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Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block 

* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
  block: temporarily disable discard granularity
hifive-unleashed-5.1
Linus Torvalds 2009-12-16 10:34:42 -08:00
parent 59be2e04e5 b568be627a
commit 5ac4d630eb
1 changed files with 7 additions and 0 deletions
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7
block/blk-settings.c
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@ -554,11 +554,18 @@ int blk_stack_limits(struct queue_limits *t, struct queue_limits *b,
ret = -1;
}
/*
* Temporarily disable discard granularity. It's currently buggy
* since we default to 0 for discard_granularity, hence this
* "failure" will always trigger for non-zero offsets.
*/
#if 0
if (offset &&
(offset & (b->discard_granularity - 1)) != b->discard_alignment) {
t->discard_misaligned = 1;
ret = -1;
}
#endif
/* If top has no alignment offset, inherit from bottom */
if (!t->alignment_offset)