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-rw-r--r--fs/ocfs2/Makefile4
-rw-r--r--fs/ocfs2/xattr.c110
-rw-r--r--fs/ocfs2/xattr_trusted.c82
-rw-r--r--fs/ocfs2/xattr_user.c94
4 files changed, 111 insertions, 179 deletions
diff --git a/fs/ocfs2/Makefile b/fs/ocfs2/Makefile
index 21323da40855..589dcdfdfe3c 100644
--- a/fs/ocfs2/Makefile
+++ b/fs/ocfs2/Makefile
@@ -35,9 +35,7 @@ ocfs2-objs := \
35 sysfile.o \ 35 sysfile.o \
36 uptodate.o \ 36 uptodate.o \
37 ver.o \ 37 ver.o \
38 xattr.o \ 38 xattr.o
39 xattr_user.o \
40 xattr_trusted.o
41 39
42ocfs2_stackglue-objs := stackglue.o 40ocfs2_stackglue-objs := stackglue.o
43ocfs2_stack_o2cb-objs := stack_o2cb.o 41ocfs2_stack_o2cb-objs := stack_o2cb.o
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index e21a1a8b4257..0f556b00235e 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -37,6 +37,9 @@
37#include <linux/writeback.h> 37#include <linux/writeback.h>
38#include <linux/falloc.h> 38#include <linux/falloc.h>
39#include <linux/sort.h> 39#include <linux/sort.h>
40#include <linux/init.h>
41#include <linux/module.h>
42#include <linux/string.h>
40 43
41#define MLOG_MASK_PREFIX ML_XATTR 44#define MLOG_MASK_PREFIX ML_XATTR
42#include <cluster/masklog.h> 45#include <cluster/masklog.h>
@@ -4740,3 +4743,110 @@ static int ocfs2_delete_xattr_index_block(struct inode *inode,
4740out: 4743out:
4741 return ret; 4744 return ret;
4742} 4745}
4746
4747/*
4748 * 'trusted' attributes support
4749 */
4750
4751#define XATTR_TRUSTED_PREFIX "trusted."
4752
4753static size_t ocfs2_xattr_trusted_list(struct inode *inode, char *list,
4754 size_t list_size, const char *name,
4755 size_t name_len)
4756{
4757 const size_t prefix_len = sizeof(XATTR_TRUSTED_PREFIX) - 1;
4758 const size_t total_len = prefix_len + name_len + 1;
4759
4760 if (list && total_len <= list_size) {
4761 memcpy(list, XATTR_TRUSTED_PREFIX, prefix_len);
4762 memcpy(list + prefix_len, name, name_len);
4763 list[prefix_len + name_len] = '\0';
4764 }
4765 return total_len;
4766}
4767
4768static int ocfs2_xattr_trusted_get(struct inode *inode, const char *name,
4769 void *buffer, size_t size)
4770{
4771 if (strcmp(name, "") == 0)
4772 return -EINVAL;
4773 return ocfs2_xattr_get(inode, OCFS2_XATTR_INDEX_TRUSTED, name,
4774 buffer, size);
4775}
4776
4777static int ocfs2_xattr_trusted_set(struct inode *inode, const char *name,
4778 const void *value, size_t size, int flags)
4779{
4780 if (strcmp(name, "") == 0)
4781 return -EINVAL;
4782
4783 return ocfs2_xattr_set(inode, OCFS2_XATTR_INDEX_TRUSTED, name, value,
4784 size, flags);
4785}
4786
4787struct xattr_handler ocfs2_xattr_trusted_handler = {
4788 .prefix = XATTR_TRUSTED_PREFIX,
4789 .list = ocfs2_xattr_trusted_list,
4790 .get = ocfs2_xattr_trusted_get,
4791 .set = ocfs2_xattr_trusted_set,
4792};
4793
4794
4795/*
4796 * 'user' attributes support
4797 */
4798
4799#define XATTR_USER_PREFIX "user."
