Re: short freezing while file re-creation

[Oleg Drokin <green@namesys.com>]

Hello!

On Fri, Jun 06, 2003 at 05:24:54PM +0200, Stephan von Krawczynski wrote:

> while experimenting around my other problem I noticed my box freezes for some
> seconds while tar is re-creating an archive of around 70 GB size on a reiserfs
> with 3ware-connected device.
> This is experienced with 2.4.21-rc7. Reproducable via:
> create BIG tar archive file (my size 70 GB) on a reiserfs
> re-create same archive and watch box gone dead while the old archive is zapped.
> (Gone dead means: mouse froze, keyboard froze, X froze)

Hm, I will try .

Wild guess: does this patch helps? (untessted, not even compiled, but should be safe )

Bye,
    Oleg
===== stree.c 1.21 vs edited =====
--- 1.21/fs/reiserfs/stree.c	Tue Mar  4 19:48:52 2003
+++ edited/fs/reiserfs/stree.c	Fri Jun  6 20:01:29 2003
@@ -1773,6 +1773,8 @@
 	  journal_begin(th, p_s_inode->i_sb, orig_len_alloc) ;
 	  reiserfs_update_inode_transaction(p_s_inode) ;
 	}
+	if (current->need_resched)
+	  schedule() ;
     } while ( n_file_size > ROUND_UP (n_new_file_size) &&
 	      search_for_position_by_key(p_s_inode->i_sb, &s_item_key, &s_search_path) == POSITION_FOUND )  ;