Add new IOCTL compat shims for ABI breakage caused by r296510:

MFV r296505: 6531 Provide mechanism to artificially limit disk performance
This commit is contained in:
Alexander Motin 2016-03-09 11:16:15 +00:00
parent 86a9058b01
commit 7370229e8d
3 changed files with 437 additions and 136 deletions

View File

@ -54,8 +54,69 @@ zfs_cmd_compat_get(zfs_cmd_t *zc, caddr_t addr, const int cflag)
zfs_cmd_deadman_t *zcdm_c;
zfs_cmd_zcmd_t *zcmd_c;
zfs_cmd_edbp_t *edbp_c;
zfs_cmd_resume_t *resume_c;
switch (cflag) {
case ZFS_CMD_COMPAT_RESUME:
resume_c = (void *)addr;
/* zc */
strlcpy(zc->zc_name, resume_c->zc_name, MAXPATHLEN);
strlcpy(zc->zc_value, resume_c->zc_value, MAXPATHLEN * 2);
strlcpy(zc->zc_string, resume_c->zc_string, MAXPATHLEN);
#define FIELD_COPY(field) zc->field = resume_c->field
FIELD_COPY(zc_nvlist_src);
FIELD_COPY(zc_nvlist_src_size);
FIELD_COPY(zc_nvlist_dst);
FIELD_COPY(zc_nvlist_dst_size);
FIELD_COPY(zc_nvlist_dst_filled);
FIELD_COPY(zc_pad2);
FIELD_COPY(zc_history);
FIELD_COPY(zc_guid);
FIELD_COPY(zc_nvlist_conf);
FIELD_COPY(zc_nvlist_conf_size);
FIELD_COPY(zc_cookie);
FIELD_COPY(zc_objset_type);
FIELD_COPY(zc_perm_action);
FIELD_COPY(zc_history_len);
FIELD_COPY(zc_history_offset);
FIELD_COPY(zc_obj);
FIELD_COPY(zc_iflags);
FIELD_COPY(zc_share);
FIELD_COPY(zc_jailid);
FIELD_COPY(zc_objset_stats);
FIELD_COPY(zc_begin_record);
FIELD_COPY(zc_inject_record.zi_objset);
FIELD_COPY(zc_inject_record.zi_object);
FIELD_COPY(zc_inject_record.zi_start);
FIELD_COPY(zc_inject_record.zi_end);
FIELD_COPY(zc_inject_record.zi_guid);
FIELD_COPY(zc_inject_record.zi_level);
FIELD_COPY(zc_inject_record.zi_error);
FIELD_COPY(zc_inject_record.zi_type);
FIELD_COPY(zc_inject_record.zi_freq);
FIELD_COPY(zc_inject_record.zi_failfast);
strlcpy(zc->zc_inject_record.zi_func,
resume_c->zc_inject_record.zi_func, MAXNAMELEN);
FIELD_COPY(zc_inject_record.zi_iotype);
FIELD_COPY(zc_inject_record.zi_duration);
FIELD_COPY(zc_inject_record.zi_timer);
zc->zc_inject_record.zi_nlanes = 1;
FIELD_COPY(zc_inject_record.zi_cmd);
FIELD_COPY(zc_inject_record.zi_pad);
FIELD_COPY(zc_defer_destroy);
FIELD_COPY(zc_flags);
FIELD_COPY(zc_action_handle);
FIELD_COPY(zc_cleanup_fd);
FIELD_COPY(zc_simple);
FIELD_COPY(zc_resumable);
FIELD_COPY(zc_sendobj);
FIELD_COPY(zc_fromobj);
FIELD_COPY(zc_createtxg);
FIELD_COPY(zc_stat);
#undef FIELD_COPY
break;
case ZFS_CMD_COMPAT_EDBP:
edbp_c = (void *)addr;
/* zc */
@ -63,40 +124,57 @@ zfs_cmd_compat_get(zfs_cmd_t *zc, caddr_t addr, const int cflag)
strlcpy(zc->zc_value, edbp_c->zc_value, MAXPATHLEN * 2);
strlcpy(zc->zc_string, edbp_c->zc_string, MAXPATHLEN);
#define ZCMD_COPY(field) zc->field = edbp_c->field
ZCMD_COPY(zc_nvlist_src);
ZCMD_COPY(zc_nvlist_src_size);
ZCMD_COPY(zc_nvlist_dst);
ZCMD_COPY(zc_nvlist_dst_size);
ZCMD_COPY(zc_nvlist_dst_filled);
ZCMD_COPY(zc_pad2);
ZCMD_COPY(zc_history);
ZCMD_COPY(zc_guid);
ZCMD_COPY(zc_nvlist_conf);
ZCMD_COPY(zc_nvlist_conf_size);
