bsg: fix a blocking read bug
authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Tue, 8 May 2007 13:32:03 +0000 (15:32 +0200)
committerJens Axboe <jens.axboe@oracle.com>
Mon, 16 Jul 2007 06:52:46 +0000 (08:52 +0200)
This patch fixes a bug that read() returns ENODATA even with a
blocking file descriptor when there are no commands pending.

This also includes some cleanups.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

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