[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem

[linux-2.6-omap-h63xx.git] / drivers / usb / core / inode.c

diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index 4ddc453023a264362f8681d9ec050678da877dba..3cf945cc5b9ae1298fcc5fb7ad472a452f758c5f 100644 (file)
--- 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);
 }
 
 /* --------------------------------------------------------------------- */