diff options
Diffstat (limited to 'xlators/features/bit-rot/src')
-rw-r--r-- | xlators/features/bit-rot/src/bitd/bit-rot-bitd-messages.h | 82 | ||||
-rw-r--r-- | xlators/features/bit-rot/src/bitd/bit-rot-scrub-status.h | 26 | ||||
-rw-r--r-- | xlators/features/bit-rot/src/bitd/bit-rot-scrub.h | 31 | ||||
-rw-r--r-- | xlators/features/bit-rot/src/bitd/bit-rot-ssm.h | 25 | ||||
-rw-r--r-- | xlators/features/bit-rot/src/bitd/bit-rot.h | 313 | ||||
-rw-r--r-- | xlators/features/bit-rot/src/stub/bit-rot-common.h | 179 | ||||
-rw-r--r-- | xlators/features/bit-rot/src/stub/bit-rot-object-version.h | 12 | ||||
-rw-r--r-- | xlators/features/bit-rot/src/stub/bit-rot-stub-mem-types.h | 32 | ||||
-rw-r--r-- | xlators/features/bit-rot/src/stub/bit-rot-stub-messages.h | 52 | ||||
-rw-r--r-- | xlators/features/bit-rot/src/stub/bit-rot-stub.h | 577 |
10 files changed, 641 insertions, 688 deletions
diff --git a/xlators/features/bit-rot/src/bitd/bit-rot-bitd-messages.h b/xlators/features/bit-rot/src/bitd/bit-rot-bitd-messages.h index 89a67cc10b1..6f59933a31d 100644 --- a/xlators/features/bit-rot/src/bitd/bit-rot-bitd-messages.h +++ b/xlators/features/bit-rot/src/bitd/bit-rot-bitd-messages.h @@ -23,62 +23,30 @@ * glfs-message-id.h. */ -GLFS_MSGID(BITROT_BITD, - BRB_MSG_FD_CREATE_FAILED, - BRB_MSG_READV_FAILED, - BRB_MSG_BLOCK_READ_FAILED, - BRB_MSG_CALC_CHECKSUM_FAILED, - BRB_MSG_NO_MEMORY, - BRB_MSG_GET_SIGN_FAILED, - BRB_MSG_SET_SIGN_FAILED, - BRB_MSG_OP_FAILED, - BRB_MSG_READ_AND_SIGN_FAILED, - BRB_MSG_SIGN_FAILED, - BRB_MSG_GET_SUBVOL_FAILED, - BRB_MSG_SET_TIMER_FAILED, - BRB_MSG_GET_INFO_FAILED, - BRB_MSG_PATH_FAILED, - BRB_MSG_MARK_BAD_FILE, - BRB_MSG_TRIGGER_SIGN, - BRB_MSG_REGISTER_FAILED, - BRB_MSG_CRAWLING_START, - BRB_MSG_SPAWN_FAILED, - BRB_MSG_INVALID_SUBVOL_CHILD, - BRB_MSG_SKIP_OBJECT, - BRB_MSG_NO_CHILD, - BRB_MSG_CHECKSUM_MISMATCH, - BRB_MSG_MARK_CORRUPTED, - BRB_MSG_CRAWLING_FINISH, - BRB_MSG_CALC_ERROR, - BRB_MSG_LOOKUP_FAILED, - BRB_MSG_PARTIAL_VERSION_PRESENCE, - BRB_MSG_MEM_ACNT_FAILED, - BRB_MSG_TIMER_WHEEL_UNAVAILABLE, - BRB_MSG_BITROT_LOADED, - BRB_MSG_SCALE_DOWN_FAILED, - BRB_MSG_SCALE_UP_FAILED, - BRB_MSG_SCALE_DOWN_SCRUBBER, - BRB_MSG_SCALING_UP_SCRUBBER, - BRB_MSG_UNKNOWN_THROTTLE, - BRB_MSG_RATE_LIMIT_INFO, - BRB_MSG_SCRUB_INFO, - BRB_MSG_CONNECTED_TO_BRICK, - BRB_MSG_BRICK_INFO, - BRB_MSG_SUBVOL_CONNECT_FAILED, - BRB_MSG_INVALID_SUBVOL, - BRB_MSG_RESCHEDULE_SCRUBBER_FAILED, - BRB_MSG_SCRUB_START, - BRB_MSG_SCRUB_FINISH, - BRB_MSG_SCRUB_RUNNING, - BRB_MSG_SCRUB_RESCHEDULED, - BRB_MSG_SCRUB_TUNABLE, - BRB_MSG_SCRUB_THREAD_CLEANUP, - BRB_MSG_SCRUBBER_CLEANED, - BRB_MSG_GENERIC_SSM_INFO, - BRB_MSG_ZERO_TIMEOUT_BUG, - BRB_MSG_BAD_OBJ_READDIR_FAIL, - BRB_MSG_SSM_FAILED, - BRB_MSG_SCRUB_WAIT_FAILED -); +GLFS_MSGID(BITROT_BITD, BRB_MSG_FD_CREATE_FAILED, BRB_MSG_READV_FAILED, + BRB_MSG_BLOCK_READ_FAILED, BRB_MSG_CALC_CHECKSUM_FAILED, + BRB_MSG_NO_MEMORY, BRB_MSG_GET_SIGN_FAILED, BRB_MSG_SET_SIGN_FAILED, + BRB_MSG_OP_FAILED, BRB_MSG_READ_AND_SIGN_FAILED, BRB_MSG_SIGN_FAILED, + BRB_MSG_GET_SUBVOL_FAILED, BRB_MSG_SET_TIMER_FAILED, + BRB_MSG_GET_INFO_FAILED, BRB_MSG_PATH_FAILED, BRB_MSG_MARK_BAD_FILE, + BRB_MSG_TRIGGER_SIGN, BRB_MSG_REGISTER_FAILED, + BRB_MSG_CRAWLING_START, BRB_MSG_SPAWN_FAILED, + BRB_MSG_INVALID_SUBVOL_CHILD, BRB_MSG_SKIP_OBJECT, BRB_MSG_NO_CHILD, + BRB_MSG_CHECKSUM_MISMATCH, BRB_MSG_MARK_CORRUPTED, + BRB_MSG_CRAWLING_FINISH, BRB_MSG_CALC_ERROR, BRB_MSG_LOOKUP_FAILED, + BRB_MSG_PARTIAL_VERSION_PRESENCE, BRB_MSG_MEM_ACNT_FAILED, + BRB_MSG_TIMER_WHEEL_UNAVAILABLE, BRB_MSG_BITROT_LOADED, + BRB_MSG_SCALE_DOWN_FAILED, BRB_MSG_SCALE_UP_FAILED, + BRB_MSG_SCALE_DOWN_SCRUBBER, BRB_MSG_SCALING_UP_SCRUBBER, + BRB_MSG_UNKNOWN_THROTTLE, BRB_MSG_RATE_LIMIT_INFO, + BRB_MSG_SCRUB_INFO, BRB_MSG_CONNECTED_TO_BRICK, BRB_MSG_BRICK_INFO, + BRB_MSG_SUBVOL_CONNECT_FAILED, BRB_MSG_INVALID_SUBVOL, + BRB_MSG_RESCHEDULE_SCRUBBER_FAILED, BRB_MSG_SCRUB_START, + BRB_MSG_SCRUB_FINISH, BRB_MSG_SCRUB_RUNNING, + BRB_MSG_SCRUB_RESCHEDULED, BRB_MSG_SCRUB_TUNABLE, + BRB_MSG_SCRUB_THREAD_CLEANUP, BRB_MSG_SCRUBBER_CLEANED, + BRB_MSG_GENERIC_SSM_INFO, BRB_MSG_ZERO_TIMEOUT_BUG, + BRB_MSG_BAD_OBJ_READDIR_FAIL, BRB_MSG_SSM_FAILED, + BRB_MSG_SCRUB_WAIT_FAILED); #endif /* !_BITROT_BITD_MESSAGES_H_ */ diff --git a/xlators/features/bit-rot/src/bitd/bit-rot-scrub-status.h b/xlators/features/bit-rot/src/bitd/bit-rot-scrub-status.h index 02bd0fab04e..24128b90a66 100644 --- a/xlators/features/bit-rot/src/bitd/bit-rot-scrub-status.h +++ b/xlators/features/bit-rot/src/bitd/bit-rot-scrub-status.h @@ -16,33 +16,33 @@ #include <pthread.h> struct br_scrub_stats { - uint64_t scrubbed_files; /* Total number of scrubbed file */ + uint64_t scrubbed_files; /* Total number of scrubbed file */ - uint64_t unsigned_files; /* Total number of unsigned file */ + uint64_t unsigned_files; /* Total number of unsigned file */ - uint64_t scrub_duration; /* Duration of last scrub */ + uint64_t scrub_duration; /* Duration of last scrub */ - char last_scrub_time[1024]; /*last scrub completion time */ + char last_scrub_time[1024]; /*last scrub completion time */ - struct timeval scrub_start_tv; /* Scrubbing starting time*/ + struct timeval scrub_start_tv; /* Scrubbing starting time*/ - struct timeval scrub_end_tv; /* Scrubbing finishing time */ + struct timeval scrub_end_tv; /* Scrubbing finishing time */ - int8_t scrub_running; /* Scrub running or not */ + int8_t scrub_running; /* Scrub running or not */ - pthread_mutex_t lock; + pthread_mutex_t lock; }; typedef struct br_scrub_stats br_scrub_stats_t; void -br_inc_unsigned_file_count (br_scrub_stats_t *scrub_stat); +br_inc_unsigned_file_count(br_scrub_stats_t *scrub_stat); void -br_inc_scrubbed_file (br_scrub_stats_t *scrub_stat); +br_inc_scrubbed_file(br_scrub_stats_t *scrub_stat); void -br_update_scrub_start_time (br_scrub_stats_t *scrub_stat, struct timeval *tv); +br_update_scrub_start_time(br_scrub_stats_t *scrub_stat, struct timeval *tv); void -br_update_scrub_finish_time (br_scrub_stats_t *scrub_stat, char *timestr, - struct timeval *tv); +br_update_scrub_finish_time(br_scrub_stats_t *scrub_stat, char *timestr, + struct timeval *tv); #endif /* __BIT_ROT_SCRUB_STATUS_H__ */ diff --git a/xlators/features/bit-rot/src/bitd/bit-rot-scrub.h b/xlators/features/bit-rot/src/bitd/bit-rot-scrub.h index 8cc88ec153e..7a3c14abb93 100644 --- a/xlators/features/bit-rot/src/bitd/bit-rot-scrub.h +++ b/xlators/features/bit-rot/src/bitd/bit-rot-scrub.h @@ -14,24 +14,33 @@ #include "xlator.h" #include "bit-rot.h" -void *br_fsscanner (void *); +void * +br_fsscanner(void *); -int32_t br_fsscan_schedule (xlator_t *); -int32_t br_fsscan_reschedule (xlator_t *); -int32_t br_fsscan_activate (xlator_t *); -int32_t br_fsscan_deactivate (xlator_t *); -int32_t br_fsscan_ondemand (xlator_t *); +int32_t +br_fsscan_schedule(xlator_t *); +int32_t +br_fsscan_reschedule(xlator_t *); +int32_t +br_fsscan_activate(xlator_t *); +int32_t +br_fsscan_deactivate(xlator_t *); +int32_t +br_fsscan_ondemand(xlator_t *); -int32_t br_scrubber_handle_options (xlator_t *, br_private_t *, dict_t *); +int32_t +br_scrubber_handle_options(xlator_t *, br_private_t *, dict_t *); int32_t -br_scrubber_monitor_init (xlator_t *, br_private_t *); +br_scrubber_monitor_init(xlator_t *, br_private_t *); -int32_t br_scrubber_init (xlator_t *, br_private_t *); +int32_t +br_scrubber_init(xlator_t *, br_private_t *); -int32_t br_collect_bad_objects_from_children (xlator_t *this, dict_t *dict); +int32_t +br_collect_bad_objects_from_children(xlator_t *this, dict_t *dict); void -br_child_set_scrub_state (br_child_t *, gf_boolean_t); +br_child_set_scrub_state(br_child_t *, gf_boolean_t); #endif /* __BIT_ROT_SCRUB_H__ */ diff --git a/xlators/features/bit-rot/src/bitd/bit-rot-ssm.h b/xlators/features/bit-rot/src/bitd/bit-rot-ssm.h index 8609477180b..f3fbe2928b7 100644 --- a/xlators/features/bit-rot/src/bitd/bit-rot-ssm.h +++ b/xlators/features/bit-rot/src/bitd/bit-rot-ssm.h @@ -14,24 +14,25 @@ #include "xlator.h" typedef enum br_scrub_state { - BR_SCRUB_STATE_INACTIVE = 0, - BR_SCRUB_STATE_PENDING, - BR_SCRUB_STATE_ACTIVE, - BR_SCRUB_STATE_PAUSED, - BR_SCRUB_STATE_IPAUSED, - BR_SCRUB_STATE_STALLED, - BR_SCRUB_MAXSTATES, + BR_SCRUB_STATE_INACTIVE = 0, + BR_SCRUB_STATE_PENDING, + BR_SCRUB_STATE_ACTIVE, + BR_SCRUB_STATE_PAUSED, + BR_SCRUB_STATE_IPAUSED, + BR_SCRUB_STATE_STALLED, + BR_SCRUB_MAXSTATES, } br_scrub_state_t; typedef enum br_scrub_event { - BR_SCRUB_EVENT_SCHEDULE = 0, - BR_SCRUB_EVENT_PAUSE, - BR_SCRUB_EVENT_ONDEMAND, - BR_SCRUB_MAXEVENTS, + BR_SCRUB_EVENT_SCHEDULE = 0, + BR_SCRUB_EVENT_PAUSE, + BR_SCRUB_EVENT_ONDEMAND, + BR_SCRUB_MAXEVENTS, } br_scrub_event_t; struct br_monitor; -int32_t br_scrub_state_machine (xlator_t *, gf_boolean_t); +int32_t +br_scrub_state_machine(xlator_t *, gf_boolean_t); #endif /* __BIT_ROT_SSM_H__ */ diff --git a/xlators/features/bit-rot/src/bitd/bit-rot.h b/xlators/features/bit-rot/src/bitd/bit-rot.h index 670060c8d88..962b4d717e6 100644 --- a/xlators/features/bit-rot/src/bitd/bit-rot.h +++ b/xlators/features/bit-rot/src/bitd/bit-rot.h @@ -37,271 +37,270 @@ #define BR_WORKERS 4 typedef enum scrub_throttle { - BR_SCRUB_THROTTLE_VOID = -1, - BR_SCRUB_THROTTLE_LAZY = 0, - BR_SCRUB_THROTTLE_NORMAL = 1, - BR_SCRUB_THROTTLE_AGGRESSIVE = 2, - BR_SCRUB_THROTTLE_STALLED = 3, + BR_SCRUB_THROTTLE_VOID = -1, + BR_SCRUB_THROTTLE_LAZY = 0, + BR_SCRUB_THROTTLE_NORMAL = 1, + BR_SCRUB_THROTTLE_AGGRESSIVE = 2, + BR_SCRUB_THROTTLE_STALLED = 3, } scrub_throttle_t; typedef enum scrub_freq { - BR_FSSCRUB_FREQ_HOURLY = 1, - BR_FSSCRUB_FREQ_DAILY, - BR_FSSCRUB_FREQ_WEEKLY, - BR_FSSCRUB_FREQ_BIWEEKLY, - BR_FSSCRUB_FREQ_MONTHLY, - BR_FSSCRUB_FREQ_MINUTE, - BR_FSSCRUB_FREQ_STALLED, + BR_FSSCRUB_FREQ_HOURLY = 1, + BR_FSSCRUB_FREQ_DAILY, + BR_FSSCRUB_FREQ_WEEKLY, + BR_FSSCRUB_FREQ_BIWEEKLY, + BR_FSSCRUB_FREQ_MONTHLY, + BR_FSSCRUB_FREQ_MINUTE, + BR_FSSCRUB_FREQ_STALLED, } scrub_freq_t; -#define signature_size(hl) (sizeof (br_isignature_t) + hl + 1) +#define signature_size(hl) (sizeof(br_isignature_t) + hl + 1) struct br_scanfs { - gf_lock_t entrylock; + gf_lock_t entrylock; - pthread_mutex_t waitlock; - pthread_cond_t waitcond; + pthread_mutex_t waitlock; + pthread_cond_t waitcond; - unsigned int entries; - struct list_head queued; - struct list_head ready; + unsigned int entries; + struct list_head queued; + struct list_head ready; }; /* just need three states to track child status */ typedef enum br_child_state { - BR_CHILD_STATE_CONNECTED = 1, - BR_CHILD_STATE_INITIALIZING, - BR_CHILD_STATE_CONNFAILED, - BR_CHILD_STATE_DISCONNECTED, + BR_CHILD_STATE_CONNECTED = 1, + BR_CHILD_STATE_INITIALIZING, + BR_CHILD_STATE_CONNFAILED, + BR_CHILD_STATE_DISCONNECTED, } br_child_state_t; struct br_child { - pthread_mutex_t lock; /* protects child state */ - char witnessed; /* witnessed at least one successful - connection */ - br_child_state_t c_state; /* current state of this child */ + pthread_mutex_t lock; /* protects child state */ + char witnessed; /* witnessed at least one successful + connection */ + br_child_state_t c_state; /* current state of this child */ - char child_up; /* Indicates whether this child is - up or not */ - xlator_t *xl; /* client xlator corresponding to - this child */ - inode_table_t *table; /* inode table for this child */ - char brick_path[PATH_MAX]; /* brick export directory of this - child */ - struct list_head list; /* hook to attach to the list of - UP children */ - xlator_t *this; /* Bit rot xlator */ + char child_up; /* Indicates whether this child is + up or not */ + xlator_t *xl; /* client xlator corresponding to + this child */ + inode_table_t *table; /* inode table for this child */ + char brick_path[PATH_MAX]; /* brick export directory of this + child */ + struct list_head list; /* hook to attach to the list of + UP children */ + xlator_t *this; /* Bit rot xlator */ - pthread_t thread; /* initial crawler for unsigned - object(s) or scrub crawler */ - int threadrunning; /* active thread */ + pthread_t thread; /* initial crawler for unsigned + object(s) or scrub crawler */ + int threadrunning; /* active thread */ - struct mem_pool *timer_pool; /* timer-wheel's timer mem-pool */ + struct mem_pool *timer_pool; /* timer-wheel's timer mem-pool */ - struct timeval tv; + struct timeval tv; - struct br_scanfs fsscan; /* per subvolume FS scanner */ + struct br_scanfs fsscan; /* per subvolume FS scanner */ - gf_boolean_t active_scrubbing; /* Actively scrubbing or not */ + gf_boolean_t active_scrubbing; /* Actively scrubbing or not */ }; typedef struct br_child br_child_t; struct br_obj_n_workers { - struct list_head objects; /* queue of objects expired from the - timer wheel and ready to be picked - up for signing */ - pthread_t workers[BR_WORKERS]; /* Threads which pick up the objects - from the above queue and start - signing each object */ + struct list_head objects; /* queue of objects expired from the + timer wheel and ready to be picked + up for signing */ + pthread_t workers[BR_WORKERS]; /* Threads which pick up the objects + from the above queue and start + signing each object */ }; struct br_scrubber { - xlator_t *this; + xlator_t *this; - scrub_throttle_t throttle; + scrub_throttle_t throttle; - /** - * frequency of scanning for this subvolume. this should - * normally be per-child, but since all children follow the - * same frequency for a volume, this option ends up here - * instead of br_child_t. - */ - scrub_freq_t frequency; + /** + * frequency of scanning for this subvolume. this should + * normally be per-child, but since all children follow the + * same frequency for a