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Frank Munzert a695f16729 [S390] vmur: Use wait queue instead of mutex to serialize open ... If user space opens a unit record device node then vmur is leaving the kernel with lock open_mutex still held to prevent other processes from opening the device simultaneously. This causes lockdep to complain about a lock held when returning to user space. Now the mutex is replaced by a wait queue to serialize device open. Signed-off-by: Frank Munzert <munzert@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>		17 years ago
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vmur.c	[S390] vmur: Use wait queue instead of mutex to serialize open	17 years ago
vmur.h	[S390] vmur: Use wait queue instead of mutex to serialize open	17 years ago
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