[PATCH] sem2mutex: fs/

Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.
Signed-off-by: NIngo Molnar <mingo@elte.hu>
Cc: Eric Van Hensbergen <ericvh@ericvh.myip.org>
Cc: Robert Love <rml@tech9.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Neil Brown <neilb@cse.unsw.edu.au>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

fs/cramfs/inode.c

@@ -22,6 +22,7 @@
 #include <linux/cramfs_fs_sb.h>
 #include <linux/buffer_head.h>
 #include <linux/vfs.h>
+#include <linux/mutex.h>
 #include <asm/semaphore.h>
 
 #include <asm/uaccess.h>
@@ -31,7 +32,7 @@ static struct inode_operations cramfs_dir_inode_operations;
 static struct file_operations cramfs_directory_operations;
 static struct address_space_operations cramfs_aops;
 
-static DECLARE_MUTEX(read_mutex);
+static DEFINE_MUTEX(read_mutex);
 
 
 /* These two macros may change in future, to provide better st_ino
@@ -250,20 +251,20 @@ static int cramfs_fill_super(struct super_block *sb, void *data, int silent)
 	memset(sbi, 0, sizeof(struct cramfs_sb_info));
 
 	/* Invalidate the read buffers on mount: think disk change.. */
-	down(&read_mutex);
+	mutex_lock(&read_mutex);
 	for (i = 0; i < READ_BUFFERS; i++)
 		buffer_blocknr[i] = -1;
 
 	/* Read the first block and get the superblock from it */
 	memcpy(&super, cramfs_read(sb, 0, sizeof(super)), sizeof(super));
-	up(&read_mutex);
+	mutex_unlock(&read_mutex);
 
 	/* Do sanity checks on the superblock */
 	if (super.magic != CRAMFS_MAGIC) {
 		/* check at 512 byte offset */
-		down(&read_mutex);
+		mutex_lock(&read_mutex);
 		memcpy(&super, cramfs_read(sb, 512, sizeof(super)), sizeof(super));
-		up(&read_mutex);
+		mutex_unlock(&read_mutex);
 		if (super.magic != CRAMFS_MAGIC) {
 			if (!silent)
 				printk(KERN_ERR "cramfs: wrong magic\n");
@@ -366,7 +367,7 @@ static int cramfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 		mode_t mode;
 		int namelen, error;
 
-		down(&read_mutex);
+		mutex_lock(&read_mutex);
 		de = cramfs_read(sb, OFFSET(inode) + offset, sizeof(*de)+256);
 		name = (char *)(de+1);
 
@@ -379,7 +380,7 @@ static int cramfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 		memcpy(buf, name, namelen);
 		ino = CRAMINO(de);
 		mode = de->mode;
-		up(&read_mutex);
+		mutex_unlock(&read_mutex);
 		nextoffset = offset + sizeof(*de) + namelen;
 		for (;;) {
 			if (!namelen) {
@@ -410,7 +411,7 @@ static struct dentry * cramfs_lookup(struct inode *dir, struct dentry *dentry, s
 	unsigned int offset = 0;
 	int sorted;
 
-	down(&read_mutex);
+	mutex_lock(&read_mutex);
 	sorted = CRAMFS_SB(dir->i_sb)->flags & CRAMFS_FLAG_SORTED_DIRS;
 	while (offset < dir->i_size) {
 		struct cramfs_inode *de;
@@ -433,7 +434,7 @@ static struct dentry * cramfs_lookup(struct inode *dir, struct dentry *dentry, s
 
