userns: Convert logfs to use kuid/kgid where appropriate

Cc: Joern Engel <joern@logfs.org>
Cc: Prasad Joshi <prasadjoshi.linux@gmail.com>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
diff --git a/fs/logfs/inode.c b/fs/logfs/inode.c
index a422f42..43f61c2 100644
--- a/fs/logfs/inode.c
+++ b/fs/logfs/inode.c
@@ -192,8 +192,8 @@
 	li->li_height	= 0;
 	li->li_used_bytes = 0;
 	li->li_block	= NULL;
-	inode->i_uid	= 0;
-	inode->i_gid	= 0;
+	i_uid_write(inode, 0);
+	i_gid_write(inode, 0);
 	inode->i_size	= 0;
 	inode->i_blocks	= 0;
 	inode->i_ctime	= CURRENT_TIME;
diff --git a/fs/logfs/readwrite.c b/fs/logfs/readwrite.c
index f1cb512c50..a8d492d 100644
--- a/fs/logfs/readwrite.c
+++ b/fs/logfs/readwrite.c
@@ -119,8 +119,8 @@
 	inode->i_mode	= be16_to_cpu(di->di_mode);
 	li->li_height	= di->di_height;
 	li->li_flags	= be32_to_cpu(di->di_flags);
-	inode->i_uid	= be32_to_cpu(di->di_uid);
-	inode->i_gid	= be32_to_cpu(di->di_gid);
+	i_uid_write(inode, be32_to_cpu(di->di_uid));
+	i_gid_write(inode, be32_to_cpu(di->di_gid));
 	inode->i_size	= be64_to_cpu(di->di_size);
 	logfs_set_blocks(inode, be64_to_cpu(di->di_used_bytes));
 	inode->i_atime	= be64_to_timespec(di->di_atime);
@@ -156,8 +156,8 @@
 	di->di_height	= li->li_height;
 	di->di_pad	= 0;
 	di->di_flags	= cpu_to_be32(li->li_flags);
-	di->di_uid	= cpu_to_be32(inode->i_uid);
-	di->di_gid	= cpu_to_be32(inode->i_gid);
+	di->di_uid	= cpu_to_be32(i_uid_read(inode));
+	di->di_gid	= cpu_to_be32(i_gid_read(inode));
 	di->di_size	= cpu_to_be64(i_size_read(inode));
 	di->di_used_bytes = cpu_to_be64(li->li_used_bytes);
 	di->di_atime	= timespec_to_be64(inode->i_atime);
diff --git a/init/Kconfig b/init/Kconfig
index 88f6571..80edba8 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -946,7 +946,6 @@
 	depends on HPFS_FS = n
 	depends on JFFS2_FS = n
 	depends on JFS_FS = n
-	depends on LOGFS = n
 	depends on MINIX_FS = n
 	depends on NCP_FS = n
 	depends on NFSD = n