From: Coly Li <coly.li@suse.de>
Date: Thu, 2 Apr 2009 23:59:38 +0000 (-0700)
Subject: fs/isofs: return f_fsid for statfs(2)
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=2430c4daf9e6cc6b144906a41f7f28c3f6ae5a2c;p=linux-2.6-omap-h63xx.git

fs/isofs: return f_fsid for statfs(2)

Make isofs return f_fsid info for statfs(2).

Signed-off-by: Coly Li <coly.li@suse.de>
Cc: Jan Kara <jack@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index 13d2eddd069..b4cbe9603c7 100644
--- a/fs/isofs/inode.c
+++ b/fs/isofs/inode.c
@@ -923,6 +923,7 @@ out_freesbi:
 static int isofs_statfs (struct dentry *dentry, struct kstatfs *buf)
 {
 	struct super_block *sb = dentry->d_sb;
+	u64 id = huge_encode_dev(sb->s_bdev->bd_dev);
 
 	buf->f_type = ISOFS_SUPER_MAGIC;
 	buf->f_bsize = sb->s_blocksize;
@@ -932,6 +933,8 @@ static int isofs_statfs (struct dentry *dentry, struct kstatfs *buf)
 	buf->f_bavail = 0;
 	buf->f_files = ISOFS_SB(sb)->s_ninodes;
 	buf->f_ffree = 0;
+	buf->f_fsid.val[0] = (u32)id;
+	buf->f_fsid.val[1] = (u32)(id >> 32);
 	buf->f_namelen = NAME_MAX;
 	return 0;
 }