Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux...

[karo-tx-linux.git] / fs / btrfs / acl.c

diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c
index b192659b4f5f6c33c69daec38a4da07f0b17cc92..1d53b62dbba51aa61896c8e78ab50b6544e5c267 100644 (file)
--- a/fs/btrfs/acl.c
+++ b/fs/btrfs/acl.c
@@ -27,6 +27,8 @@
 #include "btrfs_inode.h"
 #include "xattr.h"
 
+#ifdef CONFIG_FS_POSIX_ACL
+
 static void btrfs_update_cached_acl(struct inode *inode,
                                    struct posix_acl **p_acl,
                                    struct posix_acl *acl)
@@ -40,17 +42,18 @@ static void btrfs_update_cached_acl(struct inode *inode,
 
 static struct posix_acl *btrfs_get_acl(struct inode *inode, int type)
 {
-       int size, name_index;
+       int size;
+       const char *name;
        char *value = NULL;
        struct posix_acl *acl = NULL, **p_acl;
 
        switch (type) {
        case ACL_TYPE_ACCESS:
-               name_index = BTRFS_XATTR_INDEX_POSIX_ACL_ACCESS;
+               name = POSIX_ACL_XATTR_ACCESS;
                p_acl = &BTRFS_I(inode)->i_acl;
                break;
        case ACL_TYPE_DEFAULT:
-               name_index = BTRFS_XATTR_INDEX_POSIX_ACL_DEFAULT;
+               name = POSIX_ACL_XATTR_DEFAULT;
                p_acl = &BTRFS_I(inode)->i_default_acl;
                break;
        default:
@@ -66,12 +69,12 @@ static struct posix_acl *btrfs_get_acl(struct inode *inode, int type)
                return acl;
 
 
-       size = btrfs_xattr_get(inode, name_index, "", NULL, 0);
+       size = __btrfs_getxattr(inode, name, "", 0);
        if (size > 0) {
                value = kzalloc(size, GFP_NOFS);
                if (!value)
                        return ERR_PTR(-ENOMEM);
-               size = btrfs_xattr_get(inode, name_index, "", value, size);
+               size = __btrfs_getxattr(inode, name, value, size);
                if (size > 0) {
                        acl = posix_acl_from_xattr(value, size);
                        btrfs_update_cached_acl(inode, p_acl, acl);
@@ -108,7 +111,8 @@ static int btrfs_xattr_get_acl(struct inode *inode, int type,
  */
 static int btrfs_set_acl(struct inode *inode, struct posix_acl *acl, int type)
 {
-       int ret, name_index = 0, size = 0;
+       int ret, size = 0;
+       const char *name;
        struct posix_acl **p_acl;
        char *value = NULL;
        mode_t mode;
@@ -128,13 +132,13 @@ static int btrfs_set_acl(struct inode *inode, struct posix_acl *acl, int type)
                        return ret;
                ret = 0;
                inode->i_mode = mode;
-               name_index = BTRFS_XATTR_INDEX_POSIX_ACL_ACCESS;
+               name = POSIX_ACL_XATTR_ACCESS;
                p_acl = &BTRFS_I(inode)->i_acl;
                break;
        case ACL_TYPE_DEFAULT:
                if (!S_ISDIR(inode->i_mode))
                        return acl ? -EINVAL : 0;
-               name_index = BTRFS_XATTR_INDEX_POSIX_ACL_DEFAULT;
+               name = POSIX_ACL_XATTR_DEFAULT;
                p_acl = &BTRFS_I(inode)->i_default_acl;
                break;
        default:
@@ -154,11 +158,10 @@ static int btrfs_set_acl(struct inode *inode, struct posix_acl *acl, int type)
                        goto out;
        }
 
-       ret = btrfs_xattr_set(inode, name_index, "", value, size, 0);
+       ret = __btrfs_setxattr(inode, name, value, size, 0);
 
 out:
-       if (value)
-               kfree(value);
+       kfree(value);
 
        if (!ret)
                btrfs_update_cached_acl(inode, p_acl, acl);
@@ -209,7 +212,7 @@ static int btrfs_xattr_acl_default_get(struct inode *inode, const char *name,
 }
 
 static int btrfs_xattr_acl_default_set(struct inode *inode, const char *name,
-                                      const void *value, size_t size, int flags)
+                              const void *value, size_t size, int flags)
 {
        return btrfs_xattr_set_acl(inode, ACL_TYPE_DEFAULT, value, size);
 }
@@ -318,14 +321,31 @@ int btrfs_acl_chmod(struct inode *inode)
 
 struct xattr_handler btrfs_xattr_acl_default_handler = {
        .prefix = POSIX_ACL_XATTR_DEFAULT,
-       .list   = btrfs_xattr_generic_list,
        .get    = btrfs_xattr_acl_default_get,
        .set    = btrfs_xattr_acl_default_set,
 };
 
 struct xattr_handler btrfs_xattr_acl_access_handler = {
        .prefix = POSIX_ACL_XATTR_ACCESS,
-       .list   = btrfs_xattr_generic_list,
        .get    = btrfs_xattr_acl_access_get,
        .set    = btrfs_xattr_acl_access_set,
 };
+
+#else /* CONFIG_FS_POSIX_ACL */
+
+int btrfs_acl_chmod(struct inode *inode)
+{
+       return 0;
+}
+
+int btrfs_init_acl(struct inode *inode, struct inode *dir)
+{
+       return 0;
+}
+
+int btrfs_check_acl(struct inode *inode, int mask)
+{
+       return 0;
+}
+
+#endif /* CONFIG_FS_POSIX_ACL */