summaryrefslogtreecommitdiff
path: root/fs/nfs/nfs3acl.c
diff options
context:
space:
mode:
authorDave Airlie <airlied@redhat.com>2014-08-05 09:04:59 +1000
committerDave Airlie <airlied@redhat.com>2014-08-05 09:04:59 +1000
commit5d42f82a9b8c5168d75cf59307cd271feca94464 (patch)
treea7049189a2c814589b3ad7e6e776fb736f980967 /fs/nfs/nfs3acl.c
parentc759606c96dc052373d4c36ea383595da46b04e9 (diff)
parent19583ca584d6f574384e17fe7613dfaeadcdc4a6 (diff)
Merge tag 'v3.16' into drm-next
Linux 3.16 backmerge requested by i915, nouveau and radeon authors Conflicts: drivers/gpu/drm/i915/i915_gem_render_state.c drivers/gpu/drm/i915/intel_drv.h
Diffstat (limited to 'fs/nfs/nfs3acl.c')
-rw-r--r--fs/nfs/nfs3acl.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/fs/nfs/nfs3acl.c b/fs/nfs/nfs3acl.c
index 871d6eda8dba..8f854dde4150 100644
--- a/fs/nfs/nfs3acl.c
+++ b/fs/nfs/nfs3acl.c
@@ -247,3 +247,46 @@ const struct xattr_handler *nfs3_xattr_handlers[] = {
&posix_acl_default_xattr_handler,
NULL,
};
+
+static int
+nfs3_list_one_acl(struct inode *inode, int type, const char *name, void *data,
+ size_t size, ssize_t *result)
+{
+ struct posix_acl *acl;
+ char *p = data + *result;
+
+ acl = get_acl(inode, type);
+ if (!acl)
+ return 0;
+
+ posix_acl_release(acl);
+
+ *result += strlen(name);
+ *result += 1;
+ if (!size)
+ return 0;
+ if (*result > size)
+ return -ERANGE;
+
+ strcpy(p, name);
+ return 0;
+}
+
+ssize_t
+nfs3_listxattr(struct dentry *dentry, char *data, size_t size)
+{
+ struct inode *inode = dentry->d_inode;
+ ssize_t result = 0;
+ int error;
+
+ error = nfs3_list_one_acl(inode, ACL_TYPE_ACCESS,
+ POSIX_ACL_XATTR_ACCESS, data, size, &result);
+ if (error)
+ return error;
+
+ error = nfs3_list_one_acl(inode, ACL_TYPE_DEFAULT,
+ POSIX_ACL_XATTR_DEFAULT, data, size, &result);
+ if (error)
+ return error;
+ return result;
+}