~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/fs/ext4/xattr_user.c

Version: ~ [ linux-5.6 ] ~ [ linux-5.5.13 ] ~ [ linux-5.4.28 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.113 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.174 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.217 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.217 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.82 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-3.9.11 ] ~ [ linux-3.8.13 ] ~ [ linux-3.7.10 ] ~ [ linux-3.6.11 ] ~ [ linux-3.5.7 ] ~ [ linux-3.4.113 ] ~ [ linux-3.3.8 ] ~ [ linux-3.2.102 ] ~ [ linux-3.1.10 ] ~ [ linux-3.0.101 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 // SPDX-License-Identifier: GPL-2.0
  2 /*
  3  * linux/fs/ext4/xattr_user.c
  4  * Handler for extended user attributes.
  5  *
  6  * Copyright (C) 2001 by Andreas Gruenbacher, <a.gruenbacher@computer.org>
  7  */
  8 
  9 #include <linux/string.h>
 10 #include <linux/fs.h>
 11 #include "ext4_jbd2.h"
 12 #include "ext4.h"
 13 #include "xattr.h"
 14 
 15 static bool
 16 ext4_xattr_user_list(struct dentry *dentry)
 17 {
 18         return test_opt(dentry->d_sb, XATTR_USER);
 19 }
 20 
 21 static int
 22 ext4_xattr_user_get(const struct xattr_handler *handler,
 23                     struct dentry *unused, struct inode *inode,
 24                     const char *name, void *buffer, size_t size)
 25 {
 26         if (!test_opt(inode->i_sb, XATTR_USER))
 27                 return -EOPNOTSUPP;
 28         return ext4_xattr_get(inode, EXT4_XATTR_INDEX_USER,
 29                               name, buffer, size);
 30 }
 31 
 32 static int
 33 ext4_xattr_user_set(const struct xattr_handler *handler,
 34                     struct dentry *unused, struct inode *inode,
 35                     const char *name, const void *value,
 36                     size_t size, int flags)
 37 {
 38         if (!test_opt(inode->i_sb, XATTR_USER))
 39                 return -EOPNOTSUPP;
 40         return ext4_xattr_set(inode, EXT4_XATTR_INDEX_USER,
 41                               name, value, size, flags);
 42 }
 43 
 44 const struct xattr_handler ext4_xattr_user_handler = {
 45         .prefix = XATTR_USER_PREFIX,
 46         .list   = ext4_xattr_user_list,
 47         .get    = ext4_xattr_user_get,
 48         .set    = ext4_xattr_user_set,
 49 };
 50 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp