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-rw-r--r--fs/nfs/callback.c2
-rw-r--r--fs/nfs/client.c54
-rw-r--r--fs/nfs/super.c10
3 files changed, 14 insertions, 52 deletions
diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
index 75f309c8741..a796be5051b 100644
--- a/fs/nfs/callback.c
+++ b/fs/nfs/callback.c
@@ -14,6 +14,7 @@
#include <linux/sunrpc/svcsock.h>
#include <linux/nfs_fs.h>
#include <linux/mutex.h>
+#include <linux/freezer.h>
#include <net/inet_sock.h>
@@ -67,6 +68,7 @@ static void nfs_callback_svc(struct svc_rqst *rqstp)
daemonize("nfsv4-svc");
/* Process request with signals blocked, but allow SIGKILL. */
allow_signal(SIGKILL);
+ set_freezable();
complete(&nfs_callback_info.started);
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index ccb455053ee..a49f9feff77 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -1206,23 +1206,9 @@ static int nfs_server_list_open(struct inode *inode, struct file *file)
*/
static void *nfs_server_list_start(struct seq_file *m, loff_t *_pos)
{
- struct list_head *_p;
- loff_t pos = *_pos;
-
/* lock the list against modification */
spin_lock(&nfs_client_lock);
-
- /* allow for the header line */
- if (!pos)
- return SEQ_START_TOKEN;
- pos--;
-
- /* find the n'th element in the list */
- list_for_each(_p, &nfs_client_list)
- if (!pos--)
- break;
-
- return _p != &nfs_client_list ? _p : NULL;
+ return seq_list_start_head(&nfs_client_list, *_pos);
}
/*
@@ -1230,14 +1216,7 @@ static void *nfs_server_list_start(struct seq_file *m, loff_t *_pos)
*/
static void *nfs_server_list_next(struct seq_file *p, void *v, loff_t *pos)
{
- struct list_head *_p;
-
- (*pos)++;
-
- _p = v;
- _p = (v == SEQ_START_TOKEN) ? nfs_client_list.next : _p->next;
-
- return _p != &nfs_client_list ? _p : NULL;
+ return seq_list_next(v, &nfs_client_list, pos);
}
/*
@@ -1256,7 +1235,7 @@ static int nfs_server_list_show(struct seq_file *m, void *v)
struct nfs_client *clp;
/* display header on line 1 */
- if (v == SEQ_START_TOKEN) {
+ if (v == &nfs_client_list) {
seq_puts(m, "NV SERVER PORT USE HOSTNAME\n");
return 0;
}
@@ -1297,23 +1276,9 @@ static int nfs_volume_list_open(struct inode *inode, struct file *file)
*/
static void *nfs_volume_list_start(struct seq_file *m, loff_t *_pos)
{
- struct list_head *_p;
- loff_t pos = *_pos;
-
/* lock the list against modification */
spin_lock(&nfs_client_lock);
-
- /* allow for the header line */
- if (!pos)
- return SEQ_START_TOKEN;
- pos--;
-
- /* find the n'th element in the list */
- list_for_each(_p, &nfs_volume_list)
- if (!pos--)
- break;
-
- return _p != &nfs_volume_list ? _p : NULL;
+ return seq_list_start_head(&nfs_volume_list, *_pos);
}
/*
@@ -1321,14 +1286,7 @@ static void *nfs_volume_list_start(struct seq_file *m, loff_t *_pos)
*/
static void *nfs_volume_list_next(struct seq_file *p, void *v, loff_t *pos)
{
- struct list_head *_p;
-
- (*pos)++;
-
- _p = v;
- _p = (v == SEQ_START_TOKEN) ? nfs_volume_list.next : _p->next;
-
- return _p != &nfs_volume_list ? _p : NULL;
+ return seq_list_next(v, &nfs_volume_list, pos);
}
/*
@@ -1349,7 +1307,7 @@ static int nfs_volume_list_show(struct seq_file *m, void *v)
char dev[8], fsid[17];
/* display header on line 1 */
- if (v == SEQ_START_TOKEN) {
+ if (v == &nfs_volume_list) {
seq_puts(m, "NV SERVER PORT DEV FSID\n");
return 0;
}
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index a2b1af89ca1..adffe1615c5 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -300,7 +300,10 @@ static const struct super_operations nfs4_sops = {
};
#endif
-static struct shrinker *acl_shrinker;
+static struct shrinker acl_shrinker = {
+ .shrink = nfs_access_cache_shrinker,
+ .seeks = DEFAULT_SEEKS,
+};
/*
* Register the NFS filesystems
@@ -321,7 +324,7 @@ int __init register_nfs_fs(void)
if (ret < 0)
goto error_2;
#endif
- acl_shrinker = set_shrinker(DEFAULT_SEEKS, nfs_access_cache_shrinker);
+ register_shrinker(&acl_shrinker);
return 0;
#ifdef CONFIG_NFS_V4
@@ -339,8 +342,7 @@ error_0:
*/
void __exit unregister_nfs_fs(void)
{
- if (acl_shrinker != NULL)
- remove_shrinker(acl_shrinker);
+ unregister_shrinker(&acl_shrinker);
#ifdef CONFIG_NFS_V4
unregister_filesystem(&nfs4_fs_type);
nfs_unregister_sysctl();