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authorShannon Nelson <shannon.nelson@intel.com>2007-11-14 19:59:51 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-11-14 21:45:41 -0500
commit7bb67c14fd3778504fb77da30ce11582336dfced (patch)
tree24b65f267a98716824c7955be02af8879cfda688 /fs/reiserfs/stree.c
parentcc9f2f8f68efcc73d8793a4df2c4c50196e90080 (diff)
I/OAT: Add support for version 2 of ioatdma device
Add support for version 2 of the ioatdma device. This device handles the descriptor chain and DCA services slightly differently: - Instead of moving the dma descriptors between a busy and an idle chain, this new version uses a single circular chain so that we don't have rewrite the next_descriptor pointers as we add new requests, and the device doesn't need to re-read the last descriptor. - The new device has the DCA tags defined internally instead of needing them defined statically. Signed-off-by: Shannon Nelson <shannon.nelson@intel.com> Cc: "Williams, Dan J" <dan.j.williams@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/reiserfs/stree.c')
0 files changed, 0 insertions, 0 deletions