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Message-ID: <152707782047.27887.15439187207028313024.stgit@warthog.procyon.org.uk>
Date: Wed, 23 May 2018 13:17:00 +0100
From: David Howells <dhowells@...hat.com>
To: viro@...iv.linux.org.uk
Cc: dhowells@...hat.com, linux-fsdevel@...r.kernel.org,
linux-afs@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/8] afs: Rearrange fs/afs/proc.c to move the show routines
up
Rearrange fs/afs/proc.c to move the show routines up to the top of each
block so the order is show, iteration, ops, file ops, fops.
Signed-off-by: David Howells <dhowells@...hat.com>
---
fs/afs/proc.c | 150 +++++++++++++++++++++++++++++----------------------------
1 file changed, 75 insertions(+), 75 deletions(-)
diff --git a/fs/afs/proc.c b/fs/afs/proc.c
index 22ce99df3208..b20098b7b7ee 100644
--- a/fs/afs/proc.c
+++ b/fs/afs/proc.c
@@ -91,6 +91,25 @@ static const struct seq_operations afs_proc_sysname_ops = {
.show = afs_proc_sysname_show,
};
+/*
+ * display a header line followed by a load of cell lines
+ */
+static int afs_proc_cells_show(struct seq_file *m, void *v)
+{
+ struct afs_cell *cell = list_entry(v, struct afs_cell, proc_link);
+ struct afs_net *net = afs_seq2net(m);
+
+ if (v == &net->proc_cells) {
+ /* display header on line 1 */
+ seq_puts(m, "USE NAME\n");
+ return 0;
+ }
+
+ /* display one cell per line on subsequent lines */
+ seq_printf(m, "%3u %s\n", atomic_read(&cell->usage), cell->name);
+ return 0;
+}
+
/*
* set up the iterator to start reading from the cells list and return the
* first item
@@ -123,25 +142,6 @@ static void afs_proc_cells_stop(struct seq_file *m, void *v)
rcu_read_unlock();
}
-/*
- * display a header line followed by a load of cell lines
- */
-static int afs_proc_cells_show(struct seq_file *m, void *v)
-{
- struct afs_cell *cell = list_entry(v, struct afs_cell, proc_link);
- struct afs_net *net = afs_seq2net(m);
-
- if (v == &net->proc_cells) {
- /* display header on line 1 */
- seq_puts(m, "USE NAME\n");
- return 0;
- }
-
- /* display one cell per line on subsequent lines */
- seq_printf(m, "%3u %s\n", atomic_read(&cell->usage), cell->name);
- return 0;
-}
-
/*
* handle writes to /proc/fs/afs/cells
* - to add cells: echo "add <cellname> <IP>[:<IP>][:<IP>]"
@@ -319,6 +319,33 @@ static const struct file_operations afs_proc_rootcell_fops = {
.llseek = no_llseek,
};
+static const char afs_vol_types[3][3] = {
+ [AFSVL_RWVOL] = "RW",
+ [AFSVL_ROVOL] = "RO",
+ [AFSVL_BACKVOL] = "BK",
+};
+
+/*
+ * display a header line followed by a load of volume lines
+ */
+static int afs_proc_cell_volumes_show(struct seq_file *m, void *v)
+{
+ struct afs_cell *cell = PDE_DATA(file_inode(m->file));
+ struct afs_volume *vol = list_entry(v, struct afs_volume, proc_link);
+
+ /* Display header on line 1 */
+ if (v == &cell->proc_volumes) {
+ seq_puts(m, "USE VID TY\n");
+ return 0;
+ }
+
+ seq_printf(m, "%3d %08x %s\n",
+ atomic_read(&vol->usage), vol->vid,
+ afs_vol_types[vol->type]);
+
+ return 0;
+}
+
/*
* set up the iterator to start reading from the cells list and return the
* first item
@@ -357,30 +384,21 @@ static void afs_proc_cell_volumes_stop(struct seq_file *p, void *v)
read_unlock(&cell->proc_lock);
}
-static const char afs_vol_types[3][3] = {
- [AFSVL_RWVOL] = "RW",
- [AFSVL_ROVOL] = "RO",
- [AFSVL_BACKVOL] = "BK",
-};
-
/*
* display a header line followed by a load of volume lines
