*/
if (xconn->state < ISCSI_CONN_STATE_EXITING) {
xconn->state = ISCSI_CONN_STATE_EXITING;
}
num++;
}
}