Commit bc7e97cb authored by Jan Kara's avatar Jan Kara Committed by Mark Fasheh
Browse files

[PATCH] Fix possibly too long write in o2hb_setup_one_bio()



We should subtract start of our IO from PAGE_CACHE_SIZE to get the right
length of the write we want to perform.
Signed-off-by: default avatarJan Kara <jack@suse.cz>
Signed-off-by: default avatarMark Fasheh <mark.fasheh@oracle.com>
parent 4e9563fd
...@@ -267,7 +267,7 @@ static struct bio *o2hb_setup_one_bio(struct o2hb_region *reg, ...@@ -267,7 +267,7 @@ static struct bio *o2hb_setup_one_bio(struct o2hb_region *reg,
current_page = cs / spp; current_page = cs / spp;
page = reg->hr_slot_data[current_page]; page = reg->hr_slot_data[current_page];
vec_len = min(PAGE_CACHE_SIZE, vec_len = min(PAGE_CACHE_SIZE - vec_start,
(max_slots-cs) * (PAGE_CACHE_SIZE/spp) ); (max_slots-cs) * (PAGE_CACHE_SIZE/spp) );
mlog(ML_HB_BIO, "page %d, vec_len = %u, vec_start = %u\n", mlog(ML_HB_BIO, "page %d, vec_len = %u, vec_start = %u\n",
......
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