linux-kernel - [PATCH 7/20] fs/hfs: return f

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Message-ID: <4974B94D.60701@suse.de>
Date:	Tue, 20 Jan 2009 01:33:01 +0800
From:	Coly Li <coly.li@...e.de>
To:	linux-kernel@...r.kernel.org
Cc:	Roman Zippel <zippel@...ux-m68k.org>
Subject: [PATCH 7/20] fs/hfs: return f_fsid for statfs(2)

This patch makes hfs return f_fsid info for statfs(2).

Signed-off-by: Coly Li <coly.li@...e.de>
Cc: Roman Zippel <zippel@...ux-m68k.org>
---
 fs/hfs/super.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/fs/hfs/super.c b/fs/hfs/super.c
index c8b5acf..a36bb74 100644
--- a/fs/hfs/super.c
+++ b/fs/hfs/super.c
@@ -82,6 +82,7 @@ static void hfs_put_super(struct super_block *sb)
 static int hfs_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 = HFS_SUPER_MAGIC;
 	buf->f_bsize = sb->s_blocksize;
@@ -90,6 +91,8 @@ static int hfs_statfs(struct dentry *dentry, struct kstatfs *buf)
 	buf->f_bavail = buf->f_bfree;
 	buf->f_files = HFS_SB(sb)->fs_ablocks;
 	buf->f_ffree = HFS_SB(sb)->free_ablocks;
+	buf->f_fsid.val[0] = (u32)id;
+	buf->f_fsid.val[1] = (u32)(id >> 32);
 	buf->f_namelen = HFS_NAMELEN;

 	return 0;
-- 
Coly Li
SuSE Labs



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