[lc-checkins] CVS: linux/mm filemap.c,1.35,1.36

[Rodrigo S. de C. <rc...@us...>]

Update of /cvsroot/linuxcompressed/linux/mm
In directory usw-pr-cvs1:/tmp/cvs-serv5964/mm

Modified Files:
	filemap.c 
Log Message:
Bug fix:
o Fixed potential deadlock in find_and_dirty()/lookup_comp_pages() which
wouldn't unlock a spin_lock (pagecache_lock).


Index: filemap.c
===================================================================
RCS file: /cvsroot/linuxcompressed/linux/mm/filemap.c,v
retrieving revision 1.35
retrieving revision 1.36
diff -C2 -r1.35 -r1.36
*** filemap.c	28 Jul 2002 15:47:04 -0000	1.35
--- filemap.c	28 Jul 2002 20:48:32 -0000	1.36
***************
*** 944,947 ****
--- 944,948 ----
  	page = __find_page_nolock(mapping, offset, *hash);
  	if (page) {
+ 		spin_unlock(&pagecache_lock);
  		__set_page_dirty(page);
  		return 1;
***************
*** 950,954 ****
  	spin_unlock(&pagecache_lock);
  	lru_cache_add(new_page);
- 	spin_lock(&pagecache_lock);
  	return 0;
  }
--- 951,954 ----