diff options
Diffstat (limited to 'fs/dcache.c')
-rw-r--r-- | fs/dcache.c | 34 |
1 files changed, 15 insertions, 19 deletions
diff --git a/fs/dcache.c b/fs/dcache.c index 44f6cf23b70..66aaf52199e 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -1849,8 +1849,7 @@ char * d_path(struct dentry *dentry, struct vfsmount *vfsmnt, char *buf, int buflen) { char *res; - struct vfsmount *rootmnt; - struct dentry *root; + struct path root; /* * We have various synthetic filesystems that never get mounted. On @@ -1863,14 +1862,13 @@ char * d_path(struct dentry *dentry, struct vfsmount *vfsmnt, return dentry->d_op->d_dname(dentry, buf, buflen); read_lock(¤t->fs->lock); - rootmnt = mntget(current->fs->rootmnt); - root = dget(current->fs->root); + root = current->fs->root; + path_get(¤t->fs->root); read_unlock(¤t->fs->lock); spin_lock(&dcache_lock); - res = __d_path(dentry, vfsmnt, root, rootmnt, buf, buflen); + res = __d_path(dentry, vfsmnt, root.dentry, root.mnt, buf, buflen); spin_unlock(&dcache_lock); - dput(root); - mntput(rootmnt); + path_put(&root); return res; } @@ -1916,28 +1914,28 @@ char *dynamic_dname(struct dentry *dentry, char *buffer, int buflen, asmlinkage long sys_getcwd(char __user *buf, unsigned long size) { int error; - struct vfsmount *pwdmnt, *rootmnt; - struct dentry *pwd, *root; + struct path pwd, root; char *page = (char *) __get_free_page(GFP_USER); if (!page) return -ENOMEM; read_lock(¤t->fs->lock); - pwdmnt = mntget(current->fs->pwdmnt); - pwd = dget(current->fs->pwd); - rootmnt = mntget(current->fs->rootmnt); - root = dget(current->fs->root); + pwd = current->fs->pwd; + path_get(¤t->fs->pwd); + root = current->fs->root; + path_get(¤t->fs->root); read_unlock(¤t->fs->lock); error = -ENOENT; /* Has the current directory has been unlinked? */ spin_lock(&dcache_lock); - if (pwd->d_parent == pwd || !d_unhashed(pwd)) { + if (pwd.dentry->d_parent == pwd.dentry || !d_unhashed(pwd.dentry)) { unsigned long len; char * cwd; - cwd = __d_path(pwd, pwdmnt, root, rootmnt, page, PAGE_SIZE); + cwd = __d_path(pwd.dentry, pwd.mnt, root.dentry, root.mnt, + page, PAGE_SIZE); spin_unlock(&dcache_lock); error = PTR_ERR(cwd); @@ -1955,10 +1953,8 @@ asmlinkage long sys_getcwd(char __user *buf, unsigned long size) spin_unlock(&dcache_lock); out: - dput(pwd); - mntput(pwdmnt); - dput(root); - mntput(rootmnt); + path_put(&pwd); + path_put(&root); free_page((unsigned long) page); return error; } |