Try to unbreak makefile build by excluding gtest-all.cc source

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169564 91177308-0d34-0410-b5e6-96231b3b80d8
author: Alexey Samsonov <samsonov@google.com> 2012-12-06 23:59:54 +0000
committer: Alexey Samsonov <samsonov@google.com> 2012-12-06 23:59:54 +0000
commit: e40aecf037a60e2c30f29c322eb09bd7da0fe0a9 (patch)
tree: d1402791746788160fd56f1487499e9098aa25d0 /lib
parent: c4e8ddff0c29bfc2eb1d5bf13e947bd04d4454ff (diff)
0 files changed, 0 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index 1f3507c75e9..d2ba358c6e3 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -137,7 +137,7 @@ spufs_delete_inode(struct inode *inode)
 static void spufs_prune_dir(struct dentry *dir)
 {
 	struct dentry *dentry, *tmp;
-	down(&dir->d_inode->i_sem);
+	mutex_lock(&dir->d_inode->i_mutex);
 	list_for_each_entry_safe(dentry, tmp, &dir->d_subdirs, d_child) {
 		spin_lock(&dcache_lock);
 		spin_lock(&dentry->d_lock);
@@ -154,7 +154,7 @@ static void spufs_prune_dir(struct dentry *dir)
 		}
 	}
 	shrink_dcache_parent(dir);
-	up(&dir->d_inode->i_sem);
+	mutex_unlock(&dir->d_inode->i_mutex);
 }
 
 static int spufs_rmdir(struct inode *root, struct dentry *dir_dentry)
@@ -162,15 +162,15 @@ static int spufs_rmdir(struct inode *root, struct dentry *dir_dentry)
 	struct spu_context *ctx;
 
 	/* remove all entries */
-	down(&root->i_sem);
+	mutex_lock(&root->i_mutex);
 	spufs_prune_dir(dir_dentry);
-	up(&root->i_sem);
+	mutex_unlock(&root->i_mutex);
 
 	/* We have to give up the mm_struct */
 	ctx = SPUFS_I(dir_dentry->d_inode)->i_ctx;
 	spu_forget(ctx);
 
-	/* XXX Do we need to hold i_sem here ? */
+	/* XXX Do we need to hold i_mutex here ? */
 	return simple_rmdir(root, dir_dentry);
 }
 
@@ -330,7 +330,7 @@ long spufs_create_thread(struct nameidata *nd,
 out_dput:
 	dput(dentry);
 out_dir:
-	up(&nd->dentry->d_inode->i_sem);
+	mutex_unlock(&nd->dentry->d_inode->i_mutex);
 out:
 	return ret;
 }
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index a452b13620a..bed9ad76c04 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -215,7 +215,7 @@ static int do_lo_send_aops(struct loop_device *lo, struct bio_vec *bvec,
 	unsigned offset, bv_offs;
 	int len, ret;
 
-	down(&mapping->host->i_sem);
+	mutex_lock(&mapping->host->i_mutex);
 	index = pos >> PAGE_CACHE_SHIFT;
 	offset = pos & ((pgoff_t)PAGE_CACHE_SIZE - 1);
 	bv_offs = bvec->bv_offset;
@@ -278,7 +278,7 @@ static int do_lo_send_aops(struct loop_device *lo, struct bio_vec *bvec,
 	}
 	ret = 0;
 out:
-	up(&mapping->host->i_sem);
+	mutex_unlock(&mapping->host->i_mutex);
 	return ret;
 unlock:
 	unlock_page(page);
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 5b2d1803507..704c3c07f0a 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -741,7 +741,7 @@ static loff_t memory_lseek(struct file * file, loff_t offset, int orig)
 {
 	loff_t ret;
 
-	down(&file->f_dentry->d_inode->i_sem);
+	mutex_lock(&file->f_dentry->d_inode->i_mutex);
 	switch (orig) {
 		case 0:
 			file->f_pos = offset;
@@ -756,7 +756,7 @@ static loff_t memory_lseek(struct file * file, loff_t offset, int orig)
 		default:
 			ret = -EINVAL;
 	}
-	up(&file->f_dentry->d_inode->i_sem);
+	mutex_unlock(&file->f_dentry->d_inode->i_mutex);
 	return ret;
 }
 
diff --git a/drivers/isdn/capi/capifs.c b/drivers/isdn/capi/capifs.c
index 207cae36625..0a37aded4b5 100644
--- a/drivers/isdn/capi/capifs.c
+++ b/drivers/isdn/capi/capifs.c
@@ -138,7 +138,7 @@ static struct dentry *get_node(int num)
 {
 	char s[10];
 	struct dentry *root = capifs_root;
-	down(&root->d_inode->i_sem);
+	mutex_lock(&root->d_inode->i_mutex);
 	return lookup_one_len(s, root, sprintf(s, "%d", num));
 }
 
@@ -159,7 +159,7 @@ void capifs_new_ncci(unsigned int number, dev_t device)
 	dentry = get_node(number);
 	if (!IS_ERR(dentry) && !dentry->d_inode)
 		d_instantiate(dentry, inode);
-	up(&capifs_root->d_inode->i_sem);
+	mutex_unlock(&capifs_root->d_inode->i_mutex);
 }
 
 void capifs_free_ncci(unsigned int number)
@@ -175,7 +175,7 @@ void capifs_free_ncci(unsigned int number)
 		}
 		dput(dentry);
 	}
-	up(&capifs_root->d_inode->i_sem);
+	mutex_unlock(&capifs_root->d_inode->i_mutex);
 }
 
 static int __init capifs_init(void)
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 0e481512f91..5c210b0a4cb 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -837,9 +837,9 @@ static void __set_size(struct mapped_device *md, sector_t size)
 {
 	set_capacity(md->disk, size);
 
-	down(&md->suspended_bdev->bd_inode->i_sem);
+	mutex_lock(&md->suspended_bdev->bd_inode->i_mutex);
 	i_size_write(md->suspended_bdev->bd_inode, (loff_t)size << SECTOR_SHIFT);
-	up(&md->suspended_bdev->bd_inode->i_sem);
+	mutex_unlock(&md->suspended_bdev->bd_inode->i_mutex);
 }
 
 static int __bind(struct mapped_device *md, struct dm_table *t)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index e423a16ba3c..0302723fa21 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3460,9 +3460,9 @@ static int update_size(mddev_t *mddev, unsigned long size)
 
 		bdev = bdget_disk(mddev->gendisk, 0);
 		if (bdev) {
-			down(&bdev->bd_inode->i_sem);
+			mutex_lock(&bdev->bd_inode->i_mutex);
 			i_size_write(bdev->bd_inode, mddev->array_size << 10);
-			up(&bdev->bd_inode->i_sem);
+			mutex_unlock(&bdev->bd_inode->i_mutex);
 			bdput(bdev);
 		}
 	}
@@ -3486,9 +3486,9 @@ static int update_raid_disks(mddev_t *mddev, int raid_disks)
 
 		bdev = bdget_disk(mddev->gendisk, 0);
 		if (bdev) {
-			down(&bdev->bd_inode->i_sem);
+			mutex_lock(&bdev->bd_inode->i_mutex);
 			i_size_write(bdev->bd_inode, mddev->array_size << 10);
-			up(&bdev->bd_inode->i_sem);
+			mutex_unlock(&bdev->bd_inode->i_mutex);
 			bdput(bdev);
 		}
 	}
diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
index 9eb465727fc..9cb6dd0834b 100644
--- a/drivers/pci/proc.c
+++ b/drivers/pci/proc.c
@@ -25,7 +25,7 @@ proc_bus_pci_lseek(struct file *file, loff_t off, int whence)
 	loff_t new = -1;
 	struct inode *inode = file->f_dentry->d_inode;
 
-	down(&inode->i_sem);
+	mutex_lock(&inode->i_mutex);
 	switch (whence) {
 	case 0:
 		new = off;
@@ -41,7 +41,7 @@ proc_bus_pci_lseek(struct file *file, loff_t off, int whence)
 		new = -EINVAL;
 	else
 		file->f_pos = new;
-	up(&inode->i_sem);
+	mutex_unlock(&inode->i_mutex);
 	return new;
 }
 
diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index 4ddc453023a..3cf945cc5b9 100644
--- a/drivers/usb/core/inode.c
+++ b/drivers/usb/core/inode.c
@@ -184,13 +184,13 @@ static void update_bus(struct dentry *bus)
 	bus->d_inode->i_gid = busgid;
 	bus->d_inode->i_mode = S_IFDIR | busmode;
 
