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-rw-r--r--fs/afs/proc.c415
1 files changed, 112 insertions, 303 deletions
diff --git a/fs/afs/proc.c b/fs/afs/proc.c
index 9c81b8f7eef..24a905b076f 100644
--- a/fs/afs/proc.c
+++ b/fs/afs/proc.c
@@ -1,4 +1,4 @@
-/* proc.c: /proc interface for AFS
+/* /proc interface for AFS
*
* Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
@@ -9,13 +9,11 @@
* 2 of the License, or (at your option) any later version.
*/
-#include <linux/sched.h>
#include <linux/slab.h>
#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"
@@ -30,14 +28,14 @@ static int afs_proc_cells_show(struct seq_file *m, void *v);
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,
.show = afs_proc_cells_show,
};
-static struct file_operations afs_proc_cells_fops = {
+static const struct file_operations afs_proc_cells_fops = {
.open = afs_proc_cells_open,
.read = seq_read,
.write = afs_proc_cells_write,
@@ -45,145 +43,115 @@ static struct file_operations afs_proc_cells_fops = {
.release = seq_release,
};
-static int afs_proc_rootcell_open(struct inode *inode, struct file *file);
-static int afs_proc_rootcell_release(struct inode *inode, struct file *file);
static ssize_t afs_proc_rootcell_read(struct file *file, char __user *buf,
size_t size, loff_t *_pos);
static ssize_t afs_proc_rootcell_write(struct file *file,
const char __user *buf,
size_t size, loff_t *_pos);
-static struct file_operations afs_proc_rootcell_fops = {
- .open = afs_proc_rootcell_open,
+static const struct file_operations afs_proc_rootcell_fops = {
.read = afs_proc_rootcell_read,
.write = afs_proc_rootcell_write,
.llseek = no_llseek,
- .release = afs_proc_rootcell_release
};
static int afs_proc_cell_volumes_open(struct inode *inode, struct file *file);
-static int afs_proc_cell_volumes_release(struct inode *inode,
- struct file *file);
static void *afs_proc_cell_volumes_start(struct seq_file *p, loff_t *pos);
static void *afs_proc_cell_volumes_next(struct seq_file *p, void *v,
loff_t *pos);
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,
.show = afs_proc_cell_volumes_show,
};
-static struct file_operations afs_proc_cell_volumes_fops = {
+static const struct file_operations afs_proc_cell_volumes_fops = {
.open = afs_proc_cell_volumes_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = afs_proc_cell_volumes_release,
+ .release = seq_release,
};
static int afs_proc_cell_vlservers_open(struct inode *inode,
struct file *file);
-static int afs_proc_cell_vlservers_release(struct inode *inode,
- struct file *file);
static void *afs_proc_cell_vlservers_start(struct seq_file *p, loff_t *pos);
static void *afs_proc_cell_vlservers_next(struct seq_file *p, void *v,
loff_t *pos);
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,
.show = afs_proc_cell_vlservers_show,
};
-static struct file_operations afs_proc_cell_vlservers_fops = {
+static const struct file_operations afs_proc_cell_vlservers_fops = {
.open = afs_proc_cell_vlservers_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = afs_proc_cell_vlservers_release,
+ .release = seq_release,
};
static int afs_proc_cell_servers_open(struct inode *inode, struct file *file);
-static int afs_proc_cell_servers_release(struct inode *inode,
- struct file *file);
static void *afs_proc_cell_servers_start(struct seq_file *p, loff_t *pos);
static void *afs_proc_cell_servers_next(struct seq_file *p, void *v,
loff_t *pos);
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,
.show = afs_proc_cell_servers_show,
};
-static struct file_operations afs_proc_cell_servers_fops = {
+static const struct file_operations afs_proc_cell_servers_fops = {
.open = afs_proc_cell_servers_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = afs_proc_cell_servers_release,
+ .release = seq_release,
};
-/*****************************************************************************/
/*
* initialise the /proc/fs/afs/ directory
*/
int afs_proc_init(void)
{
- struct proc_dir_entry *p;
-
_enter("");
proc_afs = proc_mkdir("fs/afs", NULL);
if (!proc_afs)
- goto error;
- proc_afs->owner = THIS_MODULE;
+ goto error_dir;
- p = create_proc_entry("cells", 0, proc_afs);
- if (!p)
- goto error_proc;
- p->proc_fops = &afs_proc_cells_fops;
- p->owner = THIS_MODULE;
-
- p = create_proc_entry("rootcell", 0, proc_afs);
- if (!p)
- goto error_cells;
- p->proc_fops = &afs_proc_rootcell_fops;
- p->owner = THIS_MODULE;
