修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/Documentation/ABI/testing/procfs-diskstats
..
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@@ -6,27 +6,38 @@
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 		of block devices. Each line contains the following 14
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 		fields:
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-		 1 - major number
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-		 2 - minor mumber
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-		 3 - device name
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-		 4 - reads completed successfully
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-		 5 - reads merged
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-		 6 - sectors read
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-		 7 - time spent reading (ms)
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-		 8 - writes completed
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-		 9 - writes merged
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-		10 - sectors written
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-		11 - time spent writing (ms)
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-		12 - I/Os currently in progress
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-		13 - time spent doing I/Os (ms)
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-		14 - weighted time spent doing I/Os (ms)
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+		==  ===================================
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+		 1  major number
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+		 2  minor mumber
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+		 3  device name
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+		 4  reads completed successfully
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+		 5  reads merged
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+		 6  sectors read
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+		 7  time spent reading (ms)
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+		 8  writes completed
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+		 9  writes merged
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+		10  sectors written
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+		11  time spent writing (ms)
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+		12  I/Os currently in progress
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+		13  time spent doing I/Os (ms)
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+		14  weighted time spent doing I/Os (ms)
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+		==  ===================================
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 		Kernel 4.18+ appends four more fields for discard
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 		tracking putting the total at 18:
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-		15 - discards completed successfully
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-		16 - discards merged
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-		17 - sectors discarded
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-		18 - time spent discarding
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+		==  ===================================
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+		15  discards completed successfully
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+		16  discards merged
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+		17  sectors discarded
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+		18  time spent discarding
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+		==  ===================================
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-		For more details refer to Documentation/iostats.txt
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+		Kernel 5.5+ appends two more fields for flush requests:
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+
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+		==  =====================================
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+		19  flush requests completed successfully
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+		20  time spent flushing
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+		==  =====================================
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+
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+		For more details refer to Documentation/admin-guide/iostats.rst