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Merge tag 'for-linus-20190620' of git://git.kernel.dk/linux-block

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Pull block fixes from Jens Axboe:
 "Three fixes that should go into this series.

  One is a set of two patches from Christoph, fixing a page leak on same
  page merges. Boiled down version of a bigger fix, but this one is more
  appropriate for this late in the cycle (and easier to backport to
  stable).

  The last patch is for a divide error in MD, from Mariusz (via Song)"

* tag 'for-linus-20190620' of git://git.kernel.dk/linux-block:
  md: fix for divide error in status_resync
  block: fix page leak when merging to same page
  block: return from __bio_try_merge_page if merging occured in the same page
This commit is contained in:
Linus Torvalds
2019-06-20 09:58:35 -07:00
parent 241e390045 440078db7a
commit 41a247d896
5 changed files with 60 additions and 39 deletions
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2
include/linux/bio.h
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@@ -423,7 +423,7 @@ extern int bio_add_page(struct bio *, struct page *, unsigned int,unsigned int);
extern int bio_add_pc_page(struct request_queue *, struct bio *, struct page *,
unsigned int, unsigned int);
bool __bio_try_merge_page(struct bio *bio, struct page *page,
unsigned int len, unsigned int off, bool same_page);
unsigned int len, unsigned int off, bool *same_page);
void __bio_add_page(struct bio *bio, struct page *page,
unsigned int len, unsigned int off);
int bio_iov_iter_get_pages(struct bio *bio, struct iov_iter *iter);