Re: [PATCH 12/15] Make NFS client use seq_list_xxx helpers
On Fri, 2007-05-18 at 14:04 +0400, Pavel Emelianov wrote:
> 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 <[EMAIL PROTECTED]>
Acked-by: Trond Myklebust <[EMAIL PROTECTED]>
>
> ---
>
> diff --git a/fs/nfs/client.c b/fs/nfs/client.c
> index 50c6821..10355ec 100644
> --- a/fs/nfs/client.c
> +++ b/fs/nfs/client.c
> @@ -1232,23 +1232,9 @@ static int nfs_server_list_open(struct i
> */
> 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(_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, _client_list)
> - if (!pos--)
> - break;
> -
> - return _p != _client_list ? _p : NULL;
> + return seq_list_start_head(_client_list, *_pos);
> }
>
> /*
> @@ -1256,14 +1242,7 @@ static void *nfs_server_list_start(struc
> */
> 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 != _client_list ? _p : NULL;
> + return seq_list_next(v, _client_list, pos);
> }
>
> /*
> @@ -1282,7 +1261,7 @@ static int nfs_server_list_show(struct s
> struct nfs_client *clp;
>
> /* display header on line 1 */
> - if (v == SEQ_START_TOKEN) {
> + if (v == _client_list) {
> seq_puts(m, "NV SERVER PORT USE HOSTNAME\n");
> return 0;
> }
> @@ -1323,23 +1302,9 @@ static int nfs_volume_list_open(struct i
> */
> 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(_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, _volume_list)
> - if (!pos--)
> - break;
> -
> - return _p != _volume_list ? _p : NULL;
> + return seq_list_start_head(_volume_list, *_pos);
> }
>
> /*
> @@ -1347,14 +1312,7 @@ static void *nfs_volume_list_start(struc
> */
> 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 != _volume_list ? _p : NULL;
> + return seq_list_next(v, _volume_list, pos);
> }
>
> /*
> @@ -1375,7 +1333,7 @@ static int nfs_volume_list_show(struct s
> char dev[8], fsid[17];
>
> /* display header on line 1 */
> - if (v == SEQ_START_TOKEN) {
> + if (v == _volume_list) {
> seq_puts(m, "NV SERVER PORT DEV FSID\n");
> return 0;
> }
>
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 12/15] Make NFS client use seq_list_xxx helpers
On Fri, 2007-05-18 at 14:04 +0400, Pavel Emelianov wrote:
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 [EMAIL PROTECTED]
Acked-by: Trond Myklebust [EMAIL PROTECTED]
---
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 50c6821..10355ec 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -1232,23 +1232,9 @@ static int nfs_server_list_open(struct i
*/
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);
}
/*
@@ -1256,14 +1242,7 @@ static void *nfs_server_list_start(struc
*/
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);
}
/*
@@ -1282,7 +1261,7 @@ static int nfs_server_list_show(struct s
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;
}
@@ -1323,23 +1302,9 @@ static int nfs_volume_list_open(struct i
*/
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);
}
/*
@@ -1347,14 +1312,7 @@ static void *nfs_volume_list_start(struc
*/
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);
}
/*
@@ -1375,7 +1333,7 @@ static int nfs_volume_list_show(struct s
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;
}
-
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