-	down(&bus->d_inode->i_sem);
+	mutex_lock(&bus->d_inode->i_mutex);
 
 	list_for_each_entry(dev, &bus->d_subdirs, d_u.d_child)
 		if (dev->d_inode)
 			update_dev(dev);
 
-	up(&bus->d_inode->i_sem);
+	mutex_unlock(&bus->d_inode->i_mutex);
 }
 
 static void update_sb(struct super_block *sb)
@@ -201,7 +201,7 @@ static void update_sb(struct super_block *sb)
 	if (!root)
 		return;
 
-	down(&root->d_inode->i_sem);
+	mutex_lock(&root->d_inode->i_mutex);
 
 	list_for_each_entry(bus, &root->d_subdirs, d_u.d_child) {
 		if (bus->d_inode) {
@@ -219,7 +219,7 @@ static void update_sb(struct super_block *sb)
 		}
 	}
 
-	up(&root->d_inode->i_sem);
+	mutex_unlock(&root->d_inode->i_mutex);
 }
 
 static int remount(struct super_block *sb, int *flags, char *data)
@@ -333,10 +333,10 @@ static int usbfs_empty (struct dentry *dentry)
 static int usbfs_unlink (struct inode *dir, struct dentry *dentry)
 {
 	struct inode *inode = dentry->d_inode;
-	down(&inode->i_sem);
+	mutex_lock(&inode->i_mutex);
 	dentry->d_inode->i_nlink--;
 	dput(dentry);
-	up(&inode->i_sem);
+	mutex_unlock(&inode->i_mutex);
 	d_delete(dentry);
 	return 0;
 }
@@ -346,7 +346,7 @@ static int usbfs_rmdir(struct inode *dir, struct dentry *dentry)
 	int error = -ENOTEMPTY;
 	struct inode * inode = dentry->d_inode;
 
-	down(&inode->i_sem);
+	mutex_lock(&inode->i_mutex);
 	dentry_unhash(dentry);
 	if (usbfs_empty(dentry)) {
 		dentry->d_inode->i_nlink -= 2;
@@ -355,7 +355,7 @@ static int usbfs_rmdir(struct inode *dir, struct dentry *dentry)
 		dir->i_nlink--;
 		error = 0;
 	}
-	up(&inode->i_sem);
+	mutex_unlock(&inode->i_mutex);
 	if (!error)
 		d_delete(dentry);
 	dput(dentry);
@@ -380,7 +380,7 @@ static loff_t default_file_lseek (struct file *file, loff_t offset, int orig)
 {
 	loff_t retval = -EINVAL;
 
-	down(&file->f_dentry->d_inode->i_sem);
+	mutex_lock(&file->f_dentry->d_inode->i_mutex);
 	switch(orig) {
 	case 0:
 		if (offset > 0) {
@@ -397,7 +397,7 @@ static loff_t default_file_lseek (struct file *file, loff_t offset, int orig)
 	default:
 		break;
 	}
-	up(&file->f_dentry->d_inode->i_sem);
+	mutex_unlock(&file->f_dentry->d_inode->i_mutex);
 	return retval;
 }
 
@@ -480,7 +480,7 @@ static int fs_create_by_name (const char *name, mode_t mode,
 	}
 
 	*dentry = NULL;
-	down(&parent->d_inode->i_sem);
+	mutex_lock(&parent->d_inode->i_mutex);
 	*dentry = lookup_one_len(name, parent, strlen(name));
 	if (!IS_ERR(dentry)) {
 		if ((mode & S_IFMT) == S_IFDIR)
@@ -489,7 +489,7 @@ static int fs_create_by_name (const char *name, mode_t mode,
 			error = usbfs_create (parent->d_inode, *dentry, mode);
 	} else
 		error = PTR_ERR(dentry);
-	up(&parent->d_inode->i_sem);
+	mutex_unlock(&parent->d_inode->i_mutex);
 
 	return error;
 }
@@ -528,7 +528,7 @@ static void fs_remove_file (struct dentry *dentry)
 	if (!parent || !parent->d_inode)
 		return;
 
-	down(&parent->d_inode->i_sem);
+	mutex_lock(&parent->d_inode->i_mutex);
 	if (usbfs_positive(dentry)) {
 		if (dentry->d_inode) {
 			if (S_ISDIR(dentry->d_inode->i_mode))
@@ -538,7 +538,7 @@ static void fs_remove_file (struct dentry *dentry)
 		dput(dentry);
 		}
 	}
-	up(&parent->d_inode->i_sem);
+	mutex_unlock(&parent->d_inode->i_mutex);
 }
 
 /* --------------------------------------------------------------------- */
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index 0cea9782d7d..de59c58896d 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -1891,7 +1891,7 @@ static int fsync_sub(struct lun *curlun)
 		return -EINVAL;
 
 	inode = filp->f_dentry->d_inode;
-	down(&inode->i_sem);
+	mutex_lock(&inode->i_mutex);
 	current->flags |= PF_SYNCWRITE;
 	rc = filemap_fdatawrite(inode->i_mapping);
 	err = filp->f_op->fsync(filp, filp->f_dentry, 1);
@@ -1901,7 +1901,7 @@ static int fsync_sub(struct lun *curlun)
 	if (!rc)
 		rc = err;
 	current->flags &= ~PF_SYNCWRITE;
-	up(&inode->i_sem);
+	mutex_unlock(&inode->i_mutex);
 	VLDBG(curlun, "fdatasync -> %d\n", rc);
 	return rc;
 }
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index 5c40980a5bd..c6c279de832 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -1562,10 +1562,10 @@ restart:
 		spin_unlock_irq (&dev->lock);
 
 		/* break link to dcache */
-		down (&parent->i_sem);
+		mutex_lock (&parent->i_mutex);
 		d_delete (dentry);
 		dput (dentry);
-		up (&parent->i_sem);
+		mutex_unlock (&parent->i_mutex);
 
 		/* fds may still be open */
 		goto restart;
diff --git a/fs/affs/inode.c b/fs/affs/inode.c
index 9ebe881c678..44d439cb69f 100644
--- a/fs/affs/inode.c
+++ b/fs/affs/inode.c
@@ -244,10 +244,10 @@ affs_put_inode(struct inode *inode)
 	pr_debug("AFFS: put_inode(ino=%lu, nlink=%u)\n", inode->i_ino, inode->i_nlink);
 	affs_free_prealloc(inode);
 	if (atomic_read(&inode->i_count) == 1) {
-		down(&inode->i_sem);
+		mutex_lock(&inode->i_mutex);
 		if (inode->i_size != AFFS_I(inode)->mmu_private)
 			affs_truncate(inode);
-		up(&inode->i_sem);
+		mutex_unlock(&inode->i_mutex);
 	}
 }
 
diff --git a/fs/autofs/root.c b/fs/autofs/root.c
index a1ab1c0ed21..808134a5a2f 100644
--- a/fs/autofs/root.c
+++ b/fs/autofs/root.c
@@ -229,9 +229,9 @@ static struct dentry *autofs_root_lookup(struct inode *dir, struct dentry *dentr
 	dentry->d_flags |= DCACHE_AUTOFS_PENDING;
 	d_add(dentry, NULL);
 
-	up(&dir->i_sem);
+	mutex_unlock(&dir->i_mutex);
 	autofs_revalidate(dentry, nd);
-	down(&dir->i_sem);
+	mutex_lock(&dir->i_mutex);
 
 	/*
 	 * If we are still pending, check if we had to handle
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index 2241405ffc4..541b19e6fec 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -489,9 +489,9 @@ static struct dentry *autofs4_lookup(struct inode *dir, struct dentry *dentry, s
 	d_add(dentry, NULL);
 
 	if (dentry->d_op && dentry->d_op->d_revalidate) {
-		up(&dir->i_sem);
+		mutex_unlock(&dir->i_mutex);
 		(dentry->d_op->d_revalidate)(dentry, nd);
-		down(&dir->i_sem);
+		mutex_lock(&dir->i_mutex);
 	}
 
