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path: root/fs/jffs2/nodemgmt.c
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Diffstat (limited to 'fs/jffs2/nodemgmt.c')
-rw-r--r--fs/jffs2/nodemgmt.c67
1 files changed, 30 insertions, 37 deletions
diff --git a/fs/jffs2/nodemgmt.c b/fs/jffs2/nodemgmt.c
index 49127a1f045..9a0f312cfcd 100644
--- a/fs/jffs2/nodemgmt.c
+++ b/fs/jffs2/nodemgmt.c
@@ -374,7 +374,6 @@ static int jffs2_do_reserve_space(struct jffs2_sb_info *c, uint32_t minsize, uin
* @c: superblock info
* @new: new node reference to add
* @len: length of this physical node
- * @dirty: dirty flag for new node
*
* Should only be used to report nodes for which space has been allocated
* by jffs2_reserve_space.
@@ -382,13 +381,14 @@ static int jffs2_do_reserve_space(struct jffs2_sb_info *c, uint32_t minsize, uin
* Must be called with the alloc_sem held.
*/
-int jffs2_add_physical_node_ref(struct jffs2_sb_info *c, struct jffs2_raw_node_ref *new)
+int jffs2_add_physical_node_ref(struct jffs2_sb_info *c, struct jffs2_raw_node_ref *new, uint32_t len)
{
struct jffs2_eraseblock *jeb;
- uint32_t len;
jeb = &c->blocks[new->flash_offset / c->sector_size];
- len = ref_totlen(c, jeb, new);
+#ifdef TEST_TOTLEN
+ new->__totlen = len;
+#endif
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
@@ -403,21 +403,7 @@ int jffs2_add_physical_node_ref(struct jffs2_sb_info *c, struct jffs2_raw_node_r
#endif
spin_lock(&c->erase_completion_lock);
- if (!jeb->first_node)
- jeb->first_node = new;
- if (jeb->last_node)
- jeb->last_node->next_phys = new;
- jeb->last_node = new;
-
- jeb->free_size -= len;
- c->free_size -= len;
- if (ref_obsolete(new)) {
- jeb->dirty_size += len;
- c->dirty_size += len;
- } else {
- jeb->used_size += len;
- c->used_size += len;
- }
+ jffs2_link_node_ref(c, jeb, new, len);
if (!jeb->free_size && !jeb->dirty_size && !ISDIRTY(jeb->wasted_size)) {
/* If it lives on the dirty_list, jffs2_reserve_space will put it there */
@@ -470,6 +456,7 @@ void jffs2_mark_node_obsolete(struct jffs2_sb_info *c, struct jffs2_raw_node_ref
struct jffs2_unknown_node n;
int ret, addedsize;
size_t retlen;
+ uint32_t freed_len;
if(!ref) {
printk(KERN_NOTICE "EEEEEK. jffs2_mark_node_obsolete called with NULL node\n");
@@ -499,32 +486,34 @@ void jffs2_mark_node_obsolete(struct jffs2_sb_info *c, struct jffs2_raw_node_ref
spin_lock(&c->erase_completion_lock);
+ freed_len = ref_totlen(c, jeb, ref);
+
if (ref_flags(ref) == REF_UNCHECKED) {
- D1(if (unlikely(jeb->unchecked_size < ref_totlen(c, jeb, ref))) {
+ D1(if (unlikely(jeb->unchecked_size < freed_len)) {
printk(KERN_NOTICE "raw unchecked node of size 0x%08x freed from erase block %d at 0x%08x, but unchecked_size was already 0x%08x\n",
- ref_totlen(c, jeb, ref), blocknr, ref->flash_offset, jeb->used_size);
+ freed_len, blocknr, ref->flash_offset, jeb->used_size);
BUG();
})
- D1(printk(KERN_DEBUG "Obsoleting previously unchecked node at 0x%08x of len %x: ", ref_offset(ref), ref_totlen(c, jeb, ref)));
- jeb->unchecked_size -= ref_totlen(c, jeb, ref);
- c->unchecked_size -= ref_totlen(c, jeb, ref);