 		for (;;) {
 			if (!namelen) {
-				up(&read_mutex);
+				mutex_unlock(&read_mutex);
 				return ERR_PTR(-EIO);
 			}
 			if (name[namelen-1])
@@ -447,7 +448,7 @@ static struct dentry * cramfs_lookup(struct inode *dir, struct dentry *dentry, s
 			continue;
 		if (!retval) {
 			struct cramfs_inode entry = *de;
-			up(&read_mutex);
+			mutex_unlock(&read_mutex);
 			d_add(dentry, get_cramfs_inode(dir->i_sb, &entry));
 			return NULL;
 		}
@@ -455,7 +456,7 @@ static struct dentry * cramfs_lookup(struct inode *dir, struct dentry *dentry, s
 		if (sorted)
 			break;
 	}
-	up(&read_mutex);
+	mutex_unlock(&read_mutex);
 	d_add(dentry, NULL);
 	return NULL;
 }
@@ -474,21 +475,21 @@ static int cramfs_readpage(struct file *file, struct page * page)
 		u32 start_offset, compr_len;
 
 		start_offset = OFFSET(inode) + maxblock*4;
-		down(&read_mutex);
+		mutex_lock(&read_mutex);
 		if (page->index)
 			start_offset = *(u32 *) cramfs_read(sb, blkptr_offset-4, 4);
 		compr_len = (*(u32 *) cramfs_read(sb, blkptr_offset, 4) - start_offset);
-		up(&read_mutex);
+		mutex_unlock(&read_mutex);
 		pgdata = kmap(page);
 		if (compr_len == 0)
 			; /* hole */
 		else {
-			down(&read_mutex);
+			mutex_lock(&read_mutex);
 			bytes_filled = cramfs_uncompress_block(pgdata,
 				 PAGE_CACHE_SIZE,
 				 cramfs_read(sb, start_offset, compr_len),
 				 compr_len);
-			up(&read_mutex);
+			mutex_unlock(&read_mutex);
 		}
 	} else
 		pgdata = kmap(page);

fs/dcookies.c

@@ -23,6 +23,7 @@
 #include <linux/mm.h>
 #include <linux/errno.h>
 #include <linux/dcookies.h>
+#include <linux/mutex.h>
 #include <asm/uaccess.h>
 
 /* The dcookies are allocated from a kmem_cache and
@@ -36,7 +37,7 @@ struct dcookie_struct {
 };
 
 static LIST_HEAD(dcookie_users);
-static DECLARE_MUTEX(dcookie_sem);
+static DEFINE_MUTEX(dcookie_mutex);
 static kmem_cache_t * dcookie_cache;
 static struct list_head * dcookie_hashtable;
 static size_t hash_size;
@@ -114,7 +115,7 @@ int get_dcookie(struct dentry * dentry, struct vfsmount * vfsmnt,
 	int err = 0;
 	struct dcookie_struct * dcs;
 
-	down(&dcookie_sem);
+	mutex_lock(&dcookie_mutex);
 
 	if (!is_live()) {
 		err = -EINVAL;
@@ -134,7 +135,7 @@ int get_dcookie(struct dentry * dentry, struct vfsmount * vfsmnt,
 	*cookie = dcookie_value(dcs);
 
 out:
-	up(&dcookie_sem);
+	mutex_unlock(&dcookie_mutex);
 	return err;
 }
 
@@ -157,7 +158,7 @@ asmlinkage long sys_lookup_dcookie(u64 cookie64, char __user * buf, size_t len)
 	if (!capable(CAP_SYS_ADMIN))
 		return -EPERM;
 
-	down(&dcookie_sem);
+	mutex_lock(&dcookie_mutex);
 
 	if (!is_live()) {
 		err = -EINVAL;
@@ -192,7 +193,7 @@ asmlinkage long sys_lookup_dcookie(u64 cookie64, char __user * buf, size_t len)
 out_free:
 	kfree(kbuf);
 out:
-	up(&dcookie_sem);
+	mutex_unlock(&dcookie_mutex);
 	return err;
 }
 
@@ -290,7 +291,7 @@ struct dcookie_user * dcookie_register(void)
 {
 	struct dcookie_user * user;
 
