mirror of https://gitee.com/openkylin/linux.git
43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
/*
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* scsi_wait_scan.c
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*
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* Copyright (C) 2006 James Bottomley <James.Bottomley@SteelEye.com>
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*
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* This is a simple module to wait until all the async scans are
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* complete. The idea is to use it in initrd/initramfs scripts. You
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* modprobe it after all the modprobes of the root SCSI drivers and it
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* will wait until they have all finished scanning their busses before
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* allowing the boot to proceed
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*/
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#include <linux/module.h>
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#include <linux/device.h>
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#include <scsi/scsi_scan.h>
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static int __init wait_scan_init(void)
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{
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/*
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* First we need to wait for device probing to finish;
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* the drivers we just loaded might just still be probing
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* and might not yet have reached the scsi async scanning
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*/
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wait_for_device_probe();
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/*
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* and then we wait for the actual asynchronous scsi scan
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* to finish.
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*/
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scsi_complete_async_scans();
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return 0;
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}
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static void __exit wait_scan_exit(void)
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{
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}
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MODULE_DESCRIPTION("SCSI wait for scans");
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MODULE_AUTHOR("James Bottomley");
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MODULE_LICENSE("GPL");
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late_initcall(wait_scan_init);
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module_exit(wait_scan_exit);
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