diff options
Diffstat (limited to 'xlators')
| -rw-r--r-- | xlators/performance/write-behind/src/write-behind.c | 57 |
1 files changed, 30 insertions, 27 deletions
diff --git a/xlators/performance/write-behind/src/write-behind.c b/xlators/performance/write-behind/src/write-behind.c index bec3762f5d9..622944b05b0 100644 --- a/xlators/performance/write-behind/src/write-behind.c +++ b/xlators/performance/write-behind/src/write-behind.c @@ -50,6 +50,7 @@ typedef struct wb_file { uint64_t disable_till; size_t window_conf; size_t window_current; + size_t aggregate_current; int32_t refcount; int32_t op_ret; int32_t op_errno; @@ -243,6 +244,8 @@ wb_enqueue (wb_file_t *file, call_stub_t *stub) /* reference for stack unwinding */ __wb_request_ref (request); + + file->aggregate_current += request->write_size; } else { /*reference for resuming */ __wb_request_ref (request); @@ -1281,7 +1284,7 @@ wb_create (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags, size_t -__wb_mark_wind_all (list_head_t *list, list_head_t *winds) +__wb_mark_wind_all (wb_file_t *file, list_head_t *list, list_head_t *winds) { wb_request_t *request = NULL; size_t size = 0; @@ -1307,6 +1310,7 @@ __wb_mark_wind_all (list_head_t *list, list_head_t *winds) size += request->write_size; offset_expected += request->write_size; + file->aggregate_current -= request->write_size; request->flags.write_request.stack_wound = 1; list_add_tail (&request->winds, winds); @@ -1318,12 +1322,10 @@ __wb_mark_wind_all (list_head_t *list, list_head_t *winds) void -__wb_can_wind (list_head_t *list, size_t aggregate_conf, - char *other_fop_in_queue, char *non_contiguous_writes, - char *incomplete_writes, char *enough_data_aggregated) +__wb_can_wind (list_head_t *list, char *other_fop_in_queue, + char *non_contiguous_writes, char *incomplete_writes) { wb_request_t *request = NULL; - size_t aggregate_current = 0; char first_request = 1; off_t offset_expected = 0; @@ -1357,15 +1359,7 @@ __wb_can_wind (list_head_t *list, size_t aggregate_conf, break; } - aggregate_current += request->write_size; offset_expected += request->write_size; - - if (aggregate_current >= aggregate_conf) { - if (enough_data_aggregated != NULL) { - *enough_data_aggregated = 1; - } - break; - } } } @@ -1377,28 +1371,37 @@ ssize_t __wb_mark_winds (list_head_t *list, list_head_t *winds, size_t aggregate_conf, char wind_all, char enable_trickling_writes) { - size_t size = 0; - char other_fop_in_queue = 0; - char incomplete_writes = 1; - char non_contiguous_writes = 0; - char enough_data_aggregated = 0; - char *trickling_writes = NULL; + size_t size = 0; + char other_fop_in_queue = 0; + char incomplete_writes = 1; + char non_contiguous_writes = 0; + char *trickling_writes = NULL; + wb_request_t *request = NULL; + wb_file_t *file = NULL; - if (enable_trickling_writes) { - trickling_writes = &incomplete_writes; + if (list_empty (list)) { + goto out; } - if (!wind_all) { - __wb_can_wind (list, aggregate_conf, &other_fop_in_queue, - &non_contiguous_writes, trickling_writes, - &enough_data_aggregated); + request = list_entry (list->next, typeof (*request), list); + file = request->file; + + if (!wind_all && (file->aggregate_current < aggregate_conf)) { + if (enable_trickling_writes) { + trickling_writes = &incomplete_writes; + } + + __wb_can_wind (list, &other_fop_in_queue, + &non_contiguous_writes, trickling_writes); } if ((!incomplete_writes) || (wind_all) || (non_contiguous_writes) - || (other_fop_in_queue) || (enough_data_aggregated)) { - size = __wb_mark_wind_all (list, winds); + || (other_fop_in_queue) + || (file->aggregate_current >= aggregate_conf)) { + size = __wb_mark_wind_all (file, list, winds); } +out: return size; } |