-	down(&dcookie_sem);
+	mutex_lock(&dcookie_mutex);
 
 	user = kmalloc(sizeof(struct dcookie_user), GFP_KERNEL);
 	if (!user)
@@ -302,7 +303,7 @@ struct dcookie_user * dcookie_register(void)
 	list_add(&user->next, &dcookie_users);
 
 out:
-	up(&dcookie_sem);
+	mutex_unlock(&dcookie_mutex);
 	return user;
 out_free:
 	kfree(user);
@@ -313,7 +314,7 @@ struct dcookie_user * dcookie_register(void)
 
 void dcookie_unregister(struct dcookie_user * user)
 {
-	down(&dcookie_sem);
+	mutex_lock(&dcookie_mutex);
 
 	list_del(&user->next);
 	kfree(user);
@@ -321,7 +322,7 @@ void dcookie_unregister(struct dcookie_user * user)
 	if (!is_live())
 		dcookie_exit();
 
-	up(&dcookie_sem);
+	mutex_unlock(&dcookie_mutex);
 }
 
 EXPORT_SYMBOL_GPL(dcookie_register);

fs/jffs2/compr_zlib.c

@@ -33,13 +33,14 @@
 	*/
 #define STREAM_END_SPACE 12
 
-static DECLARE_MUTEX(deflate_sem);
-static DECLARE_MUTEX(inflate_sem);
+static DEFINE_MUTEX(deflate_mutex);
+static DEFINE_MUTEX(inflate_mutex);
 static z_stream inf_strm, def_strm;
 
 #ifdef __KERNEL__ /* Linux-only */
 #include <linux/vmalloc.h>
 #include <linux/init.h>
+#include <linux/mutex.h>
 
 static int __init alloc_workspaces(void)
 {
@@ -79,11 +80,11 @@ static int jffs2_zlib_compress(unsigned char *data_in,
 	if (*dstlen <= STREAM_END_SPACE)
 		return -1;
 
-	down(&deflate_sem);
+	mutex_lock(&deflate_mutex);
 
 	if (Z_OK != zlib_deflateInit(&def_strm, 3)) {
 		printk(KERN_WARNING "deflateInit failed\n");
-		up(&deflate_sem);
+		mutex_unlock(&deflate_mutex);
 		return -1;
 	}
 
@@ -104,7 +105,7 @@ static int jffs2_zlib_compress(unsigned char *data_in,
 		if (ret != Z_OK) {
 			D1(printk(KERN_DEBUG "deflate in loop returned %d\n", ret));
 			zlib_deflateEnd(&def_strm);
-			up(&deflate_sem);
+			mutex_unlock(&deflate_mutex);
 			return -1;
 		}
 	}
@@ -133,7 +134,7 @@ static int jffs2_zlib_compress(unsigned char *data_in,
 	*sourcelen = def_strm.total_in;
 	ret = 0;
  out:
-	up(&deflate_sem);
+	mutex_unlock(&deflate_mutex);
 	return ret;
 }
 
@@ -145,7 +146,7 @@ static int jffs2_zlib_decompress(unsigned char *data_in,
 	int ret;
 	int wbits = MAX_WBITS;
 
-	down(&inflate_sem);
+	mutex_lock(&inflate_mutex);
 
 	inf_strm.next_in = data_in;
 	inf_strm.avail_in = srclen;
@@ -173,7 +174,7 @@ static int jffs2_zlib_decompress(unsigned char *data_in,
 
 	if (Z_OK != zlib_inflateInit2(&inf_strm, wbits)) {
 		printk(KERN_WARNING "inflateInit failed\n");
-		up(&inflate_sem);
+		mutex_unlock(&inflate_mutex);
 		return 1;
 	}
 
@@ -183,7 +184,7 @@ static int jffs2_zlib_decompress(unsigned char *data_in,
 		printk(KERN_NOTICE "inflate returned %d\n", ret);
 	}
 	zlib_inflateEnd(&inf_strm);
-	up(&inflate_sem);
+	mutex_unlock(&inflate_mutex);
         return 0;
 }
 

fs/jfs/jfs_logmgr.c

@@ -69,6 +69,7 @@
 #include <linux/bio.h>
 #include <linux/suspend.h>
 #include <linux/delay.h>
+#include <linux/mutex.h>
 #include "jfs_incore.h"
 #include "jfs_filsys.h"
 #include "jfs_metapage.h"
@@ -165,7 +166,7 @@ do {						\
  */
 static LIST_HEAD(jfs_external_logs);
 static struct jfs_log *dummy_log = NULL;
-static DECLARE_MUTEX(jfs_log_sem);
+static DEFINE_MUTEX(jfs_log_mutex);
 
