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-rw-r--r--xlators/performance/write-behind/src/write-behind.c74
1 files changed, 27 insertions, 47 deletions
diff --git a/xlators/performance/write-behind/src/write-behind.c b/xlators/performance/write-behind/src/write-behind.c
index 10e8ec4b147..97142e68a7b 100644
--- a/xlators/performance/write-behind/src/write-behind.c
+++ b/xlators/performance/write-behind/src/write-behind.c
@@ -66,6 +66,7 @@ typedef struct wb_request {
list_head_t unwinds;
list_head_t other_requests;
call_stub_t *stub;
+ size_t write_size;
int32_t refcount;
wb_file_t *file;
union {
@@ -227,7 +228,8 @@ wb_enqueue (wb_file_t *file, call_stub_t *stub)
frame = stub->frame;
local = frame->local;
- local->op_ret = iov_length (vector, count);
+ request->write_size = iov_length (vector, count);
+ local->op_ret = request->write_size;
local->op_errno = 0;
}
@@ -421,8 +423,7 @@ wb_sync (call_frame_t *frame, wb_file_t *file, list_head_t *winds)
bytecount);
copied += bytecount;
- current_size += iov_length (request->stub->args.writev.vector,
- request->stub->args.writev.count);
+ current_size += request->write_size;
if (request->stub->args.writev.iobref) {
iobref_merge (iobref,
@@ -441,8 +442,7 @@ wb_sync (call_frame_t *frame, wb_file_t *file, list_head_t *winds)
if ((!next)
|| ((count + next->stub->args.writev.count)
> MAX_VECTOR_COUNT)
- || ((current_size + iov_length (next->stub->args.writev.vector,
- next->stub->args.writev.count))
+ || ((current_size + next->write_size)
> conf->aggregate_size))
{
sync_frame = copy_frame (frame);
@@ -1279,11 +1279,8 @@ __wb_mark_wind_all (list_head_t *list, list_head_t *winds)
{
wb_request_t *request = NULL;
size_t size = 0;
- struct iovec *vector = NULL;
- int32_t count = 0;
char first_request = 1;
off_t offset_expected = 0;
- size_t length = 0;
list_for_each_entry (request, list, list)
{
@@ -1292,8 +1289,6 @@ __wb_mark_wind_all (list_head_t *list, list_head_t *winds)
break;
}
- vector = request->stub->args.writev.vector;
- count = request->stub->args.writev.count;
if (!request->flags.write_request.stack_wound) {
if (first_request) {
first_request = 0;
@@ -1304,9 +1299,8 @@ __wb_mark_wind_all (list_head_t *list, list_head_t *winds)
break;
}
- length = iov_length (vector, count);
- size += length;
- offset_expected += length;
+ size += request->write_size;
+ offset_expected += request->write_size;
request->flags.write_request.stack_wound = 1;
list_add_tail (&request->winds, winds);
@@ -1323,9 +1317,7 @@ __wb_can_wind (list_head_t *list, size_t aggregate_conf,
char *incomplete_writes, char *enough_data_aggregated)
{
wb_request_t *request = NULL;
- size_t aggregate_current = 0, length = 0;
- struct iovec *vector = NULL;
- int32_t count = 0;
+ size_t aggregate_current = 0;
char first_request = 1;
off_t offset_expected = 0;
@@ -1346,8 +1338,6 @@ __wb_can_wind (list_head_t *list, size_t aggregate_conf,
break;
}
- vector = request->stub->args.writev.vector;
- count = request->stub->args.writev.count;
if (!request->flags.write_request.stack_wound) {
if (first_request) {
first_request = 0;
@@ -1361,9 +1351,8 @@ __wb_can_wind (list_head_t *list, size_t aggregate_conf,
break;
}
- length = iov_length (vector, count);
- aggregate_current += length;
- offset_expected += length;
+ aggregate_current += request->write_size;
+ offset_expected += request->write_size;
if (aggregate_current >= aggregate_conf) {
if (enough_data_aggregated != NULL) {
