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block: Fix the setting of same_page variable

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The same_page variable inside the function __bio_try_merge_page()
must be set to true if the merge happened within the same page.
As some the callers of this function take action based on that.

Change-Id: Iae4a7170aeaffcc0b9c424368c7d8127d51a177b
Fixes: 1bbb4bd9c3 ("block: disable multi-page bvec")
Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>
This commit is contained in:
Sahitya Tummala 2020-12-21 08:51:59 +05:30
parent f291b2fb17
commit 9e5e30aa0f
1 changed files with 1 additions and 0 deletions
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block/bio.c
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@ -807,6 +807,7 @@ bool __bio_try_merge_page(struct bio *bio, struct page *page,
struct bio_vec *bv = &bio->bi_io_vec[bio->bi_vcnt - 1];
if (page == bv->bv_page && off == bv->bv_offset + bv->bv_len) {
*same_page = true;
bv->bv_len += len;
bio->bi_iter.bi_size += len;
return true;