 /*
  * forward references
@@ -1085,20 +1086,20 @@ int lmLogOpen(struct super_block *sb)
 	if (sbi->mntflag & JFS_INLINELOG)
 		return open_inline_log(sb);
 
-	down(&jfs_log_sem);
+	mutex_lock(&jfs_log_mutex);
 	list_for_each_entry(log, &jfs_external_logs, journal_list) {
 		if (log->bdev->bd_dev == sbi->logdev) {
 			if (memcmp(log->uuid, sbi->loguuid,
 				   sizeof(log->uuid))) {
 				jfs_warn("wrong uuid on JFS journal\n");
-				up(&jfs_log_sem);
+				mutex_unlock(&jfs_log_mutex);
 				return -EINVAL;
 			}
 			/*
 			 * add file system to log active file system list
 			 */
 			if ((rc = lmLogFileSystem(log, sbi, 1))) {
-				up(&jfs_log_sem);
+				mutex_unlock(&jfs_log_mutex);
 				return rc;
 			}
 			goto journal_found;
@@ -1106,7 +1107,7 @@ int lmLogOpen(struct super_block *sb)
 	}
 
 	if (!(log = kzalloc(sizeof(struct jfs_log), GFP_KERNEL))) {
-		up(&jfs_log_sem);
+		mutex_unlock(&jfs_log_mutex);
 		return -ENOMEM;
 	}
 	INIT_LIST_HEAD(&log->sb_list);
@@ -1151,7 +1152,7 @@ int lmLogOpen(struct super_block *sb)
 	sbi->log = log;
 	LOG_UNLOCK(log);
 
-	up(&jfs_log_sem);
+	mutex_unlock(&jfs_log_mutex);
 	return 0;
 
 	/*
@@ -1168,7 +1169,7 @@ int lmLogOpen(struct super_block *sb)
 	blkdev_put(bdev);
 
       free:		/* free log descriptor */
-	up(&jfs_log_sem);
+	mutex_unlock(&jfs_log_mutex);
 	kfree(log);
 
 	jfs_warn("lmLogOpen: exit(%d)", rc);
@@ -1212,11 +1213,11 @@ static int open_dummy_log(struct super_block *sb)
 {
 	int rc;
 
-	down(&jfs_log_sem);
+	mutex_lock(&jfs_log_mutex);
 	if (!dummy_log) {
 		dummy_log = kzalloc(sizeof(struct jfs_log), GFP_KERNEL);
 		if (!dummy_log) {
-			up(&jfs_log_sem);
+			mutex_unlock(&jfs_log_mutex);
 			return -ENOMEM;
 		}
 		INIT_LIST_HEAD(&dummy_log->sb_list);
@@ -1229,7 +1230,7 @@ static int open_dummy_log(struct super_block *sb)
 		if (rc) {
 			kfree(dummy_log);
 			dummy_log = NULL;
-			up(&jfs_log_sem);
+			mutex_unlock(&jfs_log_mutex);
 			return rc;
 		}
 	}
@@ -1238,7 +1239,7 @@ static int open_dummy_log(struct super_block *sb)
 	list_add(&JFS_SBI(sb)->log_list, &dummy_log->sb_list);
 	JFS_SBI(sb)->log = dummy_log;
 	LOG_UNLOCK(dummy_log);
-	up(&jfs_log_sem);
+	mutex_unlock(&jfs_log_mutex);
 
 	return 0;
 }
@@ -1466,7 +1467,7 @@ int lmLogClose(struct super_block *sb)
 
 	jfs_info("lmLogClose: log:0x%p", log);
 
