modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/Documentation/ABI/testing/sysfs-class-bdi
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..
@@ -24,7 +24,6 @@
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 	filesystems which do not provide their own BDI.
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 Files under /sys/class/bdi/<bdi>/
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----------------------------------
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 read_ahead_kb (read-write)
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