*/
-static int afs_proc_cell_volumes_show(struct seq_file *m, void *v)
+static int afs_proc_cell_vlservers_show(struct seq_file *m, void *v)
{
- struct afs_cell *cell = PDE_DATA(file_inode(m->file));
- struct afs_volume *vol = list_entry(v, struct afs_volume, proc_link);
+ struct sockaddr_rxrpc *addr = v;
- /* Display header on line 1 */
- if (v == &cell->proc_volumes) {
- seq_puts(m, "USE VID TY\n");
+ /* display header on line 1 */
+ if (v == (void *)1) {
+ seq_puts(m, "ADDRESS\n");
return 0;
}
- seq_printf(m, "%3d %08x %s\n",
- atomic_read(&vol->usage), vol->vid,
- afs_vol_types[vol->type]);
-
+ /* display one cell per line on subsequent lines */
+ seq_printf(m, "%pISp\n", &addr->transport);
return 0;
}
@@ -442,18 +460,22 @@ static void afs_proc_cell_vlservers_stop(struct seq_file *p, void *v)
/*
* display a header line followed by a load of volume lines
*/
-static int afs_proc_cell_vlservers_show(struct seq_file *m, void *v)
+static int afs_proc_servers_show(struct seq_file *m, void *v)
{
- struct sockaddr_rxrpc *addr = v;
+ struct afs_server *server;
+ struct afs_addr_list *alist;
- /* display header on line 1 */
- if (v == (void *)1) {
- seq_puts(m, "ADDRESS\n");
+ if (v == SEQ_START_TOKEN) {
+ seq_puts(m, "UUID USE ADDR\n");
return 0;
}
- /* display one cell per line on subsequent lines */
- seq_printf(m, "%pISp\n", &addr->transport);
+ server = list_entry(v, struct afs_server, proc_link);
+ alist = rcu_dereference(server->addresses);
+ seq_printf(m, "%pU %3d %pISp\n",
+ &server->uuid,
+ atomic_read(&server->usage),
+ &alist->addrs[alist->index].transport);
return 0;
}
@@ -489,28 +511,6 @@ static void afs_proc_servers_stop(struct seq_file *p, void *v)
rcu_read_unlock();
}
-/*
- * display a header line followed by a load of volume lines
- */
-static int afs_proc_servers_show(struct seq_file *m, void *v)
-{
- struct afs_server *server;
- struct afs_addr_list *alist;
-
- if (v == SEQ_START_TOKEN) {
- seq_puts(m, "UUID USE ADDR\n");
- return 0;
- }
-
- server = list_entry(v, struct afs_server, proc_link);
- alist = rcu_dereference(server->addresses);
- seq_printf(m, "%pU %3d %pISp\n",
- &server->uuid,
- atomic_read(&server->usage),
- &alist->addrs[alist->index].transport);
- return 0;
-}
-
void afs_put_sysnames(struct afs_sysnames *sysnames)
{
int i;
@@ -663,6 +663,17 @@ static int afs_proc_sysname_release(struct inode *inode, struct file *file)
return seq_release(inode, file);
}
+static int afs_proc_sysname_show(struct seq_file *m, void *v)
+{
+ struct afs_net *net = afs_seq2net(m);
+ struct afs_sysnames *sysnames = net->sysnames;
+ unsigned int i = (unsigned long)v - 1;
+
+ if (i < sysnames->nr)
+ seq_printf(m, "%s\n", sysnames->subs[i]);
+ return 0;
+}
+
static void *afs_proc_sysname_start(struct seq_file *m, loff_t *pos)
__acquires(&net->sysnames_lock)
{
@@ -695,17 +706,6 @@ static void afs_proc_sysname_stop(struct seq_file *m, void *v)
read_unlock(&net->sysnames_lock);
}
-static int afs_proc_sysname_show(struct seq_file *m, void *v)
-{
- struct afs_net *net = afs_seq2net(m);
- struct afs_sysnames *sysnames = net->sysnames;
- unsigned int i = (unsigned long)v - 1;
-
- if (i < sysnames->nr)
- seq_printf(m, "%s\n", sysnames->subs[i]);
- return 0;
-}
-
static const struct file_operations afs_proc_sysname_fops = {
.open = afs_proc_sysname_open,
.read = seq_read,
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