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/*
BD translator - Exports Block devices on server side as regular
files to client.
Copyright IBM, Corp. 2012
This file is part of GlusterFS.
Author:
M. Mohan Kumar <mohan@in.ibm.com>
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 _BD_MAP_HELP_H
#define _BD_MAP_HELP_H
#define BD_RD_LOCK(lock) \
pthread_rwlock_rdlock (lock);
#define BD_WR_LOCK(lock) \
pthread_rwlock_wrlock (lock);
#define BD_UNLOCK(lock) \
pthread_rwlock_unlock (lock);
#define BD_WR_ENTRY(priv, bdentry, path) \
do { \
BD_WR_LOCK (&priv->lock); \
bdentry = bd_entry_get (path); \
BD_UNLOCK (&priv->lock); \
} while (0)
#define BD_ENTRY(priv, bdentry, path) \
do { \
BD_RD_LOCK (&priv->lock); \
bdentry = bd_entry_get (path); \
BD_UNLOCK (&priv->lock); \
} while (0)
#define BD_PUT_ENTRY(priv, bdentry) \
do { \
BD_RD_LOCK (&priv->lock); \
bd_entry_put (bdentry); \
BD_UNLOCK (&priv->lock); \
} while (0)
#define BD_ENTRY_UPDATE_TIME(bdentry) bd_update_time (bdentry, 0)
#define BD_ENTRY_UPDATE_ATIME(bdentry) bd_update_time (bdentry, 2)
#define BD_ENTRY_UPDATE_MTIME(bdentry) bd_update_time (bdentry, 1)
extern bd_entry_t *bd_rootp;
extern gf_lock_t inode_lk;
void bd_entry_istat (const char *path, struct iatt *attr, int type);
bd_entry_t *bd_entry_add_root (void);
bd_entry_t *bd_entry_add (bd_entry_t *parent, const char *name,
struct iatt *iattr, ia_type_t type);
bd_entry_t *bd_entry_get_list (const char *name, bd_entry_t *parent);
bd_entry_t *bd_entry_get (const char *name);
void bd_entry_put (bd_entry_t *entry);
int bd_build_lv_list (bd_priv_t *priv, char *vg);
int bd_entry_cleanup (void);
void bd_update_time (bd_entry_t *entry, int type);
int bd_entry_rm (const char *path);
#endif
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