xfs: introduced uncached buffer read primitve

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To avoid the need to use cached buffers for single-shot or buffers
cached at the filesystem level, introduce a new buffer read
primitive that bypasses the cache an reads directly from disk.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Alex Elder <aelder@sgi.com>

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Dave Chinner 2010-09-24 21:58:31 +10:00 • committed by Alex Elder

parent 686865f76e

commit 5adc94c247

2 changed files with 37 additions and 0 deletions

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34

fs/xfs/linux-2.6/xfs_buf.c

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3

fs/xfs/linux-2.6/xfs_buf.h

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