+ if (!proc_create("cells", 0644, proc_afs, &afs_proc_cells_fops) ||
+ !proc_create("rootcell", 0644, proc_afs, &afs_proc_rootcell_fops))
+ goto error_tree;
_leave(" = 0");
return 0;
- error_cells:
- remove_proc_entry("cells", proc_afs);
- error_proc:
- remove_proc_entry("fs/afs", NULL);
- error:
+error_tree:
+ remove_proc_subtree("fs/afs", NULL);
+error_dir:
_leave(" = -ENOMEM");
return -ENOMEM;
+}
-} /* end afs_proc_init() */
-
-/*****************************************************************************/
/*
* clean up the /proc/fs/afs/ directory
*/
void afs_proc_cleanup(void)
{
- remove_proc_entry("cells", proc_afs);
-
- remove_proc_entry("fs/afs", NULL);
-
-} /* end afs_proc_cleanup() */
+ remove_proc_subtree("fs/afs", NULL);
+}
-/*****************************************************************************/
/*
* open "/proc/fs/afs/cells" which provides a summary of extant cells
*/
@@ -197,64 +165,38 @@ static int afs_proc_cells_open(struct inode *inode, struct file *file)
return ret;
m = file->private_data;
- m->private = PDE(inode)->data;
+ m->private = PDE_DATA(inode);
return 0;
-} /* end afs_proc_cells_open() */
+}
-/*****************************************************************************/
/*
* set up the iterator to start reading from the cells list and return the
* first item
*/
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);
+ return seq_list_start_head(&afs_proc_cells, *_pos);
+}
- /* 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;
-} /* end afs_proc_cells_start() */
-
-/*****************************************************************************/
/*
* move to next cell in cells list
*/
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;
-} /* end afs_proc_cells_next() */
+ return seq_list_next(v, &afs_proc_cells, pos);
+}
-/*****************************************************************************/
/*
* clean up after reading from the cells list
*/
static void afs_proc_cells_stop(struct seq_file *p, void *v)
{
up_read(&afs_proc_cells_sem);
+}
-} /* end afs_proc_cells_stop() */
-
-/*****************************************************************************/
/*
* display a header line followed by a load of cell lines
*/
@@ -262,19 +204,18 @@ static int afs_proc_cells_show(struct seq_file *m, void *v)
{
struct afs_cell *cell = list_entry(v, struct afs_cell, proc_link);
- /* display header on line 1 */
- if (v == (void *) 1) {
+ if (v == &afs_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, "%3d %s\n", atomic_read(&cell->usage), cell->name);
-
+ seq_printf(m, "%3d %s\n",
+ atomic_read(&cell->usage), cell->name);
return 0;
-} /* end afs_proc_cells_show() */
+}
-/*****************************************************************************/
/*
* handle writes to /proc/fs/afs/cells
* - to add cells: echo "add <cellname> <IP>[:<IP>][:<IP>]"
@@ -327,41 +268,30 @@ static ssize_t afs_proc_cells_write(struct file *file, const char __user *buf,
if (strcmp(kbuf, "add") == 0) {
struct afs_cell *cell;
- ret = afs_cell_create(name, args, &cell);
- if (ret < 0)
+
+ cell = afs_cell_create(name, strlen(name), args, false);
+ if (IS_ERR(cell)) {
+ ret = PTR_ERR(cell);
goto done;
+ }
+ afs_put_cell(cell);
printk("kAFS: Added new cell '%s'\n", name);
- }
- else {
+ } else {
goto inval;
}
ret = size;
- done:
+done:
kfree(kbuf);
_leave(" = %d", ret);
return ret;
- inval:
+inval:
ret = -EINVAL;
printk("kAFS: Invalid Command on /proc/fs/afs/cells file\n");
goto done;
-} /* end afs_proc_cells_write() */
-
-/*****************************************************************************/
-/*
- * Stubs for /proc/fs/afs/rootcell
- */
-static int afs_proc_rootcell_open(struct inode *inode, struct file *file)
-{
- return 0;
-}
-
-static int afs_proc_rootcell_release(struct inode *inode, struct file *file)
-{
- return 0;
}
static ssize_t afs_proc_rootcell_read(struct file *file, char __user *buf,
@@ -370,7 +300,6 @@ static ssize_t afs_proc_rootcell_read(struct file *file, char __user *buf,
return 0;
}
-/*****************************************************************************/
/*
* handle writes to /proc/fs/afs/rootcell
* - to initialize rootcell: echo "cell.name:192.168.231.14"
@@ -408,62 +337,44 @@ static ssize_t afs_proc_rootcell_write(struct file *file,
if (ret >= 0)
ret = size; /* consume everything, always */
- infault:
+infault:
kfree(kbuf);
- nomem:
+nomem:
_leave(" = %d", ret);
return ret;
-} /* end afs_proc_rootcell_write() */