-	down(&jfs_log_sem);
+	mutex_lock(&jfs_log_mutex);
 	LOG_LOCK(log);
 	list_del(&sbi->log_list);
 	LOG_UNLOCK(log);
@@ -1516,7 +1517,7 @@ int lmLogClose(struct super_block *sb)
 	kfree(log);
 
       out:
-	up(&jfs_log_sem);
+	mutex_unlock(&jfs_log_mutex);
 	jfs_info("lmLogClose: exit(%d)", rc);
 	return rc;
 }

fs/lockd/host.c

@@ -16,6 +16,7 @@
 #include <linux/sunrpc/svc.h>
 #include <linux/lockd/lockd.h>
 #include <linux/lockd/sm_inter.h>
+#include <linux/mutex.h>
 
 
 #define NLMDBG_FACILITY		NLMDBG_HOSTCACHE
@@ -30,7 +31,7 @@
 static struct nlm_host *	nlm_hosts[NLM_HOST_NRHASH];
 static unsigned long		next_gc;
 static int			nrhosts;
-static DECLARE_MUTEX(nlm_host_sema);
+static DEFINE_MUTEX(nlm_host_mutex);
 
 
 static void			nlm_gc_hosts(void);
@@ -71,7 +72,7 @@ nlm_lookup_host(int server, struct sockaddr_in *sin,
 	hash = NLM_ADDRHASH(sin->sin_addr.s_addr);
 
 	/* Lock hash table */
-	down(&nlm_host_sema);
+	mutex_lock(&nlm_host_mutex);
 
 	if (time_after_eq(jiffies, next_gc))
 		nlm_gc_hosts();
@@ -91,7 +92,7 @@ nlm_lookup_host(int server, struct sockaddr_in *sin,
 				nlm_hosts[hash] = host;
 			}
 			nlm_get_host(host);
-			up(&nlm_host_sema);
+			mutex_unlock(&nlm_host_mutex);
 			return host;
 		}
 	}
@@ -130,7 +131,7 @@ nlm_lookup_host(int server, struct sockaddr_in *sin,
 		next_gc = 0;
 
 nohost:
-	up(&nlm_host_sema);
+	mutex_unlock(&nlm_host_mutex);
 	return host;
 }
 
@@ -141,19 +142,19 @@ nlm_find_client(void)
 	 * and return it
 	 */
 	int hash;
-	down(&nlm_host_sema);
+	mutex_lock(&nlm_host_mutex);
 	for (hash = 0 ; hash < NLM_HOST_NRHASH; hash++) {
 		struct nlm_host *host, **hp;
 		for (hp = &nlm_hosts[hash]; (host = *hp) != 0; hp = &host->h_next) {
 			if (host->h_server &&
 			    host->h_killed == 0) {
 				nlm_get_host(host);
-				up(&nlm_host_sema);
+				mutex_unlock(&nlm_host_mutex);
 				return host;
 			}
 		}
 	}
-	up(&nlm_host_sema);
+	mutex_unlock(&nlm_host_mutex);
 	return NULL;
 }
 
@@ -265,7 +266,7 @@ nlm_shutdown_hosts(void)
 	int		i;
 
 	dprintk("lockd: shutting down host module\n");
-	down(&nlm_host_sema);
+	mutex_lock(&nlm_host_mutex);
 
 	/* First, make all hosts eligible for gc */
 	dprintk("lockd: nuking all hosts...\n");
@@ -276,7 +277,7 @@ nlm_shutdown_hosts(void)
 
 	/* Then, perform a garbage collection pass */
 	nlm_gc_hosts();
-	up(&nlm_host_sema);
+	mutex_unlock(&nlm_host_mutex);
 
 	/* complain if any hosts are left */
 	if (nrhosts) {

fs/lockd/svc.c

@@ -25,6 +25,7 @@
 #include <linux/slab.h>
 #include <linux/smp.h>
 #include <linux/smp_lock.h>
+#include <linux/mutex.h>
 
