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Make NFS client use seq_list_xxx helpers 

This includes /proc/fs/nfsfs/servers and /proc/fs/nfsfs/volumes entries.

Both need to show the header and use the list_head.

Signed-off-by: Pavel Emelianov <xemul@openvz.org>
Acked-by: Trond Myklebust <trond.myklebust@fys.uio.no>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
wifi-calibration
Pavel Emelianov 2007-07-15 23:39:56 -07:00 committed by Linus Torvalds
parent b0765fb857
commit 259902ea95
1 changed files with 6 additions and 48 deletions
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54
fs/nfs/client.c
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@ -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;
}