+}
-/*****************************************************************************/
/*
* initialise /proc/fs/afs/<cell>/
*/
int afs_proc_cell_setup(struct afs_cell *cell)
{
- struct proc_dir_entry *p;
+ struct proc_dir_entry *dir;
_enter("%p{%s}", cell, cell->name);
- cell->proc_dir = proc_mkdir(cell->name, proc_afs);
- if (!cell->proc_dir)
- return -ENOMEM;
+ dir = proc_mkdir(cell->name, proc_afs);
+ if (!dir)
+ goto error_dir;
- p = create_proc_entry("servers", 0, cell->proc_dir);
- if (!p)
- goto error_proc;
- p->proc_fops = &afs_proc_cell_servers_fops;
- p->owner = THIS_MODULE;
- p->data = cell;
-
- p = create_proc_entry("vlservers", 0, cell->proc_dir);
- if (!p)
- goto error_servers;
- p->proc_fops = &afs_proc_cell_vlservers_fops;
- p->owner = THIS_MODULE;
- p->data = cell;
-
- p = create_proc_entry("volumes", 0, cell->proc_dir);
- if (!p)
- goto error_vlservers;
- p->proc_fops = &afs_proc_cell_volumes_fops;
- p->owner = THIS_MODULE;
- p->data = cell;
+ if (!proc_create_data("servers", 0, dir,
+ &afs_proc_cell_servers_fops, cell) ||
+ !proc_create_data("vlservers", 0, dir,
+ &afs_proc_cell_vlservers_fops, cell) ||
+ !proc_create_data("volumes", 0, dir,
+ &afs_proc_cell_volumes_fops, cell))
+ goto error_tree;
_leave(" = 0");
return 0;
- error_vlservers:
- remove_proc_entry("vlservers", cell->proc_dir);
- error_servers:
- remove_proc_entry("servers", cell->proc_dir);
- error_proc:
- remove_proc_entry(cell->name, proc_afs);
+error_tree:
+ remove_proc_subtree(cell->name, proc_afs);
+error_dir:
_leave(" = -ENOMEM");
return -ENOMEM;
-} /* end afs_proc_cell_setup() */
+}
-/*****************************************************************************/
/*
* remove /proc/fs/afs/<cell>/
*/
@@ -471,15 +382,11 @@ void afs_proc_cell_remove(struct afs_cell *cell)
{
_enter("");
- remove_proc_entry("volumes", cell->proc_dir);
- remove_proc_entry("vlservers", cell->proc_dir);
- remove_proc_entry("servers", cell->proc_dir);
- remove_proc_entry(cell->name, proc_afs);
+ remove_proc_subtree(cell->name, proc_afs);
_leave("");
-} /* end afs_proc_cell_remove() */
+}
-/*****************************************************************************/
/*
* open "/proc/fs/afs/<cell>/volumes" which provides a summary of extant cells
*/
@@ -489,7 +396,7 @@ static int afs_proc_cell_volumes_open(struct inode *inode, struct file *file)
struct seq_file *m;
int ret;
- cell = afs_get_cell_maybe((struct afs_cell **) &PDE(inode)->data);
+ cell = PDE_DATA(inode);
if (!cell)
return -ENOENT;
@@ -501,74 +408,35 @@ static int afs_proc_cell_volumes_open(struct inode *inode, struct file *file)
m->private = cell;
return 0;
-} /* end afs_proc_cell_volumes_open() */
-
-/*****************************************************************************/
-/*
- * close the file and release the ref to the cell
- */
-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;
-} /* end afs_proc_cell_volumes_release() */
+}
-/*****************************************************************************/
/*
* set up the iterator to start reading from the cells list and return the
* first item
*/
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);
+ return seq_list_start_head(&cell->vl_list, *_pos);
+}
- /* 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;
-} /* end afs_proc_cell_volumes_start() */
-
-/*****************************************************************************/
/*
* move to next cell in cells list
*/
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);
+ return seq_list_next(v, &cell->vl_list, _pos);
+}
- (*_pos)++;
-
- _p = v;
- _p = v == (void *) 1 ? cell->vl_list.next : _p->next;
-
- return _p != &cell->vl_list ? _p : NULL;
-} /* end afs_proc_cell_volumes_next() */
-
-/*****************************************************************************/
/*
* clean up after reading from the cells list
*/
@@ -577,37 +445,45 @@ static void afs_proc_cell_volumes_stop(struct seq_file *p, void *v)
struct afs_cell *cell = p->private;
up_read(&cell->vl_sem);
+}
-} /* end afs_proc_cell_volumes_stop() */
+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],
- vlocation->vldb.name
- );
+ vlocation->vldb.name);
return 0;
-} /* end afs_proc_cell_volumes_show() */
+}
-/*****************************************************************************/
/*
* open "/proc/fs/afs/<cell>/vlservers" which provides a list of volume
* location server
