diff options
Diffstat (limited to 'xlators/cluster/afr/src/afr-self-heal-common.h')
| -rw-r--r-- | xlators/cluster/afr/src/afr-self-heal-common.h | 141 |
1 files changed, 106 insertions, 35 deletions
diff --git a/xlators/cluster/afr/src/afr-self-heal-common.h b/xlators/cluster/afr/src/afr-self-heal-common.h index 6431feaff..473264776 100644 --- a/xlators/cluster/afr/src/afr-self-heal-common.h +++ b/xlators/cluster/afr/src/afr-self-heal-common.h @@ -1,73 +1,144 @@ /* - Copyright (c) 2008-2010 Gluster, Inc. <http://www.gluster.com> + Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com> This file is part of GlusterFS. - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU Affero General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Affero General Public License for more details. - - You should have received a copy of the GNU Affero General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. + 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 __AFR_SELF_HEAL_COMMON_H__ #define __AFR_SELF_HEAL_COMMON_H__ #define FILE_HAS_HOLES(buf) (((buf)->ia_size) > ((buf)->ia_blocks * 512)) +#define AFR_SH_MIN_PARTICIPANTS 2 typedef enum { - AFR_SELF_HEAL_ENTRY, - AFR_SELF_HEAL_METADATA, - AFR_SELF_HEAL_DATA, -} afr_self_heal_type; + AFR_LOOKUP_FAIL_CONFLICTS = 1, + AFR_LOOKUP_FAIL_MISSING_GFIDS = 2, +} afr_lookup_flags_t; int afr_sh_select_source (int sources[], int child_count); int -afr_sh_sink_count (int sources[], int child_count); - -int afr_sh_source_count (int sources[], int child_count); -int -afr_sh_supress_errenous_children (int sources[], int child_errno[], - int child_count); - void afr_sh_print_pending_matrix (int32_t *pending_matrix[], xlator_t *this); void -afr_sh_build_pending_matrix (afr_private_t *priv, - int32_t *pending_matrix[], dict_t *xattr[], - int child_count, afr_transaction_type type); +afr_sh_print_split_brain_log (int32_t *pending_matrix[], xlator_t *this, + const char *loc); + +int +afr_build_pending_matrix (char **pending_key, int32_t **pending_matrix, + unsigned char *ignorant_subvols, + dict_t *xattr[], afr_transaction_type type, + size_t child_count); void afr_sh_pending_to_delta (afr_private_t *priv, dict_t **xattr, - int32_t *delta_matrix[], int success[], + int32_t *delta_matrix[], unsigned char success[], int child_count, afr_transaction_type type); int -afr_sh_mark_sources (afr_self_heal_t *sh, int child_count, - afr_self_heal_type type); +afr_mark_sources (xlator_t *this, int32_t *sources, int32_t **pending_matrix, + struct iatt *bufs, afr_self_heal_type type, + int32_t *success_children, int32_t *subvol_status); int -afr_sh_delta_to_xattr (afr_private_t *priv, +afr_sh_delta_to_xattr (xlator_t *this, int32_t *delta_matrix[], dict_t *xattr[], int child_count, afr_transaction_type type); -int -afr_sh_is_matrix_zero (int32_t *pending_matrix[], int child_count); - void afr_self_heal_type_str_get (afr_self_heal_t *self_heal_p, char *str, size_t size); +afr_self_heal_type +afr_self_heal_type_for_transaction (afr_transaction_type type); + +int +afr_build_sources (xlator_t *this, dict_t **xattr, struct iatt *bufs, + int32_t **pending_matrix, int32_t *sources, + int32_t *success_children, afr_transaction_type type, + int32_t *subvol_status, gf_boolean_t ignore_ignorant); +void +afr_sh_common_reset (afr_self_heal_t *sh, unsigned int child_count); + +void +afr_sh_common_lookup_resp_handler (call_frame_t *frame, void *cookie, + xlator_t *this, + int32_t op_ret, int32_t op_errno, + inode_t *inode, struct iatt *buf, + dict_t *xattr, struct iatt *postparent, + loc_t *loc); + +int +afr_sh_common_lookup (call_frame_t *frame, xlator_t *this, loc_t *loc, + afr_lookup_done_cbk_t lookup_cbk, uuid_t uuid, + int32_t flags, dict_t *xdata); +int +afr_sh_entry_expunge_remove (call_frame_t *expunge_frame, xlator_t *this, + int active_src, struct iatt *buf, + struct iatt *parentbuf); +int +afr_sh_entrylk (call_frame_t *frame, xlator_t *this, loc_t *loc, + char *base_name, afr_lock_cbk_t lock_cbk); +int +afr_sh_entry_impunge_create (call_frame_t *impunge_frame, xlator_t *this, + int child_index); +int +afr_sh_data_unlock (call_frame_t *frame, xlator_t *this, char *dom, + afr_lock_cbk_t lock_cbk); +afr_local_t * +afr_self_heal_local_init (afr_local_t *l, xlator_t *this); +int +afr_sh_data_lock (call_frame_t *frame, xlator_t *this, + off_t start, off_t len, gf_boolean_t block, char *dom, + afr_lock_cbk_t success_handler, + afr_lock_cbk_t failure_handler); +void +afr_sh_set_error (afr_self_heal_t *sh, int32_t op_errno); +void +afr_sh_mark_source_sinks (call_frame_t *frame, xlator_t *this); +typedef int +(*afr_fxattrop_cbk_t) (call_frame_t *frame, void *cookie, + xlator_t *this, int32_t op_ret, int32_t op_errno, + dict_t *xattr, dict_t *xdata); +int +afr_build_child_loc (xlator_t *this, loc_t *child, loc_t *parent, char *name); +int +afr_impunge_frame_create (call_frame_t *frame, xlator_t *this, + int active_source, call_frame_t **impunge_frame); +void +afr_sh_reset (call_frame_t *frame, xlator_t *this); + +void +afr_children_intersection_get (int32_t *set1, int32_t *set2, + int *intersection, unsigned int child_count); +int +afr_get_no_xattr_dir_read_child (xlator_t *this, int32_t *success_children, + struct iatt *bufs); +int +afr_sh_erase_pending (call_frame_t *frame, xlator_t *this, + afr_transaction_type type, afr_fxattrop_cbk_t cbk, + int (*finish)(call_frame_t *frame, xlator_t *this)); + +void +afr_set_local_for_unhealable (afr_local_t *local); + +int +is_self_heal_failed (afr_self_heal_t *sh, afr_sh_fail_check_type type); + +void +afr_set_self_heal_status (afr_self_heal_t *sh, afr_self_heal_status status); + +void +afr_log_self_heal_completion_status (afr_local_t *local, gf_loglevel_t logl); + +char* +afr_get_pending_matrix_str (int32_t *pending_matrix[], xlator_t *this); #endif /* __AFR_SELF_HEAL_COMMON_H__ */ |