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author | David Woodhouse <dwmw2@infradead.org> | 2006-05-21 13:00:54 +0100 |
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committer | David Woodhouse <dwmw2@infradead.org> | 2006-05-21 13:00:54 +0100 |
commit | 0bcc099d6d1a7b9fa2adf7c19812e4e816915e10 (patch) | |
tree | 36f4c8c9c50369577b0b65823c04fcfb85502d98 /fs/jffs2 | |
parent | b64335f2b740d6f5dbf5d3b04af30d407bf599f5 (diff) | |
download | linux-3.10-0bcc099d6d1a7b9fa2adf7c19812e4e816915e10.tar.gz linux-3.10-0bcc099d6d1a7b9fa2adf7c19812e4e816915e10.tar.bz2 linux-3.10-0bcc099d6d1a7b9fa2adf7c19812e4e816915e10.zip |
[JFFS2] File node reference for wasted space when flushing wbuf
Next step in ongoing campaign to file a struct jffs2_raw_node_ref for every
piece of dirty space in the system, so that __totlen can be killed off....
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'fs/jffs2')
-rw-r--r-- | fs/jffs2/wbuf.c | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c index 676b83410f8..404b547c6cf 100644 --- a/fs/jffs2/wbuf.c +++ b/fs/jffs2/wbuf.c @@ -481,11 +481,11 @@ static int __jffs2_flush_wbuf(struct jffs2_sb_info *c, int pad) return ret; } - spin_lock(&c->erase_completion_lock); - /* Adjust free size of the block if we padded. */ if (pad) { struct jffs2_eraseblock *jeb; + struct jffs2_raw_node_ref *ref; + uint32_t waste = c->wbuf_pagesize - c->wbuf_len; jeb = &c->blocks[c->wbuf_ofs / c->sector_size]; @@ -495,18 +495,29 @@ static int __jffs2_flush_wbuf(struct jffs2_sb_info *c, int pad) /* wbuf_pagesize - wbuf_len is the amount of space that's to be padded. If there is less free space in the block than that, something screwed up */ - if (jeb->free_size < (c->wbuf_pagesize - c->wbuf_len)) { + if (jeb->free_size < waste) { printk(KERN_CRIT "jffs2_flush_wbuf(): Accounting error. wbuf at 0x%08x has 0x%03x bytes, 0x%03x left.\n", - c->wbuf_ofs, c->wbuf_len, c->wbuf_pagesize-c->wbuf_len); + c->wbuf_ofs, c->wbuf_len, waste); printk(KERN_CRIT "jffs2_flush_wbuf(): But free_size for block at 0x%08x is only 0x%08x\n", jeb->offset, jeb->free_size); BUG(); } - jeb->free_size -= (c->wbuf_pagesize - c->wbuf_len); - c->free_size -= (c->wbuf_pagesize - c->wbuf_len); - jeb->wasted_size += (c->wbuf_pagesize - c->wbuf_len); - c->wasted_size += (c->wbuf_pagesize - c->wbuf_len); - } + ref = jffs2_alloc_raw_node_ref(); + if (!ref) + return -ENOMEM; + ref->flash_offset = c->wbuf_ofs + c->wbuf_len; + ref->flash_offset |= REF_OBSOLETE; + + spin_lock(&c->erase_completion_lock); + + jffs2_link_node_ref(c, jeb, ref, waste); + /* FIXME: that made it count as dirty. Convert to wasted */ + jeb->dirty_size -= waste; + c->dirty_size -= waste; + jeb->wasted_size += waste; + c->wasted_size += waste; + } else + spin_lock(&c->erase_completion_lock); /* Stick any now-obsoleted blocks on the erase_pending_list */ jffs2_refile_wbuf_blocks(c); |