mtd/fs/jffs3 JFFS3.Notes,1.1,1.2

Artem Bityuckiy dedekind at infradead.org
Wed Jan 5 10:53:10 EST 2005


Update of /home/cvs/mtd/fs/jffs3
In directory phoenix.infradead.org:/tmp/cvs-serv449

Modified Files:
	JFFS3.Notes 
Log Message:
Add note about wasted space kindly explaind by tglx1.


Index: JFFS3.Notes
===================================================================
RCS file: /home/cvs/mtd/fs/jffs3/JFFS3.Notes,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- JFFS3.Notes	27 Dec 2004 10:15:53 -0000	1.1
+++ JFFS3.Notes	5 Jan 2005 15:53:07 -0000	1.2
@@ -30,6 +30,8 @@
 19. Pristine node - TODO
 20. Normal node - TODO
 21. Deletion direntry - TODO
+22. Dirty space - TODO
+23. Wasted space - TODO
 
 Notes
 ~~~~~
@@ -62,3 +64,10 @@
 nodes producing pristine ones).
 P.S. We speak about inode nodes here.
 
+6. JFFS3 keeps track of wasted space. Wasted space is the space which
+can not be reclaimed by the GC. For example, small paddings. It is
+needed to prevent the GC loops when it infinitely tries to GC some
+block but fails because there is unreclaimable space there. When the
+the wasted size becomes > then some threshold, it is converted to dirty
+space.
+





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