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-rw-r--r--block/blk-mq-sysfs.c92
1 files changed, 0 insertions, 92 deletions
diff --git a/block/blk-mq-sysfs.c b/block/blk-mq-sysfs.c
index a0ae1f536ed0..f505da2c542e 100644
--- a/block/blk-mq-sysfs.c
+++ b/block/blk-mq-sysfs.c
@@ -139,21 +139,6 @@ static ssize_t blk_mq_sysfs_completed_show(struct blk_mq_ctx *ctx, char *page)
ctx->rq_completed[0]);
}
-static ssize_t blk_mq_hw_sysfs_poll_show(struct blk_mq_hw_ctx *hctx, char *page)
-{
- return sprintf(page, "considered=%lu, invoked=%lu, success=%lu\n",
- hctx->poll_considered, hctx->poll_invoked,
- hctx->poll_success);
-}
-
-static ssize_t blk_mq_hw_sysfs_poll_store(struct blk_mq_hw_ctx *hctx,
- const char *page, size_t size)
-{
- hctx->poll_considered = hctx->poll_invoked = hctx->poll_success = 0;
-
- return size;
-}
-
static ssize_t blk_mq_hw_sysfs_queued_show(struct blk_mq_hw_ctx *hctx,
char *page)
{
@@ -165,25 +150,6 @@ static ssize_t blk_mq_hw_sysfs_run_show(struct blk_mq_hw_ctx *hctx, char *page)
return sprintf(page, "%lu\n", hctx->run);
}
-static ssize_t blk_mq_hw_sysfs_dispatched_show(struct blk_mq_hw_ctx *hctx,
- char *page)
-{
- char *start_page = page;
- int i;
-
- page += sprintf(page, "%8u\t%lu\n", 0U, hctx->dispatched[0]);
-
- for (i = 1; i < BLK_MQ_MAX_DISPATCH_ORDER - 1; i++) {
- unsigned int d = 1U << (i - 1);
-
- page += sprintf(page, "%8u\t%lu\n", d, hctx->dispatched[i]);
- }
-
- page += sprintf(page, "%8u+\t%lu\n", 1U << (i - 1),
- hctx->dispatched[i]);
- return page - start_page;
-}
-
static ssize_t blk_mq_hw_sysfs_nr_tags_show(struct blk_mq_hw_ctx *hctx,
char *page)
{
@@ -219,47 +185,6 @@ static ssize_t blk_mq_hw_sysfs_cpus_show(struct blk_mq_hw_ctx *hctx, char *page)
return ret;
}
-static void blk_mq_stat_clear(struct blk_mq_hw_ctx *hctx)
-{
- struct blk_mq_ctx *ctx;
- unsigned int i;
-
- hctx_for_each_ctx(hctx, ctx, i) {
- blk_stat_init(&ctx->stat[BLK_STAT_READ]);
- blk_stat_init(&ctx->stat[BLK_STAT_WRITE]);
- }
-}
-
-static ssize_t blk_mq_hw_sysfs_stat_store(struct blk_mq_hw_ctx *hctx,
- const char *page, size_t count)
-{
- blk_mq_stat_clear(hctx);
- return count;
-}
-
-static ssize_t print_stat(char *page, struct blk_rq_stat *stat, const char *pre)
-{
- return sprintf(page, "%s samples=%llu, mean=%lld, min=%lld, max=%lld\n",
- pre, (long long) stat->nr_samples,
- (long long) stat->mean, (long long) stat->min,
- (long long) stat->max);
-}
-
-static ssize_t blk_mq_hw_sysfs_stat_show(struct blk_mq_hw_ctx *hctx, char *page)
-{
- struct blk_rq_stat stat[2];
- ssize_t ret;
-
- blk_stat_init(&stat[BLK_STAT_READ]);
- blk_stat_init(&stat[BLK_STAT_WRITE]);
-
- blk_hctx_stat_get(hctx, stat);
-
- ret = print_stat(page, &stat[BLK_STAT_READ], "read :");
- ret += print_stat(page + ret, &stat[BLK_STAT_WRITE], "write:");
- return ret;
-}
-
static struct blk_mq_ctx_sysfs_entry blk_mq_sysfs_dispatched = {
.attr = {.name = "dispatched", .mode = S_IRUGO },
.show = blk_mq_sysfs_dispatched_show,
@@ -288,10 +213,6 @@ static struct blk_mq_hw_ctx_sysfs_entry blk_mq_hw_sysfs_run = {
.attr = {.name = "run", .mode = S_IRUGO },
.show = blk_mq_hw_sysfs_run_show,
};
-static struct blk_mq_hw_ctx_sysfs_entry blk_mq_hw_sysfs_dispatched = {
- .attr = {.name = "dispatched", .mode = S_IRUGO },
- .show = blk_mq_hw_sysfs_dispatched_show,
-};
static struct blk_mq_hw_ctx_sysfs_entry blk_mq_hw_sysfs_nr_tags = {
.attr = {.name = "nr_tags", .mode = S_IRUGO },
.show = blk_mq_hw_sysfs_nr_tags_show,
@@ -308,27 +229,14 @@ static struct blk_mq_hw_ctx_sysfs_entry blk_mq_hw_sysfs_cpus = {
.attr = {.name = "cpu_list", .mode = S_IRUGO },
.show = blk_mq_hw_sysfs_cpus_show,
};
-static struct blk_mq_hw_ctx_sysfs_entry blk_mq_hw_sysfs_poll = {
- .attr = {.name = "io_poll", .mode = S_IWUSR | S_IRUGO },
- .show = blk_mq_hw_sysfs_poll_show,
- .store = blk_mq_hw_sysfs_poll_store,
-};
-static struct blk_mq_hw_ctx_sysfs_entry blk_mq_hw_sysfs_stat = {
- .attr = {.name = "stats", .mode = S_IRUGO | S_IWUSR },
- .show = blk_mq_hw_sysfs_stat_show,
- .store = blk_mq_hw_sysfs_stat_store,
-};
static struct attribute *default_hw_ctx_attrs[] = {
&blk_mq_hw_sysfs_queued.attr,
&blk_mq_hw_sysfs_run.attr,
- &blk_mq_hw_sysfs_dispatched.attr,
&blk_mq_hw_sysfs_nr_tags.attr,
&blk_mq_hw_sysfs_nr_reserved_tags.attr,
&blk_mq_hw_sysfs_cpus.attr,
&blk_mq_hw_sysfs_active.attr,
- &blk_mq_hw_sysfs_poll.attr,
- &blk_mq_hw_sysfs_stat.attr,
NULL,
};