 	/*
diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
index 2568eb41cb3..9ccc7d8275b 100644
--- a/fs/binfmt_misc.c
+++ b/fs/binfmt_misc.c
@@ -588,11 +588,11 @@ static ssize_t bm_entry_write(struct file *file, const char __user *buffer,
 		case 2: set_bit(Enabled, &e->flags);
 			break;
 		case 3: root = dget(file->f_vfsmnt->mnt_sb->s_root);
-			down(&root->d_inode->i_sem);
+			mutex_lock(&root->d_inode->i_mutex);
 
 			kill_node(e);
 
-			up(&root->d_inode->i_sem);
+			mutex_unlock(&root->d_inode->i_mutex);
 			dput(root);
 			break;
 		default: return res;
@@ -622,7 +622,7 @@ static ssize_t bm_register_write(struct file *file, const char __user *buffer,
 		return PTR_ERR(e);
 
 	root = dget(sb->s_root);
-	down(&root->d_inode->i_sem);
+	mutex_lock(&root->d_inode->i_mutex);
 	dentry = lookup_one_len(e->name, root, strlen(e->name));
 	err = PTR_ERR(dentry);
 	if (IS_ERR(dentry))
@@ -658,7 +658,7 @@ static ssize_t bm_register_write(struct file *file, const char __user *buffer,
 out2:
 	dput(dentry);
 out:
-	up(&root->d_inode->i_sem);
+	mutex_unlock(&root->d_inode->i_mutex);
 	dput(root);
 
 	if (err) {
@@ -703,12 +703,12 @@ static ssize_t bm_status_write(struct file * file, const char __user * buffer,
 		case 1: enabled = 0; break;
 		case 2: enabled = 1; break;
 		case 3: root = dget(file->f_vfsmnt->mnt_sb->s_root);
-			down(&root->d_inode->i_sem);
+			mutex_lock(&root->d_inode->i_mutex);
 
 			while (!list_empty(&entries))
 				kill_node(list_entry(entries.next, Node, list));
 
-			up(&root->d_inode->i_sem);
+			mutex_unlock(&root->d_inode->i_mutex);
 			dput(root);
 		default: return res;
 	}
diff --git a/fs/block_dev.c b/fs/block_dev.c
index e0df94c37b7..6e50346fb1e 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -202,7 +202,7 @@ static loff_t block_llseek(struct file *file, loff_t offset, int origin)
 	loff_t size;
 	loff_t retval;
 
-	down(&bd_inode->i_sem);
+	mutex_lock(&bd_inode->i_mutex);
 	size = i_size_read(bd_inode);
 
 	switch (origin) {
@@ -219,7 +219,7 @@ static loff_t block_llseek(struct file *file, loff_t offset, int origin)
 		}
 		retval = offset;
 	}
-	up(&bd_inode->i_sem);
+	mutex_unlock(&bd_inode->i_mutex);
 	return retval;
 }
 	
diff --git a/fs/buffer.c b/fs/buffer.c
index 55f0975a9b1..6466bc8a3dc 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -352,11 +352,11 @@ static long do_fsync(unsigned int fd, int datasync)
 	 * We need to protect against concurrent writers,
 	 * which could cause livelocks in fsync_buffers_list
 	 */
-	down(&mapping->host->i_sem);
+	mutex_lock(&mapping->host->i_mutex);
 	err = file->f_op->fsync(file, file->f_dentry, datasync);
 	if (!ret)
 		ret = err;
-	up(&mapping->host->i_sem);
+	mutex_unlock(&mapping->host->i_mutex);
 	err = filemap_fdatawait(mapping);
 	if (!ret)
 		ret = err;
@@ -2338,7 +2338,7 @@ int generic_commit_write(struct file *file, struct page *page,
 	__block_commit_write(inode,page,from,to);
 	/*
 	 * No need to use i_size_read() here, the i_size
-	 * cannot change under us because we hold i_sem.
+	 * cannot change under us because we hold i_mutex.
 	 */
 	if (pos > inode->i_size) {
 		i_size_write(inode, pos);
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 2a13a2bac8f..e10213b7541 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -860,9 +860,9 @@ static int cifs_oplock_thread(void * dummyarg)
 				DeleteOplockQEntry(oplock_item);
 				/* can not grab inode sem here since it would
 				deadlock when oplock received on delete 
-				since vfs_unlink holds the i_sem across
+				since vfs_unlink holds the i_mutex across
 				the call */
-				/* down(&inode->i_sem);*/
+				/* mutex_lock(&inode->i_mutex);*/
 				if (S_ISREG(inode->i_mode)) {
 					rc = filemap_fdatawrite(inode->i_mapping);
 					if(CIFS_I(inode)->clientCanCacheRead == 0) {
@@ -871,7 +871,7 @@ static int cifs_oplock_thread(void * dummyarg)
 					}
 				} else
 					rc = 0;
-				/* up(&inode->i_sem);*/
+				/* mutex_unlock(&inode->i_mutex);*/
 				if (rc)
 					CIFS_I(inode)->write_behind_rc = rc;
 				cFYI(1,("Oplock flush inode %p rc %d",inode,rc));
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 9558f51bca5..3ebce9430f4 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -1040,9 +1040,9 @@ int cifs_revalidate(struct dentry *direntry)
 	}
 
 	/* can not grab this sem since kernel filesys locking documentation
-	   indicates i_sem may be taken by the kernel on lookup and rename
-	   which could deadlock if we grab the i_sem here as well */
-/*	down(&direntry->d_inode->i_sem);*/
+	   indicates i_mutex may be taken by the kernel on lookup and rename
+	   which could deadlock if we grab the i_mutex here as well */
+/*	mutex_lock(&direntry->d_inode->i_mutex);*/
 	/* need to write out dirty pages here  */
 	if (direntry->d_inode->i_mapping) {
 		/* do we need to lock inode until after invalidate completes
@@ -1066,7 +1066,7 @@ int cifs_revalidate(struct dentry *direntry)
 			}
 		}
 	}
-/*	up(&direntry->d_inode->i_sem); */
+/*	mutex_unlock(&direntry->d_inode->i_mutex); */
 	
 	kfree(full_path);
 	FreeXid(xid);
diff --git a/fs/coda/dir.c b/fs/coda/dir.c
index 2391766e9c7..8f1a517f8b4 100644
--- a/fs/coda/dir.c
+++ b/fs/coda/dir.c
@@ -453,7 +453,7 @@ int coda_readdir(struct file *coda_file, void *dirent, filldir_t filldir)
 	coda_vfs_stat.readdir++;
 
 	host_inode = host_file->f_dentry->d_inode;
-	down(&host_inode->i_sem);
+	mutex_lock(&host_inode->i_mutex);
 	host_file->f_pos = coda_file->f_pos;
 
 	if (!host_file->f_op->readdir) {
@@ -475,7 +475,7 @@ int coda_readdir(struct file *coda_file, void *dirent, filldir_t filldir)
 	}
 out:
 	coda_file->f_pos = host_file->f_pos;
-	up(&host_inode->i_sem);
+	mutex_unlock(&host_inode->i_mutex);
 
 	return ret;
 }
diff --git a/fs/coda/file.c b/fs/coda/file.c
index e6bc022568f..30b4630bd73 100644
--- a/fs/coda/file.c
+++ b/fs/coda/file.c
@@ -77,14 +77,14 @@ coda_file_write(struct file *coda_file, const char __user *buf, size_t count, lo
 		return -EINVAL;
 
 	host_inode = host_file->f_dentry->d_inode;
-	down(&coda_inode->i_sem);
+	mutex_lock(&coda_inode->i_mutex);
 
 	ret = host_file->f_op->write(host_file, buf, count, ppos);
 
 	coda_inode->i_size = host_inode->i_size;
 	coda_inode->i_blocks = (coda_inode->i_size + 511) >> 9;
 	coda_inode->i_mtime = coda_inode->i_ctime = CURRENT_TIME_SEC;
-	up(&coda_inode->i_sem);
+	mutex_unlock(&coda_inode->i_mutex);
 
 	return ret;
 }
@@ -272,9 +272,9 @@ int coda_fsync(struct file *coda_file, struct dentry *coda_dentry, int datasync)
 	if (host_file->f_op && host_file->f_op->fsync) {
 		host_dentry = host_file->f_dentry;
 		host_inode = host_dentry->d_inode;
-		down(&host_inode->i_sem);
+		mutex_lock(&host_inode->i_mutex);
 		err = host_file->f_op->fsync(host_file, host_dentry, datasync);
-		up(&host_inode->i_sem);
+		mutex_unlock(&host_inode->i_mutex);
 	}
 
 	if ( !err && !datasync ) {
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
index e48b539243a..b668ec61527 100644
--- a/fs/configfs/dir.c
+++ b/fs/configfs/dir.c
@@ -288,10 +288,10 @@ static struct dentry * configfs_lookup(struct inode *dir,
 
