Add missing headers

Rework vnodes to be based on the slab cache, just like on Solaris.


git-svn-id: https://outreach.scidac.gov/svn/spl/trunk@45 7e1ea52c-4ff2-0310-8f11-9dd32ca42a1c

include/fs/fs_subr.h

@@ -0,0 +1,4 @@
+#ifndef _SPL_FS_FS_SUBR_H
+#define _SPL_FS_FS_SUBR_H
+
+#endif /* SPL_FS_FS_SUBR_H */

include/sys/file.h

@@ -0,0 +1,4 @@
+#ifndef _SPL_FILE_H
+#define _SPL_FILE_H
+
+#endif /* SPL_FILE_H */

include/sys/mkdev.h

@@ -0,0 +1,4 @@
+#ifndef _SPL_MKDEV_H
+#define _SPL_MKDEV_H
+
+#endif /* SPL_MKDEV_H */

include/sys/mntent.h

@@ -0,0 +1,4 @@
+#ifndef _SPL_MNTENT_H
+#define _SPL_MNTENT_H
+
+#endif /* SPL_MNTENT_H */

include/sys/mode.h

@@ -0,0 +1,4 @@
+#ifndef _SPL_MODE_H
+#define _SPL_MODE_H
+
+#endif /* SPL_MODE_H */

include/sys/pathname.h

@@ -0,0 +1,11 @@
+#ifndef _SPL_PATHNAME_H
+#define _SPL_PATHNAME_H
+
+typedef struct pathname {
+	char	*pn_buf;		/* underlying storage */
+	char	*pn_path;		/* remaining pathname */
+	size_t	pn_pathlen;		/* remaining length */
+	size_t	pn_bufsize;		/* total size of pn_buf */
+} pathname_t;
+
+#endif /* SPL_PATHNAME_H */

include/sys/unistd.h

@@ -0,0 +1,4 @@
+#ifndef _SPL_UNISTD_H
+#define _SPL_UNISTD_H
+
+#endif /* SPL_UNISTD_H */

include/sys/vfs_opreg.h

@@ -0,0 +1,4 @@
+#ifndef _SPL_OPREG_H
+#define _SPL_OPREG_H
+
+#endif /* SPL_OPREG_H */

include/sys/vmsystm.h

@@ -2,6 +2,9 @@
 #define _SPL_VMSYSTM_H
 
 #include <linux/mm.h>
+#include <sys/types.h>
+
+extern vmem_t *zio_alloc_arena;		/* arena for zio caches */
 
 #define physmem				num_physpages
 #define ptob(pages)			(pages * PAGE_SIZE)

include/sys/vnode.h

@@ -9,6 +9,8 @@
 #include <linux/dcache.h>
 #include <linux/namei.h>
 #include <linux/fs.h>
+#include <sys/kmem.h>
+#include <sys/mutex.h>
 #include <sys/types.h>
 #include <sys/time.h>
 #include <sys/uio.h>
@@ -72,11 +74,6 @@ typedef enum vtype {
 	VBAD		= 11
 } vtype_t;
 
-typedef struct vnode {
-	struct file	*v_fp;
-	vtype_t		v_type;
-} vnode_t;
-
 typedef struct vattr {
 	enum vtype     va_type;      /* vnode type */
 	u_int          va_mask;	     /* attribute bit-mask */
@@ -130,6 +127,20 @@ typedef struct vsecattr {
         size_t          vsa_aclentsz;   /* ACE size in bytes of vsa_aclentp */
 } vsecattr_t;
 
+typedef struct vnode {
+	struct file	*v_fp;
+	kmutex_t	v_lock;		/* protects vnode fields */
+	uint_t		v_flag;		/* vnode flags (see below) */
+	uint_t		v_count;	/* reference count */
+	void		*v_data;	/* private data for fs */
+	struct vfs	*v_vfsp;	/* ptr to containing VFS */
+	struct stdata	*v_stream;	/* associated stream */
+	enum vtype	v_type;		/* vnode type */
+	dev_t		v_rdev;		/* device (VCHR, VBLK) */
+} vnode_t;
+
+extern vnode_t *vn_alloc(int flag);
+void vn_free(vnode_t *vp);
 extern int vn_open(const char *path, uio_seg_t seg, int flags, int mode,
 		   vnode_t **vpp, int x1, void *x2);
 extern int vn_openat(const char *path, uio_seg_t seg, int flags, int mode,
@@ -143,6 +154,9 @@ extern int vn_rename(const char *path1, const char *path2, int x1);
 extern int vn_getattr(vnode_t *vp, vattr_t *vap, int flags, void *x3, void *x4);
 extern int vn_fsync(vnode_t *vp, int flags, void *x3, void *x4);
 
+int vn_init(void);
+void vn_fini(void);
+
 static __inline__ int
 vn_rele(vnode_t *vp)
 {

include/vm/anon.h

@@ -1,4 +1,4 @@
-#ifndef _SPL_ANON_H
-#define _SPL_ANON_H
+#ifndef _SPL_VM_ANON_H
+#define _SPL_VM_ANON_H
 
-#endif /* SPL_ANON_H */
+#endif /* SPL_VM_ANON_H */

include/vm/pvn.h

@@ -0,0 +1,4 @@
+#ifndef _SPL_VM_PVN_H
+#define _SPL_VM_PVN_H
+
+#endif /* SPL_VM_PVN_H */