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@@ -258,10 +258,21 @@ config SCSI_SCAN_ASYNC
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or async on the kernel's command line.
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config SCSI_WAIT_SCAN
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- tristate
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+ tristate # No prompt here, this is an invisible symbol.
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default m
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depends on SCSI
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depends on MODULES
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+# scsi_wait_scan is a loadable module which waits until all the async scans are
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+# complete. The idea is to use it in initrd/ initramfs scripts. You modprobe
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+# it after all the modprobes of the root SCSI drivers and it will wait until
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+# they have all finished scanning their buses before allowing the boot to
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+# proceed. (This method is not applicable if targets boot independently in
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+# parallel with the initiator, or with transports with non-deterministic target
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+# discovery schemes, or if a transport driver does not support scsi_wait_scan.)
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+#
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+# This symbol is not exposed as a prompt because little is to be gained by
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+# disabling it, whereas people who accidentally switch it off may wonder why
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+# their mkinitrd gets into trouble.
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menu "SCSI Transports"
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depends on SCSI
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