Merge rum.normnet.org:/spare/vanilla/linus-2.5

into rum.normnet.org:/spare/vanilla/net-drivers-2.5

drivers/pcmcia/cardbus.c

@@ -279,13 +279,13 @@ int cb_alloc(socket_info_t * s)
 		pci_readw(dev, PCI_DEVICE_ID, &dev->device);
 		dev->hdr_type = hdr & 0x7f;
 
+		pci_setup_device(dev);
+
 		dev->dev.parent = bus->dev;
 		strcpy(dev->dev.name, dev->name);
 		strcpy(dev->dev.bus_id, dev->slot_name);
 		device_register(&dev->dev);
 
-		pci_setup_device(dev);
-
 		/* FIXME: Do we need to enable the expansion ROM? */
 		for (r = 0; r < 7; r++) {
 			struct resource *res = dev->resource + r;

fs/affs/super.c

@@ -270,9 +270,8 @@ static int affs_fill_super(struct super_block *sb, void *data, int silent)
 	struct buffer_head	*root_bh = NULL;
 	struct buffer_head	*boot_bh;
 	struct inode		*root_inode = NULL;
-	kdev_t			 dev = sb->s_dev;
 	s32			 root_block;
-	int			 blocks, size, blocksize;
+	int			 size, blocksize;
 	u32			 chksum;
 	int			 num_bm;
 	int			 i, j;
@@ -308,12 +307,7 @@ static int affs_fill_super(struct super_block *sb, void *data, int silent)
 	 * blocks, we will have to change it.
 	 */
 
-	blocks = blk_size[major(dev)] ? blk_size[major(dev)][minor(dev)] : 0;
-	if (!blocks) {
-		printk(KERN_ERR "AFFS: Could not determine device size\n");
-		goto out_error;
-	}
-	size = (BLOCK_SIZE / 512) * blocks;
+	size = sb->s_bdev->bd_inode->i_size >> 9;
 	pr_debug("AFFS: initial blksize=%d, blocks=%d\n", 512, blocks);
 
 	affs_set_blocksize(sb, PAGE_SIZE);

fs/dquot.c

@@ -289,7 +289,7 @@ static void write_dquot(struct dquot *dquot)
 					sizeof(struct dqblk), &offset);
 	if (ret != sizeof(struct dqblk))
 		printk(KERN_WARNING "VFS: dquota write failed on dev %s\n",
-			kdevname(dquot->dq_sb->s_dev));
+			dquot->dq_sb->s_id);
 
 	set_fs(fs);
 	up(sem);
@@ -440,7 +440,7 @@ static void dqput(struct dquot *dquot)
 	if (!dquot->dq_count) {
 		printk("VFS: dqput: trying to free free dquot\n");
 		printk("VFS: device %s, dquot of %s %d\n",
-			kdevname(dquot->dq_sb->s_dev),
+			dquot->dq_sb->s_id,
 			quotatypes[dquot->dq_type],
 			dquot->dq_id);
 		return;
@@ -715,7 +715,7 @@ static void print_warning(struct dquot *dquot, const char warntype)
 	if (!need_print_warning(dquot, flag))
 		return;
 	dquot->dq_flags |= flag;
-	tty_write_message(current->tty, (char *)bdevname(dquot->dq_sb->s_dev));
+	tty_write_message(current->tty, dquot->dq_sb->s_id);
 	if (warntype == ISOFTWARN || warntype == BSOFTWARN)
 		tty_write_message(current->tty, ": warning, ");
 	else

fs/ext2/balloc.c

@@ -404,7 +404,7 @@ int ext2_new_block (struct inode * inode, unsigned long goal,
 	if (DQUOT_ALLOC_BLOCK(inode, 1))
 		goto out;
 
-	while (prealloc_goal && !DQUOT_PREALLOC_BLOCK(inode, prealloc_goal))
+	while (prealloc_goal && DQUOT_PREALLOC_BLOCK(inode, prealloc_goal))
 		prealloc_goal--;
 
 	dq_alloc = prealloc_goal + 1;

fs/lockd/svclock.c

@@ -306,9 +306,8 @@ nlmsvc_lock(struct svc_rqst *rqstp, struct nlm_file *file,
 	struct nlm_block	*block;
 	int			error;
 
