vfs_ceph: fix strict_allocate_ftruncate()
authorDavid Disseldorp <ddiss@samba.org>
Tue, 26 Feb 2019 15:07:27 +0000 (16:07 +0100)
committerDavid Disseldorp <ddiss@samba.org>
Wed, 27 Feb 2019 14:53:18 +0000 (14:53 +0000)
The vfs_ceph "strict allocate = yes" ftruncate wrapper may attempt
*local* filesystem ftruncate(). Fix this.

Bug: https://bugzilla.samba.org/show_bug.cgi?id=13807

Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
source3/modules/vfs_ceph.c

index 5678325..b582902 100644 (file)
@@ -1058,8 +1058,10 @@ static int strict_allocate_ftruncate(struct vfs_handle_struct *handle, files_str
                return 0;
 
        /* Shrink - just ftruncate. */
-       if (pst->st_ex_size > len)
-               return ftruncate(fsp->fh->fd, len);
+       if (pst->st_ex_size > len) {
+               ret = ceph_ftruncate(handle->data, fsp->fh->fd, len);
+               WRAP_RETURN(ret);
+       }
 
        space_to_write = len - pst->st_ex_size;