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authorMartin K. Petersen <martin.petersen@oracle.com>2009-06-26 15:37:49 +0200
committerJens Axboe <jens.axboe@oracle.com>2009-07-01 10:56:25 +0200
commit7878cba9f0037f5599004b03a1260b32d9050360 (patch)
treebff5e1a47b6e64e45df0428925cc6db8542cad62 /block/Makefile
parent6118b70b3a0b4c583439bb77600194c82f220ce3 (diff)
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block: Create bip slabs with embedded integrity vectors
This patch restores stacking ability to the block layer integrity infrastructure by creating a set of dedicated bip slabs. Each bip slab has an embedded bio_vec array at the end. This cuts down on memory allocations and also simplifies the code compared to the original bvec version. Only the largest bip slab is backed by a mempool. The pool is contained in the bio_set so stacking drivers can ensure forward progress. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <axboe@carl.(none)>
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