backporting quick read to 2.0

Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 238 (Backport quick-read to 2.0 release)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=238

1 files changed, 80 insertions, 0 deletions

diff --git a/xlators/performance/quick-read/src/quick-read.h b/xlators/performance/quick-read/src/quick-read.h
new file mode 100644
index 00000000000..c49ab167b92
--- /dev/null
+++ b/xlators/performance/quick-read/src/quick-read.h
@@ -0,0 +1,80 @@
+/*
+  Copyright (c) 2009-2010 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 __QUICK_READ_H
+#define __QUICK_READ_H
+
+#ifndef _CONFIG_H
+#define _CONFIG_H
+#include "config.h"
+#endif
+
+#include "glusterfs.h"
+#include "logging.h"
+#include "dict.h"
+#include "xlator.h"
+#include "list.h"
+#include "compat.h"
+#include "compat-errno.h"
+#include "common-utils.h"
+#include "call-stub.h"
+#include "defaults.h"
+#include <libgen.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#define GLUSTERFS_CONTENT_KEY "glusterfs.content"
+
+struct qr_fd_ctx {
+        char              opened;
+        char              open_in_transit;
+        char             *path;
+        int               flags;
+        struct list_head  waiting_ops;
+        gf_lock_t         lock;
+};
+typedef struct qr_fd_ctx qr_fd_ctx_t;
+
+struct qr_local {
+        char         is_open;
+        fd_t        *fd;
+        int          open_flags;
+        int32_t      op_ret;
+        int32_t      op_errno;
+        call_stub_t *stub;
+};
+typedef struct qr_local qr_local_t;
+
+struct qr_file {
+        dict_t           *xattr;
+        struct stat       stbuf;
+        struct timeval    tv;
+        gf_lock_t         lock;
+};
+typedef struct qr_file qr_file_t;
+
+struct qr_conf {
+        uint64_t  max_file_size;
+        int32_t   cache_timeout;
+};
+typedef struct qr_conf qr_conf_t;
+
+#endif /* #ifndef __QUICK_READ_H */