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authorChristoph Hellwig <hch@tuxera.com>2010-11-23 14:37:47 +0100
committerChristoph Hellwig <hch@lst.de>2010-11-23 14:37:47 +0100
commit52399b171dfaea02b6944cd6feba49b624147126 (patch)
tree199eda8c91a51fa1d4e3c792abd97d9c0a50ae26 /fs/jfs/namei.c
parent3b5ce8ae31e3c66655207907527476bbd3e5063b (diff)
hfsplus: use raw bio access for the volume headers
The hfsplus backup volume header is located two blocks from the end of the device. In case of device sizes that are not 4k aligned this means we can't access it using buffer_heads when using the default 4k block size. Switch to using raw bios to read/write all buffer headers. We were not relying on any caching behaviour of the buffer heads anyway. Additionally always read in the backup volume header during mount to verify that we can actually read it. Signed-off-by: Christoph Hellwig <hch@tuxera.com>
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