1*2d39f681SAishwarya PantWhat: /sys/block/loopX/loop/autoclear 2*2d39f681SAishwarya PantDate: Aug, 2010 3*2d39f681SAishwarya PantKernelVersion: v2.6.37 4*2d39f681SAishwarya PantContact: linux-block@vger.kernel.org 5*2d39f681SAishwarya PantDescription: 6*2d39f681SAishwarya Pant (RO) Shows if the device is in autoclear mode or not ( "1" or 7*2d39f681SAishwarya Pant "0"). Autoclear (if set) indicates that the loopback device will 8*2d39f681SAishwarya Pant self-distruct after last close. 9*2d39f681SAishwarya Pant 10*2d39f681SAishwarya PantWhat: /sys/block/loopX/loop/backing_file 11*2d39f681SAishwarya PantDate: Aug, 2010 12*2d39f681SAishwarya PantKernelVersion: v2.6.37 13*2d39f681SAishwarya PantContact: linux-block@vger.kernel.org 14*2d39f681SAishwarya PantDescription: 15*2d39f681SAishwarya Pant (RO) The path of the backing file that the loop device maps its 16*2d39f681SAishwarya Pant data blocks to. 17*2d39f681SAishwarya Pant 18*2d39f681SAishwarya PantWhat: /sys/block/loopX/loop/offset 19*2d39f681SAishwarya PantDate: Aug, 2010 20*2d39f681SAishwarya PantKernelVersion: v2.6.37 21*2d39f681SAishwarya PantContact: linux-block@vger.kernel.org 22*2d39f681SAishwarya PantDescription: 23*2d39f681SAishwarya Pant (RO) Start offset (in bytes). 24*2d39f681SAishwarya Pant 25*2d39f681SAishwarya PantWhat: /sys/block/loopX/loop/sizelimit 26*2d39f681SAishwarya PantDate: Aug, 2010 27*2d39f681SAishwarya PantKernelVersion: v2.6.37 28*2d39f681SAishwarya PantContact: linux-block@vger.kernel.org 29*2d39f681SAishwarya PantDescription: 30*2d39f681SAishwarya Pant (RO) The size (in bytes) that the block device maps, starting 31*2d39f681SAishwarya Pant from the offset. 32*2d39f681SAishwarya Pant 33*2d39f681SAishwarya PantWhat: /sys/block/loopX/loop/partscan 34*2d39f681SAishwarya PantDate: Aug, 2011 35*2d39f681SAishwarya PantKernelVersion: v3.10 36*2d39f681SAishwarya PantContact: linux-block@vger.kernel.org 37*2d39f681SAishwarya PantDescription: 38*2d39f681SAishwarya Pant (RO) Shows if automatic partition scanning is enabled for the 39*2d39f681SAishwarya Pant device or not ("1" or "0"). This can be requested individually 40*2d39f681SAishwarya Pant per loop device during its setup by setting LO_FLAGS_PARTSCAN in 41*2d39f681SAishwarya Pant in the ioctl request. By default, no partition tables are 42*2d39f681SAishwarya Pant scanned. 43*2d39f681SAishwarya Pant 44*2d39f681SAishwarya PantWhat: /sys/block/loopX/loop/dio 45*2d39f681SAishwarya PantDate: Aug, 2015 46*2d39f681SAishwarya PantKernelVersion: v4.10 47*2d39f681SAishwarya PantContact: linux-block@vger.kernel.org 48*2d39f681SAishwarya PantDescription: 49*2d39f681SAishwarya Pant (RO) Shows if direct IO is being used to access backing file or 50*2d39f681SAishwarya Pant not ("1 or "0"). 51