1 files changed, 65 insertions, 0 deletions
diff --git a/xlators/storage/posix/src/xattr-cache.h b/xlators/storage/posix/src/xattr-cache.h
new file mode 100644
index 000000000..3e12742a9
--- /dev/null
+++ b/xlators/storage/posix/src/xattr-cache.h
@@ -0,0 +1,65 @@
+/*
+  Copyright (c) 2009 Z RESEARCH, Inc. <http://www.zresearch.com>
+  This file is part of GlusterFS.
+
+  GlusterFS is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published
+  by the Free Software Foundation; either version 3 of the License,
+  or (at your option) any later version.
+
+  GlusterFS is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __XATTR_CACHE_H__
+#define __XATTR_CACHE_H__
+
+
+#include "glusterfs.h"
+#include "inode.h"
+
+typedef struct __xattr_cache_handle {
+	loc_t loc;
+	fd_t  *fd;
+} xattr_cache_handle_t;
+
+
+typedef struct __xattr_cache_entry {
+	char *key;               /* name of the xattr */
+	int32_t *array;          /* value */
+	size_t len;              /* length of array in bytes */
+	inode_t *inode;          /* inode for which the entry is for */
+
+	xattr_cache_handle_t *handle;
+	unsigned char dirty;
+	unsigned long nraccess;  /* number of times accessed */
+} xattr_cache_entry_t;
+
+
+typedef struct __xattr_cache {
+	size_t size;
+	pthread_mutex_t lock;
+	xattr_cache_entry_t **entries;
+} xattr_cache_t;
+
+
+xattr_cache_t * posix_xattr_cache_init (size_t size);
+
+int posix_xattr_cache_read (xlator_t *this, xattr_cache_handle_t *handle, 
+			    char *key, int32_t *array, size_t len);
+
+int posix_xattr_cache_write (xlator_t *this, xattr_cache_handle_t *handle,
+			     char *key, int32_t *array, size_t len);
+
+int posix_xattr_cache_flush (xlator_t *this, xattr_cache_handle_t *handle);
+
+int posix_xattr_cache_flush_all (xlator_t *this);
+
+
+#endif /* __XATTR_CACHE_H__ */