4800
4801static size_t ocfs2_xattr_user_list(struct inode *inode, char *list,
4802 size_t list_size, const char *name,
4803 size_t name_len)
4804{
4805 const size_t prefix_len = sizeof(XATTR_USER_PREFIX) - 1;
4806 const size_t total_len = prefix_len + name_len + 1;
4807 struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
4808
4809 if (osb->s_mount_opt & OCFS2_MOUNT_NOUSERXATTR)
4810 return 0;
4811
4812 if (list && total_len <= list_size) {
4813 memcpy(list, XATTR_USER_PREFIX, prefix_len);
4814 memcpy(list + prefix_len, name, name_len);
4815 list[prefix_len + name_len] = '\0';
4816 }
4817 return total_len;
4818}
4819
4820static int ocfs2_xattr_user_get(struct inode *inode, const char *name,
4821 void *buffer, size_t size)
4822{
4823 struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
4824
4825 if (strcmp(name, "") == 0)
4826 return -EINVAL;
4827 if (osb->s_mount_opt & OCFS2_MOUNT_NOUSERXATTR)
4828 return -EOPNOTSUPP;
4829 return ocfs2_xattr_get(inode, OCFS2_XATTR_INDEX_USER, name,
4830 buffer, size);
4831}
4832
4833static int ocfs2_xattr_user_set(struct inode *inode, const char *name,
4834 const void *value, size_t size, int flags)
4835{
4836 struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
4837
4838 if (strcmp(name, "") == 0)
4839 return -EINVAL;
4840 if (osb->s_mount_opt & OCFS2_MOUNT_NOUSERXATTR)
4841 return -EOPNOTSUPP;
4842
4843 return ocfs2_xattr_set(inode, OCFS2_XATTR_INDEX_USER, name, value,
4844 size, flags);
4845}
4846
4847struct xattr_handler ocfs2_xattr_user_handler = {
4848 .prefix = XATTR_USER_PREFIX,
4849 .list = ocfs2_xattr_user_list,
4850 .get = ocfs2_xattr_user_get,
4851 .set = ocfs2_xattr_user_set,
4852};
diff --git a/fs/ocfs2/xattr_trusted.c b/fs/ocfs2/xattr_trusted.c
deleted file mode 100644
index 4c589c447aaf..000000000000
--- a/fs/ocfs2/xattr_trusted.c
+++ /dev/null
@@ -1,82 +0,0 @@
1/* -*- mode: c; c-basic-offset: 8; -*-
2 * vim: noexpandtab sw=8 ts=8 sts=0:
3 *
4 * xattr_trusted.c
5 *
6 * Copyright (C) 2008 Oracle. All rights reserved.
7 *
8 * CREDITS:
9 * Lots of code in this file is taken from ext3.
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public
13 * License as published by the Free Software Foundation; either
14 * version 2 of the License, or (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public
22 * License along with this program; if not, write to the
23 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 * Boston, MA 021110-1307, USA.
25 */
26
27#include <linux/init.h>
28#include <linux/module.h>
29#include <linux/string.h>
30
31#define MLOG_MASK_PREFIX ML_INODE
32#include <cluster/masklog.h>
33
34#include "ocfs2.h"
35#include "alloc.h"
36#include "dlmglue.h"
37#include "file.h"
38#include "ocfs2_fs.h"
39#include "xattr.h"
40
41#define XATTR_TRUSTED_PREFIX "trusted."