ZCMD_COPY(zc_cookie);
ZCMD_COPY(zc_objset_type);
ZCMD_COPY(zc_perm_action);
ZCMD_COPY(zc_history_len);
ZCMD_COPY(zc_history_offset);
ZCMD_COPY(zc_obj);
ZCMD_COPY(zc_iflags);
ZCMD_COPY(zc_share);
ZCMD_COPY(zc_jailid);
ZCMD_COPY(zc_objset_stats);
#define FIELD_COPY(field) zc->field = edbp_c->field
FIELD_COPY(zc_nvlist_src);
FIELD_COPY(zc_nvlist_src_size);
FIELD_COPY(zc_nvlist_dst);
FIELD_COPY(zc_nvlist_dst_size);
FIELD_COPY(zc_nvlist_dst_filled);
FIELD_COPY(zc_pad2);
FIELD_COPY(zc_history);
FIELD_COPY(zc_guid);
FIELD_COPY(zc_nvlist_conf);
FIELD_COPY(zc_nvlist_conf_size);
FIELD_COPY(zc_cookie);
FIELD_COPY(zc_objset_type);
FIELD_COPY(zc_perm_action);
FIELD_COPY(zc_history_len);
FIELD_COPY(zc_history_offset);
FIELD_COPY(zc_obj);
FIELD_COPY(zc_iflags);
FIELD_COPY(zc_share);
FIELD_COPY(zc_jailid);
FIELD_COPY(zc_objset_stats);
zc->zc_begin_record.drr_u.drr_begin = edbp_c->zc_begin_record;
ZCMD_COPY(zc_inject_record);
ZCMD_COPY(zc_defer_destroy);
ZCMD_COPY(zc_flags);
ZCMD_COPY(zc_action_handle);
ZCMD_COPY(zc_cleanup_fd);
ZCMD_COPY(zc_simple);
FIELD_COPY(zc_inject_record.zi_objset);
FIELD_COPY(zc_inject_record.zi_object);
FIELD_COPY(zc_inject_record.zi_start);
FIELD_COPY(zc_inject_record.zi_end);
FIELD_COPY(zc_inject_record.zi_guid);
FIELD_COPY(zc_inject_record.zi_level);
FIELD_COPY(zc_inject_record.zi_error);
FIELD_COPY(zc_inject_record.zi_type);
FIELD_COPY(zc_inject_record.zi_freq);
FIELD_COPY(zc_inject_record.zi_failfast);
strlcpy(zc->zc_inject_record.zi_func,
edbp_c->zc_inject_record.zi_func, MAXNAMELEN);
FIELD_COPY(zc_inject_record.zi_iotype);
FIELD_COPY(zc_inject_record.zi_duration);
FIELD_COPY(zc_inject_record.zi_timer);
zc->zc_inject_record.zi_nlanes = 1;
FIELD_COPY(zc_inject_record.zi_cmd);
FIELD_COPY(zc_inject_record.zi_pad);
FIELD_COPY(zc_defer_destroy);
FIELD_COPY(zc_flags);
FIELD_COPY(zc_action_handle);
FIELD_COPY(zc_cleanup_fd);
FIELD_COPY(zc_simple);
zc->zc_resumable = B_FALSE;
ZCMD_COPY(zc_sendobj);
ZCMD_COPY(zc_fromobj);
ZCMD_COPY(zc_createtxg);
ZCMD_COPY(zc_stat);
#undef ZCMD_COPY
FIELD_COPY(zc_sendobj);
FIELD_COPY(zc_fromobj);
FIELD_COPY(zc_createtxg);
FIELD_COPY(zc_stat);
#undef FIELD_COPY
break;
case ZFS_CMD_COMPAT_ZCMD:
@ -106,43 +184,60 @@ zfs_cmd_compat_get(zfs_cmd_t *zc, caddr_t addr, const int cflag)
strlcpy(zc->zc_value, zcmd_c->zc_value, MAXPATHLEN * 2);
strlcpy(zc->zc_string, zcmd_c->zc_string, MAXPATHLEN);
#define ZCMD_COPY(field) zc->field = zcmd_c->field
ZCMD_COPY(zc_nvlist_src);
ZCMD_COPY(zc_nvlist_src_size);
ZCMD_COPY(zc_nvlist_dst);
ZCMD_COPY(zc_nvlist_dst_size);
ZCMD_COPY(zc_nvlist_dst_filled);
ZCMD_COPY(zc_pad2);
ZCMD_COPY(zc_history);
ZCMD_COPY(zc_guid);
ZCMD_COPY(zc_nvlist_conf);
ZCMD_COPY(zc_nvlist_conf_size);
ZCMD_COPY(zc_cookie);
ZCMD_COPY(zc_objset_type);
ZCMD_COPY(zc_perm_action);
ZCMD_COPY(zc_history_len);
ZCMD_COPY(zc_history_offset);
ZCMD_COPY(zc_obj);
ZCMD_COPY(zc_iflags);
ZCMD_COPY(zc_share);
ZCMD_COPY(zc_jailid);
ZCMD_COPY(zc_objset_stats);
