diff options
Diffstat (limited to 'xlators/features/thin-arbiter')
| -rw-r--r-- | xlators/features/thin-arbiter/Makefile.am | 3 | ||||
| -rw-r--r-- | xlators/features/thin-arbiter/src/Makefile.am | 22 | ||||
| -rw-r--r-- | xlators/features/thin-arbiter/src/thin-arbiter-mem-types.h | 19 | ||||
| -rw-r--r-- | xlators/features/thin-arbiter/src/thin-arbiter-messages.h | 28 | ||||
| -rw-r--r-- | xlators/features/thin-arbiter/src/thin-arbiter.c | 661 | ||||
| -rw-r--r-- | xlators/features/thin-arbiter/src/thin-arbiter.h | 59 |
6 files changed, 792 insertions, 0 deletions
diff --git a/xlators/features/thin-arbiter/Makefile.am b/xlators/features/thin-arbiter/Makefile.am new file mode 100644 index 00000000000..a985f42a877 --- /dev/null +++ b/xlators/features/thin-arbiter/Makefile.am @@ -0,0 +1,3 @@ +SUBDIRS = src + +CLEANFILES = diff --git a/xlators/features/thin-arbiter/src/Makefile.am b/xlators/features/thin-arbiter/src/Makefile.am new file mode 100644 index 00000000000..a3c133e7798 --- /dev/null +++ b/xlators/features/thin-arbiter/src/Makefile.am @@ -0,0 +1,22 @@ +xlator_LTLIBRARIES = thin-arbiter.la + +xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/xlator/features + +thin_arbiter_la_LDFLAGS = -module $(GF_XLATOR_DEFAULT_LDFLAGS) + +thin_arbiter_la_SOURCES = thin-arbiter.c \ + $(top_builddir)/xlators/lib/src/libxlator.c + +thin_arbiter_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la + +noinst_HEADERS = thin-arbiter.h thin-arbiter-mem-types.h thin-arbiter-messages.h \ + $(top_builddir)/xlators/lib/src/libxlator.h + +AM_CPPFLAGS = $(GF_CPPFLAGS) \ + -I$(top_srcdir)/libglusterfs/src -I$(top_srcdir)/xlators/lib/src \ + -I$(top_srcdir)/rpc/rpc-lib/src \ + -I$(top_srcdir)/rpc/xdr/src -I$(top_builddir)/rpc/xdr/src + +AM_CFLAGS = -Wall $(GF_CFLAGS) + +CLEANFILES = diff --git a/xlators/features/thin-arbiter/src/thin-arbiter-mem-types.h b/xlators/features/thin-arbiter/src/thin-arbiter-mem-types.h new file mode 100644 index 00000000000..69562d2febc --- /dev/null +++ b/xlators/features/thin-arbiter/src/thin-arbiter-mem-types.h @@ -0,0 +1,19 @@ +/* + 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 __THIN_ARBITER_MEM_TYPES_H__ +#define __THIN_ARBITER_MEM_TYPES_H__ +#include <glusterfs/mem-types.h> + +typedef enum gf_ta_mem_types_ { + gf_ta_mt_local_t = gf_common_mt_end + 1, + gf_ta_mt_char, + gf_ta_mt_end +} gf_ta_mem_types_t; +#endif diff --git a/xlators/features/thin-arbiter/src/thin-arbiter-messages.h b/xlators/features/thin-arbiter/src/thin-arbiter-messages.h new file mode 100644 index 00000000000..81d7491577a --- /dev/null +++ b/xlators/features/thin-arbiter/src/thin-arbiter-messages.h @@ -0,0 +1,28 @@ +/* + 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 _TA_MESSAGES_H_ +#define _TA_MESSAGES_H_ + +#include <glusterfs/glfs-message-id.h> + +/* To add new message IDs, append new identifiers at the end of the list. + * + * Never remove a message ID. If it's not used anymore, you can rename it or + * leave it as it is, but not delete it. This is to prevent reutilization of + * IDs by other messages. + * + * The component name must match one of the entries defined in + * glfs-message-id.h. + */ + +GLFS_MSGID(TA, TA_MSG_INVALID_FOP); + +#endif /* !