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-rw-r--r--xlators/performance/readdir-ahead/src/readdir-ahead.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/xlators/performance/readdir-ahead/src/readdir-ahead.h b/xlators/performance/readdir-ahead/src/readdir-ahead.h
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+++ b/xlators/performance/readdir-ahead/src/readdir-ahead.h
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+/*
+ Copyright (c) 2008-2013 Red Hat, Inc. <http://www.redhat.com>
+ This file is part of GlusterFS.
+
+ This file is licensed to you under your choice of the GNU Lesser
+ General Public License, version 3 or any later version (LGPLv3 or
+ later), or the GNU General Public License, version 2 (GPLv2), in all
+ cases as published by the Free Software Foundation.
+*/
+
+#ifndef __READDIR_AHEAD_H
+#define __READDIR_AHEAD_H
+
+/* state flags */
+#define RDA_FD_NEW (1 << 0)
+#define RDA_FD_RUNNING (1 << 1)
+#define RDA_FD_EOD (1 << 2)
+#define RDA_FD_ERROR (1 << 3)
+#define RDA_FD_BYPASS (1 << 4)
+#define RDA_FD_PLUGGED (1 << 5)
+
+struct rda_fd_ctx {
+ off_t cur_offset; /* current head of the ctx */
+ size_t cur_size; /* current size of the preload */
+ off_t next_offset; /* tail of the ctx */
+ uint32_t state;
+ gf_lock_t lock;
+ gf_dirent_t entries;
+ call_frame_t *fill_frame;
+ call_stub_t *stub;
+ int op_errno;
+};
+
+struct rda_local {
+ struct rda_fd_ctx *ctx;
+ fd_t *fd;
+ off_t offset;
+};
+
+struct rda_priv {
+ uint32_t rda_req_size;
+ uint64_t rda_low_wmark;
+ uint64_t rda_high_wmark;
+};
+
+#endif /* __READDIR_AHEAD_H */