 /*
  * Only subdirectories count here.  Files (CONFIGFS_NOT_PINNED) are
- * attributes and are removed by rmdir().  We recurse, taking i_sem
+ * attributes and are removed by rmdir().  We recurse, taking i_mutex
  * on all children that are candidates for default detach.  If the
  * result is clean, then configfs_detach_group() will handle dropping
- * i_sem.  If there is an error, the caller will clean up the i_sem
+ * i_mutex.  If there is an error, the caller will clean up the i_mutex
  * holders via configfs_detach_rollback().
  */
 static int configfs_detach_prep(struct dentry *dentry)
@@ -309,8 +309,8 @@ static int configfs_detach_prep(struct dentry *dentry)
 		if (sd->s_type & CONFIGFS_NOT_PINNED)
 			continue;
 		if (sd->s_type & CONFIGFS_USET_DEFAULT) {
-			down(&sd->s_dentry->d_inode->i_sem);
-			/* Mark that we've taken i_sem */
+			mutex_lock(&sd->s_dentry->d_inode->i_mutex);
+			/* Mark that we've taken i_mutex */
 			sd->s_type |= CONFIGFS_USET_DROPPING;
 
 			ret = configfs_detach_prep(sd->s_dentry);
@@ -327,7 +327,7 @@ out:
 }
 
 /*
- * Walk the tree, dropping i_sem wherever CONFIGFS_USET_DROPPING is
+ * Walk the tree, dropping i_mutex wherever CONFIGFS_USET_DROPPING is
  * set.
  */
 static void configfs_detach_rollback(struct dentry *dentry)
@@ -341,7 +341,7 @@ static void configfs_detach_rollback(struct dentry *dentry)
 
 			if (sd->s_type & CONFIGFS_USET_DROPPING) {
 				sd->s_type &= ~CONFIGFS_USET_DROPPING;
-				up(&sd->s_dentry->d_inode->i_sem);
+				mutex_unlock(&sd->s_dentry->d_inode->i_mutex);
 			}
 		}
 	}
@@ -424,11 +424,11 @@ static void detach_groups(struct config_group *group)
 
 		/*
 		 * From rmdir/unregister, a configfs_detach_prep() pass
-		 * has taken our i_sem for us.  Drop it.
+		 * has taken our i_mutex for us.  Drop it.
 		 * From mkdir/register cleanup, there is no sem held.
 		 */
 		if (sd->s_type & CONFIGFS_USET_DROPPING)
-			up(&child->d_inode->i_sem);
+			mutex_unlock(&child->d_inode->i_mutex);
 
 		d_delete(child);
 		dput(child);
@@ -493,11 +493,11 @@ static int populate_groups(struct config_group *group)
 		/* FYI, we're faking mkdir here
 		 * I'm not sure we need this semaphore, as we're called
 		 * from our parent's mkdir.  That holds our parent's
-		 * i_sem, so afaik lookup cannot continue through our
+		 * i_mutex, so afaik lookup cannot continue through our
 		 * parent to find us, let alone mess with our tree.
-		 * That said, taking our i_sem is closer to mkdir
+		 * That said, taking our i_mutex is closer to mkdir
 		 * emulation, and shouldn't hurt. */
-		down(&dentry->d_inode->i_sem);
+		mutex_lock(&dentry->d_inode->i_mutex);
 
 		for (i = 0; group->default_groups[i]; i++) {
 			new_group = group->default_groups[i];
@@ -507,7 +507,7 @@ static int populate_groups(struct config_group *group)
 				break;
 		}
 
-		up(&dentry->d_inode->i_sem);
+		mutex_unlock(&dentry->d_inode->i_mutex);
 	}
 
 	if (ret)
@@ -856,7 +856,7 @@ int configfs_rename_dir(struct config_item * item, const char *new_name)
 	down_write(&configfs_rename_sem);
 	parent = item->parent->dentry;
 
-	down(&parent->d_inode->i_sem);
+	mutex_lock(&parent->d_inode->i_mutex);
 
 	new_dentry = lookup_one_len(new_name, parent, strlen(new_name));
 	if (!IS_ERR(new_dentry)) {
@@ -872,7 +872,7 @@ int configfs_rename_dir(struct config_item * item, const char *new_name)
 			error = -EEXIST;
 		dput(new_dentry);
 	}
-	up(&parent->d_inode->i_sem);
+	mutex_unlock(&parent->d_inode->i_mutex);
 	up_write(&configfs_rename_sem);
 
 	return error;
@@ -884,9 +884,9 @@ static int configfs_dir_open(struct inode *inode, struct file *file)
 	struct dentry * dentry = file->f_dentry;
 	struct configfs_dirent * parent_sd = dentry->d_fsdata;
 
-	down(&dentry->d_inode->i_sem);
+	mutex_lock(&dentry->d_inode->i_mutex);
 	file->private_data = configfs_new_dirent(parent_sd, NULL);
-	up(&dentry->d_inode->i_sem);
+	mutex_unlock(&dentry->d_inode->i_mutex);
 
 	return file->private_data ? 0 : -ENOMEM;
 
@@ -897,9 +897,9 @@ static int configfs_dir_close(struct inode *inode, struct file *file)
 	struct dentry * dentry = file->f_dentry;
 	struct configfs_dirent * cursor = file->private_data;
 
-	down(&dentry->d_inode->i_sem);
+	mutex_lock(&dentry->d_inode->i_mutex);
 	list_del_init(&cursor->s_sibling);
-	up(&dentry->d_inode->i_sem);
+	mutex_unlock(&dentry->d_inode->i_mutex);
 
 	release_configfs_dirent(cursor);
 
@@ -975,7 +975,7 @@ static loff_t configfs_dir_lseek(struct file * file, loff_t offset, int origin)
 {
 	struct dentry * dentry = file->f_dentry;
 
-	down(&dentry->d_inode->i_sem);
+	mutex_lock(&dentry->d_inode->i_mutex);
 	switch (origin) {
 		case 1:
 			offset += file->f_pos;
@@ -983,7 +983,7 @@ static loff_t configfs_dir_lseek(struct file * file, loff_t offset, int origin)
 			if (offset >= 0)
 				break;
 		default:
-			up(&file->f_dentry->d_inode->i_sem);
+			mutex_unlock(&file->f_dentry->d_inode->i_mutex);
 			return -EINVAL;
 	}
 	if (offset != file->f_pos) {
@@ -1007,7 +1007,7 @@ static loff_t configfs_dir_lseek(struct file * file, loff_t offset, int origin)
 			list_add_tail(&cursor->s_sibling, p);
 		}
 	}
-	up(&dentry->d_inode->i_sem);
+	mutex_unlock(&dentry->d_inode->i_mutex);
 	return offset;
 }
 
@@ -1037,7 +1037,7 @@ int configfs_register_subsystem(struct configfs_subsystem *subsys)
 	sd = configfs_sb->s_root->d_fsdata;
 	link_group(to_config_group(sd->s_element), group);
 
-	down(&configfs_sb->s_root->d_inode->i_sem);
+	mutex_lock(&configfs_sb->s_root->d_inode->i_mutex);
 
 	name.name = group->cg_item.ci_name;
 	name.len = strlen(name.name);
@@ -1057,7 +1057,7 @@ int configfs_register_subsystem(struct configfs_subsystem *subsys)
 	else
 		d_delete(dentry);
 
-	up(&configfs_sb->s_root->d_inode->i_sem);
+	mutex_unlock(&configfs_sb->s_root->d_inode->i_mutex);
 
 	if (dentry) {
 	    dput(dentry);
@@ -1079,18 +1079,18 @@ void configfs_unregister_subsystem(struct configfs_subsystem *subsys)
 		return;
 	}
 
