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[PATCH] ide: option to disable cache flushes for buggy drives

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Some drives claim they support cache flushing, but get seriously
confused if you try. Add this option to be able to boot with
barriers enabled by default.

Signed-off-by: Jens Axboe <axboe@suse.de>
This commit is contained in:
Jens Axboe 2006-07-28 08:54:59 +02:00
parent 64821324ca
commit 361934849e
3 changed files with 6 additions and 2 deletions
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1
include/linux/ide.h
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@ -571,6 +571,7 @@ typedef struct ide_drive_s {
u8 waiting_for_dma; /* dma currently in progress */
u8 unmask; /* okay to unmask other irqs */
u8 bswap; /* byte swap data */
u8 noflush; /* don't attempt flushes */
u8 dsc_overlap; /* DSC overlap */
u8 nice1; /* give potential excess bandwidth */