-	dprintk("lockd: nlmsvc_lock(%02x:%02x/%ld, ty=%d, pi=%d, %Ld-%Ld, bl=%d)\n",
-				major(file->f_file.f_dentry->d_inode->i_dev),
-				minor(file->f_file.f_dentry->d_inode->i_dev),
+	dprintk("lockd: nlmsvc_lock(%s/%ld, ty=%d, pi=%d, %Ld-%Ld, bl=%d)\n",
+				file->f_file.f_dentry->d_inode->i_sb->s_id,
 				file->f_file.f_dentry->d_inode->i_ino,
 				lock->fl.fl_type, lock->fl.fl_pid,
 				(long long)lock->fl.fl_start,
@@ -386,9 +385,8 @@ nlmsvc_testlock(struct nlm_file *file, struct nlm_lock *lock,
 {
 	struct file_lock	*fl;
 
-	dprintk("lockd: nlmsvc_testlock(%02x:%02x/%ld, ty=%d, %Ld-%Ld)\n",
-				major(file->f_file.f_dentry->d_inode->i_dev),
-				minor(file->f_file.f_dentry->d_inode->i_dev),
+	dprintk("lockd: nlmsvc_testlock(%s/%ld, ty=%d, %Ld-%Ld)\n",
+				file->f_file.f_dentry->d_inode->i_sb->s_id,
 				file->f_file.f_dentry->d_inode->i_ino,
 				lock->fl.fl_type,
 				(long long)lock->fl.fl_start,
@@ -419,9 +417,8 @@ nlmsvc_unlock(struct nlm_file *file, struct nlm_lock *lock)
 {
 	int	error;
 
-	dprintk("lockd: nlmsvc_unlock(%02x:%02x/%ld, pi=%d, %Ld-%Ld)\n",
-				major(file->f_file.f_dentry->d_inode->i_dev),
-				minor(file->f_file.f_dentry->d_inode->i_dev),
+	dprintk("lockd: nlmsvc_unlock(%s/%ld, pi=%d, %Ld-%Ld)\n",
+				file->f_file.f_dentry->d_inode->i_sb->s_id,
 				file->f_file.f_dentry->d_inode->i_ino,
 				lock->fl.fl_pid,
 				(long long)lock->fl.fl_start,
@@ -448,9 +445,8 @@ nlmsvc_cancel_blocked(struct nlm_file *file, struct nlm_lock *lock)
 {
 	struct nlm_block	*block;
 
-	dprintk("lockd: nlmsvc_cancel(%02x:%02x/%ld, pi=%d, %Ld-%Ld)\n",
-				major(file->f_file.f_dentry->d_inode->i_dev),
-				minor(file->f_file.f_dentry->d_inode->i_dev),
+	dprintk("lockd: nlmsvc_cancel(%s/%ld, pi=%d, %Ld-%Ld)\n",
+				file->f_file.f_dentry->d_inode->i_sb->s_id,
 				file->f_file.f_dentry->d_inode->i_ino,
 				lock->fl.fl_pid,
 				(long long)lock->fl.fl_start,

fs/lockd/svcsubs.c

@@ -128,7 +128,7 @@ nlm_delete_file(struct nlm_file *file)
 	struct nlm_file	**fp, *f;
 
 	dprintk("lockd: closing file %s/%ld\n",
-		kdevname(inode->i_dev), inode->i_ino);
+		inode->i_sb->s_id, inode->i_ino);
 	fp = nlm_files + file->f_hash;
 	while ((f = *fp) != NULL) {
 		if (f == file) {

fs/nfsd/export.c

@@ -375,7 +375,6 @@ exp_rootfh(struct svc_client *clp, char *path, struct knfsd_fh *f, int maxsize)
 	struct nameidata	nd;
 	struct inode		*inode;
 	struct svc_fh		fh;
-	kdev_t			dev;
 	int			err;
 
 	err = -EPERM;
@@ -386,11 +385,10 @@ exp_rootfh(struct svc_client *clp, char *path, struct knfsd_fh *f, int maxsize)
 		return err;
 	}
 	inode = nd.dentry->d_inode;
-	dev = inode->i_dev;
 
