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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 */
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