linux-kernel - [PATCH 8/20] fs/hfsplus: return f

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Message-ID: <4974B980.1000101@suse.de>
Date:	Tue, 20 Jan 2009 01:33:52 +0800
From:	Coly Li <coly.li@...e.de>
To:	linux-kernel@...r.kernel.org
Cc:	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH 8/20] fs/hfsplus: return f_fsid for statfs(2)

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

Signed-off-by: Coly Li <coly.li@...e.de>
Cc: Andrew Morton <akpm@...ux-foundation.org>
---
 fs/hfsplus/super.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c
index eb74531..f2a6402 100644
--- a/fs/hfsplus/super.c
+++ b/fs/hfsplus/super.c
@@ -223,6 +223,7 @@ static void hfsplus_put_super(struct super_block *sb)
 static int hfsplus_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 = HFSPLUS_SUPER_MAGIC;
 	buf->f_bsize = sb->s_blocksize;
@@ -231,6 +232,8 @@ static int hfsplus_statfs(struct dentry *dentry, struct kstatfs *buf)
 	buf->f_bavail = buf->f_bfree;
 	buf->f_files = 0xFFFFFFFF;
 	buf->f_ffree = 0xFFFFFFFF - HFSPLUS_SB(sb).next_cnid;
+	buf->f_fsid.val[0] = (u32)id;
+	buf->f_fsid.val[1] = (u32)(id >> 32);
 	buf->f_namelen = HFSPLUS_MAX_STRLEN;

 	return 0;

-- 
Coly Li
SuSE Labs



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