#define FIELD_COPY(field) zc->field = zcmd_c->field
FIELD_COPY(zc_nvlist_src);
FIELD_COPY(zc_nvlist_src_size);
FIELD_COPY(zc_nvlist_dst);
FIELD_COPY(zc_nvlist_dst_size);
FIELD_COPY(zc_nvlist_dst_filled);
FIELD_COPY(zc_pad2);
FIELD_COPY(zc_history);
FIELD_COPY(zc_guid);
FIELD_COPY(zc_nvlist_conf);
FIELD_COPY(zc_nvlist_conf_size);
FIELD_COPY(zc_cookie);
FIELD_COPY(zc_objset_type);
FIELD_COPY(zc_perm_action);
FIELD_COPY(zc_history_len);
FIELD_COPY(zc_history_offset);
FIELD_COPY(zc_obj);
FIELD_COPY(zc_iflags);
FIELD_COPY(zc_share);
FIELD_COPY(zc_jailid);
FIELD_COPY(zc_objset_stats);
zc->zc_begin_record.drr_u.drr_begin = zcmd_c->zc_begin_record;
ZCMD_COPY(zc_inject_record);
FIELD_COPY(zc_inject_record.zi_objset);
FIELD_COPY(zc_inject_record.zi_object);
FIELD_COPY(zc_inject_record.zi_start);
FIELD_COPY(zc_inject_record.zi_end);
FIELD_COPY(zc_inject_record.zi_guid);
FIELD_COPY(zc_inject_record.zi_level);
FIELD_COPY(zc_inject_record.zi_error);
FIELD_COPY(zc_inject_record.zi_type);
FIELD_COPY(zc_inject_record.zi_freq);
FIELD_COPY(zc_inject_record.zi_failfast);
strlcpy(zc->zc_inject_record.zi_func,
zcmd_c->zc_inject_record.zi_func, MAXNAMELEN);
FIELD_COPY(zc_inject_record.zi_iotype);
FIELD_COPY(zc_inject_record.zi_duration);
FIELD_COPY(zc_inject_record.zi_timer);
zc->zc_inject_record.zi_nlanes = 1;
FIELD_COPY(zc_inject_record.zi_cmd);
FIELD_COPY(zc_inject_record.zi_pad);
/* boolean_t -> uint32_t */
zc->zc_defer_destroy = (uint32_t)(zcmd_c->zc_defer_destroy);
zc->zc_flags = 0;
ZCMD_COPY(zc_action_handle);
ZCMD_COPY(zc_cleanup_fd);
ZCMD_COPY(zc_simple);
FIELD_COPY(zc_action_handle);
FIELD_COPY(zc_cleanup_fd);
FIELD_COPY(zc_simple);
zc->zc_resumable = B_FALSE;
ZCMD_COPY(zc_sendobj);
ZCMD_COPY(zc_fromobj);
ZCMD_COPY(zc_createtxg);
ZCMD_COPY(zc_stat);
#undef ZCMD_COPY
FIELD_COPY(zc_sendobj);
FIELD_COPY(zc_fromobj);
FIELD_COPY(zc_createtxg);
FIELD_COPY(zc_stat);
#undef FIELD_COPY
break;
@ -152,6 +247,8 @@ zfs_cmd_compat_get(zfs_cmd_t *zc, caddr_t addr, const int cflag)
strlcpy(zc->zc_name, zcdm_c->zc_name, MAXPATHLEN);
strlcpy(zc->zc_value, zcdm_c->zc_value, MAXPATHLEN * 2);
strlcpy(zc->zc_string, zcdm_c->zc_string, MAXPATHLEN);
#define FIELD_COPY(field) zc->field = zcdm_c->field
zc->zc_guid = zcdm_c->zc_guid;
zc->zc_nvlist_conf = zcdm_c->zc_nvlist_conf;
zc->zc_nvlist_conf_size = zcdm_c->zc_nvlist_conf_size;
@ -181,12 +278,28 @@ zfs_cmd_compat_get(zfs_cmd_t *zc, caddr_t addr, const int cflag)
zc->zc_fromobj = zcdm_c->zc_fromobj;
zc->zc_createtxg = zcdm_c->zc_createtxg;
zc->zc_stat = zcdm_c->zc_stat;
/* zc_inject_record doesn't change in libzfs_core */
zcdm_c->zc_inject_record = zc->zc_inject_record;
FIELD_COPY(zc_inject_record.zi_objset);
FIELD_COPY(zc_inject_record.zi_object);
FIELD_COPY(zc_inject_record.zi_start);
FIELD_COPY(zc_inject_record.zi_end);
FIELD_COPY(zc_inject_record.zi_guid);
FIELD_COPY(zc_inject_record.zi_level);
FIELD_COPY(zc_inject_record.zi_error);
