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[JFFS2] Track parent inode for directories (for NFS export)

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To support NFS export, we need to know the parent inode of directories.
Rather than growing the jffs2_inode_cache structure, share space with
the nlink field -- which was always set to 1 for directories anyway.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
David Woodhouse
2008-05-01 18:47:17 +01:00
parent 1b690b4878
commit 27c72b040c
12 changed files with 70 additions and 42 deletions
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6
fs/jffs2/gc.c
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@@ -161,8 +161,8 @@ int jffs2_garbage_collect_pass(struct jffs2_sb_info *c)
continue;
}
if (!ic->nlink) {
D1(printk(KERN_DEBUG "Skipping check of ino #%d with nlink zero\n",
if (!ic->pino_nlink) {
D1(printk(KERN_DEBUG "Skipping check of ino #%d with nlink/pino zero\n",
ic->ino));
spin_unlock(&c->inocache_lock);
jffs2_xattr_delete_inode(c, ic);
@@ -398,7 +398,7 @@ int jffs2_garbage_collect_pass(struct jffs2_sb_info *c)
it's vaguely possible. */
inum = ic->ino;
nlink = ic->nlink;
nlink = ic->pino_nlink;
spin_unlock(&c->inocache_lock);
f = jffs2_gc_fetch_inode(c, inum, !nlink);