-	dprintk("nfsd: exp_rootfh(%s [%p] %s:%02x:%02x/%ld)\n",
+	dprintk("nfsd: exp_rootfh(%s [%p] %s:%s/%ld)\n",
 		 path, nd.dentry, clp->cl_ident,
-		 major(dev), minor(dev), (long) inode->i_ino);
+		 inode->i_sb->s_id, inode->i_ino);
 	exp = exp_parent(clp, inode->i_sb, nd.dentry);
 	if (!exp) {
 		dprintk("nfsd: exp_rootfh export not found.\n");

fs/nfsd/nfsfh.c

@@ -424,8 +424,7 @@ find_fh_dentry(struct super_block *sb, __u32 *datap, int len, int fhtype, int ne
 	/* It's a directory, or we are required to confirm the file's
 	 * location in the tree.
 	 */
-	dprintk("nfs_fh: need to look harder for %02x:%02x/%d\n",
-		major(sb->s_dev), minor(sb->s_dev), datap[0]);
+	dprintk("nfs_fh: need to look harder for %s/%d\n", sb->s_id, datap[0]);
 
 	if (!S_ISDIR(result->d_inode->i_mode)) {
 		nfsdstats.fh_nocache_nondir++;

fs/nfsd/vfs.c

@@ -1410,8 +1410,8 @@ nfsd_readdir(struct svc_rqst *rqstp, struct svc_fh *fhp, loff_t offset,
 		oldlen = cd.buflen;
 
 		/*
-		dprintk("nfsd: f_op->readdir(%x/%ld @ %d) buflen = %d (%d)\n",
-			file.f_inode->i_dev, file.f_inode->i_ino,
+		dprintk("nfsd: f_op->readdir(%s/%ld @ %d) buflen = %d (%d)\n",
+			file.f_inode->i_sb->s_id, file.f_inode->i_ino,
 			(int) file.f_pos, (int) oldlen, (int) cd.buflen);
 		 */
 		err = file.f_op->readdir(&file, &cd, (filldir_t) func);

fs/proc/proc_misc.c

@@ -50,9 +50,6 @@
  * have a way to deal with that gracefully. Right now I used straightforward
  * wrappers, but this needs further analysis wrt potential overflows.
  */
-#ifdef CONFIG_MODULES
-extern int get_module_list(char *);
-#endif
 extern int get_device_list(char *);
 extern int get_partition_list(char *, char **, off_t, int);
 extern int get_filesystem_list(char *);
@@ -203,13 +200,17 @@ static struct file_operations proc_cpuinfo_operations = {
 };
 
 #ifdef CONFIG_MODULES
-static int modules_read_proc(char *page, char **start, off_t off,
-				 int count, int *eof, void *data)
+extern struct seq_operations modules_op;
+static int modules_open(struct inode *inode, struct file *file)
 {
-	int len = get_module_list(page);
-	return proc_calc_metrics(page, start, off, count, eof, len);
+	return seq_open(file, &modules_op);
 }
-
+static struct file_operations proc_modules_operations = {
+	open:		modules_open,
+	read:		seq_read,
+	llseek:		seq_lseek,
+	release:	seq_release,
+};
 extern struct seq_operations ksyms_op;
 static int ksyms_open(struct inode *inode, struct file *file)
 {
@@ -223,6 +224,20 @@ static struct file_operations proc_ksyms_operations = {
 };
 #endif
 
+extern struct seq_operations slabinfo_op;
+extern ssize_t slabinfo_write(struct file *, const char *, size_t, loff_t *);
+static int slabinfo_open(struct inode *inode, struct file *file)
+{
+	return seq_open(file, &slabinfo_op);
+}
+static struct file_operations proc_slabinfo_operations = {
+	open:		slabinfo_open,
+	read:		seq_read,
+	write:		slabinfo_write,
+	llseek:		seq_lseek,
+	release:	seq_release,
+};
+
 static int kstat_read_proc(char *page, char **start, off_t off,
 				 int count, int *eof, void *data)
 {
@@ -521,9 +536,6 @@ void __init proc_misc_init(void)
 		{"uptime",	uptime_read_proc},
 		{"meminfo",	meminfo_read_proc},
 		{"version",	version_read_proc},
-#ifdef CONFIG_MODULES
-		{"modules",	modules_read_proc},
-#endif
 		{"stat",	kstat_read_proc},
 		{"devices",	devices_read_proc},
 		{"partitions",	partitions_read_proc},
@@ -551,7 +563,9 @@ void __init proc_misc_init(void)
 		entry->proc_fops = &proc_kmsg_operations;
 	create_seq_entry("cpuinfo", 0, &proc_cpuinfo_operations);
 	create_seq_entry("interrupts", 0, &proc_interrupts_operations);
+	create_seq_entry("slabinfo",S_IWUSR|S_IRUGO,&proc_slabinfo_operations);
 #ifdef CONFIG_MODULES
+	create_seq_entry("modules", 0, &proc_modules_operations);
 	create_seq_entry("ksyms", 0, &proc_ksyms_operations);
 #endif
 	proc_root_kcore = create_proc_entry("kcore", S_IRUSR, NULL);
@@ -575,8 +589,4 @@ void __init proc_misc_init(void)
 			entry->proc_fops = &ppc_htab_operations;
 	}
 #endif
-	entry = create_proc_read_entry("slabinfo", S_IWUSR | S_IRUGO, NULL,
-				       slabinfo_read_proc, NULL);
-	if (entry)
-		entry->write_proc = slabinfo_write_proc;
 }

