Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / fs / coda / coda_fs_i.h

diff --git a/kernel/fs/coda/coda_fs_i.h b/kernel/fs/coda/coda_fs_i.h
new file mode 100644 (file)
index 0000000..c640752
--- /dev/null
+++ b/kernel/fs/coda/coda_fs_i.h
@@ -0,0 +1,58 @@
+/*
+ *  coda_fs_i.h
+ *
+ *  Copyright (C) 1998 Carnegie Mellon University
+ *
+ */
+
+#ifndef _LINUX_CODA_FS_I
+#define _LINUX_CODA_FS_I
+
+#include <linux/types.h>
+#include <linux/list.h>
+#include <linux/spinlock.h>
+#include <linux/coda.h>
+
+/*
+ * coda fs inode data
+ * c_lock protects accesses to c_flags, c_mapcount, c_cached_epoch, c_uid and
+ * c_cached_perm.
+ * vfs_inode is set only when the inode is created and never changes.
+ * c_fid is set when the inode is created and should be considered immutable.
+ */
+struct coda_inode_info {
+       struct CodaFid     c_fid;       /* Coda identifier */
+       u_short            c_flags;     /* flags (see below) */
+       unsigned int       c_mapcount;  /* nr of times this inode is mapped */
+       unsigned int       c_cached_epoch; /* epoch for cached permissions */
+       kuid_t             c_uid;       /* fsuid for cached permissions */
+       unsigned int       c_cached_perm; /* cached access permissions */
+       spinlock_t         c_lock;
+       struct inode       vfs_inode;
+};
+
+/*
+ * coda fs file private data
+ */
+#define CODA_MAGIC 0xC0DAC0DA
+struct coda_file_info {
+       int                cfi_magic;     /* magic number */
+       struct file       *cfi_container; /* container file for this cnode */
+       unsigned int       cfi_mapcount;  /* nr of times this file is mapped */
+};
+
+#define CODA_FTOC(file) ((struct coda_file_info *)((file)->private_data))
+
+/* flags */
+#define C_VATTR       0x1   /* Validity of vattr in inode */
+#define C_FLUSH       0x2   /* used after a flush */
+#define C_DYING       0x4   /* from venus (which died) */
+#define C_PURGE       0x8
+
+struct inode *coda_cnode_make(struct CodaFid *, struct super_block *);
+struct inode *coda_iget(struct super_block *sb, struct CodaFid *fid, struct coda_vattr *attr);
+struct inode *coda_cnode_makectl(struct super_block *sb);
+struct inode *coda_fid_to_inode(struct CodaFid *fid, struct super_block *sb);
+void coda_replace_fid(struct inode *, struct CodaFid *, struct CodaFid *);
+
+#endif