Commit 7c7cbadf authored by Artem Bityutskiy's avatar Artem Bityutskiy
Browse files

UBIFS: amend f_fsid 



David Woodhouse suggested to be consistent with other FSes
and xor the beginning and the end of the UUID.

Signed-off-by: default avatarArtem Bityutskiy <Artem.Bityutskiy@nokia.com>
parent b3385c27

fs/ubifs/super.c

+3 −2
Original line number Diff line number Diff line
@@ -370,6 +370,7 @@ static int ubifs_statfs(struct dentry *dentry, struct kstatfs *buf) 
{

	struct ubifs_info *c = dentry->d_sb->s_fs_info;

	unsigned long long free;

	__le32 *uuid = (__le32 *)c->uuid;



	free = ubifs_get_free_space(c);

	dbg_gen("free space %lld bytes (%lld blocks)",
@@ -386,8 +387,8 @@ static int ubifs_statfs(struct dentry *dentry, struct kstatfs *buf) 
	buf->f_files = 0;

	buf->f_ffree = 0;

	buf->f_namelen = UBIFS_MAX_NLEN;

	memcpy(&buf->f_fsid, c->uuid, sizeof(__kernel_fsid_t));



	buf->f_fsid.val[0] = le32_to_cpu(uuid[0]) ^ le32_to_cpu(uuid[2]);

	buf->f_fsid.val[1] = le32_to_cpu(uuid[1]) ^ le32_to_cpu(uuid[3]);

	return 0;

}