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Diffstat (limited to 'block/blk-mq-sysfs.c')
-rw-r--r--block/blk-mq-sysfs.c42
1 files changed, 0 insertions, 42 deletions
diff --git a/block/blk-mq-sysfs.c b/block/blk-mq-sysfs.c
index 9176a6984857..8145b5b25b4b 100644
--- a/block/blk-mq-sysfs.c
+++ b/block/blk-mq-sysfs.c
@@ -203,42 +203,6 @@ static ssize_t blk_mq_hw_sysfs_rq_list_show(struct blk_mq_hw_ctx *hctx,
return ret;
}
-static ssize_t blk_mq_hw_sysfs_ipi_show(struct blk_mq_hw_ctx *hctx, char *page)
-{
- ssize_t ret;
-
- spin_lock(&hctx->lock);
- ret = sprintf(page, "%u\n", !!(hctx->flags & BLK_MQ_F_SHOULD_IPI));
- spin_unlock(&hctx->lock);
-
- return ret;
-}
-
-static ssize_t blk_mq_hw_sysfs_ipi_store(struct blk_mq_hw_ctx *hctx,
- const char *page, size_t len)
-{
- struct blk_mq_ctx *ctx;
- unsigned long ret;
- unsigned int i;
-
- if (kstrtoul(page, 10, &ret)) {
- pr_err("blk-mq-sysfs: invalid input '%s'\n", page);
- return -EINVAL;
- }
-
- spin_lock(&hctx->lock);
- if (ret)
- hctx->flags |= BLK_MQ_F_SHOULD_IPI;
- else
- hctx->flags &= ~BLK_MQ_F_SHOULD_IPI;
- spin_unlock(&hctx->lock);
-
- hctx_for_each_ctx(hctx, ctx, i)
- ctx->ipi_redirect = !!ret;
-
- return len;
-}
-
static ssize_t blk_mq_hw_sysfs_tags_show(struct blk_mq_hw_ctx *hctx, char *page)
{
return blk_mq_tag_sysfs_show(hctx->tags, page);
@@ -307,11 +271,6 @@ static struct blk_mq_hw_ctx_sysfs_entry blk_mq_hw_sysfs_pending = {
.attr = {.name = "pending", .mode = S_IRUGO },
.show = blk_mq_hw_sysfs_rq_list_show,
};
-static struct blk_mq_hw_ctx_sysfs_entry blk_mq_hw_sysfs_ipi = {
- .attr = {.name = "ipi_redirect", .mode = S_IRUGO | S_IWUSR},
- .show = blk_mq_hw_sysfs_ipi_show,
- .store = blk_mq_hw_sysfs_ipi_store,
-};
static struct blk_mq_hw_ctx_sysfs_entry blk_mq_hw_sysfs_tags = {
.attr = {.name = "tags", .mode = S_IRUGO },
.show = blk_mq_hw_sysfs_tags_show,
@@ -326,7 +285,6 @@ static struct attribute *default_hw_ctx_attrs[] = {
&blk_mq_hw_sysfs_run.attr,
&blk_mq_hw_sysfs_dispatched.attr,
&blk_mq_hw_sysfs_pending.attr,
- &blk_mq_hw_sysfs_ipi.attr,
&blk_mq_hw_sysfs_tags.attr,
&blk_mq_hw_sysfs_cpus.attr,
NULL,