+ D1(printk(KERN_DEBUG "Obsoleting previously unchecked node at 0x%08x of len %x: ", ref_offset(ref), freed_len));
+ jeb->unchecked_size -= freed_len;
+ c->unchecked_size -= freed_len;
} else {
- D1(if (unlikely(jeb->used_size < ref_totlen(c, jeb, ref))) {
+ D1(if (unlikely(jeb->used_size < freed_len)) {
printk(KERN_NOTICE "raw node of size 0x%08x freed from erase block %d at 0x%08x, but used_size was already 0x%08x\n",
- ref_totlen(c, jeb, ref), blocknr, ref->flash_offset, jeb->used_size);
+ freed_len, blocknr, ref->flash_offset, jeb->used_size);
BUG();
})
- D1(printk(KERN_DEBUG "Obsoleting node at 0x%08x of len %#x: ", ref_offset(ref), ref_totlen(c, jeb, ref)));
- jeb->used_size -= ref_totlen(c, jeb, ref);
- c->used_size -= ref_totlen(c, jeb, ref);
+ D1(printk(KERN_DEBUG "Obsoleting node at 0x%08x of len %#x: ", ref_offset(ref), freed_len));
+ jeb->used_size -= freed_len;
+ c->used_size -= freed_len;
}
// Take care, that wasted size is taken into concern
- if ((jeb->dirty_size || ISDIRTY(jeb->wasted_size + ref_totlen(c, jeb, ref))) && jeb != c->nextblock) {
+ if ((jeb->dirty_size || ISDIRTY(jeb->wasted_size + freed_len)) && jeb != c->nextblock) {
D1(printk(KERN_DEBUG "Dirtying\n"));
- addedsize = ref_totlen(c, jeb, ref);
- jeb->dirty_size += ref_totlen(c, jeb, ref);
- c->dirty_size += ref_totlen(c, jeb, ref);
+ addedsize = freed_len;
+ jeb->dirty_size += freed_len;
+ c->dirty_size += freed_len;
/* Convert wasted space to dirty, if not a bad block */
if (jeb->wasted_size) {
@@ -545,8 +534,8 @@ void jffs2_mark_node_obsolete(struct jffs2_sb_info *c, struct jffs2_raw_node_ref
} else {
D1(printk(KERN_DEBUG "Wasting\n"));
addedsize = 0;
- jeb->wasted_size += ref_totlen(c, jeb, ref);
- c->wasted_size += ref_totlen(c, jeb, ref);
+ jeb->wasted_size += freed_len;
+ c->wasted_size += freed_len;
}
ref->flash_offset = ref_offset(ref) | REF_OBSOLETE;
@@ -634,8 +623,8 @@ void jffs2_mark_node_obsolete(struct jffs2_sb_info *c, struct jffs2_raw_node_ref
printk(KERN_WARNING "Short read from obsoleted node at 0x%08x: %zd\n", ref_offset(ref), retlen);
goto out_erase_sem;
}
- if (PAD(je32_to_cpu(n.totlen)) != PAD(ref_totlen(c, jeb, ref))) {
- printk(KERN_WARNING "Node totlen on flash (0x%08x) != totlen from node ref (0x%08x)\n", je32_to_cpu(n.totlen), ref_totlen(c, jeb, ref));
+ if (PAD(je32_to_cpu(n.totlen)) != PAD(freed_len)) {
+ printk(KERN_WARNING "Node totlen on flash (0x%08x) != totlen from node ref (0x%08x)\n", je32_to_cpu(n.totlen), freed_len);
goto out_erase_sem;
}
if (!(je16_to_cpu(n.nodetype) & JFFS2_NODE_ACCURATE)) {
@@ -692,7 +681,9 @@ void jffs2_mark_node_obsolete(struct jffs2_sb_info *c, struct jffs2_raw_node_ref
spin_lock(&c->erase_completion_lock);
+#ifdef TEST_TOTLEN
ref->__totlen += n->__totlen;
+#endif
ref->next_phys = n->next_phys;
if (jeb->last_node == n) jeb->last_node = ref;
if (jeb->gc_node == n) {
@@ -715,7 +706,9 @@ void jffs2_mark_node_obsolete(struct jffs2_sb_info *c, struct jffs2_raw_node_ref
p = p->next_phys;
if (ref_obsolete(p) && !ref->next_in_ino) {
+#ifdef TEST_TOTLEN
p->__totlen += ref->__totlen;
+#endif
if (jeb->last_node == ref) {
jeb->last_node = p;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 04:07:11 +0000