-	down(&configfs_sb->s_root->d_inode->i_sem);
-	down(&dentry->d_inode->i_sem);
+	mutex_lock(&configfs_sb->s_root->d_inode->i_mutex);
+	mutex_lock(&dentry->d_inode->i_mutex);
 	if (configfs_detach_prep(dentry)) {
 		printk(KERN_ERR "configfs: Tried to unregister non-empty subsystem!\n");
 	}
 	configfs_detach_group(&group->cg_item);
 	dentry->d_inode->i_flags |= S_DEAD;
-	up(&dentry->d_inode->i_sem);
+	mutex_unlock(&dentry->d_inode->i_mutex);
 
 	d_delete(dentry);
 
-	up(&configfs_sb->s_root->d_inode->i_sem);
+	mutex_unlock(&configfs_sb->s_root->d_inode->i_mutex);
 
 	dput(dentry);
 
diff --git a/fs/configfs/file.c b/fs/configfs/file.c
index af1ffc9a15c..c26cd61f13a 100644
--- a/fs/configfs/file.c
+++ b/fs/configfs/file.c
@@ -336,9 +336,9 @@ int configfs_add_file(struct dentry * dir, const struct configfs_attribute * att
 	umode_t mode = (attr->ca_mode & S_IALLUGO) | S_IFREG;
 	int error = 0;
 
-	down(&dir->d_inode->i_sem);
+	mutex_lock(&dir->d_inode->i_mutex);
 	error = configfs_make_dirent(parent_sd, NULL, (void *) attr, mode, type);
-	up(&dir->d_inode->i_sem);
+	mutex_unlock(&dir->d_inode->i_mutex);
 
 	return error;
 }
diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c
index 6b274c6d428..6577c588de9 100644
--- a/fs/configfs/inode.c
+++ b/fs/configfs/inode.c
@@ -122,7 +122,7 @@ const unsigned char * configfs_get_name(struct configfs_dirent *sd)
 
 /*
  * Unhashes the dentry corresponding to given configfs_dirent
- * Called with parent inode's i_sem held.
+ * Called with parent inode's i_mutex held.
  */
 void configfs_drop_dentry(struct configfs_dirent * sd, struct dentry * parent)
 {
@@ -145,7 +145,7 @@ void configfs_hash_and_remove(struct dentry * dir, const char * name)
 	struct configfs_dirent * sd;
 	struct configfs_dirent * parent_sd = dir->d_fsdata;
 
-	down(&dir->d_inode->i_sem);
+	mutex_lock(&dir->d_inode->i_mutex);
 	list_for_each_entry(sd, &parent_sd->s_children, s_sibling) {
 		if (!sd->s_element)
 			continue;
@@ -156,7 +156,7 @@ void configfs_hash_and_remove(struct dentry * dir, const char * name)
 			break;
 		}
 	}
-	up(&dir->d_inode->i_sem);
+	mutex_unlock(&dir->d_inode->i_mutex);
 }
 
 
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index a86ac4aeaed..d4f1a2cddd4 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -146,7 +146,7 @@ static int debugfs_create_by_name(const char *name, mode_t mode,
 	}
 
 	*dentry = NULL;
-	down(&parent->d_inode->i_sem);
+	mutex_lock(&parent->d_inode->i_mutex);
 	*dentry = lookup_one_len(name, parent, strlen(name));
 	if (!IS_ERR(dentry)) {
 		if ((mode & S_IFMT) == S_IFDIR)
@@ -155,7 +155,7 @@ static int debugfs_create_by_name(const char *name, mode_t mode,
 			error = debugfs_create(parent->d_inode, *dentry, mode);
 	} else
 		error = PTR_ERR(dentry);
-	up(&parent->d_inode->i_sem);
+	mutex_unlock(&parent->d_inode->i_mutex);
 
 	return error;
 }
@@ -273,7 +273,7 @@ void debugfs_remove(struct dentry *dentry)
 	if (!parent || !parent->d_inode)
 		return;
 
-	down(&parent->d_inode->i_sem);
+	mutex_lock(&parent->d_inode->i_mutex);
 	if (debugfs_positive(dentry)) {
 		if (dentry->d_inode) {
 			if (S_ISDIR(dentry->d_inode->i_mode))
@@ -283,7 +283,7 @@ void debugfs_remove(struct dentry *dentry)
 		dput(dentry);
 		}
 	}
-	up(&parent->d_inode->i_sem);
+	mutex_unlock(&parent->d_inode->i_mutex);
 	simple_release_fs(&debugfs_mount, &debugfs_mount_count);
 }
 EXPORT_SYMBOL_GPL(debugfs_remove);
diff --git a/fs/devfs/base.c b/fs/devfs/base.c
index 1274422a538..b621521e09d 100644
--- a/fs/devfs/base.c
+++ b/fs/devfs/base.c
@@ -2162,27 +2162,27 @@ static int devfs_d_revalidate_wait(struct dentry *dentry, struct nameidata *nd)
 	 *
 	 * make sure that
 	 *   d_instantiate always runs under lock
-	 *   we release i_sem lock before going to sleep
+	 *   we release i_mutex lock before going to sleep
 	 *
 	 * unfortunately sometimes d_revalidate is called with
-	 * and sometimes without i_sem lock held. The following checks
+	 * and sometimes without i_mutex lock held. The following checks
 	 * attempt to deduce when we need to add (and drop resp.) lock
 	 * here. This relies on current (2.6.2) calling coventions:
 	 *
-	 *   lookup_hash is always run under i_sem and is passing NULL
+	 *   lookup_hash is always run under i_mutex and is passing NULL
 	 *   as nd
 	 *
-	 *   open(...,O_CREATE,...) calls _lookup_hash under i_sem
+	 *   open(...,O_CREATE,...) calls _lookup_hash under i_mutex
 	 *   and sets flags to LOOKUP_OPEN|LOOKUP_CREATE
 	 *
 	 *   all other invocations of ->d_revalidate seem to happen
-	 *   outside of i_sem
+	 *   outside of i_mutex
 	 */
 	need_lock = nd &&
 	    (!(nd->flags & LOOKUP_CREATE) || (nd->flags & LOOKUP_PARENT));
 
 	if (need_lock)
-		down(&dir->i_sem);
+		mutex_lock(&dir->i_mutex);
 
 	if (is_devfsd_or_child(fs_info)) {
 		devfs_handle_t de = lookup_info->de;
@@ -2221,9 +2221,9 @@ static int devfs_d_revalidate_wait(struct dentry *dentry, struct nameidata *nd)
 		add_wait_queue(&lookup_info->wait_queue, &wait);
 		read_unlock(&parent->u.dir.lock);
 		/* at this point it is always (hopefully) locked */
-		up(&dir->i_sem);
+		mutex_unlock(&dir->i_mutex);
 		schedule();
-		down(&dir->i_sem);
+		mutex_lock(&dir->i_mutex);
 		/*
 		 * This does not need nor should remove wait from wait_queue.
 		 * Wait queue head is never reused - nothing is ever added to it
@@ -2238,7 +2238,7 @@ static int devfs_d_revalidate_wait(struct dentry *dentry, struct nameidata *nd)
 
       out:
 	if (need_lock)
-		up(&dir->i_sem);
+		mutex_unlock(&dir->i_mutex);
 	return 1;
 }				/*  End Function devfs_d_revalidate_wait  */
 
@@ -2284,9 +2284,9 @@ static struct dentry *devfs_lookup(struct inode *dir, struct dentry *dentry,
 	/*  Unlock directory semaphore, which will release any waiters. They
 	   will get the hashed dentry, and may be forced to wait for
 	   revalidation  */
-	up(&dir->i_sem);
+	mutex_unlock(&dir->i_mutex);
 	wait_for_devfsd_finished(fs_info);	/*  If I'm not devfsd, must wait  */
-	down(&dir->i_sem);	/*  Grab it again because them's the rules  */
+	mutex_lock(&dir->i_mutex);	/*  Grab it again because them's the rules  */
 	de = lookup_info.de;
 	/*  If someone else has been so kind as to make the inode, we go home
 	   early  */
diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index f2be44d4491..bfb8a230bac 100644
--- a/fs/devpts/inode.c
+++ b/fs/devpts/inode.c
@@ -130,7 +130,7 @@ static struct dentry *get_node(int num)
 {
 	char s[12];
 	struct dentry *root = devpts_root;
-	down(&root->d_inode->i_sem);
+	mutex_lock(&root->d_inode->i_mutex);
 	return lookup_one_len(s, root, sprintf(s, "%d", num));
 }
 
