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linux-next/fs/reiserfs/xattr_security.c
Shen Feng 3264d4ded4 reiserfs: remove double definitions of xattr macros
remove the definitions of macros:
XATTR_SECURITY_PREFIX
XATTR_TRUSTED_PREFIX
XATTR_USER_PREFIX
since they are defined in linux/xattr.h

Signed-off-by: Shen Feng <shen@cn.fujitsu.com>
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-25 10:53:33 -07:00

66 lines
1.3 KiB
C

#include <linux/reiserfs_fs.h>
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/pagemap.h>
#include <linux/xattr.h>
#include <linux/reiserfs_xattr.h>
#include <asm/uaccess.h>
static int
security_get(struct inode *inode, const char *name, void *buffer, size_t size)
{
if (strlen(name) < sizeof(XATTR_SECURITY_PREFIX))
return -EINVAL;
if (is_reiserfs_priv_object(inode))
return -EPERM;
return reiserfs_xattr_get(inode, name, buffer, size);
}
static int
security_set(struct inode *inode, const char *name, const void *buffer,
size_t size, int flags)
{
if (strlen(name) < sizeof(XATTR_SECURITY_PREFIX))
return -EINVAL;
if (is_reiserfs_priv_object(inode))
return -EPERM;
return reiserfs_xattr_set(inode, name, buffer, size, flags);
}
static int security_del(struct inode *inode, const char *name)
{
if (strlen(name) < sizeof(XATTR_SECURITY_PREFIX))
return -EINVAL;
if (is_reiserfs_priv_object(inode))
return -EPERM;
return 0;
}
static int
security_list(struct inode *inode, const char *name, int namelen, char *out)
{
int len = namelen;
if (is_reiserfs_priv_object(inode))
return 0;
if (out)
memcpy(out, name, len);
return len;
}
struct reiserfs_xattr_handler security_handler = {
.prefix = XATTR_SECURITY_PREFIX,
.get = security_get,
.set = security_set,
.del = security_del,
.list = security_list,
};