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2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/block/blk-mq-sched.c
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@@ -45,8 +45,7 @@
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 }
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 /*
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- * Mark a hardware queue as needing a restart. For shared queues, maintain
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- * a count of how many hardware queues are marked for restart.
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+ * Mark a hardware queue as needing a restart.
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  */
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 void blk_mq_sched_mark_restart_hctx(struct blk_mq_hw_ctx *hctx)
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 {
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@@ -109,7 +108,7 @@
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 /*
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  * Only SCSI implements .get_budget and .put_budget, and SCSI restarts
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  * its queue by itself in its completion handler, so we don't need to
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- * restart queue if .get_budget() returns BLK_STS_NO_RESOURCE.
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+ * restart queue if .get_budget() fails to get the budget.
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  *
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  * Returns -EAGAIN if hctx->dispatch was found non-empty and run_work has to
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  * be run again.  This is necessary to avoid starving flushes.
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@@ -223,7 +222,7 @@
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 /*
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  * Only SCSI implements .get_budget and .put_budget, and SCSI restarts
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  * its queue by itself in its completion handler, so we don't need to
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- * restart queue if .get_budget() returns BLK_STS_NO_RESOURCE.
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+ * restart queue if .get_budget() fails to get the budget.
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  *
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  * Returns -EAGAIN if hctx->dispatch was found non-empty and run_work has to
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  * be run again.  This is necessary to avoid starving flushes.