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Arnd Bergmann 6e9624b8ca block: push down BKL into .open and .release ... The open and release block_device_operations are currently called with the BKL held. In order to change that, we must first make sure that all drivers that currently rely on this have no regressions. This blindly pushes the BKL into all .open and .release operations for all block drivers to prepare for the next step. The drivers can subsequently replace the BKL with their own locks or remove it completely when it can be shown that it is not needed. The functions blkdev_get and blkdev_put are the only remaining users of the big kernel lock in the block layer, besides a few uses in the ioctl code, none of which need to serialize with blkdev_{get,put}. Most of these two functions is also under the protection of bdev->bd_mutex, including the actual calls to ->open and ->release, and the common code does not access any global data structures that need the BKL. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>		15 years ago
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alpha	remove needless ISA_DMA_THRESHOLD	15 years ago
arm	Merge master.kernel.org:/home/rmk/linux-2.6-arm	15 years ago
avr32	remove needless ISA_DMA_THRESHOLD	15 years ago
blackfin	remove needless ISA_DMA_THRESHOLD	15 years ago
cris	remove needless ISA_DMA_THRESHOLD	15 years ago
frv	remove needless ISA_DMA_THRESHOLD	15 years ago
h8300	remove needless ISA_DMA_THRESHOLD	15 years ago
ia64	remove needless ISA_DMA_THRESHOLD	15 years ago
m32r	remove needless ISA_DMA_THRESHOLD	15 years ago
m68k	remove needless ISA_DMA_THRESHOLD	15 years ago
m68knommu	Merge branch 'for-35' of git://repo.or.cz/linux-kbuild	15 years ago
microblaze	remove needless ISA_DMA_THRESHOLD	15 years ago
mips	remove needless ISA_DMA_THRESHOLD	15 years ago
mn10300	remove needless ISA_DMA_THRESHOLD	15 years ago
parisc	remove needless ISA_DMA_THRESHOLD	15 years ago
powerpc	remove needless ISA_DMA_THRESHOLD	15 years ago
s390	remove needless ISA_DMA_THRESHOLD	15 years ago
score	remove needless ISA_DMA_THRESHOLD	15 years ago
sh	remove needless ISA_DMA_THRESHOLD	15 years ago
sparc	remove needless ISA_DMA_THRESHOLD	15 years ago
um	block: push down BKL into .open and .release	15 years ago
x86	remove needless ISA_DMA_THRESHOLD	15 years ago
xtensa	remove needless ISA_DMA_THRESHOLD	15 years ago
.gitignore	…
Kconfig	…