@@ -161,7 +161,7 @@ int devpts_pty_new(struct tty_struct *tty)
 	if (!IS_ERR(dentry) && !dentry->d_inode)
 		d_instantiate(dentry, inode);
 
-	up(&devpts_root->d_inode->i_sem);
+	mutex_unlock(&devpts_root->d_inode->i_mutex);
 
 	return 0;
 }
@@ -178,7 +178,7 @@ struct tty_struct *devpts_get_tty(int number)
 		dput(dentry);
 	}
 
-	up(&devpts_root->d_inode->i_sem);
+	mutex_unlock(&devpts_root->d_inode->i_mutex);
 
 	return tty;
 }
@@ -196,7 +196,7 @@ void devpts_pty_kill(int number)
 		}
 		dput(dentry);
 	}
-	up(&devpts_root->d_inode->i_sem);
+	mutex_unlock(&devpts_root->d_inode->i_mutex);
 }
 
 static int __init init_devpts_fs(void)
diff --git a/fs/direct-io.c b/fs/direct-io.c
index 3931e7f1e6b..30dbbd1df51 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -56,7 +56,7 @@
  * lock_type is DIO_LOCKING for regular files on direct-IO-naive filesystems.
  * This determines whether we need to do the fancy locking which prevents
  * direct-IO from being able to read uninitialised disk blocks.  If its zero
- * (blockdev) this locking is not done, and if it is DIO_OWN_LOCKING i_sem is
+ * (blockdev) this locking is not done, and if it is DIO_OWN_LOCKING i_mutex is
  * not held for the entire direct write (taken briefly, initially, during a
  * direct read though, but its never held for the duration of a direct-IO).
  */
@@ -930,7 +930,7 @@ out:
 }
 
 /*
- * Releases both i_sem and i_alloc_sem
+ * Releases both i_mutex and i_alloc_sem
  */
 static ssize_t
 direct_io_worker(int rw, struct kiocb *iocb, struct inode *inode, 
@@ -1062,11 +1062,11 @@ direct_io_worker(int rw, struct kiocb *iocb, struct inode *inode,
 
 	/*
 	 * All block lookups have been performed. For READ requests
-	 * we can let i_sem go now that its achieved its purpose
+	 * we can let i_mutex go now that its achieved its purpose
 	 * of protecting us from looking up uninitialized blocks.
 	 */
 	if ((rw == READ) && (dio->lock_type == DIO_LOCKING))
-		up(&dio->inode->i_sem);
+		mutex_unlock(&dio->inode->i_mutex);
 
 	/*
 	 * OK, all BIOs are submitted, so we can decrement bio_count to truly
@@ -1145,18 +1145,18 @@ direct_io_worker(int rw, struct kiocb *iocb, struct inode *inode,
  * The locking rules are governed by the dio_lock_type parameter.
  *
  * DIO_NO_LOCKING (no locking, for raw block device access)
- * For writes, i_sem is not held on entry; it is never taken.
+ * For writes, i_mutex is not held on entry; it is never taken.
  *
  * DIO_LOCKING (simple locking for regular files)
- * For writes we are called under i_sem and return with i_sem held, even though
+ * For writes we are called under i_mutex and return with i_mutex held, even though
  * it is internally dropped.
- * For reads, i_sem is not held on entry, but it is taken and dropped before
+ * For reads, i_mutex is not held on entry, but it is taken and dropped before
  * returning.
  *
  * DIO_OWN_LOCKING (filesystem provides synchronisation and handling of
  *	uninitialised data, allowing parallel direct readers and writers)
- * For writes we are called without i_sem, return without it, never touch it.
- * For reads, i_sem is held on entry and will be released before returning.
+ * For writes we are called without i_mutex, return without it, never touch it.
+ * For reads, i_mutex is held on entry and will be released before returning.
  *
  * Additional i_alloc_sem locking requirements described inline below.
  */
@@ -1214,11 +1214,11 @@ __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode,
 	 * For block device access DIO_NO_LOCKING is used,
 	 *	neither readers nor writers do any locking at all
 	 * For regular files using DIO_LOCKING,
-	 *	readers need to grab i_sem and i_alloc_sem
-	 *	writers need to grab i_alloc_sem only (i_sem is already held)
+	 *	readers need to grab i_mutex and i_alloc_sem
+	 *	writers need to grab i_alloc_sem only (i_mutex is already held)
 	 * For regular files using DIO_OWN_LOCKING,
 	 *	neither readers nor writers take any locks here
-	 *	(i_sem is already held and release for writers here)
+	 *	(i_mutex is already held and release for writers here)
 	 */
 	dio->lock_type = dio_lock_type;
 	if (dio_lock_type != DIO_NO_LOCKING) {
@@ -1228,7 +1228,7 @@ __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode,
 
 			mapping = iocb->ki_filp->f_mapping;
 			if (dio_lock_type != DIO_OWN_LOCKING) {
-				down(&inode->i_sem);
+				mutex_lock(&inode->i_mutex);
 				reader_with_isem = 1;
 			}
 
@@ -1240,7 +1240,7 @@ __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode,
 			}
 
 			if (dio_lock_type == DIO_OWN_LOCKING) {
-				up(&inode->i_sem);
+				mutex_unlock(&inode->i_mutex);
 				reader_with_isem = 0;
 			}
 		}
@@ -1266,7 +1266,7 @@ __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode,
 
 out:
 	if (reader_with_isem)
-		up(&inode->i_sem);
+		mutex_unlock(&inode->i_mutex);
 	if (rw & WRITE)
 		current->flags &= ~PF_SYNCWRITE;
 	return retval;
diff --git a/fs/dquot.c b/fs/dquot.c
index 2a62b3dc20e..cb6d5bfbdfd 100644
--- a/fs/dquot.c
+++ b/fs/dquot.c
@@ -100,7 +100,7 @@
  * operation is just reading pointers from inode (or not using them at all) the
  * read lock is enough. If pointers are altered function must hold write lock
  * (these locking rules also apply for S_NOQUOTA flag in the inode - note that
- * for altering the flag i_sem is also needed).  If operation is holding
+ * for altering the flag i_mutex is also needed).  If operation is holding
  * reference to dquot in other way (e.g. quotactl ops) it must be guarded by
  * dqonoff_sem.
  * This locking assures that:
@@ -117,9 +117,9 @@
  * spinlock to internal buffers before writing.
  *
  * Lock ordering (including related VFS locks) is the following:
- *   i_sem > dqonoff_sem > iprune_sem > journal_lock > dqptr_sem >
+ *   i_mutex > dqonoff_sem > iprune_sem > journal_lock > dqptr_sem >
  *   > dquot->dq_lock > dqio_sem
- * i_sem on quota files is special (it's below dqio_sem)
+ * i_mutex on quota files is special (it's below dqio_sem)
  */
 
 static DEFINE_SPINLOCK(dq_list_lock);
@@ -1369,11 +1369,11 @@ int vfs_quota_off(struct super_block *sb, int type)
 			/* If quota was reenabled in the meantime, we have
 			 * nothing to do */
 			if (!sb_has_quota_enabled(sb, cnt)) {
-				down(&toputinode[cnt]->i_sem);
+				mutex_lock(&toputinode[cnt]->i_mutex);
 				toputinode[cnt]->i_flags &= ~(S_IMMUTABLE |
 				  S_NOATIME | S_NOQUOTA);
 				truncate_inode_pages(&toputinode[cnt]->i_data, 0);
-				up(&toputinode[cnt]->i_sem);
+				mutex_unlock(&toputinode[cnt]->i_mutex);
 				mark_inode_dirty(toputinode[cnt]);
 				iput(toputinode[cnt]);
 			}
@@ -1417,7 +1417,7 @@ static int vfs_quota_on_inode(struct inode *inode, int type, int format_id)
 	write_inode_now(inode, 1);
 	/* And now flush the block cache so that kernel sees the changes */
 	invalidate_bdev(sb->s_bdev, 0);
-	down(&inode->i_sem);
+	mutex_lock(&inode->i_mutex);
 	down(&dqopt->dqonoff_sem);
 	if (sb_has_quota_enabled(sb, type)) {
 		error = -EBUSY;
@@ -1449,7 +1449,7 @@ static int vfs_quota_on_inode(struct inode *inode, int type, int format_id)
 		goto out_file_init;
 	}
 	up(&dqopt->dqio_sem);
-	up(&inode->i_sem);
+	mutex_unlock(&inode->i_mutex);
 	set_enable_flags(dqopt, type);
 
 	add_dquot_ref(sb, type);
@@ -1470,7 +1470,7 @@ out_lock:
 		inode->i_flags |= oldflags;
 		up_write(&dqopt->dqptr_sem);
 	}
-	up(&inode->i_sem);
+	mutex_unlock(&inode->i_mutex);
 out_fmt:
 	put_quota_format(fmt);
 
diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c
index c49d6254379..5bfe40085fb 100644
--- a/fs/exportfs/expfs.c
+++ b/fs/exportfs/expfs.c
@@ -177,9 +177,9 @@ find_exported_dentry(struct super_block *sb, void *obj, void *parent,
 			struct dentry *ppd;
 			struct dentry *npd;
 
