btrfs: constify xattr_handler

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c
index 6ef7b26..8d432cd 100644 (file)
--- a/fs/btrfs/acl.c
+++ b/fs/btrfs/acl.c
@@ -282,14 +282,14 @@ int btrfs_acl_chmod(struct inode *inode)
        return ret;
 }
 
-struct xattr_handler btrfs_xattr_acl_default_handler = {
+const struct xattr_handler btrfs_xattr_acl_default_handler = {
        .prefix = POSIX_ACL_XATTR_DEFAULT,
        .flags  = ACL_TYPE_DEFAULT,
        .get    = btrfs_xattr_acl_get,
        .set    = btrfs_xattr_acl_set,
 };
 
-struct xattr_handler btrfs_xattr_acl_access_handler = {
+const struct xattr_handler btrfs_xattr_acl_access_handler = {
        .prefix = POSIX_ACL_XATTR_ACCESS,
        .flags  = ACL_TYPE_ACCESS,
        .get    = btrfs_xattr_acl_get,

diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c
index 193b58f..59acd3e 100644 (file)
--- a/fs/btrfs/xattr.c
+++ b/fs/btrfs/xattr.c
@@ -282,7 +282,7 @@ err:
  * List of handlers for synthetic system.* attributes.  All real ondisk
  * attributes are handled directly.
  */
-struct xattr_handler *btrfs_xattr_handlers[] = {
+const struct xattr_handler *btrfs_xattr_handlers[] = {
 #ifdef CONFIG_BTRFS_FS_POSIX_ACL
        &btrfs_xattr_acl_access_handler,
        &btrfs_xattr_acl_default_handler,

diff --git a/fs/btrfs/xattr.h b/fs/btrfs/xattr.h
index 721efa0..7a43fd6 100644 (file)
--- a/fs/btrfs/xattr.h
+++ b/fs/btrfs/xattr.h
@@ -21,9 +21,9 @@
 
 #include <linux/xattr.h>
 
-extern struct xattr_handler btrfs_xattr_acl_access_handler;
-extern struct xattr_handler btrfs_xattr_acl_default_handler;
-extern struct xattr_handler *btrfs_xattr_handlers[];
+extern const struct xattr_handler btrfs_xattr_acl_access_handler;
+extern const struct xattr_handler btrfs_xattr_acl_default_handler;
+extern const struct xattr_handler *btrfs_xattr_handlers[];
 
 extern ssize_t __btrfs_getxattr(struct inode *inode, const char *name,
                void *buffer, size_t size);