_TA_MESSAGES_H_ */ diff --git a/xlators/features/thin-arbiter/src/thin-arbiter.c b/xlators/features/thin-arbiter/src/thin-arbiter.c new file mode 100644 index 00000000000..ce3008636f1 --- /dev/null +++ b/xlators/features/thin-arbiter/src/thin-arbiter.c @@ -0,0 +1,661 @@ +/* + 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. +*/ + +#include "thin-arbiter.h" +#include "thin-arbiter-messages.h" +#include "thin-arbiter-mem-types.h" +#include <glusterfs/glusterfs.h> +#include <glusterfs/xlator.h> +#include <glusterfs/logging.h> +#include <glusterfs/byte-order.h> +#include <glusterfs/common-utils.h> + +int +ta_set_incoming_values(dict_t *dict, char *key, data_t *value, void *data) +{ + int32_t ret = 0; + ta_fop_t *fop = (ta_fop_t *)data; + int32_t *pending = NULL; + + pending = GF_CALLOC(1, value->len, gf_ta_mt_char); + if (!pending) { + ret = -ENOMEM; + goto out; + } + ret = dict_set_bin(fop->brick_xattr, key, pending, value->len); +out: + return ret; +} + +int +ta_get_incoming_and_brick_values(dict_t *dict, char *key, data_t *value, + void *data) +{ + ta_fop_t *fop = data; + char *source = NULL; + char *in_coming = NULL; + int32_t len = 0, ret = 0; + + source = GF_CALLOC(1, value->len, gf_ta_mt_char); + if (!source) { + ret = -ENOMEM; + goto out; + } + + ret = dict_get_ptr_and_len(fop->dict, key, (void **)&in_coming, &len); + + if (!in_coming || value->len != len) { + ret = -EINVAL; + goto out; + } + + if (!memcmp(value->data, source, value->len) && + (!memcmp(in_coming, source, len))) { + fop->on_disk[fop->idx] = 0; + } else { + fop->on_disk[fop->idx] = 1; + } + + fop->idx++; +out: + GF_FREE(source); + return ret; +} + +void +ta_release_fop(ta_fop_t *fop) +{ + if (!fop) { + return; + } + if (fop->fd) { + fd_unref(fop->fd); + } + loc_wipe(&fop->loc); + if (fop->dict) { + dict_unref(fop->dict); + } + if (fop->brick_xattr) { + dict_unref(fop->brick_xattr); + } + + GF_FREE(fop); + return; +} + +int32_t +ta_set_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) +{ + TA_STACK_UNWIND(xattrop, frame, op_ret, op_errno, dict, xdata); + return 0; +} + +/* +case 1 - If brick value is 0 and incoming value is also 0, fine +case 2 - If brick value is 0 and incoming value is non 0, fine +case 3 - If brick value is non 0 and incoming value is also 0, fine +case 4 - If brick value is non 0 and incoming value is non 0, fine +case 5 - If incoming value is non zero on both brick, it is wrong +case 6 - If incoming value is non zero but brick value for other +brick is also non zero, wrong +*/ + +int32_t +ta_verify_on_disk_source(ta_fop_t *fop, dict_t *dict) +{ + int ret = 0; + + if (!fop) { + return -EINVAL; + } + + ret = dict_foreach(dict, ta_get_incoming_and_brick_values, (void *)fop); + if (ret < 0) { + return ret; + } + if (fop->on_disk[0] && fop->on_disk[1]) { + return -EINVAL; + } + return 0; +} + +int32_t +ta_get_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) +{ + ta_fop_t *fop = NULL; + int ret = 0; + + fop = frame->local; + if (op_ret) { + goto unwind; + } + + ret = ta_verify_on_disk_source(fop, dict); + if (ret < 0) { + op_errno = -ret; + goto unwind; + } + + if (fop->fd) { + STACK_WIND(frame, ta_set_xattrop_cbk, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->fxattrop, fop->fd, + fop->xattrop_flags, fop->dict, NULL); + } else { + STACK_WIND(frame, ta_set_xattrop_cbk, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->xattrop, &fop->loc, + fop->xattrop_flags, fop->dict, NULL); + } + return 0; + +unwind: + + TA_STACK_UNWIND(xattrop, frame, -1, op_errno, NULL, NULL); + return -1; +} + +ta_fop_t * +ta_prepare_fop(call_frame_t *frame, xlator_t *this, loc_t *loc, fd_t *fd, + gf_xattrop_flags_t flags, dict_t *dict, dict_t *xdata) +{ + ta_fop_t *fop = NULL; + int ret = 0; + + fop = GF_CALLOC(1, sizeof(*fop), gf_ta_mt_local_t); + if (!fop) { + goto out; + } + + if (loc) { + loc_copy(&fop->loc, loc); + } + + if (fd) { + fop->fd = fd_ref(fd); + } + + fop->xattrop_flags = flags; + fop->idx = 0; + + if (dict != NULL) { + fop->dict = dict_ref(dict); + } + fop->brick_xattr = dict_new(); + if (fop->brick_xattr == NULL) { + goto out; + } + ret = dict_foreach(dict, ta_set_incoming_values, (void *)fop); + if (ret < 0) { + goto out; + } + frame->local = fop; + return fop; + +out: + ta_release_fop(fop); + return NULL; +} + +int32_t +ta_fxattrop(call_frame_t *frame, xlator_t *this, fd_t *fd, + gf_xattrop_flags_t flags, dict_t *dict, dict_t *xdata) +{ + int ret = 0; + ta_fop_t *fop = NULL; + + fop = ta_prepare_fop(frame, this, NULL, fd, flags, dict, xdata); + if (!fop) { + ret = -ENOMEM; + goto unwind; + } + + STACK_WIND(frame, ta_get_xattrop_cbk, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->fxattrop, fd, flags, fop->brick_xattr, + xdata); + return 0; + +unwind: + + TA_STACK_UNWIND(xattrop, frame, -1, -ret, NULL, NULL); + return 0; +} + +int32_t +ta_xattrop(call_frame_t *frame, xlator_t *this, loc_t *loc, + gf_xattrop_flags_t flags, dict_t *dict, dict_t *xdata) +{ + int ret = 0; + ta_fop_t *fop = NULL; + + fop = ta_prepare_fop(frame, this, loc, NULL, flags, dict, xdata); + if (!fop) { + ret = -ENOMEM; + goto unwind; + } + + STACK_WIND(frame, ta_get_xattrop_cbk, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->xattrop, loc, flags, fop->brick_xattr, + xdata); + return 0; + +unwind: + + TA_STACK_UNWIND(xattrop, frame, -1, -ret, NULL, NULL); + return 0; +} + +int32_t +ta_writev(call_frame_t *frame, xlator_t *this, fd_t *fd, struct iovec *vector, + int32_t count, off_t off, uint32_t flags, struct iobref *iobref, + dict_t *xdata) +{ + TA_FAILED_FOP(writev, frame, EINVAL); + return 0; +} + +int32_t +ta_fsetxattr(call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *dict, + int32_t flags, dict_t *xdata) +{ + TA_FAILED_FOP(fsetxattr, frame, EINVAL); + return 0; +} + +int32_t +ta_setxattr(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *dict, + int32_t flags, dict_t *xdata) +{ + TA_FAILED_FOP(setxattr, frame, EINVAL); + return 0; +} + +int32_t +ta_fallocate(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t keep_size, + off_t offset, size_t len, dict_t *xdata) +{ + TA_FAILED_FOP(fallocate, frame, EINVAL); + return 0; +} + +int32_t +ta_access(call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t mask, + dict_t *xdata) +{ + TA_FAILED_FOP(access, frame, EINVAL); + return 0; +} + +int32_t +ta_discard(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset, + size_t len, dict_t *xdata) +{ + TA_FAILED_FOP(discard, frame, EINVAL); + return 0; +} + +int32_t +ta_entrylk(call_frame_t *frame, xlator_t *this, const char *volume, loc_t *loc, + const char *basename, entrylk_cmd cmd, entrylk_type type, + dict_t *xdata) +{ + TA_FAILED_FOP(entrylk, frame, EINVAL); + return 0; +} + +int32_t +ta_fentrylk(call_frame_t *frame, xlator_t *this, const char *volume, fd_t *fd, + const char *basename, entrylk_cmd cmd, entrylk_type type, + dict_t *xdata) +{ + TA_FAILED_FOP(fentrylk, frame, EINVAL); + return 0; +} + +int32_t +ta_flush(call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata) +{ + TA_FAILED_FOP(flush, frame, EINVAL); + return 0; +} + +int32_t +ta_fsync(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t datasync, + dict_t *xdata) +{ + TA_FAILED_FOP(fsync, frame, EINVAL); + return 0; +} +int32_t +ta_fsyncdir(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t datasync, + dict_t *xdata) +{ + TA_FAILED_FOP(fsyncdir, frame, EINVAL); + return 0; +} + +int32_t +ta_getxattr(call_frame_t *frame, xlator_t *this, loc_t *loc, const char *name, + dict_t *xdata) +{ + TA_FAILED_FOP(getxattr, frame, EINVAL); + return 0; +} + +int32_t +ta_fgetxattr(call_frame_t *frame, xlator_t *this, fd_t *fd, const char *name, + dict_t *xdata) +{ + TA_FAILED_FOP(fgetxattr, frame, EINVAL); + return 0; +} + +int32_t +ta_link(call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc, + dict_t *xdata) +{ + TA_FAILED_FOP(link, frame, EINVAL); + return 0; +} + +int32_t +ta_lk(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t cmd, + struct gf_flock *flock, dict_t *xdata) +{ + TA_FAILED_FOP(lk, frame, EINVAL); + return 0; +} + +int32_t +ta_mkdir(call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode, + mode_t umask, dict_t *xdata) +{ + TA_FAILED_FOP(mkdir, frame, EINVAL); + return 0; +} + +int32_t +ta_mknod(call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode, + dev_t rdev, mode_t umask, dict_t *xdata) +{ + TA_FAILED_FOP(mknod, frame, EINVAL); + return 0; +} + +int32_t +ta_open(call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags, + fd_t *fd, dict_t *xdata) +{ + TA_FAILED_FOP(open, frame, EINVAL); + return 0; +} + +int32_t +ta_opendir(call_frame_t *frame, xlator_t *this, loc_t *loc, fd_t *fd, + dict_t *xdata) +{ + TA_FAILED_FOP(opendir, frame, EINVAL); + return 0; +} + +int32_t +ta_readdir(call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size, + off_t offset, dict_t *xdata) +{ + TA_FAILED_FOP(readdir, frame, EINVAL); + return 0; +} + +int32_t +ta_readdirp(call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size, + off_t offset, dict_t *xdata) +{ + TA_FAILED_FOP(readdirp, frame, EINVAL); + return 0; +} + +int32_t +ta_readlink(call_frame_t *frame, xlator_t *this, loc_t *loc, size_t size, + dict_t *xdata) +{ + TA_FAILED_FOP(readlink, frame, EINVAL); + return 0; +} + +int32_t +ta_readv(call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size, + off_t offset, uint32_t flags, dict_t *xdata) +{ + TA_FAILED_FOP(readv, frame, EINVAL); + return 0; +} + +int32_t +ta_removexattr(call_frame_t *frame, xlator_t *this, loc_t *loc, + const char *name, dict_t *xdata) +{ + TA_FAILED_FOP(removexattr, frame, EINVAL); + return 0; +} + +int32_t +ta_fremovexattr(call_frame_t *frame, xlator_t *this, fd_t *fd, const char *name, + dict_t *xdata) +{ + TA_FAILED_FOP(fremovexattr, frame, EINVAL); + return 0; +} + +int32_t +ta_rename(call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc, + dict_t *xdata) +{ + TA_FAILED_FOP(rename, frame, EINVAL); + return 0; +} + +int32_t +ta_rmdir(call_frame_t *frame, xlator_t *this, loc_t *loc, int xflags, + dict_t *xdata) +{ + TA_FAILED_FOP(rmdir, frame, EINVAL); + return 0; +} + +int32_t +ta_setattr(call_frame_t *frame, xlator_t *this, loc_t *loc, struct iatt *stbuf, + int32_t valid, dict_t *xdata) +{ + TA_FAILED_FOP(setattr, frame, EINVAL); + return 0; +} + +int32_t +ta_fsetattr(call_frame_t *frame, xlator_t *this, fd_t *fd, struct iatt *stbuf, + int32_t valid, dict_t *xdata) +{ + TA_FAILED_FOP(fsetattr, frame, EINVAL); + return 0; +} + +int32_t +ta_stat(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata) +{ + TA_FAILED_FOP(stat, frame, EINVAL); + return 0; +} + +int32_t +ta_fstat(call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata) +{ + TA_FAILED_FOP(fstat, frame, EINVAL); + return 0; +} + +int32_t +ta_statfs(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata) +{ + TA_FAILED_FOP(statfs, frame, EINVAL); + return 0; +} + +int32_t +ta_symlink(call_frame_t *frame, xlator_t *this, const char *linkname, + loc_t *loc, mode_t umask, dict_t *xdata) +{ + TA_FAILED_FOP(symlink, frame, EINVAL); + return 0; +} + +int32_t +ta_truncate(call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset, + dict_t *xdata) +{ + TA_FAILED_FOP(truncate, frame, EINVAL); + return 0; +} + +int32_t +ta_ftruncate(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset, + dict_t *xdata) +{ + TA_FAILED_FOP(ftruncate, frame, EINVAL); + return 0; +} + +int32_t +ta_unlink(call_frame_t *frame, xlator_t *this, loc_t *loc, int xflags, + dict_t *xdata) +{ + TA_FAILED_FOP(unlink, frame, EINVAL); + return 0; +} + +int32_t +ta_zerofill(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset, + off_t len, dict_t *xdata) +{ + TA_FAILED_FOP(zerofill, frame, EINVAL); + return 0; +} + +int32_t +ta_seek(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset, + gf_seek_what_t what, dict_t *xdata) +{ + TA_FAILED_FOP(seek, frame, EINVAL); + return 0; +} + +int32_t +mem_acct_init(xlator_t *this) +{ + int ret = -1; + + ret = xlator_mem_acct_init(this, gf_ta_mt_end + 1); + if (ret) + gf_log(this->name, GF_LOG_ERROR, + "Memory accounting " + "initialization failed."); + return ret; +} + +int +reconfigure(xlator_t *this, dict_t *options) +{ + return 0; +} + +int32_t +init(xlator_t *this) +{ + if (!this->children || this->children->next) { + gf_log(this->name, GF_LOG_ERROR, + "'thin_arbiter' not