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Diffstat (limited to 'fs/afs/super.c')
-rw-r--r--fs/afs/super.c106
1 files changed, 50 insertions, 56 deletions
diff --git a/fs/afs/super.c b/fs/afs/super.c
index 0470a5c0b8a1..efc4fe69f4f0 100644
--- a/fs/afs/super.c
+++ b/fs/afs/super.c
@@ -1,6 +1,6 @@
/* AFS superblock handling
*
- * Copyright (c) 2002 Red Hat, Inc. All rights reserved.
+ * Copyright (c) 2002, 2007 Red Hat, Inc. All rights reserved.
*
* This software may be freely redistributed under the terms of the
* GNU General Public License.
@@ -20,12 +20,6 @@
#include <linux/slab.h>
#include <linux/fs.h>
#include <linux/pagemap.h>
-#include "vnode.h"
-#include "volume.h"
-#include "cell.h"
-#include "cmservice.h"
-#include "fsclient.h"
-#include "super.h"
#include "internal.h"
#define AFS_FS_MAGIC 0x6B414653 /* 'kAFS' */
@@ -63,6 +57,7 @@ static const struct super_operations afs_super_ops = {
.drop_inode = generic_delete_inode,
.destroy_inode = afs_destroy_inode,
.clear_inode = afs_clear_inode,
+ .umount_begin = afs_umount_begin,
.put_super = afs_put_super,
};
@@ -78,8 +73,6 @@ int __init afs_fs_init(void)
_enter("");
- afs_timer_init(&afs_mntpt_expiry_timer, &afs_mntpt_expiry_timer_ops);
-
/* create ourselves an inode cache */
atomic_set(&afs_count_active_inodes, 0);
@@ -99,11 +92,11 @@ int __init afs_fs_init(void)
ret = register_filesystem(&afs_fs_type);
if (ret < 0) {
kmem_cache_destroy(afs_inode_cachep);
- kleave(" = %d", ret);
+ _leave(" = %d", ret);
return ret;
}
- kleave(" = 0");
+ _leave(" = 0");
return 0;
}
@@ -112,6 +105,9 @@ int __init afs_fs_init(void)
*/
void __exit afs_fs_exit(void)
{
+ _enter("");
+
+ afs_mntpt_kill_timer();
unregister_filesystem(&afs_fs_type);
if (atomic_read(&afs_count_active_inodes) != 0) {
@@ -121,6 +117,7 @@ void __exit afs_fs_exit(void)
}
kmem_cache_destroy(afs_inode_cachep);
+ _leave("");
}
/*
@@ -154,9 +151,9 @@ static int want_no_value(char *const *_value, const char *option)
* shamelessly adapted it from the msdos fs
*/
static int afs_super_parse_options(struct afs_mount_params *params,
- char *options,
- const char **devname)
+ char *options, const char **devname)
{
+ struct afs_cell *cell;
char *key, *value;
int ret;
@@ -165,43 +162,37 @@ static int afs_super_parse_options(struct afs_mount_params *params,
options[PAGE_SIZE - 1] = 0;
ret = 0;
- while ((key = strsep(&options, ",")) != 0)
- {
+ while ((key = strsep(&options, ","))) {
value = strchr(key, '=');
if (value)
*value++ = 0;
- printk("kAFS: KEY: %s, VAL:%s\n", key, value ?: "-");
+ _debug("kAFS: KEY: %s, VAL:%s", key, value ?: "-");
if (strcmp(key, "rwpath") == 0) {
if (!want_no_value(&value, "rwpath"))
return -EINVAL;
params->rwpath = 1;
- continue;
} else if (strcmp(key, "vol") == 0) {
if (!want_arg(&value, "vol"))
return -EINVAL;
*devname = value;
- continue;
} else if (strcmp(key, "cell") == 0) {
if (!want_arg(&value, "cell"))
return -EINVAL;
+ cell = afs_cell_lookup(value, strlen(value));
+ if (IS_ERR(cell))
+ return PTR_ERR(cell);
afs_put_cell(params->default_cell);
- ret = afs_cell_lookup(value,
- strlen(value),
- &params->default_cell);
- if (ret < 0)
- return -EINVAL;
- continue;
+ params->default_cell = cell;
+ } else {
+ printk("kAFS: Unknown mount option: '%s'\n", key);
+ ret = -EINVAL;
+ goto error;
}
-
- printk("kAFS: Unknown mount option: '%s'\n", key);
- ret = -EINVAL;
- goto error;
}
ret = 0;
-
error:
_leave(" = %d", ret);
return ret;
@@ -230,7 +221,7 @@ static int afs_fill_super(struct super_block *sb, void *data, int silent)
