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authorHorst Hummel <horst.hummel@de.ibm.com>2006-03-07 21:55:39 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-08 14:14:01 -0800
commit90f0094dc607abe384a412bfb7199fb667ab0735 (patch)
tree2cd4c048a95d49a532bd237388f2b50ceb55ceb6 /arch/sh64
parentfbcae7eafcf7dfb315602de935d7ca85574e5c11 (diff)
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[PATCH] s390: dasd partition detection
DASD allows to open a device as soon as gendisk is registered, which means the device is a fake device (capacity=0) and we do know nothing about blocksize and partitions at that point of time. In case the device is opened by someone, the bdev and inode creation is done with the fake device info and the following partition detection code is just using the wrong data. To avoid this modify the DASD state machine to make sure that the open is rejected until the device analysis is either finished or an unformatted device was detected. Signed-off-by: Horst Hummel <horst.hummel@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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