volume, this option ends up here + * instead of br_child_t. + */ + scrub_freq_t frequency; - gf_boolean_t frequency_reconf; - gf_boolean_t throttle_reconf; + gf_boolean_t frequency_reconf; + gf_boolean_t throttle_reconf; - pthread_mutex_t mutex; - pthread_cond_t cond; + pthread_mutex_t mutex; + pthread_cond_t cond; - unsigned int nr_scrubbers; - struct list_head scrubbers; + unsigned int nr_scrubbers; + struct list_head scrubbers; - /** - * list of "rotatable" subvolume(s) undergoing scrubbing - */ - struct list_head scrublist; + /** + * list of "rotatable" subvolume(s) undergoing scrubbing + */ + struct list_head scrublist; }; struct br_monitor { - gf_lock_t lock; - pthread_t thread; /* Monitor thread */ - - gf_boolean_t inited; - pthread_mutex_t mutex; - pthread_cond_t cond; /* Thread starts and will be waiting on cond. - First child which is up wakes this up */ - - xlator_t *this; - /* scheduler */ - uint32_t boot; - - int32_t active_child_count; /* Number of children currently scrubbing */ - gf_boolean_t kick; /* This variable tracks the scrubber is - * kicked or not. Both 'kick' and - * 'active_child_count' uses the same pair - * of mutex-cond variable, i.e, wakelock and - * wakecond. */ - - pthread_mutex_t wakelock; - pthread_cond_t wakecond; - - gf_boolean_t done; - pthread_mutex_t donelock; - pthread_cond_t donecond; - - struct gf_tw_timer_list *timer; - br_scrub_state_t state; /* current scrub state */ + gf_lock_t lock; + pthread_t thread; /* Monitor thread */ + + gf_boolean_t inited; + pthread_mutex_t mutex; + pthread_cond_t cond; /* Thread starts and will be waiting on cond. + First child which is up wakes this up */ + + xlator_t *this; + /* scheduler */ + uint32_t boot; + + int32_t active_child_count; /* Number of children currently scrubbing */ + gf_boolean_t kick; /* This variable tracks the scrubber is + * kicked or not. Both 'kick' and + * 'active_child_count' uses the same pair + * of mutex-cond variable, i.e, wakelock and + * wakecond. */ + + pthread_mutex_t wakelock; + pthread_cond_t wakecond; + + gf_boolean_t done; + pthread_mutex_t donelock; + pthread_cond_t donecond; + + struct gf_tw_timer_list *timer; + br_scrub_state_t state; /* current scrub state */ }; typedef struct br_obj_n_workers br_obj_n_workers_t; typedef struct br_private br_private_t; -typedef void (*br_scrubbed_file_update) (br_private_t *priv); +typedef void (*br_scrubbed_file_update)(br_private_t *priv); struct br_private { - pthread_mutex_t lock; + pthread_mutex_t lock; - struct list_head bricks; /* list of bricks from which enents - have been received */ + struct list_head bricks; /* list of bricks from which enents + have been received */ - struct list_head signing; + struct list_head signing; - pthread_cond_t object_cond; /* handling signing of objects */ - int child_count; - br_child_t *children; /* list of subvolumes */ - int up_children; + pthread_cond_t object_cond; /* handling signing of objects */ + int child_count; + br_child_t *children; /* list of subvolumes */ + int up_children; - pthread_cond_t cond; /* handling CHILD_UP notifications */ - pthread_t thread; /* thread for connecting each UP - child with changelog */ + pthread_cond_t cond; /* handling CHILD_UP notifications */ + pthread_t thread; /* thread for connecting each UP + child with changelog */ - struct tvec_base *timer_wheel; /* timer wheel where the objects which - changelog has sent sits and waits - for expiry */ - br_obj_n_workers_t *obj_queue; /* place holder for all the objects - that are expired from timer wheel - and ready to be picked up for - signing and the workers which sign - the objects */ + struct tvec_base *timer_wheel; /* timer wheel where the objects which + changelog has sent sits and waits + for expiry */ + br_obj_n_workers_t *obj_queue; /* place holder for all the objects + that are expired from timer wheel + and ready to be picked up for + signing and the workers which sign + the objects */ - uint32_t expiry_time; /* objects "wait" time */ + uint32_t expiry_time; /* objects "wait" time */ - tbf_t *tbf; /* token bucket filter */ + tbf_t *tbf; /* token bucket filter */ - gf_boolean_t iamscrubber; /* function as a fs scrubber */ + gf_boolean_t iamscrubber; /* function as a fs scrubber */ - struct br_scrub_stats scrub_stat; /* statistics of scrub*/ + struct br_scrub_stats scrub_stat; /* statistics of scrub*/ - struct br_scrubber fsscrub; /* scrubbers for this subvolume */ + struct br_scrubber fsscrub; /* scrubbers for this subvolume */ - struct br_monitor scrub_monitor; /* scrubber monitor */ + struct br_monitor scrub_monitor; /* scrubber monitor */ }; struct br_object { - xlator_t *this; + xlator_t *this; - uuid_t gfid; + uuid_t gfid; - unsigned long signedversion; /* version against which this object will - be signed */ - br_child_t *child; /* object's subvolume */ + unsigned long signedversion; /* version against which this object will + be signed */ + br_child_t *child; /* object's subvolume */ - int sign_info; + int sign_info; - struct list_head list; /* hook to add to the queue once the - object is expired from timer wheel */ - void *data; + struct list_head list; /* hook to add to the queue once the + object is expired from timer wheel */ + void *data; }; typedef struct br_object br_object_t; -typedef int32_t (br_scrub_ssm_call) (xlator_t *); +typedef int32_t(br_scrub_ssm_call)(xlator_t *); void -br_log_object (xlator_t *, char *, uuid_t, int32_t); +br_log_object(xlator_t *, char *, uuid_t, int32_t); void -br_log_object_path (xlator_t *, char *, const char *, int32_t); +br_log_object_path(xlator_t *, char *, const char *, int32_t); int32_t -br_calculate_obj_checksum (unsigned char *, - br_child_t *, fd_t *, struct iatt *); +br_calculate_obj_checksum(unsigned char *, br_child_t *, fd_t *, struct iatt *); int32_t -br_prepare_loc (xlator_t *, br_child_t *, loc_t *, gf_dirent_t *, loc_t *); +br_prepare_loc(xlator_t *, br_child_t *, loc_t *, gf_dirent_t *, loc_t *); gf_boolean_t -bitd_is_bad_file (xlator_t *, br_child_t *, loc_t *, fd_t *); +bitd_is_bad_file(xlator_t *, br_child_t *, loc_t *, fd_t *); static inline void -_br_set_child_state (br_child_t *child, br_child_state_t state) +_br_set_child_state(br_child_t *child, br_child_state_t state) { - child->c_state = state; + child->c_state = state; } static inline int -_br_is_child_connected (br_child_t *child) +_br_is_child_connected(br_child_t *child) { - return (child->c_state == BR_CHILD_STATE_CONNECTED); + return (child->c_state == BR_CHILD_STATE_CONNECTED); } static inline int -_br_is_child_scrub_active (br_child_t *child) +_br_is_child_scrub_active(br_child_t *child) { - return child->active_scrubbing; + return child->active_scrubbing; } static inline int -_br_child_failed_conn (br_child_t *child) +_br_child_failed_conn(br_child_t *child) { - return (child->c_state == BR_CHILD_STATE_CONNFAILED); + return (child->c_state == BR_CHILD_STATE_CONNFAILED); } static inline int -_br_child_witnessed_connection (br_child_t *child) +_br_child_witnessed_connection(br_child_t *child) { - return (child->witnessed == 1); + return (child->witnessed == 1); } /* scrub state */ static inline void -_br_monitor_set_scrub_state (struct br_monitor *scrub_monitor, - br_scrub_state_t state) +_br_monitor_set_scrub_state(struct br_monitor *scrub_monitor, + br_scrub_state_t state) { - scrub_monitor->state = state; + scrub_monitor->state = state; } static inline br_scrub_event_t -_br_child_get_scrub_event (struct br_scrubber *fsscrub) +_br_child_get_scrub_event(struct br_scrubber *fsscrub) { - return (fsscrub->frequency == BR_FSSCRUB_FREQ_STALLED) - ? BR_SCRUB_EVENT_PAUSE : BR_SCRUB_EVENT_SCHEDULE; + return (fsscrub->frequency == BR_FSSCRUB_FREQ_STALLED) + ? BR_SCRUB_EVENT_PAUSE + : BR_SCRUB_EVENT_SCHEDULE; } int32_t -br_get_bad_objects_list (xlator_t *this, dict_t **dict); - +br_get_bad_objects_list(xlator_t *this, dict_t **dict); #endif /* __BIT_ROT_H__ */ diff --git a/xlators/features/bit-rot/src/stub/bit-rot-common.h b/xlators/features/bit-rot/src/stub/bit-rot-common.h index 2afc9f47c29..ef683ac7f9f 100644 --- a/xlators/features/bit-rot/src/stub/bit-rot-common.h +++ b/xlators/features/bit-rot/src/stub/bit-rot-common.h @@ -14,71 +14,71 @@ #include "glusterfs.h" #include "bit-rot-object-version.h" -#define BR_VXATTR_VERSION (1 << 0) +#define BR_VXATTR_VERSION (1 << 0) #define BR_VXATTR_SIGNATURE (1 << 1) #define BR_VXATTR_SIGN_MISSING (BR_VXATTR_SIGNATURE) -#define BR_VXATTR_ALL_MISSING \ - (BR_VXATTR_VERSION | BR_VXATTR_SIGNATURE) +#define BR_VXATTR_ALL_MISSING (BR_VXATTR_VERSION | BR_VXATTR_SIGNATURE) -#define BR_BAD_OBJ_CONTAINER (uuid_t){0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8} +#define BR_BAD_OBJ_CONTAINER \ + (uuid_t) { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8 } typedef enum br_vxattr_state { - BR_VXATTR_STATUS_FULL = 0, - BR_VXATTR_STATUS_MISSING = 1, - BR_VXATTR_STATUS_UNSIGNED = 2, - BR_VXATTR_STATUS_INVALID = 3, + BR_VXATTR_STATUS_FULL = 0, + BR_VXATTR_STATUS_MISSING = 1, + BR_VXATTR_STATUS_UNSIGNED = 2, + BR_VXATTR_STATUS_INVALID = 3, } br_vxattr_status_t; typedef enum br_sign_state { - BR_SIGN_INVALID = -1, - BR_SIGN_NORMAL = 0, - BR_SIGN_REOPEN_WAIT = 1, - BR_SIGN_QUICK = 2, + BR_SIGN_INVALID = -1, + BR_SIGN_NORMAL = 0, + BR_SIGN_REOPEN_WAIT = 1, + BR_SIGN_QUICK = 2, } br_sign_state_t; static inline br_vxattr_status_t -br_version_xattr_state (dict_t *xattr, br_version_t **obuf, - br_signature_t **sbuf, gf_boolean_t *objbad) +br_version_xattr_state(dict_t *xattr, br_version_t **obuf, + br_signature_t **sbuf, gf_boolean_t *objbad) { - int32_t ret = 0; - int32_t vxattr = 0; - br_vxattr_status_t status; - void *data = NULL; - - /** - * The key being present in the dict indicates the xattr was set on - * disk. The presence of xattr itself as of now is suffecient to say - * the the object is bad. - */ - *objbad = _gf_false; - ret = dict_get_bin (xattr, BITROT_OBJECT_BAD_KEY, (void **)&data); - if (!ret) - *objbad = _gf_true; - - ret = dict_get_bin (xattr, BITROT_CURRENT_VERSION_KEY, (void **)obuf); - if (ret) - vxattr |= BR_VXATTR_VERSION; - - ret = dict_get_bin (xattr, BITROT_SIGNING_VERSION_KEY, (void **)sbuf); - if (ret) - vxattr |= BR_VXATTR_SIGNATURE; - - switch (vxattr) { + int32_t ret = 0; + int32_t vxattr = 0; + br_vxattr_status_t status; + void *data = NULL; + + /** + * The key being present in the dict indicates the xattr was set on + * disk. The presence of xattr itself as of now is suffecient to say + * the the object is bad. + */ + *objbad = _gf_false; + ret = dict_get_bin(xattr, BITROT_OBJECT_BAD_KEY, (void **)&data); + if (!ret) + *objbad = _gf_true; + + ret = dict_get_bin(xattr, BITROT_CURRENT_VERSION_KEY, (void **)obuf); + if (ret) + vxattr |= BR_VXATTR_VERSION; + + ret = dict_get_bin(xattr, BITROT_SIGNING_VERSION_KEY, (void **)sbuf); + if (ret) + vxattr |= BR_VXATTR_SIGNATURE; + + switch (vxattr) { case 0: - status = BR_VXATTR_STATUS_FULL; - break; + status = BR_VXATTR_STATUS_FULL; + break; case BR_VXATTR_SIGN_MISSING: - status = BR_VXATTR_STATUS_UNSIGNED; - break; + status = BR_VXATTR_STATUS_UNSIGNED; + break; case BR_VXATTR_ALL_MISSING: - status = BR_VXATTR_STATUS_MISSING; - break; + status = BR_VXATTR_STATUS_MISSING; + break; default: - status = BR_VXATTR_STATUS_INVALID; - } + status = BR_VXATTR_STATUS_INVALID; + } - return status; + return status; } /** @@ -86,13 +86,13 @@ br_version_xattr_state (dict_t *xattr, br_version_t **obuf, * signing. */ typedef struct br_isignature_in { - int8_t signaturetype; /* signature type */ + int8_t signaturetype; /* signature type */ - unsigned long signedversion; /* version against which the - object was signed */ + unsigned long signedversion; /* version against which the + object was signed */ - size_t signaturelen; /* signature length */ - char signature[0]; /* object signature */ + size_t signaturelen; /* signature length */ + char signature[0]; /* object signature */ } br_isignature_t; /** @@ -100,80 +100,79 @@ typedef struct br_isignature_in { * verification. */ typedef struct br_isignature_out { - char stale; /* stale signature? */ + char stale; /* stale signature? */ - unsigned long version; /* current signed version */ + unsigned long version; /* current signed version */ - uint32_t time[2]; /* time when the object - got dirtied */ + uint32_t time[2]; /* time when the object + got dirtied */ - int8_t signaturetype; /* hash type */ - size_t signaturelen; /* signature length */ - char signature[0]; /* signature (hash) */ + int8_t signaturetype; /* hash type */ + size_t signaturelen; /* signature length */ + char signature[0]; /* signature (hash) */ } br_isignature_out_t; typedef struct br_stub_init { - uint32_t timebuf[2]; - char export[PATH_MAX]; + uint32_t timebuf[2]; + char export[PATH_MAX]; } br_stub_init_t; typedef enum { - BR_SIGNATURE_TYPE_VOID = -1, /* object is not signed */ - BR_SIGNATURE_TYPE_ZERO = 0, /* min boundary */ - BR_SIGNATURE_TYPE_SHA256 = 1, /* signed with SHA256 */ - BR_SIGNATURE_TYPE_MAX = 2, /* max boundary */ + BR_SIGNATURE_TYPE_VOID = -1, /* object is not signed */ + BR_SIGNATURE_TYPE_ZERO = 0, /* min boundary */ + BR_SIGNATURE_TYPE_SHA256 = 1, /* signed with SHA256 */ + BR_SIGNATURE_TYPE_MAX = 2, /* max boundary */ } br_signature_type; /* BitRot stub start time (virtual xattr) */ -#define GLUSTERFS_GET_BR_STUB_INIT_TIME "trusted.glusterfs.bit-rot.stub-init" +#define GLUSTERFS_GET_BR_STUB_INIT_TIME "trusted.glusterfs.bit-rot.stub-init" /* signing/reopen hint */ #define BR_OBJECT_RESIGN 0 -#define BR_OBJECT_REOPEN 1 -#define BR_REOPEN_SIGN_HINT_KEY "trusted.glusterfs.bit-rot.reopen-hint" +#define BR_OBJECT_REOPEN 