#include <linux/module.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
-#include "cell.h"
-#include "volume.h"
+#include <linux/sched.h>
#include <asm/uaccess.h>
#include "internal.h"
static ssize_t afs_proc_cells_write(struct file *file, const char __user *buf,
size_t size, loff_t *_pos);
-static struct seq_operations afs_proc_cells_ops = {
+static const struct seq_operations afs_proc_cells_ops = {
.start = afs_proc_cells_start,
.next = afs_proc_cells_next,
.stop = afs_proc_cells_stop,
.write = afs_proc_cells_write,
.llseek = seq_lseek,
.release = seq_release,
+ .owner = THIS_MODULE,
};
static int afs_proc_rootcell_open(struct inode *inode, struct file *file);
.read = afs_proc_rootcell_read,
.write = afs_proc_rootcell_write,
.llseek = no_llseek,
- .release = afs_proc_rootcell_release
+ .release = afs_proc_rootcell_release,
+ .owner = THIS_MODULE,
};
static int afs_proc_cell_volumes_open(struct inode *inode, struct file *file);
static void afs_proc_cell_volumes_stop(struct seq_file *p, void *v);
static int afs_proc_cell_volumes_show(struct seq_file *m, void *v);
-static struct seq_operations afs_proc_cell_volumes_ops = {
+static const struct seq_operations afs_proc_cell_volumes_ops = {
.start = afs_proc_cell_volumes_start,
.next = afs_proc_cell_volumes_next,
.stop = afs_proc_cell_volumes_stop,
.read = seq_read,
.llseek = seq_lseek,
.release = afs_proc_cell_volumes_release,
+ .owner = THIS_MODULE,
};
static int afs_proc_cell_vlservers_open(struct inode *inode,
static void afs_proc_cell_vlservers_stop(struct seq_file *p, void *v);
static int afs_proc_cell_vlservers_show(struct seq_file *m, void *v);
-static struct seq_operations afs_proc_cell_vlservers_ops = {
+static const struct seq_operations afs_proc_cell_vlservers_ops = {
.start = afs_proc_cell_vlservers_start,
.next = afs_proc_cell_vlservers_next,
.stop = afs_proc_cell_vlservers_stop,
.read = seq_read,
.llseek = seq_lseek,
.release = afs_proc_cell_vlservers_release,
+ .owner = THIS_MODULE,
};
static int afs_proc_cell_servers_open(struct inode *inode, struct file *file);
static void afs_proc_cell_servers_stop(struct seq_file *p, void *v);
static int afs_proc_cell_servers_show(struct seq_file *m, void *v);
-static struct seq_operations afs_proc_cell_servers_ops = {
+static const struct seq_operations afs_proc_cell_servers_ops = {
.start = afs_proc_cell_servers_start,
.next = afs_proc_cell_servers_next,
.stop = afs_proc_cell_servers_stop,
.read = seq_read,
.llseek = seq_lseek,
.release = afs_proc_cell_servers_release,
+ .owner = THIS_MODULE,
};
/*
proc_afs = proc_mkdir("fs/afs", NULL);
if (!proc_afs)
goto error_dir;
- proc_afs->owner = THIS_MODULE;
- p = create_proc_entry("cells", 0, proc_afs);
+ p = proc_create("cells", 0, proc_afs, &afs_proc_cells_fops);
if (!p)
goto error_cells;
- p->proc_fops = &afs_proc_cells_fops;
- p->owner = THIS_MODULE;
- p = create_proc_entry("rootcell", 0, proc_afs);
+ p = proc_create("rootcell", 0, proc_afs, &afs_proc_rootcell_fops);
if (!p)
goto error_rootcell;
- p->proc_fops = &afs_proc_rootcell_fops;
- p->owner = THIS_MODULE;
_leave(" = 0");
return 0;
*/
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);
}
/*
*/
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);
}
/*
{
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;
if (strcmp(kbuf, "add") == 0) {
struct afs_cell *cell;
- ret = afs_cell_create(name, args, &cell);
- if (ret < 0)
+
+ cell = afs_cell_create(name, args);
+ if (IS_ERR(cell)) {
+ ret = PTR_ERR(cell);
goto done;
+ }
+ afs_put_cell(cell);
printk("kAFS: Added new cell '%s'\n", name);
} else {
goto inval;
if (!cell->proc_dir)
goto error_dir;
- p = create_proc_entry("servers", 0, cell->proc_dir);
+ p = proc_create_data("servers", 0, cell->proc_dir,
+ &afs_proc_cell_servers_fops, cell);
if (!p)
goto error_servers;
- p->proc_fops = &afs_proc_cell_servers_fops;
- p->owner = THIS_MODULE;
- p->data = cell;
- p = create_proc_entry("vlservers", 0, cell->proc_dir);
+ p = proc_create_data("vlservers", 0, cell->proc_dir,
+ &afs_proc_cell_vlservers_fops, cell);
if (!p)
goto error_vlservers;
- p->proc_fops = &afs_proc_cell_vlservers_fops;
