mtd/include/linux jffs2_fs_sb.h,1.46,1.47

[Artem Bityuckiy]

Update of /home/cvs/mtd/include/linux
In directory phoenix.infradead.org:/tmp/cvs-serv4648/include/linux

Modified Files:
	jffs2_fs_sb.h 
Log Message:
Bugfix: fix the race bug when a writed and reader concurrently access
the wbuf. Introduce new rw semaphore to fix this.


Index: jffs2_fs_sb.h
===================================================================
RCS file: /home/cvs/mtd/include/linux/jffs2_fs_sb.h,v
retrieving revision 1.46
retrieving revision 1.47
diff -u -r1.46 -r1.47
--- jffs2_fs_sb.h	3 Nov 2004 12:57:39 -0000	1.46
+++ jffs2_fs_sb.h	19 Nov 2004 13:41:17 -0000	1.47
@@ -35,9 +35,8 @@
 
 	struct semaphore alloc_sem;	/* Used to protect all the following 
 					   fields, and also to protect against
-					   out-of-order writing of nodes.
-					   And GC.
-					*/
+					   out-of-order writing of nodes. And GC. */
+	struct rw_semaphore wbuf_sem;	/* Protects the write buffer */
 	uint32_t cleanmarker_size;	/* Size of an _inline_ CLEANMARKER
 					 (i.e. zero for OOB CLEANMARKER */