int jffs2_sum_write_sumnode(struct jffs2_sb_info *c)
{
int datasize, infosize, padsize;
struct jffs2_eraseblock *jeb;
int ret = 0;
dbg_summary("called\n");
spin_unlock(&c->erase_completion_lock);
jeb = c->nextblock;
jffs2_prealloc_raw_node_refs(c, jeb, 1);
if (!c->summary->sum_num || !c->summary->sum_list_head) {
JFFS2_WARNING("Empty summary info!!!\n");
BUG();
}
datasize = c->summary->sum_size + sizeof(struct jffs2_sum_marker);
infosize = sizeof(struct jffs2_raw_summary) + datasize;
padsize = jeb->free_size - infosize;
infosize += padsize;
datasize += padsize;
ret = jffs2_sum_write_data(c, jeb, infosize, datasize, padsize);
spin_lock(&c->erase_completion_lock);
return ret;
}
int jffs2_sum_write_sumnode(struct jffs2_sb_info *c)
{
struct jffs2_raw_node_ref *summary_ref;
int datasize, infosize, padsize, ret;
struct jffs2_eraseblock *jeb;
dbg_summary("called\n");
jeb = c->nextblock;
if (!c->summary->sum_num || !c->summary->sum_list_head) {
JFFS2_WARNING("Empty summary info!!!\n");
BUG();
}
datasize = c->summary->sum_size + sizeof(struct jffs2_sum_marker);
infosize = sizeof(struct jffs2_raw_summary) + datasize;
padsize = jeb->free_size - infosize;
infosize += padsize;
datasize += padsize;
/* Is there enough space for summary? */
if (padsize < 0) {
/* don't try to write out summary for this jeb */
jffs2_sum_disable_collecting(c->summary);
JFFS2_WARNING("Not enough space for summary, padsize = %d\n", padsize);
return 0;
}
ret = jffs2_sum_write_data(c, jeb, infosize, datasize, padsize);
if (ret)
return 0; /* can't write out summary, block is marked as NOSUM_SIZE */
/* for ACCT_PARANOIA_CHECK */
spin_unlock(&c->erase_completion_lock);
summary_ref = jffs2_alloc_raw_node_ref();
spin_lock(&c->erase_completion_lock);
if (!summary_ref) {
JFFS2_NOTICE("Failed to allocate node ref for summary\n");
return -ENOMEM;
}
summary_ref->next_in_ino = NULL;
summary_ref->next_phys = NULL;
summary_ref->flash_offset = (jeb->offset + c->sector_size - jeb->free_size) | REF_NORMAL;
summary_ref->__totlen = infosize;
if (!jeb->first_node)
jeb->first_node = summary_ref;
if (jeb->last_node)
jeb->last_node->next_phys = summary_ref;
jeb->last_node = summary_ref;
USED_SPACE(infosize);
return 0;
}
int jffs2_sum_write_sumnode(struct jffs2_sb_info *c)
{
int datasize, infosize, padsize;
struct jffs2_eraseblock *jeb;
int ret;
dbg_summary("called\n");
spin_unlock(&c->erase_completion_lock);
jeb = c->nextblock;
jffs2_prealloc_raw_node_refs(c, jeb, 1);
if (!c->summary->sum_num || !c->summary->sum_list_head) {
JFFS2_WARNING("Empty summary info!!!\n");
BUG();
}
datasize = c->summary->sum_size + sizeof(struct jffs2_sum_marker);
infosize = sizeof(struct jffs2_raw_summary) + datasize;
padsize = jeb->free_size - infosize;
infosize += padsize;
datasize += padsize;
/* Is there enough space for summary? */
if (padsize < 0) {
/* don't try to write out summary for this jeb */
jffs2_sum_disable_collecting(c->summary);
JFFS2_WARNING("Not enough space for summary, padsize = %d\n", padsize);
spin_lock(&c->erase_completion_lock);
return 0;
}
ret = jffs2_sum_write_data(c, jeb, infosize, datasize, padsize);
spin_lock(&c->erase_completion_lock);
return ret;
}
