1 files changed, 21 insertions, 9 deletions

diff --git a/fs/gfs2/xattr.c b/fs/gfs2/xattr.c
index c2ebdf2c01d4..776af6eb4bcb 100644
--- a/fs/gfs2/xattr.c
+++ b/fs/gfs2/xattr.c
@@ -1296,6 +1296,7 @@ fail:
 
 int gfs2_xattr_acl_chmod(struct gfs2_inode *ip, struct iattr *attr, char *data)
 {
+        struct inode *inode = &ip->i_inode;
         struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
         struct gfs2_ea_location el;
         struct buffer_head *dibh;
@@ -1321,14 +1322,25 @@ int gfs2_xattr_acl_chmod(struct gfs2_inode *ip, struct iattr *attr, char *data)
                 return error;
 
         error = gfs2_meta_inode_buffer(ip, &dibh);
-        if (!error) {
-                error = inode_setattr(&ip->i_inode, attr);
-                gfs2_assert_warn(GFS2_SB(&ip->i_inode), !error);
-                gfs2_trans_add_bh(ip->i_gl, dibh, 1);
-                gfs2_dinode_out(ip, dibh->b_data);
-                brelse(dibh);
+        if (error)
+                goto out_trans_end;
+
+        if ((attr->ia_valid & ATTR_SIZE) &&
+            attr->ia_size != i_size_read(inode)) {
+                int error;
+
+                error = vmtruncate(inode, attr->ia_size);
+                gfs2_assert_warn(GFS2_SB(inode), !error);
         }
 
+        setattr_copy(inode, attr);
+        mark_inode_dirty(inode);
+
+        gfs2_trans_add_bh(ip->i_gl, dibh, 1);
+        gfs2_dinode_out(ip, dibh->b_data);
+        brelse(dibh);
+
+out_trans_end:
         gfs2_trans_end(sdp);
         return error;
 }
@@ -1535,21 +1547,21 @@ out_alloc:
         return error;
 }
 
-static struct xattr_handler gfs2_xattr_user_handler = {
+static const struct xattr_handler gfs2_xattr_user_handler = {
         .prefix = XATTR_USER_PREFIX,
         .flags  = GFS2_EATYPE_USR,
         .get    = gfs2_xattr_get,
         .set    = gfs2_xattr_set,
 };
 
-static struct xattr_handler gfs2_xattr_security_handler = {
+static const struct xattr_handler gfs2_xattr_security_handler = {
         .prefix = XATTR_SECURITY_PREFIX,
         .flags  = GFS2_EATYPE_SECURITY,
         .get    = gfs2_xattr_get,
         .set    = gfs2_xattr_set,
 };
 
-struct xattr_handler *gfs2_xattr_handlers[] = {
+const struct xattr_handler *gfs2_xattr_handlers[] = {
         &gfs2_xattr_user_handler,
         &gfs2_xattr_security_handler,
         &gfs2_xattr_system_handler,