linux-kernel - [PATCH 73/73] fallthru: jffs2 support for lookup of d_type/d

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Date:	Tue, 21 Feb 2012 18:06:47 +0000
From:	David Howells <dhowells@...hat.com>
To:	linux-fsdevel@...r.kernel.org, viro@...IV.linux.org.uk,
	valerie.aurora@...il.com
Cc:	linux-kernel@...r.kernel.org, David Howells <dhowells@...hat.com>
Subject: [PATCH 73/73] fallthru: jffs2 support for lookup of d_type/d_ino in
 fallthrus [ver #2]

From: Valerie Aurora <vaurora@...hat.com>

Now that we have full union lookup support, lookup the true d_type and
d_ino of a fallthru.

Original-author: Valerie Aurora <vaurora@...hat.com>
Signed-off-by: David Howells <dhowells@...hat.com>
---

 fs/jffs2/dir.c |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c
index e294f1d..ce4c393 100644
--- a/fs/jffs2/dir.c
+++ b/fs/jffs2/dir.c
@@ -168,9 +168,14 @@ static int jffs2_readdir(struct file *filp, void *dirent, filldir_t filldir)
 			continue;
 		}
 		if (fd->type == JFFS2_DT_FALLTHRU) {
-			/* XXX placeholder until generic_readdir_fallthru() arrives */
-			ino = 1;
-			d_type = DT_UNKNOWN;
+			int err;
+			err = generic_readdir_fallthru(filp->f_path.dentry, fd->name, strlen(fd->name),
+						       &ino, &d_type);
+			if (err) {
+				D2(printk(KERN_DEBUG "Skipping fallthru dirent \"%s\"\n", fd->name));
+				offset++;
+				continue;
+			}
 		} else if (!fd->ino && (fd->type != DT_WHT)) {
 			D2(printk(KERN_DEBUG "Skipping deletion dirent \"%s\"\n", fd->name));
 			offset++;

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