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path: root/fs/reiserfs/xattr_trusted.c
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Diffstat (limited to 'fs/reiserfs/xattr_trusted.c')
-rw-r--r--fs/reiserfs/xattr_trusted.c45
1 files changed, 11 insertions, 34 deletions
diff --git a/fs/reiserfs/xattr_trusted.c b/fs/reiserfs/xattr_trusted.c
index 076ad388d489..a865042f75e2 100644
--- a/fs/reiserfs/xattr_trusted.c
+++ b/fs/reiserfs/xattr_trusted.c
@@ -13,10 +13,7 @@ trusted_get(struct inode *inode, const char *name, void *buffer, size_t size)
if (strlen(name) < sizeof(XATTR_TRUSTED_PREFIX))
return -EINVAL;
- if (!reiserfs_xattrs(inode->i_sb))
- return -EOPNOTSUPP;
-
- if (!(capable(CAP_SYS_ADMIN) || IS_PRIVATE(inode)))
+ if (!capable(CAP_SYS_ADMIN) || IS_PRIVATE(inode))
return -EPERM;
return reiserfs_xattr_get(inode, name, buffer, size);
@@ -29,50 +26,30 @@ trusted_set(struct inode *inode, const char *name, const void *buffer,
if (strlen(name) < sizeof(XATTR_TRUSTED_PREFIX))
return -EINVAL;
- if (!reiserfs_xattrs(inode->i_sb))
- return -EOPNOTSUPP;
-
- if (!(capable(CAP_SYS_ADMIN) || IS_PRIVATE(inode)))
+ if (!capable(CAP_SYS_ADMIN) || IS_PRIVATE(inode))
return -EPERM;
return reiserfs_xattr_set(inode, name, buffer, size, flags);
}
-static int trusted_del(struct inode *inode, const char *name)
+static size_t trusted_list(struct inode *inode, char *list, size_t list_size,
+ const char *name, size_t name_len)
{
- if (strlen(name) < sizeof(XATTR_TRUSTED_PREFIX))
- return -EINVAL;
+ const size_t len = name_len + 1;
- if (!reiserfs_xattrs(inode->i_sb))
- return -EOPNOTSUPP;
-
- if (!(capable(CAP_SYS_ADMIN) || IS_PRIVATE(inode)))
- return -EPERM;
-
- return 0;
-}
-
-static int
-trusted_list(struct inode *inode, const char *name, int namelen, char *out)
-{
- int len = namelen;
-
- if (!reiserfs_xattrs(inode->i_sb))
+ if (!capable(CAP_SYS_ADMIN) || IS_PRIVATE(inode))
return 0;
- if (!(capable(CAP_SYS_ADMIN) || IS_PRIVATE(inode)))
- return 0;
-
- if (out)
- memcpy(out, name, len);
-
+ if (list && len <= list_size) {
+ memcpy(list, name, name_len);
+ list[name_len] = '\0';
+ }
return len;
}
-struct reiserfs_xattr_handler trusted_handler = {
+struct xattr_handler reiserfs_xattr_trusted_handler = {
.prefix = XATTR_TRUSTED_PREFIX,
.get = trusted_get,
.set = trusted_set,
- .del = trusted_del,
.list = trusted_list,
};