-			down(&pd->d_inode->i_sem);
+			mutex_lock(&pd->d_inode->i_mutex);
 			ppd = CALL(nops,get_parent)(pd);
-			up(&pd->d_inode->i_sem);
+			mutex_unlock(&pd->d_inode->i_mutex);
 
 			if (IS_ERR(ppd)) {
 				err = PTR_ERR(ppd);
@@ -201,9 +201,9 @@ find_exported_dentry(struct super_block *sb, void *obj, void *parent,
 				break;
 			}
 			dprintk("find_exported_dentry: found name: %s\n", nbuf);
-			down(&ppd->d_inode->i_sem);
+			mutex_lock(&ppd->d_inode->i_mutex);
 			npd = lookup_one_len(nbuf, ppd, strlen(nbuf));
-			up(&ppd->d_inode->i_sem);
+			mutex_unlock(&ppd->d_inode->i_mutex);
 			if (IS_ERR(npd)) {
 				err = PTR_ERR(npd);
 				dprintk("find_exported_dentry: lookup failed: %d\n", err);
@@ -242,9 +242,9 @@ find_exported_dentry(struct super_block *sb, void *obj, void *parent,
 		struct dentry *nresult;
 		err = CALL(nops,get_name)(target_dir, nbuf, result);
 		if (!err) {
-			down(&target_dir->d_inode->i_sem);
+			mutex_lock(&target_dir->d_inode->i_mutex);
 			nresult = lookup_one_len(nbuf, target_dir, strlen(nbuf));
-			up(&target_dir->d_inode->i_sem);
+			mutex_unlock(&target_dir->d_inode->i_mutex);
 			if (!IS_ERR(nresult)) {
 				if (nresult->d_inode) {
 					dput(result);
diff --git a/fs/ext2/acl.c b/fs/ext2/acl.c
index 6af2f413029..239133d01d9 100644
--- a/fs/ext2/acl.c
+++ b/fs/ext2/acl.c
@@ -149,7 +149,7 @@ ext2_iset_acl(struct inode *inode, struct posix_acl **i_acl,
 }
 
 /*
- * inode->i_sem: don't care
+ * inode->i_mutex: don't care
  */
 static struct posix_acl *
 ext2_get_acl(struct inode *inode, int type)
@@ -211,7 +211,7 @@ ext2_get_acl(struct inode *inode, int type)
 }
 
 /*
- * inode->i_sem: down
+ * inode->i_mutex: down
  */
 static int
 ext2_set_acl(struct inode *inode, int type, struct posix_acl *acl)
@@ -301,8 +301,8 @@ ext2_permission(struct inode *inode, int mask, struct nameidata *nd)
 /*
  * Initialize the ACLs of a new inode. Called from ext2_new_inode.
  *
- * dir->i_sem: down
- * inode->i_sem: up (access to inode is still exclusive)
+ * dir->i_mutex: down
+ * inode->i_mutex: up (access to inode is still exclusive)
  */
 int
 ext2_init_acl(struct inode *inode, struct inode *dir)
@@ -361,7 +361,7 @@ cleanup:
  * for directories) are added. There are no more bits available in the
  * file mode.
  *
- * inode->i_sem: down
+ * inode->i_mutex: down
  */
 int
 ext2_acl_chmod(struct inode *inode)
diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
index e977f8566d1..00de0a7312a 100644
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
@@ -53,7 +53,7 @@ struct ext2_inode_info {
 #ifdef CONFIG_EXT2_FS_XATTR
 	/*
 	 * Extended attributes can be read independently of the main file
-	 * data. Taking i_sem even when reading would cause contention
+	 * data. Taking i_mutex even when reading would cause contention
 	 * between readers of EAs and writers of regular file data, so
 	 * instead we synchronize on xattr_sem when reading or changing
 	 * EAs.
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 522fa70dd8e..8d6819846fc 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -1152,7 +1152,7 @@ static ssize_t ext2_quota_write(struct super_block *sb, int type,
 	struct buffer_head tmp_bh;
 	struct buffer_head *bh;
 
-	down(&inode->i_sem);
+	mutex_lock(&inode->i_mutex);
 	while (towrite > 0) {
 		tocopy = sb->s_blocksize - offset < towrite ?
 				sb->s_blocksize - offset : towrite;
@@ -1189,7 +1189,7 @@ out:
 	inode->i_version++;
 	inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 	mark_inode_dirty(inode);
-	up(&inode->i_sem);
+	mutex_unlock(&inode->i_mutex);
 	return len - towrite;
 }
 
diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c
index 0099462d427..f7a3b5fee27 100644
--- a/fs/ext2/xattr.c
+++ b/fs/ext2/xattr.c
@@ -325,7 +325,7 @@ cleanup:
 /*
  * Inode operation listxattr()
  *
- * dentry->d_inode->i_sem: don't care
+ * dentry->d_inode->i_mutex: don't care
  */
 ssize_t
 ext2_listxattr(struct dentry *dentry, char *buffer, size_t size)
diff --git a/fs/ext3/acl.c b/fs/ext3/acl.c
index 3ac38266fc9..9ed132c9603 100644
--- a/fs/ext3/acl.c
+++ b/fs/ext3/acl.c
@@ -152,7 +152,7 @@ ext3_iset_acl(struct inode *inode, struct posix_acl **i_acl,
 /*
  * Inode operation get_posix_acl().
  *
- * inode->i_sem: don't care
+ * inode->i_mutex: don't care
  */
 static struct posix_acl *
 ext3_get_acl(struct inode *inode, int type)
@@ -216,7 +216,7 @@ ext3_get_acl(struct inode *inode, int type)
 /*
  * Set the access or default ACL of an inode.
  *
- * inode->i_sem: down unless called from ext3_new_inode
+ * inode->i_mutex: down unless called from ext3_new_inode
  */
 static int
 ext3_set_acl(handle_t *handle, struct inode *inode, int type,
@@ -306,8 +306,8 @@ ext3_permission(struct inode *inode, int mask, struct nameidata *nd)
 /*
  * Initialize the ACLs of a new inode. Called from ext3_new_inode.
  *
- * dir->i_sem: down
- * inode->i_sem: up (access to inode is still exclusive)
+ * dir->i_mutex: down
+ * inode->i_mutex: up (access to inode is still exclusive)
  */
 int
 ext3_init_acl(handle_t *handle, struct inode *inode, struct inode *dir)
@@ -368,7 +368,7 @@ cleanup:
  * for directories) are added. There are no more bits available in the
  * file mode.
  *
- * inode->i_sem: down
+ * inode->i_mutex: down
  */
 int
 ext3_acl_chmod(struct inode *inode)
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 7c45acf9458..c3dbebdb989 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -2601,7 +2601,7 @@ static ssize_t ext3_quota_write(struct super_block *sb, int type,
 	struct buffer_head *bh;
 	handle_t *handle = journal_current_handle();
 
