cramfs: take headers to fs/cramfs

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

3 files changed, 25 insertions, 5 deletions

diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
index 508a7524fe38..06610cf94d57 100644
--- a/fs/cramfs/inode.c
+++ b/fs/cramfs/inode.c
@@ -17,14 +17,30 @@
 #include <linux/init.h>
 #include <linux/string.h>
 #include <linux/blkdev.h>
-#include <linux/cramfs_fs.h>
 #include <linux/slab.h>
-#include <linux/cramfs_fs_sb.h>
 #include <linux/vfs.h>
 #include <linux/mutex.h>
-
+#include <uapi/linux/cramfs_fs.h>
 #include <asm/uaccess.h>
 
+#include "internal.h"
+
+/*
+ * cramfs super-block data in memory
+ */
+struct cramfs_sb_info {
+        unsigned long magic;
+        unsigned long size;
+        unsigned long blocks;
+        unsigned long files;
+        unsigned long flags;
+};
+
+static inline struct cramfs_sb_info *CRAMFS_SB(struct super_block *sb)
+{
+        return sb->s_fs_info;
+}
+
 static const struct super_operations cramfs_ops;
 static const struct inode_operations cramfs_dir_inode_operations;
 static const struct file_operations cramfs_directory_operations;
@@ -221,7 +237,7 @@ static void *cramfs_read(struct super_block *sb, unsigned int offset, unsigned i
 
 static void cramfs_kill_sb(struct super_block *sb)
 {
-        struct cramfs_sb_info *sbi = sb->s_fs_info;
+        struct cramfs_sb_info *sbi = CRAMFS_SB(sb);
         kill_block_super(sb);
         kfree(sbi);
 }
diff --git a/fs/cramfs/internal.h b/fs/cramfs/internal.h
new file mode 100644
index 000000000000..349d71272157
--- /dev/null
+++ b/fs/cramfs/internal.h
@@ -0,0 +1,4 @@
+/* Uncompression interfaces to the underlying zlib */
+int cramfs_uncompress_block(void *dst, int dstlen, void *src, int srclen);
+int cramfs_uncompress_init(void);
+void cramfs_uncompress_exit(void);
diff --git a/fs/cramfs/uncompress.c b/fs/cramfs/uncompress.c
index 023329800d2e..1760c1b84d97 100644
--- a/fs/cramfs/uncompress.c
+++ b/fs/cramfs/uncompress.c
@@ -19,7 +19,7 @@
 #include <linux/errno.h>
 #include <linux/vmalloc.h>
 #include <linux/zlib.h>
-#include <linux/cramfs_fs.h>
+#include "internal.h"
 
 static z_stream stream;
 static int initialized;