FIELD_COPY(zc_inject_record.zi_type);
FIELD_COPY(zc_inject_record.zi_freq);
FIELD_COPY(zc_inject_record.zi_failfast);
strlcpy(zc->zc_inject_record.zi_func,
resume_c->zc_inject_record.zi_func, MAXNAMELEN);
FIELD_COPY(zc_inject_record.zi_iotype);
FIELD_COPY(zc_inject_record.zi_duration);
FIELD_COPY(zc_inject_record.zi_timer);
zc->zc_inject_record.zi_nlanes = 1;
FIELD_COPY(zc_inject_record.zi_cmd);
FIELD_COPY(zc_inject_record.zi_pad);
/* we always assume zc_nvlist_dst_filled is true */
zc->zc_nvlist_dst_filled = B_TRUE;
#undef FIELD_COPY
break;
case ZFS_CMD_COMPAT_V28:
@ -255,6 +368,7 @@ zfs_cmd_compat_get(zfs_cmd_t *zc, caddr_t addr, const int cflag)
zc28_c->zc_inject_record.zi_duration;
zc->zc_inject_record.zi_timer =
zc28_c->zc_inject_record.zi_timer;
zc->zc_inject_record.zi_nlanes = 1;
zc->zc_inject_record.zi_cmd = ZINJECT_UNINITIALIZED;
zc->zc_inject_record.zi_pad = 0;
break;
@ -319,47 +433,121 @@ zfs_cmd_compat_put(zfs_cmd_t *zc, caddr_t addr, const int request,
zfs_cmd_deadman_t *zcdm_c;
zfs_cmd_zcmd_t *zcmd_c;
zfs_cmd_edbp_t *edbp_c;
zfs_cmd_resume_t *resume_c;
switch (cflag) {
case ZFS_CMD_COMPAT_RESUME:
resume_c = (void *)addr;
strlcpy(resume_c->zc_name, zc->zc_name, MAXPATHLEN);
strlcpy(resume_c->zc_value, zc->zc_value, MAXPATHLEN * 2);
strlcpy(resume_c->zc_string, zc->zc_string, MAXPATHLEN);
#define FIELD_COPY(field) resume_c->field = zc->field
FIELD_COPY(zc_nvlist_src);
FIELD_COPY(zc_nvlist_src_size);
FIELD_COPY(zc_nvlist_dst);
FIELD_COPY(zc_nvlist_dst_size);
FIELD_COPY(zc_nvlist_dst_filled);
FIELD_COPY(zc_pad2);
FIELD_COPY(zc_history);
FIELD_COPY(zc_guid);
FIELD_COPY(zc_nvlist_conf);
FIELD_COPY(zc_nvlist_conf_size);
FIELD_COPY(zc_cookie);
FIELD_COPY(zc_objset_type);
FIELD_COPY(zc_perm_action);
FIELD_COPY(zc_history_len);
FIELD_COPY(zc_history_offset);
FIELD_COPY(zc_obj);
FIELD_COPY(zc_iflags);
FIELD_COPY(zc_share);
FIELD_COPY(zc_jailid);
FIELD_COPY(zc_objset_stats);
FIELD_COPY(zc_begin_record);
FIELD_COPY(zc_inject_record.zi_objset);
FIELD_COPY(zc_inject_record.zi_object);
FIELD_COPY(zc_inject_record.zi_start);
FIELD_COPY(zc_inject_record.zi_end);
FIELD_COPY(zc_inject_record.zi_guid);
FIELD_COPY(zc_inject_record.zi_level);
FIELD_COPY(zc_inject_record.zi_error);
FIELD_COPY(zc_inject_record.zi_type);
FIELD_COPY(zc_inject_record.zi_freq);
FIELD_COPY(zc_inject_record.zi_failfast);
strlcpy(resume_c->zc_inject_record.zi_func,
zc->zc_inject_record.zi_func, MAXNAMELEN);
FIELD_COPY(zc_inject_record.zi_iotype);
FIELD_COPY(zc_inject_record.zi_duration);
FIELD_COPY(zc_inject_record.zi_timer);
FIELD_COPY(zc_inject_record.zi_cmd);
FIELD_COPY(zc_inject_record.zi_pad);
FIELD_COPY(zc_defer_destroy);
FIELD_COPY(zc_flags);
FIELD_COPY(zc_action_handle);
FIELD_COPY(zc_cleanup_fd);
FIELD_COPY(zc_simple);
FIELD_COPY(zc_sendobj);
FIELD_COPY(zc_fromobj);
FIELD_COPY(zc_createtxg);
FIELD_COPY(zc_stat);
#undef FIELD_COPY
break;
case ZFS_CMD_COMPAT_EDBP:
edbp_c = (void *)addr;