configured with exactly one child"); + return -1; + } + + if (!this->parents) { + gf_log(this->name, GF_LOG_ERROR, "dangling volume. check volfile "); + } + return 0; +} + +void +fini(xlator_t *this) +{ + return; +} + +struct xlator_fops fops = { + /*Passed fop*/ + .xattrop = ta_xattrop, + .fxattrop = ta_fxattrop, + /*Failed fop*/ + .writev = ta_writev, + .stat = ta_stat, + .fstat = ta_fstat, + .truncate = ta_truncate, + .ftruncate = ta_ftruncate, + .access = ta_access, + .readlink = ta_readlink, + .mknod = ta_mknod, + .mkdir = ta_mkdir, + .unlink = ta_unlink, + .rmdir = ta_rmdir, + .symlink = ta_symlink, + .rename = ta_rename, + .link = ta_link, + .open = ta_open, + .readv = ta_readv, + .flush = ta_flush, + .fsync = ta_fsync, + .opendir = ta_opendir, + .readdir = ta_readdir, + .readdirp = ta_readdirp, + .fsyncdir = ta_fsyncdir, + .statfs = ta_statfs, + .setxattr = ta_setxattr, + .getxattr = ta_getxattr, + .fsetxattr = ta_fsetxattr, + .fgetxattr = ta_fgetxattr, + .removexattr = ta_removexattr, + .fremovexattr = ta_fremovexattr, + .lk = ta_lk, + .entrylk = ta_entrylk, + .fentrylk = ta_fentrylk, + .setattr = ta_setattr, + .fsetattr = ta_fsetattr, + .fallocate = ta_fallocate, + .discard = ta_discard, + .zerofill = ta_zerofill, + .seek = ta_seek, +}; + +struct xlator_cbks cbks = {}; + +struct volume_options options[] = { + {.key = {NULL}}, +}; + +xlator_api_t xlator_api = { + .init = init, + .fini = fini, + .reconfigure = reconfigure, + .mem_acct_init = mem_acct_init, + .op_version = {GD_OP_VERSION_6_0}, + .fops = &fops, + .cbks = &cbks, + .options = options, + .identifier = "thin-arbiter", + .category = GF_MAINTAINED, +}; diff --git a/xlators/features/thin-arbiter/src/thin-arbiter.h b/xlators/features/thin-arbiter/src/thin-arbiter.h new file mode 100644 index 00000000000..e5f914b84bf --- /dev/null +++ b/xlators/features/thin-arbiter/src/thin-arbiter.h @@ -0,0 +1,59 @@ +/* + 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 _THIN_ARBITER_H +#define _THIN_ARBITER_H + +#include <glusterfs/locking.h> +#include <glusterfs/common-utils.h> +#include <glusterfs/glusterfs.h> +#include <glusterfs/xlator.h> +#include <glusterfs/defaults.h> +#include <glusterfs/list.h> + +#define THIN_ARBITER_SOURCE_XATTR "trusted.ta.source" +#define THIN_ARBITER_SOURCE_SIZE 2 + +#define TA_FAILED_FOP(fop, frame, op_errno) \ + do { \ + default_##fop##_failure_cbk(frame, op_errno); \ + } while (0) + +#define TA_STACK_UNWIND(fop, frame, op_ret, op_errno, params...) \ + do { \ + ta_fop_t *__local = NULL; \ + int32_t __op_ret = 0; \ + int32_t __op_errno = 0; \ + \ + __local = frame->local; \ + __op_ret = op_ret; \ + __op_errno = op_errno; \ + if (__local) { \ + ta_release_fop(__local); \ + frame->local = NULL; \ + } \ + STACK_UNWIND_STRICT(fop, frame, __op_ret, __op_errno, params); \ + \ + } while (0) + +struct _ta_fop; +typedef struct _ta_fop ta_fop_t; + +struct _ta_fop { + gf_xattrop_flags_t xattrop_flags; + loc_t loc; + fd_t *fd; + dict_t *dict; + dict_t *brick_xattr; + int32_t on_disk[2]; + int32_t idx; +}; + +#endif /* _THIN_ARBITER_H */ |