 #include <linux/sunrpc/types.h>
 #include <linux/sunrpc/stats.h>
@@ -43,13 +44,13 @@ static struct svc_program	nlmsvc_program;
 struct nlmsvc_binding *		nlmsvc_ops;
 EXPORT_SYMBOL(nlmsvc_ops);
 
-static DECLARE_MUTEX(nlmsvc_sema);
+static DEFINE_MUTEX(nlmsvc_mutex);
 static unsigned int		nlmsvc_users;
 static pid_t			nlmsvc_pid;
 int				nlmsvc_grace_period;
 unsigned long			nlmsvc_timeout;
 
-static DECLARE_MUTEX_LOCKED(lockd_start);
+static DECLARE_COMPLETION(lockd_start_done);
 static DECLARE_WAIT_QUEUE_HEAD(lockd_exit);
 
 /*
@@ -112,7 +113,7 @@ lockd(struct svc_rqst *rqstp)
 	 * Let our maker know we're running.
 	 */
 	nlmsvc_pid = current->pid;
-	up(&lockd_start);
+	complete(&lockd_start_done);
 
 	daemonize("lockd");
 
@@ -215,7 +216,7 @@ lockd_up(void)
 	struct svc_serv *	serv;
 	int			error = 0;
 
-	down(&nlmsvc_sema);
+	mutex_lock(&nlmsvc_mutex);
 	/*
 	 * Unconditionally increment the user count ... this is
 	 * the number of clients who _want_ a lockd process.
@@ -263,7 +264,7 @@ lockd_up(void)
 			"lockd_up: create thread failed, error=%d\n", error);
 		goto destroy_and_out;
 	}
-	down(&lockd_start);
+	wait_for_completion(&lockd_start_done);
 
 	/*
 	 * Note: svc_serv structures have an initial use count of 1,
@@ -272,7 +273,7 @@ lockd_up(void)
 destroy_and_out:
 	svc_destroy(serv);
 out:
-	up(&nlmsvc_sema);
+	mutex_unlock(&nlmsvc_mutex);
 	return error;
 }
 EXPORT_SYMBOL(lockd_up);
@@ -285,7 +286,7 @@ lockd_down(void)
 {
 	static int warned;
 
-	down(&nlmsvc_sema);
+	mutex_lock(&nlmsvc_mutex);
 	if (nlmsvc_users) {
 		if (--nlmsvc_users)
 			goto out;
@@ -315,7 +316,7 @@ lockd_down(void)
 	recalc_sigpending();
 	spin_unlock_irq(&current->sighand->siglock);
 out:
-	up(&nlmsvc_sema);
+	mutex_unlock(&nlmsvc_mutex);
 }
 EXPORT_SYMBOL(lockd_down);
 

fs/lockd/svcsubs.c

@@ -11,6 +11,7 @@
 #include <linux/string.h>
 #include <linux/time.h>
 #include <linux/in.h>
+#include <linux/mutex.h>
 #include <linux/sunrpc/svc.h>
 #include <linux/sunrpc/clnt.h>
 #include <linux/nfsd/nfsfh.h>
@@ -28,7 +29,7 @@
 #define FILE_HASH_BITS		5
 #define FILE_NRHASH		(1<<FILE_HASH_BITS)
 static struct nlm_file *	nlm_files[FILE_NRHASH];
-static DECLARE_MUTEX(nlm_file_sema);
+static DEFINE_MUTEX(nlm_file_mutex);
 
 #ifdef NFSD_DEBUG
 static inline void nlm_debug_print_fh(char *msg, struct nfs_fh *f)
@@ -91,7 +92,7 @@ nlm_lookup_file(struct svc_rqst *rqstp, struct nlm_file **result,
 	hash = file_hash(f);
 
