luck/tmp_suning_uos_patched
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[PATCH] blktrace: fix read-ahead bit

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It should be toggling the same bit on and off, fix it up.

Signed-off-by: Jens Axboe <axboe@suse.de>
This commit is contained in:
Milton Miller 2006-07-25 15:04:13 +02:00 committed by Jens Axboe
parent 7b30f09245
commit ad01b1ca79
1 changed files with 1 additions and 1 deletions
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2
block/blktrace.c
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@ -80,7 +80,7 @@ static u32 bio_act[5] __read_mostly = { 0, BLK_TC_ACT(BLK_TC_BARRIER), BLK_TC_AC
#define trace_sync_bit(rw) \
(((rw) & (1 << BIO_RW_SYNC)) >> (BIO_RW_SYNC - 1))
#define trace_ahead_bit(rw) \
(((rw) & (1 << BIO_RW_AHEAD)) << (BIO_RW_AHEAD - 0))
(((rw) & (1 << BIO_RW_AHEAD)) << (2 - BIO_RW_AHEAD))
/*
* The worker for the various blk_add_trace*() types. Fills out a