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/*
Copyright (c) 2015 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 _CLUSTER_SYNCOP_H
#define _CLUSTER_SYNCOP_H
#include "xlator.h"
#include <sys/time.h>
#include <pthread.h>
#include <ucontext.h>
#include "defaults.h"
#include "default-args.h"
#include "syncop.h"
/*********************************************************************
*
* PARALLEL_FOP_ONLIST:
* Performs file operations in parallel on bricks.
* This macro expects a helper function(func) to implement the
* functionality.
*
********************************************************************/
#define PARALLEL_FOP_ONLIST(subvols, on, numsubvols, replies, frame, \
func, args ...) \
do { \
int __i = 0; \
int __count = 0; \
cluster_local_t __local = {0,}; \
void *__old_local = frame->local; \
\
__local.replies = replies; \
cluster_replies_wipe (replies, numsubvols); \
for (__i = 0; __i < numsubvols; __i++) \
INIT_LIST_HEAD (&replies[__i].entries.list); \
if (syncbarrier_init (&__local.barrier)) \
break; \
frame->local = &__local; \
for (__i = 0; __i < numsubvols; __i++) { \
if (on[__i]) { \
__count++; \
} \
} \
__local.barrier.waitfor = __count; \
for (__i = 0; __i < numsubvols; __i++) { \
if (on[__i]) { \
func (frame, subvols[__i], __i, ## args); \
} \
} \
syncbarrier_wait (&__local.barrier, __count); \
syncbarrier_destroy (&__local.barrier); \
frame->local = __old_local; \
STACK_RESET (frame->root); \
} while (0)
typedef struct cluster_local_ {
default_args_cbk_t *replies;
syncbarrier_t barrier;
} cluster_local_t;
int32_t
cluster_lookup (xlator_t **subvols, unsigned char *on, int numsubvols,
default_args_cbk_t *replies, unsigned char *output,
call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata);
int32_t
cluster_setattr (xlator_t **subvols, unsigned char *on, int numsubvols,
default_args_cbk_t *replies, unsigned char *output,
call_frame_t *frame, xlator_t *this, loc_t *loc,
struct iatt *stbuf, int32_t valid, dict_t *xdata);
int32_t
cluster_getxattr (xlator_t **subvols, unsigned char *on, int numsubvols,
default_args_cbk_t *replies, unsigned char *output,
call_frame_t *frame, xlator_t *this, loc_t *loc,
const char *name, dict_t *xdata);
int32_t
cluster_setxattr (xlator_t **subvols, unsigned char *on, int numsubvols,
default_args_cbk_t *replies, unsigned char *output,
call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *dict,
int32_t flags, dict_t *xdata);
int
cluster_inodelk (xlator_t **subvols, unsigned char *on, int numsubvols,
default_args_cbk_t *replies, unsigned char *locked_on,
call_frame_t *frame, xlator_t *this, char *dom,
inode_t *inode, off_t off, size_t size);
int
cluster_uninodelk (xlator_t **subvols, unsigned char *locked_on, int numsubvols,
default_args_cbk_t *replies, unsigned char *output,
call_frame_t *frame, xlator_t *this, char *dom,
inode_t *inode, off_t off, size_t size);
int
cluster_entrylk (xlator_t **subvols, unsigned char *on, int numsubvols,
default_args_cbk_t *replies, unsigned char *locked_on,
call_frame_t *frame, xlator_t *this, char *dom,
inode_t *inode, const char *name);
int32_t
cluster_rmdir (xlator_t **subvols, unsigned char *on, int numsubvols,
default_args_cbk_t *replies, unsigned char *output,
call_frame_t *frame, xlator_t *this, loc_t *loc, int flags,
dict_t *xdata);
int32_t
cluster_unlink (xlator_t **subvols, unsigned char *on, int numsubvols,
default_args_cbk_t *replies, unsigned char *output,
call_frame_t *frame, xlator_t *this, loc_t *loc, int xflag,
dict_t *xdata);
int
cluster_mkdir (xlator_t **subvols, unsigned char *on, int numsubvols,
default_args_cbk_t *replies, unsigned char *output,
call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
mode_t umask, dict_t *xdata);
int32_t
cluster_readlink (xlator_t **subvols, unsigned char *on, int numsubvols,
