From: David Woodhouse <dwmw2@infradead.org>
Date: Mon, 25 Feb 2008 15:20:50 +0000 (+0000)
Subject: [JFFS2] Set i_blocks when truncating files
X-Git-Tag: v2.6.26-rc1~1069^2~74
X-Git-Url: http://pilppa.org/gitweb/?a=commitdiff_plain;h=b28ba9fa0154f78f3d36f5ae9a42f7bb01663cca;p=linux-2.6-omap-h63xx.git

[JFFS2] Set i_blocks when truncating files

Addresses OLPC trac #6480

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
---

diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c
index e26ea78c789..3f49562dc50 100644
--- a/fs/jffs2/fs.c
+++ b/fs/jffs2/fs.c
@@ -149,6 +149,7 @@ int jffs2_do_setattr (struct inode *inode, struct iattr *iattr)
 	if (ivalid & ATTR_SIZE && inode->i_size < iattr->ia_size) {
 		jffs2_add_full_dnode_to_inode(c, f, new_metadata);
 		inode->i_size = iattr->ia_size;
+		inode->i_blocks = (inode->i_size + 511) >> 9;
 		f->metadata = NULL;
 	} else {
 		f->metadata = new_metadata;
@@ -167,8 +168,10 @@ int jffs2_do_setattr (struct inode *inode, struct iattr *iattr)
 	   We are protected from a simultaneous write() extending i_size
 	   back past iattr->ia_size, because do_truncate() holds the
 	   generic inode semaphore. */
-	if (ivalid & ATTR_SIZE && inode->i_size > iattr->ia_size)
-		vmtruncate(inode, iattr->ia_size);
+	if (ivalid & ATTR_SIZE && inode->i_size > iattr->ia_size) {
+		vmtruncate(inode, iattr->ia_size);	
+		inode->i_blocks = (inode->i_size + 511) >> 9;
+	}	
 
 	return 0;
 }