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Diffstat (limited to 'scheduler/rr/src/rr.h')
-rw-r--r-- | scheduler/rr/src/rr.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/scheduler/rr/src/rr.h b/scheduler/rr/src/rr.h new file mode 100644 index 00000000000..baa471209e8 --- /dev/null +++ b/scheduler/rr/src/rr.h @@ -0,0 +1,70 @@ +/* + Copyright (c) 2006, 2007, 2008 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 _RR_H +#define _RR_H + +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif + +#include "scheduler.h" +#include <stdint.h> +#include <sys/time.h> + +struct rr_subvolume +{ + xlator_t *xl; + uint8_t free_disk_status; + uint8_t status; +}; +typedef struct rr_subvolume rr_subvolume_t; + +struct rr +{ + rr_options_t options; + rr_subvolume_t *subvolume_list; + uint64_t subvolume_count; + uint64_t schedule_index; + struct timeval last_stat_fetched_time; + pthread_mutex_t mutex; + char first_time; +}; +typedef struct rr rr_t; + +int rr_init (xlator_t *this_xl); +void rr_fini (xlator_t *this_xl); +xlator_t *rr_schedule (xlator_t *this_xl, const void *path); +void rr_update (xlator_t *this_xl); +int rr_update_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this_xl, + int32_t op_ret, + int32_t op_errno, + struct xlator_stats *stats); +void rr_notify (xlator_t *this_xl, int32_t event, void *data); +int rr_notify_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this_xl, + int32_t op_ret, + int32_t op_errno, + dict_t *xattr); + +#endif /* _RR_H */ |