include/linux/slab.h

@@ -62,11 +62,6 @@ extern void *kmalloc(size_t, int);
 extern void kfree(const void *);
 
 extern int FASTCALL(kmem_cache_reap(int));
-extern int slabinfo_read_proc(char *page, char **start, off_t off,
-				 int count, int *eof, void *data);
-struct file;
-extern int slabinfo_write_proc(struct file *file, const char *buffer,
-			   unsigned long count, void *data);
 
 /* System wide caches */
 extern kmem_cache_t	*vm_area_cachep;

kernel/module.c

@@ -1075,84 +1075,67 @@ free_module(struct module *mod, int tag_freed)
 /*
  * Called by the /proc file system to return a current list of modules.
  */
-
-int get_module_list(char *p)
+static void *m_start(struct seq_file *m, loff_t *pos)
 {
-	size_t left = PAGE_SIZE;
-	struct module *mod;
-	char tmpstr[64];
-	struct module_ref *ref;
-
-	for (mod = module_list; mod != &kernel_module; mod = mod->next) {
-		long len;
-		const char *q;
-
-#define safe_copy_str(str, len)						\
-		do {							\
-			if (left < len)					\
-				goto fini;				\
-			memcpy(p, str, len); p += len, left -= len;	\
-		} while (0)
-#define safe_copy_cstr(str)	safe_copy_str(str, sizeof(str)-1)
-
-		len = strlen(mod->name);
-		safe_copy_str(mod->name, len);
-
-		if ((len = 20 - len) > 0) {
-			if (left < len)
-				goto fini;
-			memset(p, ' ', len);
-			p += len;
-			left -= len;
-		}
+	struct module *v;
+	loff_t n = *pos;
+	lock_kernel();
+	for (v = module_list; v && n--; v = v->next)
+		;
+	return v;
+}
+static void *m_next(struct seq_file *m, void *p, loff_t *pos)
+{
+	struct module *v = p;
+	(*pos)++;
+	return v->next;
+}
+static void m_stop(struct seq_file *m, void *p)
+{
+	unlock_kernel();
+}
+static int m_show(struct seq_file *m, void *p)
+{
+	struct module *mod = p;
+	struct module_ref *ref = mod->refs;
 
-		len = sprintf(tmpstr, "%8lu", mod->size);
-		safe_copy_str(tmpstr, len);
+	if (mod == &kernel_module)
+		return 0;
 
-		if (mod->flags & MOD_RUNNING) {
-			len = sprintf(tmpstr, "%4ld",
+	seq_printf(m, "%-20s%8lu", mod->name, mod->size);
+	if (mod->flags & MOD_RUNNING)
+		seq_printf(m, "%4ld",
 			      (mod_member_present(mod, can_unload)
 			       && mod->can_unload
 			       ? -1L : (long)atomic_read(&mod->uc.usecount)));
-			safe_copy_str(tmpstr, len);
-		}
 