- p->owner = THIS_MODULE;
- p->data = cell;
- p = create_proc_entry("volumes", 0, cell->proc_dir);
+ p = proc_create_data("volumes", 0, cell->proc_dir,
+ &afs_proc_cell_volumes_fops, cell);
if (!p)
goto error_volumes;
- p->proc_fops = &afs_proc_cell_volumes_fops;
- p->owner = THIS_MODULE;
- p->data = cell;
_leave(" = 0");
return 0;
struct seq_file *m;
int ret;
- cell = afs_get_cell_maybe((struct afs_cell **) &PDE(inode)->data);
+ cell = PDE(inode)->data;
if (!cell)
return -ENOENT;
*/
static int afs_proc_cell_volumes_release(struct inode *inode, struct file *file)
{
- struct afs_cell *cell = PDE(inode)->data;
- int ret;
-
- ret = seq_release(inode, file);
-
- afs_put_cell(cell);
- return ret;
+ return seq_release(inode, file);
}
/*
*/
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);
}
/*
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);
}
/*
up_read(&cell->vl_sem);
}
+static const char afs_vlocation_states[][4] = {
+ [AFS_VL_NEW] = "New",
+ [AFS_VL_CREATING] = "Crt",
+ [AFS_VL_VALID] = "Val",
+ [AFS_VL_NO_VOLUME] = "NoV",
+ [AFS_VL_UPDATING] = "Upd",
+ [AFS_VL_VOLUME_DELETED] = "Del",
+ [AFS_VL_UNCERTAIN] = "Unc",
+};
+
/*
* 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 = m->private;
struct afs_vlocation *vlocation =
list_entry(v, struct afs_vlocation, link);
/* display header on line 1 */
- if (v == (void *) 1) {
- seq_puts(m, "USE VLID[0] VLID[1] VLID[2] NAME\n");
+ if (v == &cell->vl_list) {
+ seq_puts(m, "USE STT VLID[0] VLID[1] VLID[2] NAME\n");
return 0;
}
/* display one cell per line on subsequent lines */
- seq_printf(m, "%3d %08x %08x %08x %s\n",
+ seq_printf(m, "%3d %s %08x %08x %08x %s\n",
atomic_read(&vlocation->usage),
+ afs_vlocation_states[vlocation->state],
vlocation->vldb.vid[0],
vlocation->vldb.vid[1],
vlocation->vldb.vid[2],
struct seq_file *m;
int ret;
- cell = afs_get_cell_maybe((struct afs_cell**)&PDE(inode)->data);
+ cell = PDE(inode)->data;
if (!cell)
return -ENOENT;
- ret = seq_open(file,&afs_proc_cell_vlservers_ops);
+ ret = seq_open(file, &afs_proc_cell_vlservers_ops);
if (ret<0)
return ret;
static int afs_proc_cell_vlservers_release(struct inode *inode,
struct file *file)
{
- struct afs_cell *cell = PDE(inode)->data;
- int ret;
-
- ret = seq_release(inode,file);
-
- afs_put_cell(cell);
- return ret;
+ return seq_release(inode, file);
}
/*
}
/* display one cell per line on subsequent lines */
- seq_printf(m, "%u.%u.%u.%u\n", NIPQUAD(addr->s_addr));
+ seq_printf(m, "%pI4\n", &addr->s_addr);
return 0;
}
struct seq_file *m;
int ret;
- cell = afs_get_cell_maybe((struct afs_cell **) &PDE(inode)->data);
+ cell = PDE(inode)->data;
if (!cell)
return -ENOENT;
static int afs_proc_cell_servers_release(struct inode *inode,
struct file *file)
{
- struct afs_cell *cell = PDE(inode)->data;
- int ret;
-
- ret = seq_release(inode, file);
-
- afs_put_cell(cell);
- return ret;
+ return seq_release(inode, file);
}
/*
* first item
*/
static void *afs_proc_cell_servers_start(struct seq_file *m, loff_t *_pos)
- __acquires(m->private->sv_lock)
+ __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->sv_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->sv_list)
- if (!pos--)
- break;
-
- return _p != &cell->sv_list ? _p : NULL;
+ read_lock(&cell->servers_lock);
+ return seq_list_start_head(&cell->servers, *_pos);
}
/*
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->sv_list.next : _p->next;
-
- return _p != &cell->sv_list ? _p : NULL;
+ return seq_list_next(v, &cell->servers, _pos);
}
/*
* clean up after reading from the cells list
*/
static void afs_proc_cell_servers_stop(struct seq_file *p, void *v)
- __releases(p->private->sv_lock)
+ __releases(p->private->servers_lock)
{
struct afs_cell *cell = p->private;
- read_unlock(&cell->sv_lock);
+ read_unlock(&cell->servers_lock);
}
/*
*/
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;
}
/* display one cell per line on subsequent lines */
- sprintf(ipaddr, "%u.%u.%u.%u", NIPQUAD(server->addr));
+ sprintf(ipaddr, "%pI4", &server->addr);
seq_printf(m, "%3d %-15.15s %5d\n",
atomic_read(&server->usage), ipaddr, server->fs_state);