Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760081AbXERJVZ (ORCPT ); Fri, 18 May 2007 05:21:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755963AbXERJVA (ORCPT ); Fri, 18 May 2007 05:21:00 -0400 Received: from mailhub.sw.ru ([195.214.233.200]:3595 "EHLO relay.sw.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755885AbXERJU6 (ORCPT ); Fri, 18 May 2007 05:20:58 -0400 Message-ID: <464D70F1.7070706@sw.ru> Date: Fri, 18 May 2007 13:25:05 +0400 From: Pavel Emelianov User-Agent: Thunderbird 1.5 (X11/20060317) MIME-Version: 1.0 To: Andrew Morton CC: Linux Kernel Mailing List , dhowells@redhat.com, devel@openvz.org Subject: [PATCH 2/15] Make AFS use seq_list_xxx helpers References: <464D6E87.7060605@sw.ru> In-Reply-To: <464D6E87.7060605@sw.ru> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4760 Lines: 189 These proc files show some header before dumping the list, so the seq_list_start_head() is used. Signed-off-by: Pavel Emelianov --- diff --git a/fs/afs/proc.c b/fs/afs/proc.c index d5601f6..d5300e4 100644 --- a/fs/afs/proc.c +++ b/fs/afs/proc.c @@ -200,23 +200,9 @@ static int afs_proc_cells_open(struct in */ static void *afs_proc_cells_start(struct seq_file *m, loff_t *_pos) { - struct list_head *_p; - loff_t pos = *_pos; - /* lock the list against modification */ down_read(&afs_proc_cells_sem); - - /* allow for the header line */ - if (!pos) - return (void *) 1; - pos--; - - /* find the n'th element in the list */ - list_for_each(_p, &afs_proc_cells) - if (!pos--) - break; - - return _p != &afs_proc_cells ? _p : NULL; + return seq_list_start_head(&afs_proc_cells, *_pos); } /* @@ -224,14 +210,7 @@ static void *afs_proc_cells_start(struct */ static void *afs_proc_cells_next(struct seq_file *p, void *v, loff_t *pos) { - struct list_head *_p; - - (*pos)++; - - _p = v; - _p = v == (void *) 1 ? afs_proc_cells.next : _p->next; - - return _p != &afs_proc_cells ? _p : NULL; + return seq_list_next(v, &afs_proc_cells, pos); } /* @@ -249,7 +228,7 @@ static int afs_proc_cells_show(struct se { struct afs_cell *cell = list_entry(v, struct afs_cell, proc_link); - if (v == (void *) 1) { + if (v == &afs_proc_cells) { /* display header on line 1 */ seq_puts(m, "USE NAME\n"); return 0; @@ -502,26 +481,13 @@ static int afs_proc_cell_volumes_release */ static void *afs_proc_cell_volumes_start(struct seq_file *m, loff_t *_pos) { - struct list_head *_p; struct afs_cell *cell = m->private; - loff_t pos = *_pos; _enter("cell=%p pos=%Ld", cell, *_pos); /* lock the list against modification */ down_read(&cell->vl_sem); - - /* allow for the header line */ - if (!pos) - return (void *) 1; - pos--; - - /* find the n'th element in the list */ - list_for_each(_p, &cell->vl_list) - if (!pos--) - break; - - return _p != &cell->vl_list ? _p : NULL; + return seq_list_start_head(&cell->vl_list, *_pos); } /* @@ -530,17 +496,10 @@ static void *afs_proc_cell_volumes_start static void *afs_proc_cell_volumes_next(struct seq_file *p, void *v, loff_t *_pos) { - struct list_head *_p; struct afs_cell *cell = p->private; _enter("cell=%p pos=%Ld", cell, *_pos); - - (*_pos)++; - - _p = v; - _p = (v == (void *) 1) ? cell->vl_list.next : _p->next; - - return (_p != &cell->vl_list) ? _p : NULL; + return seq_list_next(v, &cell->vl_list, _pos); } /* @@ -568,11 +527,12 @@ const char afs_vlocation_states[][4] = { */ static int afs_proc_cell_volumes_show(struct seq_file *m, void *v) { + struct afs_cell *cell = m->private; struct afs_vlocation *vlocation = list_entry(v, struct afs_vlocation, link); /* display header on line 1 */ - if (v == (void *) 1) { + if (v == &cell->vl_list) { seq_puts(m, "USE STT VLID[0] VLID[1] VLID[2] NAME\n"); return 0; } @@ -733,26 +693,13 @@ static int afs_proc_cell_servers_release static void *afs_proc_cell_servers_start(struct seq_file *m, loff_t *_pos) __acquires(m->private->servers_lock) { - struct list_head *_p; struct afs_cell *cell = m->private; - loff_t pos = *_pos; _enter("cell=%p pos=%Ld", cell, *_pos); /* lock the list against modification */ read_lock(&cell->servers_lock); - - /* allow for the header line */ - if (!pos) - return (void *) 1; - pos--; - - /* find the n'th element in the list */ - list_for_each(_p, &cell->servers) - if (!pos--) - break; - - return _p != &cell->servers ? _p : NULL; + return seq_list_start_head(&cell->servers, *_pos); } /* @@ -761,17 +708,10 @@ static void *afs_proc_cell_servers_start static void *afs_proc_cell_servers_next(struct seq_file *p, void *v, loff_t *_pos) { - struct list_head *_p; struct afs_cell *cell = p->private; _enter("cell=%p pos=%Ld", cell, *_pos); - - (*_pos)++; - - _p = v; - _p = v == (void *) 1 ? cell->servers.next : _p->next; - - return _p != &cell->servers ? _p : NULL; + return seq_list_next(v, &cell->servers, _pos); } /* @@ -790,11 +730,12 @@ static void afs_proc_cell_servers_stop(s */ static int afs_proc_cell_servers_show(struct seq_file *m, void *v) { + struct afs_cell *cell = m->private; struct afs_server *server = list_entry(v, struct afs_server, link); char ipaddr[20]; /* display header on line 1 */ - if (v == (void *) 1) { + if (v == &cell->servers) { seq_puts(m, "USE ADDR STATE\n"); return 0; } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/