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[JFFS2] Fix refile of blocks due to write failure. 

avoid segfault when nextblock was refiled because of a write failure
- avoid filing blocks on the clean list when they have wasted
space

Signed-off-by: Estelle Hammache <estelle.hammache@st.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Estelle Hammache 2005-01-24 21:30:25 +00:00 committed by Thomas Gleixner
parent 7f716cf3f9
commit 3118db3dfe
1 changed files with 6 additions and 3 deletions
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9
fs/jffs2/nodemgmt.c
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@ -7,7 +7,7 @@
*
* For licensing information, see the file 'LICENCE' in this directory.
*
* $Id: nodemgmt.c,v 1.115 2004/11/22 11:07:21 dwmw2 Exp $
* $Id: nodemgmt.c,v 1.116 2005/01/24 21:30:22 hammache Exp $
*
*/
@ -308,7 +308,10 @@ int jffs2_add_physical_node_ref(struct jffs2_sb_info *c, struct jffs2_raw_node_r
D1(printk(KERN_DEBUG "jffs2_add_physical_node_ref(): Node at 0x%x(%d), size 0x%x\n", ref_offset(new), ref_flags(new), len));
#if 1
if (jeb != c->nextblock || (ref_offset(new)) != jeb->offset + (c->sector_size - jeb->free_size)) {
/* we could get some obsolete nodes after nextblock was refiled
in wbuf.c */
if ( (c->nextblock || !ref_obsolete(new))
&&(jeb != c->nextblock || (ref_offset(new)) != jeb->offset + (c->sector_size - jeb->free_size))) {
printk(KERN_WARNING "argh. node added in wrong place\n");
jffs2_free_raw_node_ref(new);
return -EINVAL;
@ -332,7 +335,7 @@ int jffs2_add_physical_node_ref(struct jffs2_sb_info *c, struct jffs2_raw_node_r
c->used_size += len;
}
if (!jeb->free_size && !jeb->dirty_size) {
if (!jeb->free_size && !jeb->dirty_size && !jeb->wasted_size) {
/* If it lives on the dirty_list, jffs2_reserve_space will put it there */
D1(printk(KERN_DEBUG "Adding full erase block at 0x%08x to clean_list (free 0x%08x, dirty 0x%08x, used 0x%08x\n",
jeb->offset, jeb->free_size, jeb->dirty_size, jeb->used_size));