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iscsi: add a cleanup utility function

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Added a utility function for the cleanup related operations.

Change-Id: I4e49dd9c2da899a5bda289bc36778b636af9c5df
Signed-off-by: GangCao <gang.cao@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/456599
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
GangCao 2019-06-03 18:24:48 -04:00 committed by Jim Harris
parent 0668025839
commit 9a73633190
1 changed files with 18 additions and 24 deletions
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42
lib/iscsi/conn.c
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@ -114,6 +114,22 @@ find_iscsi_connection_by_id(int cid)
}
}
static void
_iscsi_conns_cleanup(void)
{
if (g_conns_array != MAP_FAILED) {
munmap(g_conns_array, sizeof(struct spdk_iscsi_conn) *
MAX_ISCSI_CONNECTIONS);
g_conns_array = MAP_FAILED;
}
if (g_conns_array_fd >= 0) {
close(g_conns_array_fd);
g_conns_array_fd = -1;
shm_unlink(g_shm_name);
}
}
int spdk_initialize_iscsi_conns(void)
{
size_t conns_size = sizeof(struct spdk_iscsi_conn) * MAX_ISCSI_CONNECTIONS;
@ -149,16 +165,7 @@ int spdk_initialize_iscsi_conns(void)
return 0;
err:
if (g_conns_array != MAP_FAILED) {
munmap(g_conns_array, conns_size);
g_conns_array = MAP_FAILED;
}
if (g_conns_array_fd >= 0) {
close(g_conns_array_fd);
g_conns_array_fd = -1;
shm_unlink(g_shm_name);
}
_iscsi_conns_cleanup();
return -1;
}
@ -552,23 +559,10 @@ spdk_iscsi_get_active_conns(struct spdk_iscsi_tgt_node *target)
return num;
}
static void
iscsi_conns_cleanup(void)
{
munmap(g_conns_array, sizeof(struct spdk_iscsi_conn) *
MAX_ISCSI_CONNECTIONS);
g_conns_array = MAP_FAILED;
shm_unlink(g_shm_name);
if (g_conns_array_fd >= 0) {
close(g_conns_array_fd);
g_conns_array_fd = -1;
}
}
static void
iscsi_conn_check_shutdown_cb(void *arg1)
{
iscsi_conns_cleanup();
_iscsi_conns_cleanup();
spdk_shutdown_iscsi_conns_done();
}