 	/* Lock file table */
-	down(&nlm_file_sema);
+	mutex_lock(&nlm_file_mutex);
 
 	for (file = nlm_files[hash]; file; file = file->f_next)
 		if (!nfs_compare_fh(&file->f_handle, f))
@@ -130,7 +131,7 @@ nlm_lookup_file(struct svc_rqst *rqstp, struct nlm_file **result,
 	nfserr = 0;
 
 out_unlock:
-	up(&nlm_file_sema);
+	mutex_unlock(&nlm_file_mutex);
 	return nfserr;
 
 out_free:
@@ -239,14 +240,14 @@ nlm_traverse_files(struct nlm_host *host, int action)
 	struct nlm_file	*file, **fp;
 	int		i;
 
-	down(&nlm_file_sema);
+	mutex_lock(&nlm_file_mutex);
 	for (i = 0; i < FILE_NRHASH; i++) {
 		fp = nlm_files + i;
 		while ((file = *fp) != NULL) {
 			/* Traverse locks, blocks and shares of this file
 			 * and update file->f_locks count */
 			if (nlm_inspect_file(host, file, action)) {
-				up(&nlm_file_sema);
+				mutex_unlock(&nlm_file_mutex);
 				return 1;
 			}
 
@@ -261,7 +262,7 @@ nlm_traverse_files(struct nlm_host *host, int action)
 			}
 		}
 	}
-	up(&nlm_file_sema);
+	mutex_unlock(&nlm_file_mutex);
 	return 0;
 }
 
@@ -281,7 +282,7 @@ nlm_release_file(struct nlm_file *file)
 				file, file->f_count);
 
 	/* Lock file table */
-	down(&nlm_file_sema);
+	mutex_lock(&nlm_file_mutex);
 
 	/* If there are no more locks etc, delete the file */
 	if(--file->f_count == 0) {
@@ -289,7 +290,7 @@ nlm_release_file(struct nlm_file *file)
 			nlm_delete_file(file);
 	}
 
-	up(&nlm_file_sema);
+	mutex_unlock(&nlm_file_mutex);
 }
 
 /*

fs/nfs/callback.c

@@ -14,6 +14,7 @@
 #include <linux/sunrpc/svc.h>
 #include <linux/sunrpc/svcsock.h>
 #include <linux/nfs_fs.h>
+#include <linux/mutex.h>
 
 #include <net/inet_sock.h>
 
@@ -31,7 +32,7 @@ struct nfs_callback_data {
 };
 
 static struct nfs_callback_data nfs_callback_info;
-static DECLARE_MUTEX(nfs_callback_sema);
+static DEFINE_MUTEX(nfs_callback_mutex);
 static struct svc_program nfs4_callback_program;
 
 unsigned int nfs_callback_set_tcpport;
@@ -95,7 +96,7 @@ int nfs_callback_up(void)
 	int ret = 0;
 
 	lock_kernel();
-	down(&nfs_callback_sema);
+	mutex_lock(&nfs_callback_mutex);
 	if (nfs_callback_info.users++ || nfs_callback_info.pid != 0)
 		goto out;
 	init_completion(&nfs_callback_info.started);
@@ -121,7 +122,7 @@ int nfs_callback_up(void)
 	nfs_callback_info.serv = serv;
 	wait_for_completion(&nfs_callback_info.started);
 out:
-	up(&nfs_callback_sema);
+	mutex_unlock(&nfs_callback_mutex);
 	unlock_kernel();
 	return ret;
 out_destroy:
@@ -139,7 +140,7 @@ int nfs_callback_down(void)
 	int ret = 0;
 
 	lock_kernel();
-	down(&nfs_callback_sema);
+	mutex_lock(&nfs_callback_mutex);
 	nfs_callback_info.users--;
 	do {
 		if (nfs_callback_info.users != 0 || nfs_callback_info.pid == 0)
@@ -147,7 +148,7 @@ int nfs_callback_down(void)
 		if (kill_proc(nfs_callback_info.pid, SIGKILL, 1) < 0)
 			break;
 	} while (wait_for_completion_timeout(&nfs_callback_info.stopped, 5*HZ) == 0);
-	up(&nfs_callback_sema);
+	mutex_unlock(&nfs_callback_mutex);
 	unlock_kernel();
 	return ret;
 }

fs/nfsd/nfs4state.c

@@ -49,6 +49,7 @@
 #include <linux/nfsd/state.h>
 #include <linux/nfsd/xdr4.h>
 #include <linux/namei.h>
+#include <linux/mutex.h>
 
