Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / fs / jffs2 / jffs2_fs_i.h

diff --git a/kernel/fs/jffs2/jffs2_fs_i.h b/kernel/fs/jffs2/jffs2_fs_i.h
new file mode 100644 (file)
index 0000000..2e4a867
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+++ b/kernel/fs/jffs2/jffs2_fs_i.h
@@ -0,0 +1,56 @@
+/*
+ * JFFS2 -- Journalling Flash File System, Version 2.
+ *
+ * Copyright © 2001-2007 Red Hat, Inc.
+ * Copyright © 2004-2010 David Woodhouse <dwmw2@infradead.org>
+ *
+ * Created by David Woodhouse <dwmw2@infradead.org>
+ *
+ * For licensing information, see the file 'LICENCE' in this directory.
+ *
+ */
+
+#ifndef _JFFS2_FS_I
+#define _JFFS2_FS_I
+
+#include <linux/rbtree.h>
+#include <linux/posix_acl.h>
+#include <linux/mutex.h>
+
+struct jffs2_inode_info {
+       /* We need an internal mutex similar to inode->i_mutex.
+          Unfortunately, we can't used the existing one, because
+          either the GC would deadlock, or we'd have to release it
+          before letting GC proceed. Or we'd have to put ugliness
+          into the GC code so it didn't attempt to obtain the i_mutex
+          for the inode(s) which are already locked */
+       struct mutex sem;
+
+       /* The highest (datanode) version number used for this ino */
+       uint32_t highest_version;
+
+       /* List of data fragments which make up the file */
+       struct rb_root fragtree;
+
+       /* There may be one datanode which isn't referenced by any of the
+          above fragments, if it contains a metadata update but no actual
+          data - or if this is a directory inode */
+       /* This also holds the _only_ dnode for symlinks/device nodes,
+          etc. */
+       struct jffs2_full_dnode *metadata;
+
+       /* Directory entries */
+       struct jffs2_full_dirent *dents;
+
+       /* The target path if this is the inode of a symlink */
+       unsigned char *target;
+
+       /* Some stuff we just have to keep in-core at all times, for each inode. */
+       struct jffs2_inode_cache *inocache;
+
+       uint16_t flags;
+       uint8_t usercompr;
+       struct inode vfs_inode;
+};
+
+#endif /* _JFFS2_FS_I */