eCryptfs: Remove mmap from directory operations
[safe/jmp/linux-2.6] / fs / ext3 / xattr_user.c
index e907cae..3bcfe9e 100644 (file)
@@ -8,21 +8,18 @@
 #include <linux/module.h>
 #include <linux/string.h>
 #include <linux/fs.h>
-#include <linux/smp_lock.h>
 #include <linux/ext3_jbd.h>
 #include <linux/ext3_fs.h>
 #include "xattr.h"
 
-#define XATTR_USER_PREFIX "user."
-
 static size_t
-ext3_xattr_user_list(struct inode *inode, char *list, size_t list_size,
-                    const char *name, size_t name_len)
+ext3_xattr_user_list(struct dentry *dentry, char *list, size_t list_size,
+               const char *name, size_t name_len, int type)
 {
-       const size_t prefix_len = sizeof(XATTR_USER_PREFIX)-1;
+       const size_t prefix_len = XATTR_USER_PREFIX_LEN;
        const size_t total_len = prefix_len + name_len + 1;
 
-       if (!test_opt(inode->i_sb, XATTR_USER))
+       if (!test_opt(dentry->d_sb, XATTR_USER))
                return 0;
 
        if (list && total_len <= list_size) {
@@ -34,41 +31,27 @@ ext3_xattr_user_list(struct inode *inode, char *list, size_t list_size,
 }
 
 static int
-ext3_xattr_user_get(struct inode *inode, const char *name,
-                   void *buffer, size_t size)
+ext3_xattr_user_get(struct dentry *dentry, const char *name, void *buffer,
+               size_t size, int type)
 {
-       int error;
-
        if (strcmp(name, "") == 0)
                return -EINVAL;
-       if (!test_opt(inode->i_sb, XATTR_USER))
+       if (!test_opt(dentry->d_sb, XATTR_USER))
                return -EOPNOTSUPP;
-       error = permission(inode, MAY_READ, NULL);
-       if (error)
-               return error;
-
-       return ext3_xattr_get(inode, EXT3_XATTR_INDEX_USER, name, buffer, size);
+       return ext3_xattr_get(dentry->d_inode, EXT3_XATTR_INDEX_USER,
+                             name, buffer, size);
 }
 
 static int
-ext3_xattr_user_set(struct inode *inode, const char *name,
-                   const void *value, size_t size, int flags)
+ext3_xattr_user_set(struct dentry *dentry, const char *name,
+               const void *value, size_t size, int flags, int type)
 {
-       int error;
-
        if (strcmp(name, "") == 0)
                return -EINVAL;
-       if (!test_opt(inode->i_sb, XATTR_USER))
+       if (!test_opt(dentry->d_sb, XATTR_USER))
                return -EOPNOTSUPP;
-       if ( !S_ISREG(inode->i_mode) &&
-           (!S_ISDIR(inode->i_mode) || inode->i_mode & S_ISVTX))
-               return -EPERM;
-       error = permission(inode, MAY_WRITE, NULL);
-       if (error)
-               return error;
-
-       return ext3_xattr_set(inode, EXT3_XATTR_INDEX_USER, name,
-                             value, size, flags);
+       return ext3_xattr_set(dentry->d_inode, EXT3_XATTR_INDEX_USER,
+                             name, value, size, flags);
 }
 
 struct xattr_handler ext3_xattr_user_handler = {