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FUJITA Tomonori 7a85f8896f block: restore the meaning of rq->data_len to the true data length ... The meaning of rq->data_len was changed to the length of an allocated buffer from the true data length. It breaks SG_IO friends and bsg. This patch restores the meaning of rq->data_len to the true data length and adds rq->extra_len to store an extended length (due to drain buffer and padding). This patch also removes the code to update bio in blk_rq_map_user introduced by the commit 40b01b9bbd. The commit adjusts bio according to memory alignment (queue_dma_alignment). However, memory alignment is NOT padding alignment. This adjustment also breaks SG_IO friends and bsg. Padding alignment needs to be fixed in a proper way (by a separate patch). Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <axboe@carl.home.kernel.dk>		17 years ago
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Kconfig	…
Kconfig.iosched	…
Makefile	…
as-iosched.c	…
blk-barrier.c	…
blk-core.c	block: restore the meaning of rq->data_len to the true data length	17 years ago
blk-exec.c	…
blk-ioc.c	…
blk-map.c	block: restore the meaning of rq->data_len to the true data length	17 years ago
blk-merge.c	block: restore the meaning of rq->data_len to the true data length	17 years ago
blk-settings.c	block: fix kernel-docbook parameters and files	17 years ago
blk-sysfs.c	…
blk-tag.c	…
blk.h	…
blktrace.c	…
bsg.c	block: restore the meaning of rq->data_len to the true data length	17 years ago
cfq-iosched.c	…
compat_ioctl.c	…
deadline-iosched.c	…
elevator.c	…
genhd.c	…
ioctl.c	…
noop-iosched.c	…
scsi_ioctl.c	block: restore the meaning of rq->data_len to the true data length	17 years ago