summaryrefslogtreecommitdiff
path: root/fs/dlm
diff options
context:
space:
mode:
Diffstat (limited to 'fs/dlm')
-rw-r--r--fs/dlm/ast.c2
-rw-r--r--fs/dlm/config.c2
-rw-r--r--fs/dlm/debug_fs.c2
-rw-r--r--fs/dlm/dlm_internal.h3
-rw-r--r--fs/dlm/lock.c5
-rw-r--r--fs/dlm/lockspace.c2
-rw-r--r--fs/dlm/lowcomms.c28
-rw-r--r--fs/dlm/main.c2
-rw-r--r--fs/dlm/netlink.c18
-rw-r--r--fs/dlm/user.c1
10 files changed, 35 insertions, 30 deletions
diff --git a/fs/dlm/ast.c b/fs/dlm/ast.c
index dcea1e37a1b7..07fed838d8fd 100644
--- a/fs/dlm/ast.c
+++ b/fs/dlm/ast.c
@@ -268,7 +268,7 @@ void dlm_callback_work(struct work_struct *work)
int dlm_callback_start(struct dlm_ls *ls)
{
ls->ls_callback_wq = alloc_workqueue("dlm_callback",
- WQ_UNBOUND | WQ_MEM_RECLAIM, 0);
+ WQ_HIGHPRI | WQ_MEM_RECLAIM, 0);
if (!ls->ls_callback_wq) {
log_print("can't start dlm_callback workqueue");
return -ENOMEM;
diff --git a/fs/dlm/config.c b/fs/dlm/config.c
index df955d2209ce..7211e826d90d 100644
--- a/fs/dlm/config.c
+++ b/fs/dlm/config.c
@@ -12,7 +12,7 @@
******************************************************************************/
#include <linux/kernel.h>
-#include <linux/module.h>
+#include <linux/init.h>
#include <linux/configfs.h>
#include <linux/slab.h>
#include <linux/in.h>
diff --git a/fs/dlm/debug_fs.c b/fs/dlm/debug_fs.c
index 466f7d60edc2..ca7089aeadab 100644
--- a/fs/dlm/debug_fs.c
+++ b/fs/dlm/debug_fs.c
@@ -12,7 +12,7 @@
#include <linux/pagemap.h>
#include <linux/seq_file.h>
-#include <linux/module.h>
+#include <linux/init.h>
#include <linux/ctype.h>
#include <linux/debugfs.h>
#include <linux/slab.h>
diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h
index 216b61604ef9..748e8d59e611 100644
--- a/fs/dlm/dlm_internal.h
+++ b/fs/dlm/dlm_internal.h
@@ -18,7 +18,6 @@
* This is the main header file to be included in each DLM source file.
*/
-#include <linux/module.h>
#include <linux/slab.h>
#include <linux/sched.h>
#include <linux/types.h>
@@ -39,7 +38,7 @@
#include <linux/mutex.h>
#include <linux/idr.h>
#include <linux/ratelimit.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <linux/dlm.h>
#include "config.h"
diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index 35502d4046f5..6df332296c66 100644
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -1395,7 +1395,6 @@ static int nodeid_warned(int nodeid, int num_nodes, int *warned)
void dlm_scan_waiters(struct dlm_ls *ls)
{
struct dlm_lkb *lkb;
- ktime_t zero = ktime_set(0, 0);
s64 us;
s64 debug_maxus = 0;
u32 debug_scanned = 0;
@@ -1409,7 +1408,7 @@ void dlm_scan_waiters(struct dlm_ls *ls)
mutex_lock(&ls->ls_waiters_mutex);
list_for_each_entry(lkb, &ls->ls_waiters, lkb_wait_reply) {
- if (ktime_equal(lkb->lkb_wait_time, zero))
+ if (!lkb->lkb_wait_time)
continue;
debug_scanned++;
@@ -1419,7 +1418,7 @@ void dlm_scan_waiters(struct dlm_ls *ls)
if (us < dlm_config.ci_waitwarn_us)
continue;
- lkb->lkb_wait_time = zero;
+ lkb->lkb_wait_time = 0;
debug_expired++;
if (us > debug_maxus)
diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c
index f3e72787e7f9..91592b75c309 100644
--- a/fs/dlm/lockspace.c
+++ b/fs/dlm/lockspace.c
@@ -11,6 +11,8 @@
*******************************************************************************
******************************************************************************/
+#include <linux/module.h>
+
#include "dlm_internal.h"
#include "lockspace.h"
#include "member.h"
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 609998de533e..7d398d300e97 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -519,29 +519,25 @@ out:
/* Note: sk_callback_lock must be locked before calling this function. */
static void save_callbacks(struct connection *con, struct sock *sk)
{
- lock_sock(sk);
con->orig_data_ready = sk->sk_data_ready;
con->orig_state_change = sk->sk_state_change;
con->orig_write_space = sk->sk_write_space;
con->orig_error_report = sk->sk_error_report;
- release_sock(sk);
}
static void restore_callbacks(struct connection *con, struct sock *sk)
{
write_lock_bh(&sk->sk_callback_lock);
- lock_sock(sk);
sk->sk_user_data = NULL;
sk->sk_data_ready = con->orig_data_ready;
sk->sk_state_change = con->orig_state_change;
sk->sk_write_space = con->orig_write_space;
sk->sk_error_report = con->orig_error_report;
- release_sock(sk);
write_unlock_bh(&sk->sk_callback_lock);
}
/* Make a socket active */
-static void add_sock(struct socket *sock, struct connection *con)
+static void add_sock(struct socket *sock, struct connection *con, bool save_cb)
{
struct sock *sk = sock->sk;