 	if (mod->flags & MOD_DELETED)
-			safe_copy_cstr(" (deleted)");
+		seq_puts(m, " (deleted)");
 	else if (mod->flags & MOD_RUNNING) {
 		if (mod->flags & MOD_AUTOCLEAN)
-				safe_copy_cstr(" (autoclean)");
+			seq_puts(m, " (autoclean)");
 		if (!(mod->flags & MOD_USED_ONCE))
-				safe_copy_cstr(" (unused)");
-		}
-		else if (mod->flags & MOD_INITIALIZING)
-			safe_copy_cstr(" (initializing)");
-		else
-			safe_copy_cstr(" (uninitialized)");
-
-		if ((ref = mod->refs) != NULL) {
-			safe_copy_cstr(" [");
-			while (1) {
-				q = ref->ref->name;
-				len = strlen(q);
-				safe_copy_str(q, len);
-
-				if ((ref = ref->next_ref) != NULL)
-					safe_copy_cstr(" ");
+			seq_puts(m, " (unused)");
+	} else if (mod->flags & MOD_INITIALIZING)
+		seq_puts(m, " (initializing)");
 	else
-					break;
-			}
-			safe_copy_cstr("]");
-		}
-		safe_copy_cstr("\n");
-
-#undef safe_copy_str
-#undef safe_copy_cstr
-	}
-
-fini:
-	return PAGE_SIZE - left;
+		seq_puts(m, " (uninitialized)");
+	if (ref) {
+		char c;
+		seq_putc(m, ' ');
+		for (c = '[' ; ref; c = ' ', ref = ref->next_ref)
+			seq_printf(m, "%c%s", c, ref->ref->name);
+		seq_putc(m, ']');
+	}
+	seq_putc(m, '\n');
+	return 0;
 }
+struct seq_operations modules_op = {
+	start:	m_start,
+	next:	m_next,
+	stop:	m_stop,
+	show:	m_show
+};
 
 /*
  * Called by the /proc file system to return a current list of ksyms.

mm/slab.c

@@ -75,6 +75,7 @@
 #include	<linux/interrupt.h>
 #include	<linux/init.h>
 #include	<linux/compiler.h>
+#include	<linux/seq_file.h>
 #include	<asm/uaccess.h>
 
 /*
@@ -1869,44 +1870,42 @@ int kmem_cache_reap (int gfp_mask)
 }
 
 #ifdef CONFIG_PROC_FS
-/* /proc/slabinfo
- *	cache-name num-active-objs total-objs
- *	obj-size num-active-slabs total-slabs
- *	num-pages-per-slab
- */
-#define FIXUP(t)				\
-	do {					\
-		if (len <= off) {		\
-			off -= len;		\
-			len = 0;		\
-		} else {			\
-			if (len-off > count)	\
-				goto t;		\
-		}				\
-	} while (0)
 
-static int proc_getdata (char*page, char**start, off_t off, int count)
+static void *s_start(struct seq_file *m, loff_t *pos)
 {
+	loff_t n = *pos;
 	struct list_head *p;
-	int len = 0;
-
-	/* Output format version, so at least we can change it without _too_
-	 * many complaints.
-	 */
-	len += sprintf(page+len, "slabinfo - version: 1.1"
-#if STATS
-				" (statistics)"
-#endif
-#ifdef CONFIG_SMP
-				" (SMP)"
-#endif
-				"\n");
-	FIXUP(got_data);
 
 	down(&cache_chain_sem);
+	if (!n)
+		return (void *)1;
 	p = &cache_cache.next;
-	do {
-		kmem_cache_t	*cachep;
+	while (--n) {
+		p = p->next;
+		if (p == &cache_cache.next)
+			return NULL;
+	}
+	return list_entry(p, kmem_cache_t, next);
+}
+
+static void *s_next(struct seq_file *m, void *p, loff_t *pos)
+{
+	kmem_cache_t *cachep = p;
+	++*pos;
+	if (p == (void *)1)
+		return &cache_cache;
+	cachep = list_entry(cachep->next.next, kmem_cache_t, next);
+	return cachep == &cache_cache ? NULL : cachep;
+}
+
+static void s_stop(struct seq_file *m, void *p)
+{
+	up(&cache_chain_sem);
+}
+
+static int s_show(struct seq_file *m, void *p)
+{
+	kmem_cache_t *cachep = p;
 	struct list_head *q;
 	slab_t		*slabp;
 	unsigned long	active_objs;
@@ -1914,7 +1913,22 @@ static int proc_getdata (char*page, char**start, off_t off, int count)
 	unsigned long	active_slabs = 0;
 	unsigned long	num_slabs;
 	const char *name; 
-		cachep = list_entry(p, kmem_cache_t, next);
+
+	if (p == (void*)1) {
+		/*
+		 * Output format version, so at least we can change it
+		 * without _too_ many complaints.
+		 */
+		seq_puts(m, "slabinfo - version: 1.1"
+#if STATS
+				" (statistics)"
+#endif
+#ifdef CONFIG_SMP
+				" (SMP)"
+#endif
+				"\n");
+		return 0;
+	}
 
 	spin_lock_irq(&cachep->spinlock);
 	active_objs = 0;
@@ -1949,7 +1963,7 @@ static int proc_getdata (char*page, char**start, off_t off, int count)
 		name = "broken"; 
 	} 	
 
