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| author | Estelle Hammache <estelle.hammache@st.com> | 2005-01-24 21:30:25 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@mtd.linutronix.de> | 2005-05-23 12:14:34 +0200 |
| commit | 3118db3dfe7c16284d1d578e628fd87639b00731 (patch) | |
| tree | a0bd21784ca0dfd95f4713c4d649a37b5f531371 /fs/jffs2 | |
| parent | 7f716cf3f9cc9dd420b9c75071559017812df6d2 (diff) | |
| download | lwn-3118db3dfe7c16284d1d578e628fd87639b00731.tar.gz lwn-3118db3dfe7c16284d1d578e628fd87639b00731.zip | |
[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>
Diffstat (limited to 'fs/jffs2')
| -rw-r--r-- | fs/jffs2/nodemgmt.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/jffs2/nodemgmt.c b/fs/jffs2/nodemgmt.c index 2651135bdf42..b2a53879d3b9 100644 --- a/fs/jffs2/nodemgmt.c +++ b/fs/jffs2/nodemgmt.c @@ -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)); |