diff options
| -rw-r--r-- | fs/ocfs2/Makefile | 4 | ||||
| -rw-r--r-- | fs/ocfs2/xattr.c | 110 | ||||
| -rw-r--r-- | fs/ocfs2/xattr_trusted.c | 82 | ||||
| -rw-r--r-- | fs/ocfs2/xattr_user.c | 94 |
4 files changed, 111 insertions, 179 deletions
diff --git a/fs/ocfs2/Makefile b/fs/ocfs2/Makefile index 21323da..589dcdf 100644 --- a/fs/ocfs2/Makefile +++ b/fs/ocfs2/Makefile @@ -35,9 +35,7 @@ ocfs2-objs := \ sysfile.o \ uptodate.o \ ver.o \ - xattr.o \ - xattr_user.o \ - xattr_trusted.o + xattr.o ocfs2_stackglue-objs := stackglue.o ocfs2_stack_o2cb-objs := stack_o2cb.o diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index e21a1a8..0f556b0 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -37,6 +37,9 @@ #include <linux/writeback.h> #include <linux/falloc.h> #include <linux/sort.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/string.h> #define MLOG_MASK_PREFIX ML_XATTR #include <cluster/masklog.h> @@ -4740,3 +4743,110 @@ static int ocfs2_delete_xattr_index_block(struct inode *inode, out: return ret; } + +/* + * 'trusted' attributes support + */ + +#define XATTR_TRUSTED_PREFIX "trusted." + +static size_t ocfs2_xattr_trusted_list(struct inode *inode, char *list, + size_t list_size, const char *name, + size_t name_len) +{ + const size_t prefix_len = sizeof(XATTR_TRUSTED_PREFIX) - 1; + const size_t total_len = prefix_len + name_len + 1; + + if (list && total_len <= list_size) { + memcpy(list, XATTR_TRUSTED_PREFIX, prefix_len); + memcpy(list + prefix_len, name, name_len); + list[prefix_len + name_len] = '\0'; + } + return total_len; +} + +static int ocfs2_xattr_trusted_get(struct inode *inode, const char *name, + void *buffer, size_t size) +{ + if (strcmp(name, "") == 0) + return -EINVAL; + return ocfs2_xattr_get(inode, OCFS2_XATTR_INDEX_TRUSTED, name, + buffer, size); +} + +static int ocfs2_xattr_trusted_set(struct inode *inode, const char *name, + const void *value, size_t size, int flags) +{ + if (strcmp(name, "") == 0) + return -EINVAL; + + return ocfs2_xattr_set(inode, OCFS2_XATTR_INDEX_TRUSTED, name, value, + size, flags); +} + +struct xattr_handler ocfs2_xattr_trusted_handler = { + .prefix = XATTR_TRUSTED_PREFIX, + .list = ocfs2_xattr_trusted_list, + .get = ocfs2_xattr_trusted_get, + .set = ocfs2_xattr_trusted_set, +}; + + +/* + * 'user' attributes support + */ + +#define XATTR_USER_PREFIX "user." + +static size_t ocfs2_xattr_user_list(struct inode *inode, char *list, + size_t list_size, const char *name, + size_t name_len) +{ + const size_t prefix_len = sizeof(XATTR_USER_PREFIX) - 1; + const size_t total_len = prefix_len + name_len + 1; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + + if (osb->s_mount_opt & OCFS2_MOUNT_NOUSERXATTR) + return 0; + + if (list && total_len <= list_size) { + memcpy(list, XATTR_USER_PREFIX, prefix_len); + memcpy(list + prefix_len, name, name_len); + list[prefix_len + name_len] = '\0'; + } + return total_len; +} + +static int ocfs2_xattr_user_get(struct inode *inode, const char *name, + void *buffer, size_t size) +{ + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + + if (strcmp(name, "") == 0) + return -EINVAL; + if (osb->s_mount_opt & OCFS2_MOUNT_NOUSERXATTR) + return -EOPNOTSUPP; + return ocfs2_xattr_get(inode, OCFS2_XATTR_INDEX_USER, name, + buffer, size); +} + +static int ocfs2_xattr_user_set(struct inode *inode, const char *name, + const void *value, size_t size, int flags) +{ + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + + if (strcmp(name, "") == 0) + return -EINVAL; + if (osb->s_mount_opt & OCFS2_MOUNT_NOUSERXATTR) + return -EOPNOTSUPP; + + return ocfs2_xattr_set(inode, OCFS2_XATTR_INDEX_USER, name, value, + size, flags); +} + +struct xattr_handler ocfs2_xattr_user_handler = { + .prefix = XATTR_USER_PREFIX, + .list = ocfs2_xattr_user_list, + .get = ocfs2_xattr_user_get, + .set = ocfs2_xattr_user_set, +}; diff --git a/fs/ocfs2/xattr_trusted.c b/fs/ocfs2/xattr_trusted.c deleted file mode 100644 index 4c589c4..0000000 --- a/fs/ocfs2/xattr_trusted.c +++ /dev/null @@ -1,82 +0,0 @@ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * - * xattr_trusted.c - * - * Copyright (C) 2008 Oracle. All rights reserved. - * - * CREDITS: - * Lots of code in this file is taken from ext3. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public - * License along with this program; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 021110-1307, USA. - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/string.h> - -#define MLOG_MASK_PREFIX ML_INODE -#include <cluster/masklog.h> - -#include "ocfs2.h" -#include "alloc.h" -#include "dlmglue.h" -#include "file.h" -#include "ocfs2_fs.h" -#include "xattr.h" - -#define XATTR_TRUSTED_PREFIX "trusted." - -static size_t ocfs2_xattr_trusted_list(struct inode *inode, char *list, - size_t list_size, const char *name, - size_t name_len) -{ - const size_t prefix_len = sizeof(XATTR_TRUSTED_PREFIX) - 1; - const size_t total_len = prefix_len + name_len + 1; - - if (list && total_len <= list_size) { - memcpy(list, XATTR_TRUSTED_PREFIX, prefix_len); - memcpy(list + prefix_len, name, name_len); - list[prefix_len + name_len] = '\0'; - } - return total_len; -} - -static int ocfs2_xattr_trusted_get(struct inode *inode, const char *name, - void *buffer, size_t size) -{ - if (strcmp(name, "") == 0) - return -EINVAL; - return ocfs2_xattr_get(inode, OCFS2_XATTR_INDEX_TRUSTED, name, - buffer, size); -} - -static int ocfs2_xattr_trusted_set(struct inode *inode, const char *name, - const void *value, size_t size, int flags) -{ - if (strcmp(name, "") == 0) - return -EINVAL; - - return ocfs2_xattr_set(inode, OCFS2_XATTR_INDEX_TRUSTED, name, value, - size, flags); -} - -struct xattr_handler ocfs2_xattr_trusted_handler = { - .prefix = XATTR_TRUSTED_PREFIX, - .list = ocfs2_xattr_trusted_list, - .get = ocfs2_xattr_trusted_get, - .set = ocfs2_xattr_trusted_set, -}; diff --git a/fs/ocfs2/xattr_user.c b/fs/ocfs2/xattr_user.c deleted file mode 100644 index 93ba716..0000000 --- a/fs/ocfs2/xattr_user.c +++ /dev/null @@ -1,94 +0,0 @@ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * - * xattr_user.c - * - * Copyright (C) 2008 Oracle. All rights reserved. - * - * CREDITS: - * Lots of code in this file is taken from ext3. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public - * License along with this program; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 021110-1307, USA. - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/string.h> - -#define MLOG_MASK_PREFIX ML_INODE -#include <cluster/masklog.h> - -#include "ocfs2.h" -#include "alloc.h" -#include "dlmglue.h" -#include "file.h" -#include "ocfs2_fs.h" -#include "xattr.h" - -#define XATTR_USER_PREFIX "user." - -static size_t ocfs2_xattr_user_list(struct inode *inode, char *list, - size_t list_size, const char *name, - size_t name_len) -{ - const size_t prefix_len = sizeof(XATTR_USER_PREFIX) - 1; - const size_t total_len = prefix_len + name_len + 1; - struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - - if (osb->s_mount_opt & OCFS2_MOUNT_NOUSERXATTR) - return 0; - - if (list && total_len <= list_size) { - memcpy(list, XATTR_USER_PREFIX, prefix_len); - memcpy(list + prefix_len, name, name_len); - list[prefix_len + name_len] = '\0'; - } - return total_len; -} - -static int ocfs2_xattr_user_get(struct inode *inode, const char *name, - void *buffer, size_t size) -{ - struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - - if (strcmp(name, "") == 0) - return -EINVAL; - if (osb->s_mount_opt & OCFS2_MOUNT_NOUSERXATTR) - return -EOPNOTSUPP; - return ocfs2_xattr_get(inode, OCFS2_XATTR_INDEX_USER, name, - buffer, size); -} - -static int ocfs2_xattr_user_set(struct inode *inode, const char *name, - const void *value, size_t size, int flags) -{ - struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - - if (strcmp(name, "") == 0) - return -EINVAL; - if (osb->s_mount_opt & OCFS2_MOUNT_NOUSERXATTR) - return -EOPNOTSUPP; - - return ocfs2_xattr_set(inode, OCFS2_XATTR_INDEX_USER, name, value, - size, flags); -} - -struct xattr_handler ocfs2_xattr_user_handler = { - .prefix = XATTR_USER_PREFIX, - .list = ocfs2_xattr_user_list, - .get = ocfs2_xattr_user_get, - .set = ocfs2_xattr_user_set, -}; |