2009-01-19 17:29:50

by Coly Li

[permalink] [raw]
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 <[email protected]>
Cc: Andrew Morton <[email protected]>
---
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