@@ -549,7 +545,7 @@ static void add_sock(struct socket *sock, struct connection *con)
con->sock = sock;
sk->sk_user_data = con;
- if (!test_bit(CF_IS_OTHERCON, &con->flags))
+ if (save_cb)
save_callbacks(con, sk);
/* Install a data_ready callback */
sk->sk_data_ready = lowcomms_data_ready;
@@ -806,7 +802,7 @@ static int tcp_accept_from_sock(struct connection *con)
newcon->othercon = othercon;
othercon->sock = newsock;
newsock->sk->sk_user_data = othercon;
- add_sock(newsock, othercon);
+ add_sock(newsock, othercon, false);
addcon = othercon;
}
else {
@@ -819,7 +815,10 @@ static int tcp_accept_from_sock(struct connection *con)
else {
newsock->sk->sk_user_data = newcon;
newcon->rx_action = receive_from_sock;
- add_sock(newsock, newcon);
+ /* accept copies the sk after we've saved the callbacks, so we
+ don't want to save them a second time or comm errors will
+ result in calling sk_error_report recursively. */
+ add_sock(newsock, newcon, false);
addcon = newcon;
}
@@ -880,7 +879,8 @@ static int sctp_accept_from_sock(struct connection *con)
}
make_sockaddr(&prim.ssp_addr, 0, &addr_len);
- if (addr_to_nodeid(&prim.ssp_addr, &nodeid)) {
+ ret = addr_to_nodeid(&prim.ssp_addr, &nodeid);
+ if (ret) {
unsigned char *b = (unsigned char *)&prim.ssp_addr;
log_print("reject connect from unknown addr");
@@ -919,7 +919,7 @@ static int sctp_accept_from_sock(struct connection *con)
newcon->othercon = othercon;
othercon->sock = newsock;
newsock->sk->sk_user_data = othercon;
- add_sock(newsock, othercon);
+ add_sock(newsock, othercon, false);
addcon = othercon;
} else {
printk("Extra connection from node %d attempted\n", nodeid);
@@ -930,7 +930,7 @@ static int sctp_accept_from_sock(struct connection *con)
} else {
newsock->sk->sk_user_data = newcon;
newcon->rx_action = receive_from_sock;
- add_sock(newsock, newcon);
+ add_sock(newsock, newcon, false);
addcon = newcon;
}
@@ -1058,7 +1058,7 @@ static void sctp_connect_to_sock(struct connection *con)
sock->sk->sk_user_data = con;
con->rx_action = receive_from_sock;
con->connect_action = sctp_connect_to_sock;
- add_sock(sock, con);
+ add_sock(sock, con, true);
/* Bind to all addresses. */
if (sctp_bind_addrs(con, 0))
@@ -1146,7 +1146,7 @@ static void tcp_connect_to_sock(struct connection *con)
sock->sk->sk_user_data = con;
con->rx_action = receive_from_sock;
con->connect_action = tcp_connect_to_sock;
- add_sock(sock, con);
+ add_sock(sock, con, true);
/* Bind to our cluster-known address connecting to avoid
routing problems */
@@ -1366,7 +1366,7 @@ static int tcp_listen_for_all(void)
sock = tcp_create_listen_sock(con, dlm_local_addr[0]);
if (sock) {
- add_sock(sock, con);
+ add_sock(sock, con, true);
result = 0;
}
else {
diff --git a/fs/dlm/main.c b/fs/dlm/main.c
index 079c0bd71ab7..8e1b618891be 100644
--- a/fs/dlm/main.c
+++ b/fs/dlm/main.c
@@ -11,6 +11,8 @@
*******************************************************************************
******************************************************************************/
+#include <linux/module.h>
+
#include "dlm_internal.h"
#include "lockspace.h"
#include "lock.h"
diff --git a/fs/dlm/netlink.c b/fs/dlm/netlink.c
index 1e6e227134d7..43a96c330570 100644
--- a/fs/dlm/netlink.c
+++ b/fs/dlm/netlink.c
@@ -16,11 +16,7 @@
static uint32_t dlm_nl_seqnum;
static uint32_t listener_nlportid;
-static struct genl_family family = {
- .id = GENL_ID_GENERATE,
- .name = DLM_GENL_NAME,
- .version = DLM_GENL_VERSION,
-};
+static struct genl_family family;
static int prepare_data(u8 cmd, struct sk_buff **skbp, size_t size)
{
@@ -69,16 +65,24 @@ static int user_cmd(struct sk_buff *skb, struct genl_info *info)
return 0;
}
-static struct genl_ops dlm_nl_ops[] = {
+static const struct genl_ops dlm_nl_ops[] = {
{
.cmd = DLM_CMD_HELLO,
.doit = user_cmd,
},
};
+static struct genl_family family __ro_after_init = {
+ .name = DLM_GENL_NAME,
+ .version = DLM_GENL_VERSION,
+ .ops = dlm_nl_ops,
+ .n_ops = ARRAY_SIZE(dlm_nl_ops),
+ .module = THIS_MODULE,
+};
+
int __init dlm_netlink_init(void)
{
- return genl_register_family_with_ops(&family, dlm_nl_ops);
+ return genl_register_family(&family);
}
void dlm_netlink_exit(void)
diff --git a/fs/dlm/user.c b/fs/dlm/user.c
index 58c2f4a21b7f..1ce908c2232c 100644
--- a/fs/dlm/user.c
+++ b/fs/dlm/user.c
@@ -9,7 +9,6 @@
#include <linux/miscdevice.h>
#include <linux/init.h>
#include <linux/wait.h>
-#include <linux/module.h>
#include <linux/file.h>
#include <linux/fs.h>
#include <linux/poll.h>
generated by cgit v1.2.3 (git 2.39.0) at 2024-09-16 23:22:31 +0300