From 8a59f5d2526593c6bc1a0754c3a16ccc9ed41ce3 Mon Sep 17 00:00:00 2001 From: Coly Li Date: Mon, 6 Apr 2009 19:01:12 -0700 Subject: [PATCH] fs/romfs: return f_fsid for statfs(2) Make romfs return f_fsid info for statfs(2). Signed-off-by: Coly Li Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/romfs/super.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/fs/romfs/super.c b/fs/romfs/super.c index 1e548a4975ba..10ca7d984a8b 100644 --- a/fs/romfs/super.c +++ b/fs/romfs/super.c @@ -408,12 +408,17 @@ static void romfs_destroy_inode(struct inode *inode) */ static int romfs_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 = ROMFS_MAGIC; buf->f_namelen = ROMFS_MAXFN; buf->f_bsize = ROMBSIZE; buf->f_bfree = buf->f_bavail = buf->f_ffree; buf->f_blocks = (romfs_maxsize(dentry->d_sb) + ROMBSIZE - 1) >> ROMBSBITS; + buf->f_fsid.val[0] = (u32)id; + buf->f_fsid.val[1] = (u32)(id >> 32); return 0; } -- 2.39.5