linux-kernel - [PATCH 13/20] fs/omfs: return f

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Date:	Tue, 20 Jan 2009 01:35:10 +0800
From:	Coly Li <coly.li@...e.de>
To:	linux-kernel@...r.kernel.org
Cc:	Bob Copeland <me@...copeland.com>
Subject: [PATCH 13/20] fs/omfs: return f_fsid for statfs(2)

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

Signed-off-by: Coly Li <coly.li@...e.de>
Cc: Bob Copeland <me@...copeland.com>
---
 fs/omfs/inode.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/fs/omfs/inode.c b/fs/omfs/inode.c
index 633e9dc..d79e808 100644
--- a/fs/omfs/inode.c
+++ b/fs/omfs/inode.c
@@ -262,14 +262,19 @@ static int omfs_statfs(struct dentry *dentry, struct kstatfs *buf)
 {
 	struct super_block *s = dentry->d_sb;
 	struct omfs_sb_info *sbi = OMFS_SB(s);
+	u64 id = huge_encode_dev(s->s_bdev->bd_dev);
+
 	buf->f_type = OMFS_MAGIC;
 	buf->f_bsize = sbi->s_blocksize;
 	buf->f_blocks = sbi->s_num_blocks;
 	buf->f_files = sbi->s_num_blocks;
 	buf->f_namelen = OMFS_NAMELEN;
+	buf->f_fsid.val[0] = (u32)id;
+	buf->f_fsid.val[1] = (u32)(id >> 32);

 	buf->f_bfree = buf->f_bavail = buf->f_ffree =
 		omfs_count_free(s);
+
 	return 0;
 }

-- 
Coly Li
SuSE Labs



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