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Diffstat (limited to 'libglusterfs/src/glusterfs/cluster-syncop.h')
| -rw-r--r-- | libglusterfs/src/glusterfs/cluster-syncop.h | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/libglusterfs/src/glusterfs/cluster-syncop.h b/libglusterfs/src/glusterfs/cluster-syncop.h new file mode 100644 index 00000000000..cfd3c338683 --- /dev/null +++ b/libglusterfs/src/glusterfs/cluster-syncop.h @@ -0,0 +1,227 @@ +/* + 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 "glusterfs/xlator.h" +#include <sys/time.h> +#include <pthread.h> +#include <ucontext.h> +#include "glusterfs/defaults.h" +#include "glusterfs/default-args.h" +#include "glusterfs/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 */ |