strlcpy(edbp_c->zc_name, zc->zc_name, MAXPATHLEN);
strlcpy(edbp_c->zc_value, zc->zc_value, MAXPATHLEN * 2);
strlcpy(edbp_c->zc_string, zc->zc_string, MAXPATHLEN);
#define ZCMD_COPY(field) edbp_c->field = zc->field
ZCMD_COPY(zc_nvlist_src);
ZCMD_COPY(zc_nvlist_src_size);
ZCMD_COPY(zc_nvlist_dst);
ZCMD_COPY(zc_nvlist_dst_size);
ZCMD_COPY(zc_nvlist_dst_filled);
ZCMD_COPY(zc_pad2);
ZCMD_COPY(zc_history);
ZCMD_COPY(zc_guid);
ZCMD_COPY(zc_nvlist_conf);
ZCMD_COPY(zc_nvlist_conf_size);
ZCMD_COPY(zc_cookie);
ZCMD_COPY(zc_objset_type);
ZCMD_COPY(zc_perm_action);
ZCMD_COPY(zc_history_len);
ZCMD_COPY(zc_history_offset);
ZCMD_COPY(zc_obj);
ZCMD_COPY(zc_iflags);
ZCMD_COPY(zc_share);
ZCMD_COPY(zc_jailid);
ZCMD_COPY(zc_objset_stats);
#define FIELD_COPY(field) edbp_c->field = zc->field
FIELD_COPY(zc_nvlist_src);
FIELD_COPY(zc_nvlist_src_size);
FIELD_COPY(zc_nvlist_dst);
FIELD_COPY(zc_nvlist_dst_size);
FIELD_COPY(zc_nvlist_dst_filled);
FIELD_COPY(zc_pad2);
FIELD_COPY(zc_history);
FIELD_COPY(zc_guid);
FIELD_COPY(zc_nvlist_conf);
FIELD_COPY(zc_nvlist_conf_size);
FIELD_COPY(zc_cookie);
FIELD_COPY(zc_objset_type);
FIELD_COPY(zc_perm_action);
FIELD_COPY(zc_history_len);
FIELD_COPY(zc_history_offset);
FIELD_COPY(zc_obj);
FIELD_COPY(zc_iflags);
FIELD_COPY(zc_share);
FIELD_COPY(zc_jailid);
FIELD_COPY(zc_objset_stats);
edbp_c->zc_begin_record = zc->zc_begin_record.drr_u.drr_begin;
ZCMD_COPY(zc_inject_record);
ZCMD_COPY(zc_defer_destroy);
ZCMD_COPY(zc_flags);
ZCMD_COPY(zc_action_handle);
ZCMD_COPY(zc_cleanup_fd);
ZCMD_COPY(zc_simple);
ZCMD_COPY(zc_sendobj);
ZCMD_COPY(zc_fromobj);
ZCMD_COPY(zc_createtxg);
ZCMD_COPY(zc_stat);
#undef ZCMD_COPY
FIELD_COPY(zc_inject_record.zi_objset);
FIELD_COPY(zc_inject_record.zi_object);
FIELD_COPY(zc_inject_record.zi_start);
FIELD_COPY(zc_inject_record.zi_end);
FIELD_COPY(zc_inject_record.zi_guid);
FIELD_COPY(zc_inject_record.zi_level);
FIELD_COPY(zc_inject_record.zi_error);
FIELD_COPY(zc_inject_record.zi_type);
FIELD_COPY(zc_inject_record.zi_freq);
FIELD_COPY(zc_inject_record.zi_failfast);
strlcpy(resume_c->zc_inject_record.zi_func,
zc->zc_inject_record.zi_func, MAXNAMELEN);
FIELD_COPY(zc_inject_record.zi_iotype);
FIELD_COPY(zc_inject_record.zi_duration);
FIELD_COPY(zc_inject_record.zi_timer);
FIELD_COPY(zc_inject_record.zi_cmd);
FIELD_COPY(zc_inject_record.zi_pad);
FIELD_COPY(zc_defer_destroy);
FIELD_COPY(zc_flags);
FIELD_COPY(zc_action_handle);
FIELD_COPY(zc_cleanup_fd);
FIELD_COPY(zc_simple);
FIELD_COPY(zc_sendobj);
FIELD_COPY(zc_fromobj);
FIELD_COPY(zc_createtxg);
FIELD_COPY(zc_stat);
#undef FIELD_COPY
break;
case ZFS_CMD_COMPAT_ZCMD:
@ -369,42 +557,58 @@ zfs_cmd_compat_put(zfs_cmd_t *zc, caddr_t addr, const int request,
strlcpy(zcmd_c->zc_value, zc->zc_value, MAXPATHLEN * 2);
strlcpy(zcmd_c->zc_string, zc->zc_string, MAXPATHLEN);
#define ZCMD_COPY(field) zcmd_c->field = zc->field
ZCMD_COPY(zc_nvlist_src);
ZCMD_COPY(zc_nvlist_src_size);
ZCMD_COPY(zc_nvlist_dst);
ZCMD_COPY(zc_nvlist_dst_size);
