linux-kernel - [PATCH 9/20] fs/hpfs: return f

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Date:	Tue, 20 Jan 2009 01:34:05 +0800
From:	Coly Li <coly.li@...e.de>
To:	linux-kernel@...r.kernel.org
Cc:	Mikulas Patocka <mikulas@...ax.karlin.mff.cuni.cz>
Subject: [PATCH 9/20] fs/hpfs: return f_fsid for statfs(2)

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

Signed-off-by: Coly Li <coly.li@...e.de>
Cc: Mikulas Patocka <mikulas@...ax.karlin.mff.cuni.cz>
---
 fs/hpfs/super.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c
index 0d049b8..c40f6e2 100644
--- a/fs/hpfs/super.c
+++ b/fs/hpfs/super.c
@@ -136,6 +136,7 @@ static int hpfs_statfs(struct dentry *dentry, struct kstatfs *buf)
 {
 	struct super_block *s = dentry->d_sb;
 	struct hpfs_sb_info *sbi = hpfs_sb(s);
+	u64 id = huge_encode_dev(s->s_bdev->bd_dev);
 	lock_kernel();

 	/*if (sbi->sb_n_free == -1) {*/
@@ -149,6 +150,8 @@ static int hpfs_statfs(struct dentry *dentry, struct kstatfs *buf)
 	buf->f_bavail = sbi->sb_n_free;
 	buf->f_files = sbi->sb_dirband_size / 4;
 	buf->f_ffree = sbi->sb_n_free_dnodes;
+	buf->f_fsid.val[0] = (u32)id;
+	buf->f_fsid.val[1] = (u32)(id >> 32);
 	buf->f_namelen = 254;

 	unlock_kernel();

-- 
Coly Li
SuSE Labs



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