default_args_cbk_t *replies, unsigned char *output,
call_frame_t *frame, xlator_t *this, loc_t *loc, size_t size,
dict_t *xdata);
int
cluster_symlink (xlator_t **subvols, unsigned char *on, int numsubvols,
default_args_cbk_t *replies, unsigned char *output,
call_frame_t *frame, xlator_t *this, const char *linkpath,
loc_t *loc, mode_t umask, dict_t *xdata);
int32_t
cluster_link (xlator_t **subvols, unsigned char *on, int numsubvols,
default_args_cbk_t *replies, unsigned char *output,
call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc,
dict_t *xdata);
int
cluster_mknod (xlator_t **subvols, unsigned char *on, int numsubvols,
default_args_cbk_t *replies, unsigned char *output,
call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
dev_t rdev, mode_t umask, dict_t *xdata);
int
cluster_unentrylk (xlator_t **subvols, unsigned char *locked_on, int numsubvols,
default_args_cbk_t *replies, unsigned char *output,
call_frame_t *frame, xlator_t *this, char *dom,
inode_t *inode, const char *name);
int
cluster_tryentrylk (xlator_t **subvols, unsigned char *on, int numsubvols,
default_args_cbk_t *replies, unsigned char *locked_on,
call_frame_t *frame, xlator_t *this, char *dom,
inode_t *inode, const char *name);
int32_t
cluster_fxattrop (xlator_t **subvols, unsigned char *on, int numsubvols,
default_args_cbk_t *replies, unsigned char *output,
call_frame_t *frame, xlator_t *this, fd_t *fd,
gf_xattrop_flags_t flags, dict_t *dict, dict_t *xdata);
int32_t
cluster_xattrop (xlator_t **subvols, unsigned char *on, int numsubvols,
default_args_cbk_t *replies, unsigned char *output,
call_frame_t *frame, xlator_t *this, loc_t *loc,
gf_xattrop_flags_t flags, dict_t *dict, dict_t *xdata);
int32_t
cluster_fstat (xlator_t **subvols, unsigned char *on, int numsubvols,
default_args_cbk_t *replies, unsigned char *output,
call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata);
int32_t
cluster_ftruncate (xlator_t **subvols, unsigned char *on, int numsubvols,
default_args_cbk_t *replies, unsigned char *output,
call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
dict_t *xdata);
int32_t
cluster_open (xlator_t **subvols, unsigned char *on, int numsubvols,
default_args_cbk_t *replies, unsigned char *output,
call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
fd_t *fd, dict_t *xdata);
int
cluster_tryinodelk (xlator_t **subvols, unsigned char *on, int numsubvols,
default_args_cbk_t *replies, unsigned char *locked_on,
call_frame_t *frame, xlator_t *this, char *dom,
inode_t *inode, off_t off, size_t size);
int32_t
cluster_fsetattr (xlator_t **subvols, unsigned char *on, int numsubvols,
default_args_cbk_t *replies, unsigned char *output,
call_frame_t *frame, xlator_t *this, fd_t *fd,
struct iatt *stbuf, int32_t valid, dict_t *xdata);
int32_t
cluster_put (xlator_t **subvols, unsigned char *on, int numsubvols,
default_args_cbk_t *replies, unsigned char *output,
call_frame_t *frame, xlator_t *this, loc_t *loc,
mode_t mode, mode_t umask, uint32_t flags, struct iovec *vector,
int32_t count, off_t offset, struct iobref *iobref, dict_t *xattr,
dict_t *xdata);
void
cluster_replies_wipe (default_args_cbk_t *replies, int num_subvols);
int32_t
cluster_fop_success_fill (default_args_cbk_t *replies, int numsubvols,
unsigned char *success);
int32_t
cluster_xattrop_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
int32_t op_ret, int32_t op_errno, dict_t *dict,
dict_t *xdata);
int
cluster_tiebreaker_inodelk (xlator_t **subvols, unsigned char *on,
int numsubvols, default_args_cbk_t *replies,
unsigned char *locked_on, call_frame_t *frame,
xlator_t *this, char *dom, inode_t *inode,
off_t off, size_t size);
#endif /* !_CLUSTER_SYNCOP_H */
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