ZCMD_COPY(zc_nvlist_dst_filled);
ZCMD_COPY(zc_pad2);
ZCMD_COPY(zc_history);
ZCMD_COPY(zc_guid);
ZCMD_COPY(zc_nvlist_conf);
ZCMD_COPY(zc_nvlist_conf_size);
ZCMD_COPY(zc_cookie);
ZCMD_COPY(zc_objset_type);
ZCMD_COPY(zc_perm_action);
ZCMD_COPY(zc_history_len);
ZCMD_COPY(zc_history_offset);
ZCMD_COPY(zc_obj);
ZCMD_COPY(zc_iflags);
ZCMD_COPY(zc_share);
ZCMD_COPY(zc_jailid);
ZCMD_COPY(zc_objset_stats);
#define FIELD_COPY(field) zcmd_c->field = zc->field
FIELD_COPY(zc_nvlist_src);
FIELD_COPY(zc_nvlist_src_size);
FIELD_COPY(zc_nvlist_dst);
FIELD_COPY(zc_nvlist_dst_size);
FIELD_COPY(zc_nvlist_dst_filled);
FIELD_COPY(zc_pad2);
FIELD_COPY(zc_history);
FIELD_COPY(zc_guid);
FIELD_COPY(zc_nvlist_conf);
FIELD_COPY(zc_nvlist_conf_size);
FIELD_COPY(zc_cookie);
FIELD_COPY(zc_objset_type);
FIELD_COPY(zc_perm_action);
FIELD_COPY(zc_history_len);
FIELD_COPY(zc_history_offset);
FIELD_COPY(zc_obj);
FIELD_COPY(zc_iflags);
FIELD_COPY(zc_share);
FIELD_COPY(zc_jailid);
FIELD_COPY(zc_objset_stats);
zcmd_c->zc_begin_record = zc->zc_begin_record.drr_u.drr_begin;
ZCMD_COPY(zc_inject_record);
FIELD_COPY(zc_inject_record.zi_objset);
FIELD_COPY(zc_inject_record.zi_object);
FIELD_COPY(zc_inject_record.zi_start);
FIELD_COPY(zc_inject_record.zi_end);
FIELD_COPY(zc_inject_record.zi_guid);
FIELD_COPY(zc_inject_record.zi_level);
FIELD_COPY(zc_inject_record.zi_error);
FIELD_COPY(zc_inject_record.zi_type);
FIELD_COPY(zc_inject_record.zi_freq);
FIELD_COPY(zc_inject_record.zi_failfast);
strlcpy(resume_c->zc_inject_record.zi_func,
zc->zc_inject_record.zi_func, MAXNAMELEN);
FIELD_COPY(zc_inject_record.zi_iotype);
FIELD_COPY(zc_inject_record.zi_duration);
FIELD_COPY(zc_inject_record.zi_timer);
FIELD_COPY(zc_inject_record.zi_cmd);
FIELD_COPY(zc_inject_record.zi_pad);
/* boolean_t -> uint32_t */
zcmd_c->zc_defer_destroy = (uint32_t)(zc->zc_defer_destroy);
zcmd_c->zc_temphold = 0;
ZCMD_COPY(zc_action_handle);
ZCMD_COPY(zc_cleanup_fd);
ZCMD_COPY(zc_simple);
ZCMD_COPY(zc_sendobj);
ZCMD_COPY(zc_fromobj);
ZCMD_COPY(zc_createtxg);
ZCMD_COPY(zc_stat);
#undef ZCMD_COPY
FIELD_COPY(zc_action_handle);
FIELD_COPY(zc_cleanup_fd);
FIELD_COPY(zc_simple);
FIELD_COPY(zc_sendobj);
FIELD_COPY(zc_fromobj);
FIELD_COPY(zc_createtxg);
FIELD_COPY(zc_stat);
#undef FIELD_COPY
break;
@ -414,6 +618,8 @@ zfs_cmd_compat_put(zfs_cmd_t *zc, caddr_t addr, const int request,
strlcpy(zcdm_c->zc_name, zc->zc_name, MAXPATHLEN);
strlcpy(zcdm_c->zc_value, zc->zc_value, MAXPATHLEN * 2);
strlcpy(zcdm_c->zc_string, zc->zc_string, MAXPATHLEN);
#define FIELD_COPY(field) zcdm_c->field = zc->field
zcdm_c->zc_guid = zc->zc_guid;
zcdm_c->zc_nvlist_conf = zc->zc_nvlist_conf;
zcdm_c->zc_nvlist_conf_size = zc->zc_nvlist_conf_size;
@ -442,9 +648,24 @@ zfs_cmd_compat_put(zfs_cmd_t *zc, caddr_t addr, const int request,
zcdm_c->zc_fromobj = zc->zc_fromobj;
zcdm_c->zc_createtxg = zc->zc_createtxg;
zcdm_c->zc_stat = zc->zc_stat;
/* zc_inject_record doesn't change in libzfs_core */
