linux-kernel - [PATCH 17/20] fs/squashfs: return f

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Date:	Tue, 20 Jan 2009 01:36:08 +0800
From:	Coly Li <coly.li@...e.de>
To:	linux-kernel@...r.kernel.org
Cc:	Phillip Lougher <phillip@...gher.demon.co.uk>
Subject: [PATCH 17/20] fs/squashfs: return f_fsid for statfs(2)

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

Signed-off-by: Coly Li <coly.li@...e.de>
Cc: Phillip Lougher <phillip@...gher.demon.co.uk>
---
 fs/squashfs/super.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/fs/squashfs/super.c b/fs/squashfs/super.c
index 071df5b..0a65d16 100644
--- a/fs/squashfs/super.c
+++ b/fs/squashfs/super.c
@@ -301,6 +301,7 @@ failure:
 static int squashfs_statfs(struct dentry *dentry, struct kstatfs *buf)
 {
 	struct squashfs_sb_info *msblk = dentry->d_sb->s_fs_info;
+	u64 id = huge_encode_dev(dentry->d_sb->s_bdev->bd_dev);

 	TRACE("Entered squashfs_statfs\n");

@@ -311,6 +312,8 @@ static int squashfs_statfs(struct dentry *dentry, struct kstatfs *buf)
 	buf->f_files = msblk->inodes;
 	buf->f_ffree = 0;
 	buf->f_namelen = SQUASHFS_NAME_LEN;
+	buf->f_fsid.val[0] = (u32)id;
+	buf->f_fsid.val[1] = (u32)(id >> 32);

 	return 0;
 }

-- 
Coly Li
SuSE Labs


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