@@ -618,11 +494,11 @@ static int afs_proc_cell_vlservers_open(struct inode *inode, struct file *file)
struct seq_file *m;
int ret;
- cell = afs_get_cell_maybe((struct afs_cell**)&PDE(inode)->data);
+ cell = PDE_DATA(inode);
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;
@@ -630,26 +506,8 @@ static int afs_proc_cell_vlservers_open(struct inode *inode, struct file *file)
m->private = cell;
return 0;
-} /* end afs_proc_cell_vlservers_open() */
-
-/*****************************************************************************/
-/*
- * close the file and release the ref to the cell
- */
-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;
-} /* end afs_proc_cell_vlservers_release() */
+}
-/*****************************************************************************/
/*
* set up the iterator to start reading from the cells list and return the
* first item
@@ -673,9 +531,8 @@ static void *afs_proc_cell_vlservers_start(struct seq_file *m, loff_t *_pos)
return NULL;
return &cell->vl_addrs[pos];
-} /* end afs_proc_cell_vlservers_start() */
+}
-/*****************************************************************************/
/*
* move to next cell in cells list
*/
@@ -693,9 +550,8 @@ static void *afs_proc_cell_vlservers_next(struct seq_file *p, void *v,
return NULL;
return &cell->vl_addrs[pos];
-} /* end afs_proc_cell_vlservers_next() */
+}
-/*****************************************************************************/
/*
* clean up after reading from the cells list
*/
@@ -704,10 +560,8 @@ static void afs_proc_cell_vlservers_stop(struct seq_file *p, void *v)
struct afs_cell *cell = p->private;
up_read(&cell->vl_sem);
+}
-} /* end afs_proc_cell_vlservers_stop() */
-
-/*****************************************************************************/
/*
* display a header line followed by a load of volume lines
*/
@@ -722,12 +576,10 @@ static int afs_proc_cell_vlservers_show(struct seq_file *m, void *v)
}
/* 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;
-} /* end afs_proc_cell_vlservers_show() */
+}
-/*****************************************************************************/
/*
* open "/proc/fs/afs/<cell>/servers" which provides a summary of active
* servers
@@ -738,7 +590,7 @@ static int afs_proc_cell_servers_open(struct inode *inode, struct file *file)
struct seq_file *m;
int ret;
- cell = afs_get_cell_maybe((struct afs_cell **) &PDE(inode)->data);
+ cell = PDE_DATA(inode);
if (!cell)
return -ENOENT;
@@ -748,110 +600,67 @@ static int afs_proc_cell_servers_open(struct inode *inode, struct file *file)
m = file->private_data;
m->private = cell;
-
return 0;
-} /* end afs_proc_cell_servers_open() */
-
-/*****************************************************************************/
-/*
- * close the file and release the ref to the cell
- */
-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;
-} /* end afs_proc_cell_servers_release() */
+}
-/*****************************************************************************/
/*
* set up the iterator to start reading from the cells list and return the
* first item
*/
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->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;
-} /* end afs_proc_cell_servers_start() */
+ read_lock(&cell->servers_lock);
+ return seq_list_start_head(&cell->servers, *_pos);
+}
-/*****************************************************************************/
/*
* move to next cell in cells list
*/
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);
+ return seq_list_next(v, &cell->servers, _pos);
+}
- (*_pos)++;
-
- _p = v;
- _p = v == (void *) 1 ? cell->sv_list.next : _p->next;
-
- return _p != &cell->sv_list ? _p : NULL;
-} /* end afs_proc_cell_servers_next() */
-
-/*****************************************************************************/
/*
* clean up after reading from the cells list
*/
static void afs_proc_cell_servers_stop(struct seq_file *p, void *v)
+ __releases(p->private->servers_lock)
{
struct afs_cell *cell = p->private;
- read_unlock(&cell->sv_lock);
-
-} /* end afs_proc_cell_servers_stop() */
+ read_unlock(&cell->servers_lock);
+}
-/*****************************************************************************/
/*
* display a header line followed by a load of volume lines
*/
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
- );
+ atomic_read(&server->usage), ipaddr, server->fs_state);
return 0;
-} /* end afs_proc_cell_servers_show() */
+}