zc->zc_inject_record = zcdm_c->zc_inject_record;
FIELD_COPY(zc_inject_record.zi_objset);
FIELD_COPY(zc_inject_record.zi_object);
FIELD_COPY(zc_inject_record.zi_start);
FIELD_COPY(zc_inject_record.zi_end);
FIELD_COPY(zc_inject_record.zi_guid);
FIELD_COPY(zc_inject_record.zi_level);
FIELD_COPY(zc_inject_record.zi_error);
FIELD_COPY(zc_inject_record.zi_type);
FIELD_COPY(zc_inject_record.zi_freq);
FIELD_COPY(zc_inject_record.zi_failfast);
strlcpy(resume_c->zc_inject_record.zi_func,
zc->zc_inject_record.zi_func, MAXNAMELEN);
FIELD_COPY(zc_inject_record.zi_iotype);
FIELD_COPY(zc_inject_record.zi_duration);
FIELD_COPY(zc_inject_record.zi_timer);
FIELD_COPY(zc_inject_record.zi_cmd);
FIELD_COPY(zc_inject_record.zi_pad);
#undef FIELD_COPY
#ifndef _KERNEL
if (request == ZFS_IOC_RECV)
strlcpy(zcdm_c->zc_top_ds,
@ -766,6 +987,12 @@ zcmd_ioctl_compat(int fd, int request, zfs_cmd_t *zc, const int cflag)
zp.zfs_cmd_size = sizeof(zfs_cmd_t);
zp.zfs_ioctl_version = ZFS_IOCVER_CURRENT;
return (ioctl(fd, ncmd, &zp));
case ZFS_CMD_COMPAT_RESUME:
ncmd = _IOWR('Z', request, struct zfs_iocparm);
zp.zfs_cmd = (uint64_t)zc;
zp.zfs_cmd_size = sizeof(zfs_cmd_resume_t);
zp.zfs_ioctl_version = ZFS_IOCVER_RESUME;
return (ioctl(fd, ncmd, &zp));
case ZFS_CMD_COMPAT_EDBP:
ncmd = _IOWR('Z', request, struct zfs_iocparm);
zp.zfs_cmd = (uint64_t)zc;
@ -876,7 +1103,8 @@ zfs_ioctl_compat_innvl(zfs_cmd_t *zc, nvlist_t * innvl, const int vec,
int err;
if (cflag == ZFS_CMD_COMPAT_NONE || cflag == ZFS_CMD_COMPAT_LZC ||
cflag == ZFS_CMD_COMPAT_ZCMD || cflag == ZFS_CMD_COMPAT_EDBP)
cflag == ZFS_CMD_COMPAT_ZCMD || cflag == ZFS_CMD_COMPAT_EDBP ||
cflag == ZFS_CMD_COMPAT_RESUME)
goto out;
switch (vec) {
@ -1028,7 +1256,8 @@ zfs_ioctl_compat_outnvl(zfs_cmd_t *zc, nvlist_t * outnvl, const int vec,
nvlist_t *tmpnvl;
if (cflag == ZFS_CMD_COMPAT_NONE || cflag == ZFS_CMD_COMPAT_LZC ||
cflag == ZFS_CMD_COMPAT_ZCMD || cflag == ZFS_CMD_COMPAT_EDBP)
cflag == ZFS_CMD_COMPAT_ZCMD || cflag == ZFS_CMD_COMPAT_EDBP ||
cflag == ZFS_CMD_COMPAT_RESUME)
return (outnvl);
switch (vec) {

View File

@ -53,7 +53,8 @@ extern "C" {
#define ZFS_IOCVER_ZCMD 3
#define ZFS_IOCVER_EDBP 4
#define ZFS_IOCVER_RESUME 5
#define ZFS_IOCVER_CURRENT ZFS_IOCVER_RESUME
#define ZFS_IOCVER_INLANES 6
#define ZFS_IOCVER_CURRENT ZFS_IOCVER_INLANES
/* compatibility conversion flag */
#define ZFS_CMD_COMPAT_NONE 0
@ -63,6 +64,7 @@ extern "C" {
#define ZFS_CMD_COMPAT_LZC 4
#define ZFS_CMD_COMPAT_ZCMD 5
#define ZFS_CMD_COMPAT_EDBP 6
#define ZFS_CMD_COMPAT_RESUME 7
#define ZFS_IOC_COMPAT_PASS 254
#define ZFS_IOC_COMPAT_FAIL 255
@ -167,6 +169,25 @@ typedef struct zfs_cmd_v28 {
zfs_stat_t zc_stat;
} zfs_cmd_v28_t;
typedef struct zinject_record_deadman {
uint64_t zi_objset;
uint64_t zi_object;
uint64_t zi_start;
uint64_t zi_end;
uint64_t zi_guid;
uint32_t zi_level;
uint32_t zi_error;
uint64_t zi_type;
uint32_t zi_freq;
uint32_t zi_failfast;
