2009-01-19 17:30:44

by Coly Li

[permalink] [raw]
Subject: [PATCH 10/20] fs/isofs: return f_fsid for statfs(2)

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

Signed-off-by: Coly Li <[email protected]>
Cc: Andrew Morton <[email protected]>
---
fs/isofs/inode.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index 6147ec3..8e17431 100644
--- a/fs/isofs/inode.c
+++ b/fs/isofs/inode.c
@@ -923,6 +923,7 @@ out_freesbi:
static int isofs_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 = ISOFS_SUPER_MAGIC;
buf->f_bsize = sb->s_blocksize;
@@ -932,6 +933,8 @@ static int isofs_statfs (struct dentry *dentry, struct kstatfs *buf)
buf->f_bavail = 0;
buf->f_files = ISOFS_SB(sb)->s_ninodes;
buf->f_ffree = 0;
+ buf->f_fsid.val[0] = (u32)id;
+ buf->f_fsid.val[1] = (u32)(id >> 32);
buf->f_namelen = NAME_MAX;
return 0;
}

--
Coly Li
SuSE Labs