42
43static size_t ocfs2_xattr_trusted_list(struct inode *inode, char *list,
44 size_t list_size, const char *name,
45 size_t name_len)
46{
47 const size_t prefix_len = sizeof(XATTR_TRUSTED_PREFIX) - 1;
48 const size_t total_len = prefix_len + name_len + 1;
49
50 if (list && total_len <= list_size) {
51 memcpy(list, XATTR_TRUSTED_PREFIX, prefix_len);
52 memcpy(list + prefix_len, name, name_len);
53 list[prefix_len + name_len] = '\0';
54 }
55 return total_len;
56}
57
58static int ocfs2_xattr_trusted_get(struct inode *inode, const char *name,
59 void *buffer, size_t size)
60{
61 if (strcmp(name, "") == 0)
62 return -EINVAL;
63 return ocfs2_xattr_get(inode, OCFS2_XATTR_INDEX_TRUSTED, name,
64 buffer, size);
65}
66
67static int ocfs2_xattr_trusted_set(struct inode *inode, const char *name,
68 const void *value, size_t size, int flags)
69{
70 if (strcmp(name, "") == 0)
71 return -EINVAL;
72
73 return ocfs2_xattr_set(inode, OCFS2_XATTR_INDEX_TRUSTED, name, value,
74 size, flags);
75}
76
77struct xattr_handler ocfs2_xattr_trusted_handler = {
78 .prefix = XATTR_TRUSTED_PREFIX,
79 .list = ocfs2_xattr_trusted_list,
80 .get = ocfs2_xattr_trusted_get,
81 .set = ocfs2_xattr_trusted_set,
82};
diff --git a/fs/ocfs2/xattr_user.c b/fs/ocfs2/xattr_user.c
deleted file mode 100644
index 93ba71637788..000000000000
--- a/fs/ocfs2/xattr_user.c
+++ /dev/null
@@ -1,94 +0,0 @@
1/* -*- mode: c; c-basic-offset: 8; -*-
2 * vim: noexpandtab sw=8 ts=8 sts=0:
3 *
4 * xattr_user.c
5 *
6 * Copyright (C) 2008 Oracle. All rights reserved.
7 *
8 * CREDITS:
9 * Lots of code in this file is taken from ext3.
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public
13 * License as published by the Free Software Foundation; either
14 * version 2 of the License, or (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public
22 * License along with this program; if not, write to the
23 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 * Boston, MA 021110-1307, USA.
25 */
26
27#include <linux/init.h>
28#include <linux/module.h>
29#include <linux/string.h>
30
31#define MLOG_MASK_PREFIX ML_INODE
32#include <cluster/masklog.h>
33
34#include "ocfs2.h"
35#include "alloc.h"
36#include "dlmglue.h"
37#include "file.h"
38#include "ocfs2_fs.h"
39#include "xattr.h"
40
41#define XATTR_USER_PREFIX "user."
42
43static size_t ocfs2_xattr_user_list(struct inode *inode, char *list,
44 size_t list_size, const char *name,
45 size_t name_len)
46{
47 const size_t prefix_len = sizeof(XATTR_USER_PREFIX) - 1;
48 const size_t total_len = prefix_len + name_len + 1;
49 struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
50
51 if (osb->s_mount_opt & OCFS2_MOUNT_NOUSERXATTR)
52 return 0;
53
54 if (list && total_len <= list_size) {
55 memcpy(list, XATTR_USER_PREFIX, prefix_len);
56 memcpy(list + prefix_len, name, name_len);
57 list[prefix_len + name_len] = '\0';
58 }
59 return total_len;
60}
61
62static int ocfs2_xattr_user_get(struct inode *inode, const char *name,
63 void *buffer, size_t size)
64{
65 struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
66
67 if (strcmp(name, "") == 0)
68 return -EINVAL;
69 if (osb->s_mount_opt & OCFS2_MOUNT_NOUSERXATTR)
70 return -EOPNOTSUPP;
71 return ocfs2_xattr_get(inode, OCFS2_XATTR_INDEX_USER, name,
72 buffer, size);
73}
74
75static int ocfs2_xattr_user_set(struct inode *inode, const char *name,
76 const void *value, size_t size, int flags)
77{
78 struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
79
80 if (strcmp(name, "") == 0)
81 return -EINVAL;
82 if (osb->s_mount_opt & OCFS2_MOUNT_NOUSERXATTR)
83 return -EOPNOTSUPP;
84
85 return ocfs2_xattr_set(inode, OCFS2_XATTR_INDEX_USER, name, value,
86 size, flags);
87}
88
89struct xattr_handler ocfs2_xattr_user_handler = {
90 .prefix = XATTR_USER_PREFIX,
91 .list = ocfs2_xattr_user_list,
92 .get = ocfs2_xattr_user_get,
93 .set = ocfs2_xattr_user_set,
94};
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-21 07:36:48 -0500