1 +#define BR_REOPEN_SIGN_HINT_KEY "trusted.glusterfs.bit-rot.reopen-hint" static inline int -br_is_signature_type_valid (int8_t signaturetype) +br_is_signature_type_valid(int8_t signaturetype) { - return ((signaturetype > BR_SIGNATURE_TYPE_ZERO) - && (signaturetype < BR_SIGNATURE_TYPE_MAX)); + return ((signaturetype > BR_SIGNATURE_TYPE_ZERO) && + (signaturetype < BR_SIGNATURE_TYPE_MAX)); } static inline void -br_set_default_ongoingversion (br_version_t *buf, uint32_t *tv) +br_set_default_ongoingversion(br_version_t *buf, uint32_t *tv) { - buf->ongoingversion = BITROT_DEFAULT_CURRENT_VERSION; - buf->timebuf[0] = tv[0]; - buf->timebuf[1] = tv[1]; + buf->ongoingversion = BITROT_DEFAULT_CURRENT_VERSION; + buf->timebuf[0] = tv[0]; + buf->timebuf[1] = tv[1]; } static inline void -br_set_default_signature (br_signature_t *buf, size_t *size) +br_set_default_signature(br_signature_t *buf, size_t *size) { - buf->signaturetype = (int8_t) BR_SIGNATURE_TYPE_VOID; - buf->signedversion = BITROT_DEFAULT_SIGNING_VERSION; + buf->signaturetype = (int8_t)BR_SIGNATURE_TYPE_VOID; + buf->signedversion = BITROT_DEFAULT_SIGNING_VERSION; - *size = sizeof (br_signature_t); /* no signature */ + *size = sizeof(br_signature_t); /* no signature */ } static inline void -br_set_ongoingversion (br_version_t *buf, - unsigned long version, uint32_t *tv) +br_set_ongoingversion(br_version_t *buf, unsigned long version, uint32_t *tv) { - buf->ongoingversion = version; - buf->timebuf[0] = tv[0]; - buf->timebuf[1] = tv[1]; + buf->ongoingversion = version; + buf->timebuf[0] = tv[0]; + buf->timebuf[1] = tv[1]; } static inline void -br_set_signature (br_signature_t *buf, - br_isignature_t *sign, size_t signaturelen, size_t *size) +br_set_signature(br_signature_t *buf, br_isignature_t *sign, + size_t signaturelen, size_t *size) { - buf->signaturetype = sign->signaturetype; - buf->signedversion = ntohl (sign->signedversion); + buf->signaturetype = sign->signaturetype; + buf->signedversion = ntohl(sign->signedversion); - memcpy (buf->signature, sign->signature, signaturelen); - *size = sizeof (br_signature_t) + signaturelen; + memcpy(buf->signature, sign->signature, signaturelen); + *size = sizeof(br_signature_t) + signaturelen; } #endif /* __BIT_ROT_COMMON_H__ */ diff --git a/xlators/features/bit-rot/src/stub/bit-rot-object-version.h b/xlators/features/bit-rot/src/stub/bit-rot-object-version.h index 1f2497aebe9..7ae6a5200df 100644 --- a/xlators/features/bit-rot/src/stub/bit-rot-object-version.h +++ b/xlators/features/bit-rot/src/stub/bit-rot-object-version.h @@ -15,16 +15,16 @@ * on-disk formats for ongoing version and object signature. */ typedef struct br_version { - unsigned long ongoingversion; - uint32_t timebuf[2]; + unsigned long ongoingversion; + uint32_t timebuf[2]; } br_version_t; -typedef struct __attribute__ ((__packed__)) br_signature { - int8_t signaturetype; +typedef struct __attribute__((__packed__)) br_signature { + int8_t signaturetype; - unsigned long signedversion; + unsigned long signedversion; - char signature[0]; + char signature[0]; } br_signature_t; #endif diff --git a/xlators/features/bit-rot/src/stub/bit-rot-stub-mem-types.h b/xlators/features/bit-rot/src/stub/bit-rot-stub-mem-types.h index 1652a3ebf8d..a3e7b03291e 100644 --- a/xlators/features/bit-rot/src/stub/bit-rot-stub-mem-types.h +++ b/xlators/features/bit-rot/src/stub/bit-rot-stub-mem-types.h @@ -14,22 +14,22 @@ #include "mem-types.h" enum br_mem_types { - gf_br_stub_mt_private_t = gf_common_mt_end + 1, - gf_br_stub_mt_version_t, - gf_br_stub_mt_inode_ctx_t, - gf_br_stub_mt_signature_t, - gf_br_mt_br_private_t, - gf_br_mt_br_child_t, - gf_br_mt_br_object_t, - gf_br_mt_br_ob_n_wk_t, - gf_br_mt_br_scrubber_t, - gf_br_mt_br_fsscan_entry_t, - gf_br_stub_mt_br_stub_fd_t, - gf_br_stub_mt_br_scanner_freq_t, - gf_br_stub_mt_sigstub_t, - gf_br_mt_br_child_event_t, - gf_br_stub_mt_misc, - gf_br_stub_mt_end, + gf_br_stub_mt_private_t = gf_common_mt_end + 1, + gf_br_stub_mt_version_t, + gf_br_stub_mt_inode_ctx_t, + gf_br_stub_mt_signature_t, + gf_br_mt_br_private_t, + gf_br_mt_br_child_t, + gf_br_mt_br_object_t, + gf_br_mt_br_ob_n_wk_t, + gf_br_mt_br_scrubber_t, + gf_br_mt_br_fsscan_entry_t, + gf_br_stub_mt_br_stub_fd_t, + gf_br_stub_mt_br_scanner_freq_t, + gf_br_stub_mt_sigstub_t, + gf_br_mt_br_child_event_t, + gf_br_stub_mt_misc, + gf_br_stub_mt_end, }; #endif diff --git a/xlators/features/bit-rot/src/stub/bit-rot-stub-messages.h b/xlators/features/bit-rot/src/stub/bit-rot-stub-messages.h index 2ade4f03997..cccc3b9c599 100644 --- a/xlators/features/bit-rot/src/stub/bit-rot-stub-messages.h +++ b/xlators/features/bit-rot/src/stub/bit-rot-stub-messages.h @@ -23,40 +23,22 @@ * glfs-message-id.h. */ -GLFS_MSGID(BITROT_STUB, - BRS_MSG_NO_MEMORY, - BRS_MSG_SET_EVENT_FAILED, - BRS_MSG_MEM_ACNT_FAILED, - BRS_MSG_CREATE_FRAME_FAILED, - BRS_MSG_SET_CONTEXT_FAILED, - BRS_MSG_CHANGE_VERSION_FAILED, - BRS_MSG_ADD_FD_TO_LIST_FAILED, - BRS_MSG_SET_FD_CONTEXT_FAILED, - BRS_MSG_CREATE_ANONYMOUS_FD_FAILED, - BRS_MSG_NO_CHILD, - BRS_MSG_STUB_ALLOC_FAILED, - BRS_MSG_GET_INODE_CONTEXT_FAILED, - BRS_MSG_CANCEL_SIGN_THREAD_FAILED, - BRS_MSG_ADD_FD_TO_INODE, - BRS_MSG_SIGN_VERSION_ERROR, - BRS_MSG_BAD_OBJ_MARK_FAIL, - BRS_MSG_NON_SCRUB_BAD_OBJ_MARK, - BRS_MSG_REMOVE_INTERNAL_XATTR, - BRS_MSG_SET_INTERNAL_XATTR, - BRS_MSG_BAD_OBJECT_ACCESS, - BRS_MSG_BAD_CONTAINER_FAIL, - BRS_MSG_BAD_OBJECT_DIR_FAIL, - BRS_MSG_BAD_OBJECT_DIR_SEEK_FAIL, - BRS_MSG_BAD_OBJECT_DIR_TELL_FAIL, - BRS_MSG_BAD_OBJECT_DIR_READ_FAIL, - BRS_MSG_GET_FD_CONTEXT_FAILED, - BRS_MSG_BAD_HANDLE_DIR_NULL, - BRS_MSG_BAD_OBJ_THREAD_FAIL, - BRS_MSG_BAD_OBJ_DIR_CLOSE_FAIL, - BRS_MSG_LINK_FAIL, - BRS_MSG_BAD_OBJ_UNLINK_FAIL, - BRS_MSG_DICT_SET_FAILED, - BRS_MSG_PATH_GET_FAILED -); +GLFS_MSGID(BITROT_STUB, BRS_MSG_NO_MEMORY, BRS_MSG_SET_EVENT_FAILED, + BRS_MSG_MEM_ACNT_FAILED, BRS_MSG_CREATE_FRAME_FAILED, + BRS_MSG_SET_CONTEXT_FAILED, BRS_MSG_CHANGE_VERSION_FAILED, + BRS_MSG_ADD_FD_TO_LIST_FAILED, BRS_MSG_SET_FD_CONTEXT_FAILED, + BRS_MSG_CREATE_ANONYMOUS_FD_FAILED, BRS_MSG_NO_CHILD, + BRS_MSG_STUB_ALLOC_FAILED, BRS_MSG_GET_INODE_CONTEXT_FAILED, + BRS_MSG_CANCEL_SIGN_THREAD_FAILED, BRS_MSG_ADD_FD_TO_INODE, + BRS_MSG_SIGN_VERSION_ERROR, BRS_MSG_BAD_OBJ_MARK_FAIL, + BRS_MSG_NON_SCRUB_BAD_OBJ_MARK, BRS_MSG_REMOVE_INTERNAL_XATTR, + BRS_MSG_SET_INTERNAL_XATTR, BRS_MSG_BAD_OBJECT_ACCESS, + BRS_MSG_BAD_CONTAINER_FAIL, BRS_MSG_BAD_OBJECT_DIR_FAIL, + BRS_MSG_BAD_OBJECT_DIR_SEEK_FAIL, BRS_MSG_BAD_OBJECT_DIR_TELL_FAIL, + BRS_MSG_BAD_OBJECT_DIR_READ_FAIL, BRS_MSG_GET_FD_CONTEXT_FAILED, + BRS_MSG_BAD_HANDLE_DIR_NULL, BRS_MSG_BAD_OBJ_THREAD_FAIL, + BRS_MSG_BAD_OBJ_DIR_CLOSE_FAIL, BRS_MSG_LINK_FAIL, + BRS_MSG_BAD_OBJ_UNLINK_FAIL, BRS_MSG_DICT_SET_FAILED, + BRS_MSG_PATH_GET_FAILED); #endif /* !