@@ -1414,8 +1403,6 @@ __wb_can_unwind (list_head_t *list, size_t window_conf,
{
wb_request_t *request = NULL;
size_t window_current = 0;
- struct iovec *vector = NULL;
- int32_t count = 0;
char can_unwind = 1;
list_for_each_entry (request, list, list)
@@ -1425,13 +1412,10 @@ __wb_can_unwind (list_head_t *list, size_t window_conf,
continue;
}
- vector = request->stub->args.writev.vector;
- count = request->stub->args.writev.count;
-
if (request->flags.write_request.write_behind
&& !request->flags.write_request.got_reply)
{
- window_current += iov_length (vector, count);
+ window_current += request->write_size;
if (window_current > window_conf) {
can_unwind = 0;
break;
@@ -1452,8 +1436,6 @@ __wb_mark_unwind_till (list_head_t *list, list_head_t *unwinds, size_t size)
{
size_t written_behind = 0;
wb_request_t *request = NULL;
- struct iovec *vector = NULL;
- int32_t count = 0;
list_for_each_entry (request, list, list)
{
@@ -1462,12 +1444,9 @@ __wb_mark_unwind_till (list_head_t *list, list_head_t *unwinds, size_t size)
continue;
}
- vector = request->stub->args.writev.vector;
- count = request->stub->args.writev.count;
-
if (written_behind <= size) {
if (!request->flags.write_request.write_behind) {
- written_behind += iov_length (vector, count);
+ written_behind += request->write_size;
request->flags.write_request.write_behind = 1;
list_add_tail (&request->unwinds, unwinds);
}
@@ -1611,7 +1590,7 @@ __wb_collapse_write_bufs (list_head_t *requests, size_t page_size)
{
off_t offset_expected = 0;
- size_t space_left = 0, length = 0, *iov_len = NULL;
+ size_t space_left = 0, *iov_len = NULL, *write_size = NULL;
char *ptr = NULL, first_request = 1;
wb_request_t *request = NULL, *tmp = NULL;
@@ -1625,46 +1604,47 @@ __wb_collapse_write_bufs (list_head_t *requests, size_t page_size)
}
if (request->flags.write_request.write_behind) {
- length = iov_length (request->stub->args.writev.vector,
- request->stub->args.writev.count);
-
if (first_request) {
first_request = 0;
offset_expected = request->stub->args.writev.off;
}
if (request->stub->args.writev.off != offset_expected) {
- offset_expected = request->stub->args.writev.off + length;
- space_left = page_size - length;
+ offset_expected = request->stub->args.writev.off
+ + request->write_size;
+ space_left = page_size - request->write_size;
ptr = request->stub->args.writev.vector[0].iov_base
- + length;
+ + request->write_size;
iov_len = &request->stub->args.writev.vector[0].iov_len;
+ write_size = &request->write_size;
continue;
}
- if (space_left >= length) {
+ if (space_left >= request->write_size) {
iov_unload (ptr,
request->stub->args.writev.vector,
request->stub->args.writev.count);
- space_left -= length;
- ptr += length;
- *iov_len = *iov_len + length;
+ space_left -= request->write_size;
+ ptr += request->write_size;
+ *iov_len = *iov_len + request->write_size;
+ *write_size = *write_size + request->write_size;
list_move_tail (&request->list,
&request->file->passive_requests);
__wb_request_unref (request);
} else {
- space_left = page_size - length;
+ space_left = page_size - request->write_size;
ptr = request->stub->args.writev.vector[0].iov_base
- + length;
+ + request->write_size;
iov_len = &request->stub->args.writev.vector[0].iov_len;
+ write_size = &request->write_size;
}
} else {
break;
}
- offset_expected += length;
+ offset_expected += request->write_size;
}
}
generated by cgit (git 2.34.1) at 2024-11-15 23:21:37 +0000