 #define NFSDDBG_FACILITY                NFSDDBG_PROC
 
@@ -77,11 +78,11 @@ static void nfs4_set_recdir(char *recdir);
 
 /* Locking:
  *
- * client_sema: 
+ * client_mutex:
  * 	protects clientid_hashtbl[], clientstr_hashtbl[],
  * 	unconfstr_hashtbl[], uncofid_hashtbl[].
  */
-static DECLARE_MUTEX(client_sema);
+static DEFINE_MUTEX(client_mutex);
 
 static kmem_cache_t *stateowner_slab = NULL;
 static kmem_cache_t *file_slab = NULL;
@@ -91,13 +92,13 @@ static kmem_cache_t *deleg_slab = NULL;
 void
 nfs4_lock_state(void)
 {
-	down(&client_sema);
+	mutex_lock(&client_mutex);
 }
 
 void
 nfs4_unlock_state(void)
 {
-	up(&client_sema);
+	mutex_unlock(&client_mutex);
 }
 
 static inline u32

fs/partitions/devfs.c

@@ -6,7 +6,7 @@
 #include <linux/vmalloc.h>
 #include <linux/genhd.h>
 #include <linux/bitops.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 
 
 struct unique_numspace {
@@ -16,7 +16,7 @@ struct unique_numspace {
 	struct semaphore  mutex;
 };
 
-static DECLARE_MUTEX(numspace_mutex);
+static DEFINE_MUTEX(numspace_mutex);
 
 static int expand_numspace(struct unique_numspace *s)
 {
@@ -48,7 +48,7 @@ static int alloc_unique_number(struct unique_numspace *s)
 {
 	int rval = 0;
 
-	down(&numspace_mutex);
+	mutex_lock(&numspace_mutex);
 	if (s->num_free < 1)
 		rval = expand_numspace(s);
 	if (!rval) {
@@ -56,7 +56,7 @@ static int alloc_unique_number(struct unique_numspace *s)
 		--s->num_free;
 		__set_bit(rval, s->bits);
 	}
-	up(&numspace_mutex);
+	mutex_unlock(&numspace_mutex);
 
 	return rval;
 }
@@ -66,11 +66,11 @@ static void dealloc_unique_number(struct unique_numspace *s, int number)
 	int old_val;
 
 	if (number >= 0) {
-		down(&numspace_mutex);
+		mutex_lock(&numspace_mutex);
 		old_val = __test_and_clear_bit(number, s->bits);
 		if (old_val)
 			++s->num_free;
-		up(&numspace_mutex);
+		mutex_unlock(&numspace_mutex);
 	}
 }
 

fs/super.c

@@ -37,6 +37,7 @@
 #include <linux/writeback.h>		/* for the emergency remount stuff */
 #include <linux/idr.h>
 #include <linux/kobject.h>
+#include <linux/mutex.h>
 #include <asm/uaccess.h>
 
 
@@ -380,9 +381,9 @@ void sync_supers(void)
 void sync_filesystems(int wait)
 {
 	struct super_block *sb;
-	static DECLARE_MUTEX(mutex);
+	static DEFINE_MUTEX(mutex);
 
-	down(&mutex);		/* Could be down_interruptible */
+	mutex_lock(&mutex);		/* Could be down_interruptible */
 	spin_lock(&sb_lock);
 	list_for_each_entry(sb, &super_blocks, s_list) {
 		if (!sb->s_op->sync_fs)
@@ -411,7 +412,7 @@ void sync_filesystems(int wait)
 			goto restart;
 	}
 	spin_unlock(&sb_lock);
-	up(&mutex);
+	mutex_unlock(&mutex);
 }
 
 /**