_BITROT_STUB_MESSAGES_H_ */ diff --git a/xlators/features/bit-rot/src/stub/bit-rot-stub.h b/xlators/features/bit-rot/src/stub/bit-rot-stub.h index e15f1cecbc0..a15667e323a 100644 --- a/xlators/features/bit-rot/src/stub/bit-rot-stub.h +++ b/xlators/features/bit-rot/src/stub/bit-rot-stub.h @@ -1,11 +1,11 @@ - /* - 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. +/* + 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 __BIT_ROT_STUB_H__ #define __BIT_ROT_STUB_H__ @@ -25,305 +25,302 @@ #include "syncop.h" #include "syncop-utils.h" -#define BAD_OBJECT_THREAD_STACK_SIZE ((size_t)(1024*1024)) +#define BAD_OBJECT_THREAD_STACK_SIZE ((size_t)(1024 * 1024)) #define BR_STUB_DUMP_STR_SIZE 65536 -#define BR_PATH_MAX_EXTRA (PATH_MAX+1024) -#define BR_PATH_MAX_PLUS (PATH_MAX+2048) +#define BR_PATH_MAX_EXTRA (PATH_MAX + 1024) +#define BR_PATH_MAX_PLUS (PATH_MAX + 2048) /* * Oops. Spelling mistake. Correcting it */ -#define OLD_BR_STUB_QUARANTINE_DIR GF_HIDDEN_PATH"/quanrantine" -#define BR_STUB_QUARANTINE_DIR GF_HIDDEN_PATH"/quarantine" +#define OLD_BR_STUB_QUARANTINE_DIR GF_HIDDEN_PATH "/quanrantine" +#define BR_STUB_QUARANTINE_DIR GF_HIDDEN_PATH "/quarantine" /* do not reference frame->local in cbk unless initialized. * Assigned 0x1 marks verisoning flag between call path and * cbk path. */ -#define BR_STUB_VER_NOT_ACTIVE_THEN_GOTO(frame, priv, label) do { \ - if (priv->do_versioning) \ - frame->local = (void *)0x1; \ - else \ - goto label; \ - } while (0) - -#define BR_STUB_VER_COND_GOTO(priv, cond, label) do { \ - if (!priv->do_versioning || cond) \ - goto label; \ - } while (0) - -#define BR_STUB_VER_ENABLED_IN_CALLPATH(frame, flag) do { \ - if (frame->local) \ - flag = _gf_true; \ - if (frame->local == (void *) 0x1) \ - frame->local = NULL; \ - } while (0) - -#define BR_STUB_RESET_LOCAL_NULL(frame) do { \ - if (frame->local == (void *)0x1) \ - frame->local = NULL; \ - } while (0) - -typedef int (br_stub_version_cbk) (call_frame_t *, void *, - xlator_t *, int32_t, int32_t, dict_t *); +#define BR_STUB_VER_NOT_ACTIVE_THEN_GOTO(frame, priv, label) \ + do { \ + if (priv->do_versioning) \ + frame->local = (void *)0x1; \ + else \ + goto label; \ + } while (0) + +#define BR_STUB_VER_COND_GOTO(priv, cond, label) \ + do { \ + if (!priv->do_versioning || cond) \ + goto label; \ + } while (0) + +#define BR_STUB_VER_ENABLED_IN_CALLPATH(frame, flag) \ + do { \ + if (frame->local) \ + flag = _gf_true; \ + if (frame->local == (void *)0x1) \ + frame->local = NULL; \ + } while (0) + +#define BR_STUB_RESET_LOCAL_NULL(frame) \ + do { \ + if (frame->local == (void *)0x1) \ + frame->local = NULL; \ + } while (0) + +typedef int(br_stub_version_cbk)(call_frame_t *, void *, xlator_t *, int32_t, + int32_t, dict_t *); typedef struct br_stub_inode_ctx { - int need_writeback; /* does the inode need - a writeback to disk? */ - unsigned long currentversion; /* ongoing version */ - - int info_sign; - struct list_head fd_list; /* list of open fds or fds participating in - write operations */ - gf_boolean_t bad_object; + int need_writeback; /* does the inode need + a writeback to disk? */ + unsigned long currentversion; /* ongoing version */ + + int info_sign; + struct list_head fd_list; /* list of open fds or fds participating in + write operations */ + gf_boolean_t bad_object; } br_stub_inode_ctx_t; typedef struct br_stub_fd { - fd_t *fd; - struct list_head list; - struct bad_object_dir { - DIR *dir; - off_t dir_eof; - } bad_object; + fd_t *fd; + struct list_head list; + struct bad_object_dir { + DIR *dir; + off_t dir_eof; + } bad_object; } br_stub_fd_t; -#define I_DIRTY (1<<0) /* inode needs writeback */ -#define I_MODIFIED (1<<1) -#define WRITEBACK_DURABLE 1 /* writeback is durable */ +#define I_DIRTY (1 << 0) /* inode needs writeback */ +#define I_MODIFIED (1 << 1) +#define WRITEBACK_DURABLE 1 /* writeback is durable */ /** * This could just have been a plain struct without unions and all, * but we may need additional things in the future. */ typedef struct br_stub_local { - call_stub_t *fopstub; /* stub for original fop */ - - int versioningtype; /* not much used atm */ - - union { - struct br_stub_ctx { - fd_t *fd; - uuid_t gfid; - inode_t *inode; - unsigned long version; - } context; - } u; + call_stub_t *fopstub; /* stub for original fop */ + + int versioningtype; /* not much used atm */ + + union { + struct br_stub_ctx { + fd_t *fd; + uuid_t gfid; + inode_t *inode; + unsigned long version; + } context; + } u; } br_stub_local_t; #define BR_STUB_NO_VERSIONING (1 << 0) #define BR_STUB_INCREMENTAL_VERSIONING (1 << 1) typedef struct br_stub_private { - gf_boolean_t do_versioning; + gf_boolean_t do_versioning; - uint32_t boot[2]; - char export[PATH_MAX]; + uint32_t boot[2]; + char export[PATH_MAX]; - pthread_mutex_t lock; - pthread_cond_t cond; + pthread_mutex_t lock; + pthread_cond_t cond; - struct list_head squeue; /* ordered signing queue */ - pthread_t signth; - struct bad_objects_container { - pthread_t thread; - pthread_mutex_t bad_lock; - pthread_cond_t bad_cond; - struct list_head bad_queue; - } container; - struct mem_pool *local_pool; + struct list_head squeue; /* ordered signing queue */ + pthread_t signth; + struct bad_objects_container { + pthread_t thread; + pthread_mutex_t bad_lock; + pthread_cond_t bad_cond; + struct list_head bad_queue; + } container; + struct mem_pool *local_pool; - char stub_basepath[BR_PATH_MAX_EXTRA]; + char stub_basepath[BR_PATH_MAX_EXTRA]; - uuid_t bad_object_dir_gfid; + uuid_t bad_object_dir_gfid; } br_stub_private_t; br_stub_fd_t * -br_stub_fd_new (void); - +br_stub_fd_new(void); int -__br_stub_fd_ctx_set (xlator_t *this, fd_t *fd, br_stub_fd_t *br_stub_fd); +__br_stub_fd_ctx_set(xlator_t *this, fd_t *fd, br_stub_fd_t *br_stub_fd); br_stub_fd_t * -__br_stub_fd_ctx_get (xlator_t *this, fd_t *fd); +__br_stub_fd_ctx_get(xlator_t *this, fd_t *fd); br_stub_fd_t * -br_stub_fd_ctx_get (xlator_t *this, fd_t *fd); +br_stub_fd_ctx_get(xlator_t *this, fd_t *fd); int32_t -br_stub_fd_ctx_set (xlator_t *this, fd_t *fd, br_stub_fd_t *br_stub_fd); +br_stub_fd_ctx_set(xlator_t *this, fd_t *fd, br_stub_fd_t *br_stub_fd); static inline gf_boolean_t -__br_stub_is_bad_object (br_stub_inode_ctx_t *ctx) +__br_stub_is_bad_object(br_stub_inode_ctx_t *ctx) { - return ctx->bad_object; + return ctx->bad_object; } static inline void -__br_stub_mark_object_bad (br_stub_inode_ctx_t *ctx) +__br_stub_mark_object_bad(br_stub_inode_ctx_t *ctx) { - ctx->bad_object = _gf_true; + ctx->bad_object = _gf_true; } /* inode writeback helpers */ static inline void -__br_stub_mark_inode_dirty (br_stub_inode_ctx_t *ctx) +__br_stub_mark_inode_dirty(br_stub_inode_ctx_t *ctx) { - ctx->need_writeback |= I_DIRTY; + ctx->need_writeback |= I_DIRTY; } static inline void -__br_stub_mark_inode_synced (br_stub_inode_ctx_t *ctx) +__br_stub_mark_inode_synced(br_stub_inode_ctx_t *ctx) { - ctx->need_writeback &= ~I_DIRTY; + ctx->need_writeback &= ~I_DIRTY; } static inline int -__br_stub_is_inode_dirty (br_stub_inode_ctx_t *ctx) +__br_stub_is_inode_dirty(br_stub_inode_ctx_t *ctx) { - return (ctx->need_writeback & I_DIRTY); + return (ctx->need_writeback & I_DIRTY); } /* inode mofification markers */ static inline void -__br_stub_set_inode_modified (br_stub_inode_ctx_t *ctx) +__br_stub_set_inode_modified(br_stub_inode_ctx_t *ctx) { - ctx->need_writeback |= I_MODIFIED; + ctx->need_writeback |= I_MODIFIED; } static inline void -__br_stub_unset_inode_modified (br_stub_inode_ctx_t *ctx) +__br_stub_unset_inode_modified(br_stub_inode_ctx_t *ctx) { - ctx->need_writeback &= ~I_MODIFIED; + ctx->need_writeback &= ~I_MODIFIED; } static inline int -__br_stub_is_inode_modified (br_stub_inode_ctx_t *ctx) +__br_stub_is_inode_modified(br_stub_inode_ctx_t *ctx) { - return (ctx->need_writeback & I_MODIFIED); + return (ctx->need_writeback & I_MODIFIED); } - static inline int -br_stub_require_release_call (xlator_t *this, fd_t *fd, br_stub_fd_t **fd_ctx) +br_stub_require_release_call(xlator_t *this, fd_t *fd, br_stub_fd_t **fd_ctx) { - int32_t ret = 0; - br_stub_fd_t *br_stub_fd = NULL; + int32_t ret = 0; + br_stub_fd_t *br_stub_fd = NULL; - br_stub_fd = br_stub_fd_new (); - if (!br_stub_fd) - return -1; + br_stub_fd = br_stub_fd_new(); + if (!br_stub_fd) + return -1; - br_stub_fd->fd = fd; - INIT_LIST_HEAD (&br_stub_fd->list); + br_stub_fd->fd = fd; + INIT_LIST_HEAD(&br_stub_fd->list); - ret = br_stub_fd_ctx_set (this, fd, br_stub_fd); - if (ret) - gf_msg (this->name, GF_LOG_WARNING, 0, - BRS_MSG_SET_CONTEXT_FAILED, - "could not set fd context (for release callback"); - else - *fd_ctx = br_stub_fd; + ret = br_stub_fd_ctx_set(this, fd, br_stub_fd); + if (ret) + gf_msg(this->name, GF_LOG_WARNING, 0, BRS_MSG_SET_CONTEXT_FAILED, + "could not set fd context (for release callback"); + else + *fd_ctx = br_stub_fd; - return ret; + return ret; } /* get/set inode context helpers */ static inline int -__br_stub_get_inode_ctx (xlator_t *this, - inode_t *inode, uint64_t *ctx) +__br_stub_get_inode_ctx(xlator_t *this, inode_t *inode, uint64_t *ctx) { - return __inode_ctx_get (inode, this, ctx); + return __inode_ctx_get(inode, this, ctx); } static inline int -br_stub_get_inode_ctx (xlator_t *this, - inode_t *inode, uint64_t *ctx) +br_stub_get_inode_ctx(xlator_t *this, inode_t *inode, uint64_t *ctx) { - int ret = -1; + int ret = -1; - LOCK (&inode->lock); - { - ret = __br_stub_get_inode_ctx (this, inode, ctx); - } - UNLOCK (&inode->lock); + LOCK(&inode->lock); + { + ret = __br_stub_get_inode_ctx(this, inode, ctx); + } + UNLOCK(&inode->lock); - return ret; + return ret; } static inline int -br_stub_set_inode_ctx (xlator_t *this, - inode_t *inode, br_stub_inode_ctx_t *ctx) +br_stub_set_inode_ctx(xlator_t *this, inode_t *inode, br_stub_inode_ctx_t *ctx) { - uint64_t ctx_addr = (uint64_t) ctx; - return inode_ctx_set (inode, this, &ctx_addr); + uint64_t ctx_addr = (uint64_t)ctx; + return inode_ctx_set(inode, this, &ctx_addr); } /* version get/set helpers */ static inline unsigned long -__br_stub_writeback_version (br_stub_inode_ctx_t *ctx) +__br_stub_writeback_version(br_stub_inode_ctx_t *ctx) { - return (ctx->currentversion + 1); + return (ctx->currentversion + 1); } static inline void -__br_stub_set_ongoing_version (br_stub_inode_ctx_t *ctx, unsigned long version) +__br_stub_set_ongoing_version(br_stub_inode_ctx_t *ctx, unsigned long version) { - if (ctx->currentversion < version) - ctx->currentversion = version; - else - gf_msg ("bit-rot-stub", GF_LOG_WARNING, 0, - BRS_MSG_CHANGE_VERSION_FAILED, "current version: %lu" - "new version: %lu", ctx->currentversion, version); + if (ctx->currentversion < version) + ctx->currentversion = version; + else + gf_msg("bit-rot-stub", GF_LOG_WARNING, 0, BRS_MSG_CHANGE_VERSION_FAILED, + "current version: %lu" + "new version: %lu", + ctx->currentversion, version); } static inline int -__br_stub_can_trigger_release (inode_t *inode, - br_stub_inode_ctx_t *ctx, unsigned long *version) +__br_stub_can_trigger_release(inode_t *inode, br_stub_inode_ctx_t *ctx, + unsigned long *version) { - /** - * If the inode is modified, then it has to be dirty. An inode is - * marked dirty once version is increased. Its marked as modified - * when the modification call (write/truncate) which triggered - * the versioning is successful. - */ - if (__br_stub_is_inode_modified (ctx) - && list_empty (&ctx->fd_list) - && (ctx->info_sign != BR_SIGN_REOPEN_WAIT)) { - - GF_ASSERT (__br_stub_is_inode_dirty (ctx) == 0); - - if (version) - *version = htonl (ctx->currentversion); - return 1; - } - - return 0; + /** + * If the inode is modified, then it has to be dirty. An inode is + * marked dirty once version is increased. Its marked as modified + * when the modification call (write/truncate) which triggered + * the versioning is successful. + */ + if (__br_stub_is_inode_modified(ctx) && list_empty(&ctx->fd_list) && + (ctx->info_sign != BR_SIGN_REOPEN_WAIT)) { + GF_ASSERT(__br_stub_is_inode_dirty(ctx) == 0); + + if (version) + *version = htonl(ctx->currentversion); + return 1; + } + + return 0; } static inline int32_t -br_stub_get_ongoing_version (xlator_t *this, - inode_t *inode, unsigned long *version) +br_stub_get_ongoing_version(xlator_t *this, inode_t *inode, + unsigned long *version) { - int32_t ret = 0; - uint64_t ctx_addr = 0; - br_stub_inode_ctx_t *ctx = NULL; - - LOCK (&inode->lock); - { - ret = __inode_ctx_get (inode, this, &ctx_addr); - if (ret < 0) - goto unblock; - ctx = (br_stub_inode_ctx_t *) (long) ctx_addr; - *version = ctx->currentversion; - } - unblock: - UNLOCK (&inode->lock); - - return ret; + int32_t ret = 0; + uint64_t ctx_addr = 0; + br_stub_inode_ctx_t *ctx = NULL; + + LOCK(&inode->lock); + { + ret = __inode_ctx_get(inode, this, &ctx_addr); + if (ret < 0) + goto unblock; + ctx = (br_stub_inode_ctx_t *)(long)ctx_addr; + *version = ctx->currentversion; + } +unblock: + UNLOCK(&inode->lock); + + return ret; } /** @@ -332,45 +329,44 @@ br_stub_get_ongoing_version (xlator_t *this, * *needs* to be valid in the caller. */ static inline br_stub_inode_ctx_t * -__br_stub_get_ongoing_version_ctx (xlator_t *this, - inode_t *inode, unsigned long *version) +__br_stub_get_ongoing_version_ctx(xlator_t *this, inode_t *inode, + unsigned long *version) { - int32_t ret = 0; - uint64_t ctx_addr = 0; - br_stub_inode_ctx_t *ctx = NULL; - - ret = __inode_ctx_get (inode, this, &ctx_addr); - if (ret < 0) - return NULL; - ctx = (br_stub_inode_ctx_t *) (long) ctx_addr; - if (version) - *version = ctx->currentversion; - - return ctx; + int32_t ret = 0; + uint64_t ctx_addr = 0; + br_stub_inode_ctx_t *ctx = NULL; + + ret = __inode_ctx_get(inode, this, &ctx_addr); + if (ret < 0) + return NULL; + ctx = (br_stub_inode_ctx_t *)(long)ctx_addr; + if (version) + *version = ctx->currentversion; + + return ctx; } /* filter for xattr fetch */ static inline int -br_stub_is_internal_xattr (const char *name) +br_stub_is_internal_xattr(const char *name) { - if (name - && ((strncmp (name, BITROT_CURRENT_VERSION_KEY, - SLEN (BITROT_CURRENT_VERSION_KEY)) == 0) - || (strncmp (name, BITROT_SIGNING_VERSION_KEY, - SLEN (BITROT_SIGNING_VERSION_KEY)) == 0))) - return 1; - return 0; + if (name && ((strncmp(name, BITROT_CURRENT_VERSION_KEY, + SLEN(BITROT_CURRENT_VERSION_KEY)) == 0) || + (strncmp(name, BITROT_SIGNING_VERSION_KEY, + SLEN(BITROT_SIGNING_VERSION_KEY)) == 0))) + return 1; + return 0; } static inline void -br_stub_remove_vxattrs (dict_t *xattr) +br_stub_remove_vxattrs(dict_t *xattr) { - if (xattr) { - dict_del (xattr, BITROT_OBJECT_BAD_KEY); - dict_del (xattr, BITROT_CURRENT_VERSION_KEY); - dict_del (xattr, BITROT_SIGNING_VERSION_KEY); - dict_del (xattr, BITROT_SIGNING_XATTR_SIZE_KEY); - } + if (xattr) { + dict_del(xattr, BITROT_OBJECT_BAD_KEY); + dict_del(xattr, BITROT_CURRENT_VERSION_KEY); + dict_del(xattr, BITROT_SIGNING_VERSION_KEY); + dict_del(xattr, BITROT_SIGNING_XATTR_SIZE_KEY); + } } /** @@ -384,64 +380,63 @@ br_stub_remove_vxattrs (dict_t *xattr) * errors can be made into enums. */ static inline int -br_stub_is_bad_object (xlator_t *this, inode_t *inode) +br_stub_is_bad_object(xlator_t *this, inode_t *inode) { - int bad_object = 0; - gf_boolean_t tmp = _gf_false; - uint64_t ctx_addr = 0; - br_stub_inode_ctx_t *ctx = NULL; - int32_t ret = -1; - - ret = br_stub_get_inode_ctx (this, inode, &ctx_addr); - if (ret) { - gf_msg (this->name, GF_LOG_ERROR, 0, - BRS_MSG_GET_INODE_CONTEXT_FAILED, - "failed to get the inode context for the inode %s", - uuid_utoa (inode->gfid)); - bad_object = -1; - goto out; - } - - ctx = (br_stub_inode_ctx_t *)(long)ctx_addr; - - LOCK (&inode->lock); - { - tmp = __br_stub_is_bad_object (ctx); - if (tmp) - bad_object = -2; - } - UNLOCK (&inode->lock); + int bad_object = 0; + gf_boolean_t tmp = _gf_false; + uint64_t ctx_addr = 0; + br_stub_inode_ctx_t *ctx = NULL; + int32_t ret = -1; + + ret = br_stub_get_inode_ctx(this, inode, &ctx_addr); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, BRS_MSG_GET_INODE_CONTEXT_FAILED, + "failed to get the inode context for the inode %s", + uuid_utoa(inode->gfid)); + bad_object = -1; + goto out; + } + + ctx = (br_stub_inode_ctx_t *)(long)ctx_addr; + + LOCK(&inode->lock); + { + tmp = __br_stub_is_bad_object(ctx); + if (tmp) + bad_object = -2; + } + UNLOCK(&inode->lock); out: - return bad_object; + return bad_object; } static inline int32_t -br_stub_mark_object_bad (xlator_t *this, inode_t *inode) +br_stub_mark_object_bad(xlator_t *this, inode_t *inode) { - int32_t ret = -1; - uint64_t ctx_addr = 0; - br_stub_inode_ctx_t *ctx = NULL; - - ret = br_stub_get_inode_ctx (this, inode, &ctx_addr); - if (ret) { - gf_msg (this->name, GF_LOG_ERROR, 0, - BRS_MSG_GET_INODE_CONTEXT_FAILED, "failed to get the " - "inode context for the inode %s", - uuid_utoa (inode->gfid)); - goto out; - } - - ctx = (br_stub_inode_ctx_t *)(long)ctx_addr; - - LOCK (&inode->lock); - { - __br_stub_mark_object_bad (ctx); - } - UNLOCK (&inode->lock); + int32_t ret = -1; + uint64_t ctx_addr = 0; + br_stub_inode_ctx_t *ctx = NULL; + + ret = br_stub_get_inode_ctx(this, inode, &ctx_addr); + if (ret) { + gf_msg(this->name, GF_LOG_ERROR, 0, BRS_MSG_GET_INODE_CONTEXT_FAILED, + "failed to get the " + "inode context for the inode %s", + uuid_utoa(inode->gfid)); + goto out; + } + + ctx = (br_stub_inode_ctx_t *)(long)ctx_addr; + + LOCK(&inode->lock); + { + __br_stub_mark_object_bad(ctx); + } + UNLOCK(&inode->lock); out: - return ret; + return ret; } /** @@ -449,68 +444,68 @@ out: * given to the caller and the caller has to decide what to do. */ static inline int32_t -br_stub_mark_xdata_bad_object (xlator_t *this, inode_t *inode, dict_t *xdata) +br_stub_mark_xdata_bad_object(xlator_t *this, inode_t *inode, dict_t *xdata) { - int32_t ret = 0; + int32_t ret = 0; - if (br_stub_is_bad_object (this, inode) == -2) - ret = dict_set_int32 (xdata, GLUSTERFS_BAD_INODE, 1); + if (br_stub_is_bad_object(this, inode) == -2) + ret = dict_set_int32(xdata, GLUSTERFS_BAD_INODE, 1); - return ret; + return ret; } int32_t -br_stub_add_fd_to_inode (xlator_t *this, fd_t *fd, br_stub_inode_ctx_t *ctx); +br_stub_add_fd_to_inode(xlator_t *this, fd_t *fd, br_stub_inode_ctx_t *ctx); br_sign_state_t -__br_stub_inode_sign_state (br_stub_inode_ctx_t *ctx, glusterfs_fop_t fop, - fd_t *fd); +__br_stub_inode_sign_state(br_stub_inode_ctx_t *ctx, glusterfs_fop_t fop, + fd_t *fd); int -br_stub_dir_create (xlator_t *this, br_stub_private_t *priv); +br_stub_dir_create(xlator_t *this, br_stub_private_t *priv); int -br_stub_add (xlator_t *this, uuid_t gfid); +br_stub_add(xlator_t *this, uuid_t gfid); int32_t -br_stub_create_stub_gfid (xlator_t *this, char *stub_gfid_path, uuid_t gfid); +br_stub_create_stub_gfid(xlator_t *this, char *stub_gfid_path, uuid_t gfid); int -br_stub_dir_create (xlator_t *this, br_stub_private_t *priv); +br_stub_dir_create(xlator_t *this, br_stub_private_t *priv); call_stub_t * -__br_stub_dequeue (struct list_head *callstubs); +__br_stub_dequeue(struct list_head *callstubs); void -__br_stub_enqueue (struct list_head *callstubs, call_stub_t *stub); +__br_stub_enqueue(struct list_head *callstubs, call_stub_t *stub); void -br_stub_worker_enqueue (xlator_t *this, call_stub_t *stub); +br_stub_worker_enqueue(xlator_t *this, call_stub_t *stub); void * -br_stub_worker (void *data); +br_stub_worker(void *data); int32_t -br_stub_lookup_wrapper (call_frame_t *frame, xlator_t *this, - loc_t *loc, dict_t *xattr_req); +br_stub_lookup_wrapper(call_frame_t *frame, xlator_t *this, loc_t *loc, + dict_t *xattr_req); int32_t -br_stub_readdir_wrapper (call_frame_t *frame, xlator_t *this, - fd_t *fd, size_t size, off_t off, dict_t *xdata); +br_stub_readdir_wrapper(call_frame_t *frame, xlator_t *this, fd_t *fd, + size_t size, off_t off, dict_t *xdata); int -br_stub_del (xlator_t *this, uuid_t gfid); +br_stub_del(xlator_t *this, uuid_t gfid); int -br_stub_bad_objects_path (xlator_t *this, fd_t *fd, gf_dirent_t *entries, - dict_t **dict); +br_stub_bad_objects_path(xlator_t *this, fd_t *fd, gf_dirent_t *entries, + dict_t **dict); void -br_stub_entry_xattr_fill (xlator_t *this, char *hpath, gf_dirent_t *entry, - dict_t *dict); +br_stub_entry_xattr_fill(xlator_t *this, char *hpath, gf_dirent_t *entry, + dict_t *dict); int -br_stub_get_path_of_gfid (xlator_t *this, inode_t *parent, inode_t *inode, - uuid_t gfid, char **path); +br_stub_get_path_of_gfid(xlator_t *this, inode_t *parent, inode_t *inode, + uuid_t gfid, char **path); #endif /* __BIT_ROT_STUB_H__ */ |