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path: root/fs/xfs/xfs_bio_io.c
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2019-07-10xfs: chain bios the right way around in xfs_rw_bdevChristoph Hellwig1-1/+1
We need to chain the earlier bios to the later ones, so that submit_bio_wait waits on the bio that all the completions are dispatched to. Fixes: 6ad5b3255b9e ("xfs: use bios directly to read and write the log recovery buffers") Reported-by: Dave Chinner <[email protected]> Tested-by: Dave Chinner <[email protected]> Signed-off-by: Christoph Hellwig <[email protected]> Reviewed-by: Darrick J. Wong <[email protected]> Signed-off-by: Darrick J. Wong <[email protected]>
2019-06-28xfs: use bios directly to read and write the log recovery buffersChristoph Hellwig1-0/+61
The xfs_buf structure is basically used as a glorified container for a memory allocation in the log recovery code. Replace it with a call to kmem_alloc_large and a simple abstraction to read into or write from it synchronously using chained bios. Signed-off-by: Christoph Hellwig <[email protected]> Reviewed-by: Darrick J. Wong <[email protected]> Signed-off-by: Darrick J. Wong <[email protected]>