fs/qnx4: return f_fsid for statfs(2)

Make qnx4 file system return f_fsid info for statfs(2).

Signed-off-by: Coly Li <coly.li@suse.de>
Acked-by: Anders Larsen <al@alarsen.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/fs/qnx4/inode.c b/fs/qnx4/inode.c
index 2aad1044b84c..fe1f0f31d11c 100644
--- a/fs/qnx4/inode.c
+++ b/fs/qnx4/inode.c
@@ -282,6 +282,7 @@ unsigned long qnx4_block_map( struct inode *inode, long iblock )
 static int qnx4_statfs(struct dentry *dentry, struct kstatfs *buf)
 {
         struct super_block *sb = dentry->d_sb;
+        u64 id = huge_encode_dev(sb->s_bdev->bd_dev);
 
         lock_kernel();
 
@@ -291,6 +292,8 @@ static int qnx4_statfs(struct dentry *dentry, struct kstatfs *buf)
         buf->f_bfree   = qnx4_count_free_blocks(sb);
         buf->f_bavail  = buf->f_bfree;
         buf->f_namelen = QNX4_NAME_MAX;
+        buf->f_fsid.val[0] = (u32)id;
+        buf->f_fsid.val[1] = (u32)(id >> 32);
 
         unlock_kernel();