char zi_func[MAXNAMELEN];
uint32_t zi_iotype;
int32_t zi_duration;
uint64_t zi_timer;
uint32_t zi_cmd;
uint32_t zi_pad;
} zinject_record_deadman_t;
typedef struct zfs_cmd_deadman {
char zc_name[MAXPATHLEN];
char zc_value[MAXPATHLEN * 2];
@ -192,7 +213,7 @@ typedef struct zfs_cmd_deadman {
dmu_objset_stats_t zc_objset_stats;
struct drr_begin zc_begin_record;
/* zc_inject_record doesn't change in libzfs_core */
zinject_record_t zc_inject_record;
zinject_record_deadman_t zc_inject_record;
boolean_t zc_defer_destroy;
boolean_t zc_temphold;
uint64_t zc_action_handle;
@ -235,7 +256,7 @@ typedef struct zfs_cmd_zcmd {
uint64_t zc_jailid;
dmu_objset_stats_t zc_objset_stats;
struct drr_begin zc_begin_record;
zinject_record_t zc_inject_record;
zinject_record_deadman_t zc_inject_record;
boolean_t zc_defer_destroy;
boolean_t zc_temphold;
uint64_t zc_action_handle;
@ -278,7 +299,7 @@ typedef struct zfs_cmd_edbp {
uint64_t zc_jailid;
dmu_objset_stats_t zc_objset_stats;
struct drr_begin zc_begin_record;
zinject_record_t zc_inject_record;
zinject_record_deadman_t zc_inject_record;
uint32_t zc_defer_destroy;
uint32_t zc_flags;
uint64_t zc_action_handle;
@ -291,6 +312,49 @@ typedef struct zfs_cmd_edbp {
zfs_stat_t zc_stat;
} zfs_cmd_edbp_t;
typedef struct zfs_cmd_resume {
char zc_name[MAXPATHLEN]; /* name of pool or dataset */
uint64_t zc_nvlist_src; /* really (char *) */
uint64_t zc_nvlist_src_size;
uint64_t zc_nvlist_dst; /* really (char *) */
uint64_t zc_nvlist_dst_size;
boolean_t zc_nvlist_dst_filled; /* put an nvlist in dst? */
int zc_pad2;
/*
* The following members are for legacy ioctls which haven't been
* converted to the new method.
*/
uint64_t zc_history; /* really (char *) */
char zc_value[MAXPATHLEN * 2];
char zc_string[MAXNAMELEN];
uint64_t zc_guid;
uint64_t zc_nvlist_conf; /* really (char *) */
uint64_t zc_nvlist_conf_size;
uint64_t zc_cookie;
uint64_t zc_objset_type;
uint64_t zc_perm_action;
uint64_t zc_history_len;
uint64_t zc_history_offset;
uint64_t zc_obj;
uint64_t zc_iflags; /* internal to zfs(7fs) */
zfs_share_t zc_share;
uint64_t zc_jailid;
dmu_objset_stats_t zc_objset_stats;
dmu_replay_record_t zc_begin_record;
zinject_record_deadman_t zc_inject_record;
uint32_t zc_defer_destroy;
uint32_t zc_flags;
uint64_t zc_action_handle;
int zc_cleanup_fd;
uint8_t zc_simple;
boolean_t zc_resumable;
uint64_t zc_sendobj;
uint64_t zc_fromobj;
uint64_t zc_createtxg;
zfs_stat_t zc_stat;
} zfs_cmd_resume_t;
#ifdef _KERNEL
unsigned static long zfs_ioctl_v15_to_v28[] = {
0, /* 0 ZFS_IOC_POOL_CREATE */

View File

@ -6221,6 +6221,14 @@ zfsdev_ioctl(struct cdev *dev, u_long zcmd, caddr_t arg, int flag,
goto out;
}
break;
case ZFS_IOCVER_RESUME:
if (zc_iocparm->zfs_cmd_size != sizeof(zfs_cmd_resume_t)) {
error = SET_ERROR(EFAULT);
goto out;
}
compat = B_TRUE;
cflag = ZFS_CMD_COMPAT_RESUME;
break;
case ZFS_IOCVER_EDBP:
if (zc_iocparm->zfs_cmd_size != sizeof(zfs_cmd_edbp_t)) {
error = SET_ERROR(EFAULT);