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(parent: d34c87e) | patch
block: add large command support
authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Tue, 29 Apr 2008 07:54:39 +0000 (09:54 +0200)
committerJens Axboe <jens.axboe@oracle.com>
Tue, 29 Apr 2008 12:48:55 +0000 (14:48 +0200)
commitd7e3c3249ef23b4617393c69fe464765b4ff1645
tree3471ea20b7fb4c4a9bbd7cfb3cc952344b5501d6tree | snapshot
parentd34c87e4ba3d1857f80a65179e81a18705a31656commit | diff
block: add large command support

This patch changes rq->cmd from the static array to a pointer to
support large commands.

We rarely handle large commands. So for optimization, a struct request
still has a static array for a command. rq_init sets rq->cmd pointer
to the static array.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
block/blk-core.c diff | blob | history
include/linux/blkdev.h diff | blob | history
Full containers within linux kernel