-	down(&inode->i_sem);
+	mutex_lock(&inode->i_mutex);
 	while (towrite > 0) {
 		tocopy = sb->s_blocksize - offset < towrite ?
 				sb->s_blocksize - offset : towrite;
@@ -2644,7 +2644,7 @@ out:
 	inode->i_version++;
 	inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 	ext3_mark_inode_dirty(handle, inode);
-	up(&inode->i_sem);
+	mutex_unlock(&inode->i_mutex);
 	return len - towrite;
 }
 
diff --git a/fs/ext3/xattr.c b/fs/ext3/xattr.c
index 430de9f63be..238199d82ce 100644
--- a/fs/ext3/xattr.c
+++ b/fs/ext3/xattr.c
@@ -140,7 +140,7 @@ ext3_xattr_handler(int name_index)
 /*
  * Inode operation listxattr()
  *
- * dentry->d_inode->i_sem: don't care
+ * dentry->d_inode->i_mutex: don't care
  */
 ssize_t
 ext3_listxattr(struct dentry *dentry, char *buffer, size_t size)
diff --git a/fs/fat/dir.c b/fs/fat/dir.c
index eef1b81aa29..db0de5c621c 100644
--- a/fs/fat/dir.c
+++ b/fs/fat/dir.c
@@ -729,13 +729,13 @@ static int fat_dir_ioctl(struct inode * inode, struct file * filp,
 
 	buf.dirent = d1;
 	buf.result = 0;
-	down(&inode->i_sem);
+	mutex_lock(&inode->i_mutex);
 	ret = -ENOENT;
 	if (!IS_DEADDIR(inode)) {
 		ret = __fat_readdir(inode, filp, &buf, fat_ioctl_filldir,
 				    short_only, both);
 	}
-	up(&inode->i_sem);
+	mutex_unlock(&inode->i_mutex);
 	if (ret >= 0)
 		ret = buf.result;
 	return ret;
diff --git a/fs/fat/file.c b/fs/fat/file.c
index 9b07c328a6f..d30876cf35f 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -41,7 +41,7 @@ int fat_generic_ioctl(struct inode *inode, struct file *filp,
 		if (err)
 			return err;
 
-		down(&inode->i_sem);
+		mutex_lock(&inode->i_mutex);
 
 		if (IS_RDONLY(inode)) {
 			err = -EROFS;
@@ -103,7 +103,7 @@ int fat_generic_ioctl(struct inode *inode, struct file *filp,
 		MSDOS_I(inode)->i_attrs = attr & ATTR_UNUSED;
 		mark_inode_dirty(inode);
 	up:
-		up(&inode->i_sem);
+		mutex_unlock(&inode->i_mutex);
 		return err;
 	}
 	default:
diff --git a/fs/fifo.c b/fs/fifo.c
index 5455916241f..923371b753a 100644
--- a/fs/fifo.c
+++ b/fs/fifo.c
@@ -35,7 +35,7 @@ static int fifo_open(struct inode *inode, struct file *filp)
 	int ret;
 
 	ret = -ERESTARTSYS;
-	if (down_interruptible(PIPE_SEM(*inode)))
+	if (mutex_lock_interruptible(PIPE_MUTEX(*inode)))
 		goto err_nolock_nocleanup;
 
 	if (!inode->i_pipe) {
@@ -119,7 +119,7 @@ static int fifo_open(struct inode *inode, struct file *filp)
 	}
 
 	/* Ok! */
-	up(PIPE_SEM(*inode));
+	mutex_unlock(PIPE_MUTEX(*inode));
 	return 0;
 
 err_rd:
@@ -139,7 +139,7 @@ err:
 		free_pipe_info(inode);
 
 err_nocleanup:
-	up(PIPE_SEM(*inode));
+	mutex_unlock(PIPE_MUTEX(*inode));
 
 err_nolock_nocleanup:
 	return ret;
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 05dedddf428..63d2980df5c 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -560,9 +560,9 @@ static ssize_t fuse_direct_write(struct file *file, const char __user *buf,
 	struct inode *inode = file->f_dentry->d_inode;
 	ssize_t res;
 	/* Don't allow parallel writes to the same file */
-	down(&inode->i_sem);
+	mutex_lock(&inode->i_mutex);
 	res = fuse_direct_io(file, buf, count, ppos, 1);
-	up(&inode->i_sem);
+	mutex_unlock(&inode->i_mutex);
 	return res;
 }
 
diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c
index d499393a8ae..050a4927649 100644
--- a/fs/hfs/inode.c
+++ b/fs/hfs/inode.c
@@ -547,13 +547,13 @@ static int hfs_file_release(struct inode *inode, struct file *file)
 	if (atomic_read(&file->f_count) != 0)
 		return 0;
 	if (atomic_dec_and_test(&HFS_I(inode)->opencnt)) {
-		down(&inode->i_sem);
+		mutex_lock(&inode->i_mutex);
 		hfs_file_truncate(inode);
 		//if (inode->i_flags & S_DEAD) {
 		//	hfs_delete_cat(inode->i_ino, HFSPLUS_SB(sb).hidden_dir, NULL);
 		//	hfs_delete_inode(inode);
 		//}
-		up(&inode->i_sem);
+		mutex_unlock(&inode->i_mutex);
 	}
 	return 0;
 }
diff --git a/fs/hfsplus/bitmap.c b/fs/hfsplus/bitmap.c
index c7d316455fa..9fb51632303 100644
--- a/fs/hfsplus/bitmap.c
+++ b/fs/hfsplus/bitmap.c
@@ -29,7 +29,7 @@ int hfsplus_block_allocate(struct super_block *sb, u32 size, u32 offset, u32 *ma
 		return size;
 
 	dprint(DBG_BITMAP, "block_allocate: %u,%u,%u\n", size, offset, len);
-	down(&HFSPLUS_SB(sb).alloc_file->i_sem);
+	mutex_lock(&HFSPLUS_SB(sb).alloc_file->i_mutex);
 	mapping = HFSPLUS_SB(sb).alloc_file->i_mapping;
 	page = read_cache_page(mapping, offset / PAGE_CACHE_BITS,
 			       (filler_t *)mapping->a_ops->readpage, NULL);
@@ -143,7 +143,7 @@ done:
 	sb->s_dirt = 1;
 	dprint(DBG_BITMAP, "-> %u,%u\n", start, *max);
 out:
-	up(&HFSPLUS_SB(sb).alloc_file->i_sem);
+	mutex_unlock(&HFSPLUS_SB(sb).alloc_file->i_mutex);
 	return start;
 }
 
@@ -164,7 +164,7 @@ int hfsplus_block_free(struct super_block *sb, u32 offset, u32 count)
 	if ((offset + count) > HFSPLUS_SB(sb).total_blocks)
 		return -2;
 
-	down(&HFSPLUS_SB(sb).alloc_file->i_sem);
+	mutex_lock(&HFSPLUS_SB(sb).alloc_file->i_mutex);
 	mapping = HFSPLUS_SB(sb).alloc_file->i_mapping;
 	pnr = offset / PAGE_CACHE_BITS;
 	page = read_cache_page(mapping, pnr, (filler_t *)mapping->a_ops->readpage, NULL);
@@ -215,7 +215,7 @@ out:
 	kunmap(page);
 	HFSPLUS_SB(sb).free_blocks += len;
 	sb->s_dirt = 1;
-	up(&HFSPLUS_SB(sb).alloc_file->i_sem);
+	mutex_unlock(&HFSPLUS_SB(sb).alloc_file->i_mutex);
 
 	return 0;
 }
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index fc98583cf04..983bcd02ac1 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -276,13 +276,13 @@ static int hfsplus_file_release(struct inode *inode, struct file *file)
 	if (atomic_read(&file->f_count) != 0)
 		return 0;
 	if (atomic_dec_and_test(&HFSPLUS_I(inode).opencnt)) {
-		down(&inode->i_sem);
+		mutex_lock(&inode->i_mutex);
 		hfsplus_file_truncate(inode);
 		if (inode->i_flags & S_DEAD) {
 			hfsplus_delete_cat(inode->i_ino, HFSPLUS_SB(sb).hidden_dir, NULL);
 			hfsplus_delete_inode(inode);
 		}
-		up(&inode->i_sem);
+		mutex_unlock(&inode->i_mutex);
 	}
 	return 0;
 }
diff --git a/fs/hpfs/dir.c b/fs/hpfs/dir.c
author	Alexey Samsonov <samsonov@google.com>	2012-12-06 23:59:54 +0000
committer	Alexey Samsonov <samsonov@google.com>	2012-12-06 23:59:54 +0000
commit	e40aecf037a60e2c30f29c322eb09bd7da0fe0a9 (patch)
tree	d1402791746788160fd56f1487499e9098aa25d0 /lib
parent	c4e8ddff0c29bfc2eb1d5bf13e947bd04d4454ff (diff)