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/Documentation/ABI/testing/sysfs-dev

https://bitbucket.org/sammyz/iscream_thunderc-2.6.35-rebase
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Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0 
    

  1. What:		/sys/dev
    2. 

  2. Date:		April 2008
    3. 

  3. KernelVersion:	2.6.26
    4. 

  4. Contact:	Dan Williams <dan.j.williams@intel.com>
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  5. Description:	The /sys/dev tree provides a method to look up the sysfs
    6. 

  6. 		path for a device using the information returned from
    7. 

  7. 		stat(2).  There are two directories, 'block' and 'char',
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  8. 		beneath /sys/dev containing symbolic links with names of
    9. 

  9. 		the form "<major>:<minor>".  These links point to the
    10. 

  10. 		corresponding sysfs path for the given device.
    11. 

  11. 

  12. 		Example:
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  13. 		$ readlink /sys/dev/block/8:32
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  14. 		../../block/sdc
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  15. 

  16. 		Entries in /sys/dev/char and /sys/dev/block will be
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  17. 		dynamically created and destroyed as devices enter and
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  18. 		leave the system.
    19. 

  19. 

  20. Users:		mdadm <linux-raid@vger.kernel.org>
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  21.