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authorJens Axboe <axboe@suse.de>2006-07-28 08:54:59 +0200
committerJens Axboe <axboe@suse.de>2006-07-28 08:54:59 +0200
commit361934849e9c0418950bedf667732f36337d88b9 (patch)
treea2f7d53d3ddf75c19421f972a03a44da00df0396 /drivers/ide/ide-disk.c
parent64821324ca49f24be1a66f2f432108f96a24e596 (diff)
downloadop-kernel-dev-361934849e9c0418950bedf667732f36337d88b9.zip
op-kernel-dev-361934849e9c0418950bedf667732f36337d88b9.tar.gz
[PATCH] ide: option to disable cache flushes for buggy drives
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>
Diffstat (limited to 'drivers/ide/ide-disk.c')
-rw-r--r--drivers/ide/ide-disk.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index f712e4c..7cf3eb0 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -776,7 +776,7 @@ static void update_ordered(ide_drive_t *drive)
* not available so we don't need to recheck that.
*/
capacity = idedisk_capacity(drive);
- barrier = ide_id_has_flush_cache(id) &&
+ barrier = ide_id_has_flush_cache(id) && !drive->noflush &&
(drive->addressing == 0 || capacity <= (1ULL << 28) ||
ide_id_has_flush_cache_ext(id));
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