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/*
Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.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 __COMMON_H__
#define __COMMON_H__
#include "lkowner.h"
/*dump locks format strings */
#define RANGE_FMT "type=%s, whence=%hd, start=%llu, len=%llu"
#define ENTRY_FMT "type=%s on basename=%s"
#define DUMP_GEN_FMT "pid = %llu, owner=%s, transport=%p, "
#define GRNTD_AT "granted at %s"
#define BLKD_AT "blocked at %s"
#define DUMP_BLKD_FMT DUMP_GEN_FMT", "BLKD_AT
#define DUMP_GRNTD_FMT DUMP_GEN_FMT", "GRNTD_AT
#define DUMP_BLKD_GRNTD_FMT DUMP_GEN_FMT", "BLKD_AT", "GRNTD_AT
#define ENTRY_BLKD_FMT ENTRY_FMT", "DUMP_BLKD_FMT
#define ENTRY_GRNTD_FMT ENTRY_FMT", "DUMP_GRNTD_FMT
#define ENTRY_BLKD_GRNTD_FMT ENTRY_FMT", "DUMP_BLKD_GRNTD_FMT
#define RANGE_BLKD_FMT RANGE_FMT", "DUMP_BLKD_FMT
#define RANGE_GRNTD_FMT RANGE_FMT", "DUMP_GRNTD_FMT
#define RANGE_BLKD_GRNTD_FMT RANGE_FMT", "DUMP_BLKD_GRNTD_FMT
#define SET_FLOCK_PID(flock, lock) ((flock)->l_pid = lock->client_pid)
posix_lock_t *
new_posix_lock (struct gf_flock *flock, void *transport, pid_t client_pid,
gf_lkowner_t *owner, fd_t *fd);
pl_inode_t *
pl_inode_get (xlator_t *this, inode_t *inode);
posix_lock_t *
pl_getlk (pl_inode_t *inode, posix_lock_t *lock);
int
pl_setlk (xlator_t *this, pl_inode_t *inode, posix_lock_t *lock,
int can_block);
void
grant_blocked_locks (xlator_t *this, pl_inode_t *inode);
void
posix_lock_to_flock (posix_lock_t *lock, struct gf_flock *flock);
int
locks_overlap (posix_lock_t *l1, posix_lock_t *l2);
int
same_owner (posix_lock_t *l1, posix_lock_t *l2);
void __delete_lock (pl_inode_t *, posix_lock_t *);
void __destroy_lock (posix_lock_t *);
pl_dom_list_t *
get_domain (pl_inode_t *pl_inode, const char *volume);
void
grant_blocked_inode_locks (xlator_t *this, pl_inode_t *pl_inode, pl_dom_list_t *dom);
void
__delete_inode_lock (pl_inode_lock_t *lock);
void
__pl_inodelk_unref (pl_inode_lock_t *lock);
void
grant_blocked_entry_locks (xlator_t *this, pl_inode_t *pl_inode,
pl_entry_lock_t *unlocked, pl_dom_list_t *dom);
void pl_update_refkeeper (xlator_t *this, inode_t *inode);
int32_t
get_inodelk_count (xlator_t *this, inode_t *inode);
int32_t
get_entrylk_count (xlator_t *this, inode_t *inode);
void pl_trace_in (xlator_t *this, call_frame_t *frame, fd_t *fd, loc_t *loc,
int cmd, struct gf_flock *flock, const char *domain);
void pl_trace_out (xlator_t *this, call_frame_t *frame, fd_t *fd, loc_t *loc,
int cmd, struct gf_flock *flock, int op_ret, int op_errno, const char *domain);
void pl_trace_block (xlator_t *this, call_frame_t *frame, fd_t *fd, loc_t *loc,
int cmd, struct gf_flock *flock, const char *domain);
void pl_trace_flush (xlator_t *this, call_frame_t *frame, fd_t *fd);
void entrylk_trace_in (xlator_t *this, call_frame_t *frame, const char *volume,
fd_t *fd, loc_t *loc, const char *basename,
entrylk_cmd cmd, entrylk_type type);
void entrylk_trace_out (xlator_t *this, call_frame_t *frame, const char *volume,
fd_t *fd, loc_t *loc, const char *basename,
entrylk_cmd cmd, entrylk_type type,
int op_ret, int op_errno);
void entrylk_trace_block (xlator_t *this, call_frame_t *frame, const char *volume,
fd_t *fd, loc_t *loc, const char *basename,
entrylk_cmd cmd, entrylk_type type);
void
pl_print_verdict (char *str, int size, int op_ret, int op_errno);
void
pl_print_lockee (char *str, int size, fd_t *fd, loc_t *loc);
void
pl_print_locker (char *str, int size, xlator_t *this, call_frame_t *frame);
void
pl_print_inodelk (char *str, int size, int cmd, struct gf_flock *flock, const char *domain);
void
pl_trace_release (xlator_t *this, fd_t *fd);
unsigned long
fd_to_fdnum (fd_t *fd);
fd_t *
fd_from_fdnum (posix_lock_t *lock);
int
pl_reserve_setlk (xlator_t *this, pl_inode_t *pl_inode, posix_lock_t *lock,
int can_block);
int
reservelks_equal (posix_lock_t *l1, posix_lock_t *l2);
int
pl_verify_reservelk (xlator_t *this, pl_inode_t *pl_inode,
posix_lock_t *lock, int can_block);
int
pl_reserve_unlock (xlator_t *this, pl_inode_t *pl_inode, posix_lock_t *reqlock);
#endif /* __COMMON_H__ */
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