md: fix several trivial typos in comments
Signed-off-by: Zhilong Liu <zlliu@suse.com> Signed-off-by: Shaohua Li <shli@fb.com>
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@@ -2296,7 +2296,7 @@ static int resize_stripes(struct r5conf *conf, int newsize)
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* pages have been transferred over, and the old kmem_cache is
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* freed when all stripes are done.
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* 3/ reallocate conf->disks to be suitable bigger. If this fails,
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* we simple return a failre status - no need to clean anything up.
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* we simple return a failure status - no need to clean anything up.
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* 4/ allocate new pages for the new slots in the new stripe_heads.
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* If this fails, we don't bother trying the shrink the
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* stripe_heads down again, we just leave them as they are.
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@@ -3558,7 +3558,7 @@ static int need_this_block(struct stripe_head *sh, struct stripe_head_state *s,
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!test_bit(STRIPE_PREREAD_ACTIVE, &sh->state))
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/* Pre-reads at not permitted until after short delay
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* to gather multiple requests. However if this
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* device is no Insync, the block could only be be computed
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* device is no Insync, the block could only be computed
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* and there is no need to delay that.
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*/
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return 0;
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@@ -3577,7 +3577,7 @@ static int need_this_block(struct stripe_head *sh, struct stripe_head_state *s,
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/* If we are forced to do a reconstruct-write, either because
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* the current RAID6 implementation only supports that, or
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* or because parity cannot be trusted and we are currently
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* because parity cannot be trusted and we are currently
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* recovering it, there is extra need to be careful.
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* If one of the devices that we would need to read, because
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* it is not being overwritten (and maybe not written at all)
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