-		len += sprintf(page+len, "%-17s %6lu %6lu %6u %4lu %4lu %4u",
+	seq_printf(m, "%-17s %6lu %6lu %6u %4lu %4lu %4u",
 		name, active_objs, num_objs, cachep->objsize,
 		active_slabs, num_slabs, (1<<cachep->gfporder));
 
@@ -1961,7 +1975,7 @@ static int proc_getdata (char*page, char**start, off_t off, int count)
 		unsigned long reaped = cachep->reaped;
 		unsigned long allocs = cachep->num_allocations;
 
-			len += sprintf(page+len, " : %6lu %7lu %5lu %4lu %4lu",
+		seq_printf(m, " : %6lu %7lu %5lu %4lu %4lu",
 				high, allocs, grown, reaped, errors);
 	}
 #endif
@@ -1974,8 +1988,7 @@ static int proc_getdata (char*page, char**start, off_t off, int count)
 			limit = cc_data(cachep)->limit;
 		 else
 			limit = 0;
-			len += sprintf(page+len, " : %4u %4u",
-					limit, batchcount);
+		seq_printf(m, " : %4u %4u", limit, batchcount);
 	}
 #endif
 #if STATS && defined(CONFIG_SMP)
@@ -1984,33 +1997,19 @@ static int proc_getdata (char*page, char**start, off_t off, int count)
 		unsigned long allocmiss = atomic_read(&cachep->allocmiss);
 		unsigned long freehit = atomic_read(&cachep->freehit);
 		unsigned long freemiss = atomic_read(&cachep->freemiss);
-			len += sprintf(page+len, " : %6lu %6lu %6lu %6lu",
+		seq_printf(m, " : %6lu %6lu %6lu %6lu",
 				allochit, allocmiss, freehit, freemiss);
 	}
 #endif
-		len += sprintf(page+len,"\n");
 	spin_unlock_irq(&cachep->spinlock);
-		FIXUP(got_data_up);
-		p = cachep->next.next;
-	} while (p != &cache_cache.next);
-got_data_up:
-	up(&cache_chain_sem);
-
-got_data:
-	*start = page+off;
-	return len;
+	seq_putc(m, '\n');
+	return 0;
 }
 
 /**
- * slabinfo_read_proc - generates /proc/slabinfo
- * @page: scratch area, one page long
- * @start: pointer to the pointer to the output buffer
- * @off: offset within /proc/slabinfo the caller is interested in
- * @count: requested len in bytes
- * @eof: eof marker
- * @data: unused
+ * slabinfo_op - iterator that generates /proc/slabinfo
  *
- * The contents of the buffer are
+ * Output layout:
  * cache-name
  * num-active-objs
  * total-objs
@@ -2020,28 +2019,24 @@ static int proc_getdata (char*page, char**start, off_t off, int count)
  * num-pages-per-slab
  * + further values on SMP and with statistics enabled
  */
-int slabinfo_read_proc (char *page, char **start, off_t off,
-				 int count, int *eof, void *data)
-{
-	int len = proc_getdata(page, start, off, count);
-	len -= (*start-page);
-	if (len <= count)
-		*eof = 1;
-	if (len>count) len = count;
-	if (len<0) len = 0;
-	return len;
-}
+
+struct seq_operations slabinfo_op = {
+	start:	s_start,
+	next:	s_next,
+	stop:	s_stop,
+	show:	s_show
+};
 
 #define MAX_SLABINFO_WRITE 128
 /**
- * slabinfo_write_proc - SMP tuning for the slab allocator
+ * slabinfo_write - SMP tuning for the slab allocator
  * @file: unused
  * @buffer: user buffer
  * @count: data len
  * @data: unused
  */
-int slabinfo_write_proc (struct file *file, const char *buffer,
-				unsigned long count, void *data)
+ssize_t slabinfo_write(struct file *file, const char *buffer,
+				size_t count, loff_t *ppos)
 {
 #ifdef CONFIG_SMP
 	char kbuf[MAX_SLABINFO_WRITE+1], *tmp;