struct inode *inode = NULL;
int ret;
- kenter("");
+ _enter("");
/* allocate a superblock info record */
as = kzalloc(sizeof(struct afs_super_info), GFP_KERNEL);
@@ -253,9 +244,9 @@ static int afs_fill_super(struct super_block *sb, void *data, int silent)
fid.vid = as->volume->vid;
fid.vnode = 1;
fid.unique = 1;
- ret = afs_iget(sb, &fid, &inode);
- if (ret < 0)
- goto error;
+ inode = afs_iget(sb, &fid);
+ if (IS_ERR(inode))
+ goto error_inode;
ret = -ENOMEM;
root = d_alloc_root(inode);
@@ -264,9 +255,12 @@ static int afs_fill_super(struct super_block *sb, void *data, int silent)
sb->s_root = root;
- kleave(" = 0");
+ _leave(" = 0");
return 0;
+error_inode:
+ ret = PTR_ERR(inode);
+ inode = NULL;
error:
iput(inode);
afs_put_volume(as->volume);
@@ -274,7 +268,7 @@ error:
sb->s_fs_info = NULL;
- kleave(" = %d", ret);
+ _leave(" = %d", ret);
return ret;
}
@@ -290,19 +284,13 @@ static int afs_get_sb(struct file_system_type *fs_type,
{
struct afs_mount_params params;
struct super_block *sb;
+ struct afs_volume *vol;
int ret;
_enter(",,%s,%p", dev_name, options);
memset(&params, 0, sizeof(params));
- /* start the cache manager */
- ret = afscm_start();
- if (ret < 0) {
- _leave(" = %d", ret);
- return ret;
- }
-
/* parse the options */
if (options) {
ret = afs_super_parse_options(&params, options, &dev_name);
@@ -316,17 +304,20 @@ static int afs_get_sb(struct file_system_type *fs_type,
}
/* parse the device name */
- ret = afs_volume_lookup(dev_name,
- params.default_cell,
- params.rwpath,
- &params.volume);
- if (ret < 0)
+ vol = afs_volume_lookup(dev_name, params.default_cell, params.rwpath);
+ if (IS_ERR(vol)) {
+ ret = PTR_ERR(vol);
goto error;
+ }
+
+ params.volume = vol;
/* allocate a deviceless superblock */
sb = sget(fs_type, afs_test_super, set_anon_super, &params);
- if (IS_ERR(sb))
+ if (IS_ERR(sb)) {
+ ret = PTR_ERR(sb);
goto error;
+ }
sb->s_flags = flags;
@@ -341,13 +332,12 @@ static int afs_get_sb(struct file_system_type *fs_type,
afs_put_volume(params.volume);
afs_put_cell(params.default_cell);
- _leave(" = 0 [%p]", 0, sb);
+ _leave(" = 0 [%p]", sb);
return 0;
error:
afs_put_volume(params.volume);
afs_put_cell(params.default_cell);
- afscm_stop();
_leave(" = %d", ret);
return ret;
}
@@ -362,7 +352,6 @@ static void afs_put_super(struct super_block *sb)
_enter("");
afs_put_volume(as->volume);
- afscm_stop();
_leave("");
}
@@ -381,10 +370,8 @@ static void afs_i_init_once(void *_vnode, struct kmem_cache *cachep,
inode_init_once(&vnode->vfs_inode);
init_waitqueue_head(&vnode->update_waitq);
spin_lock_init(&vnode->lock);
- INIT_LIST_HEAD(&vnode->cb_link);
- INIT_LIST_HEAD(&vnode->cb_hash_link);
- afs_timer_init(&vnode->cb_timeout,
- &afs_vnode_cb_timed_out_ops);
+ INIT_WORK(&vnode->cb_broken_work, afs_broken_callback_work);
+ mutex_init(&vnode->cb_broken_lock);
}
}
@@ -407,6 +394,7 @@ static struct inode *afs_alloc_inode(struct super_block *sb)
vnode->volume = NULL;
vnode->update_cnt = 0;
vnode->flags = 0;
+ vnode->cb_promised = false;
return &vnode->vfs_inode;
}
@@ -416,8 +404,14 @@ static struct inode *afs_alloc_inode(struct super_block *sb)
*/
static void afs_destroy_inode(struct inode *inode)
{
+ struct afs_vnode *vnode = AFS_FS_I(inode);
+
_enter("{%lu}", inode->i_ino);
- kmem_cache_free(afs_inode_cachep, AFS_FS_I(inode));
+ _debug("DESTROY INODE %p", inode);
+
+ ASSERTCMP(vnode->server, ==, NULL);
+
+ kmem_cache_free(afs_inode_cachep, vnode);
atomic_dec(&afs_count_active_inodes);
}
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-06 01:04:40 +0000