diff options
Diffstat (limited to 'block/blk-mq-sysfs.c')
-rw-r--r-- | block/blk-mq-sysfs.c | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/block/blk-mq-sysfs.c b/block/blk-mq-sysfs.c index b66bbf13c..fe822aa5b 100644 --- a/block/blk-mq-sysfs.c +++ b/block/blk-mq-sysfs.c @@ -247,47 +247,6 @@ 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[0]); - blk_stat_init(&ctx->stat[1]); - } -} - -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[0]); - blk_stat_init(&stat[1]); - - blk_hctx_stat_get(hctx, stat); - - ret = print_stat(page, &stat[0], "read :"); - ret += print_stat(page + ret, &stat[1], "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, @@ -345,11 +304,6 @@ static struct blk_mq_hw_ctx_sysfs_entry blk_mq_hw_sysfs_poll = { .attr = {.name = "io_poll", .mode = S_IRUGO }, .show = blk_mq_hw_sysfs_poll_show, }; -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, @@ -360,7 +314,6 @@ static struct attribute *default_hw_ctx_attrs[] = { &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, }; |