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

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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: Jan Kara <jack@suse.cz>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
This commit is contained in:
Jan Kara 2007-10-10 16:25:42 +02:00 committed by Mark Fasheh
parent 4e9563fd55
commit bc7e97cbdd
1 changed files with 1 additions and 1 deletions
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fs/ocfs2/cluster/heartbeat.c
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@ -267,7 +267,7 @@ static struct bio *o2hb_setup_one_bio(struct o2hb_region *reg,
current_page = cs / spp;
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) );
mlog(ML_HB_BIO, "page %d, vec_len = %u, vec_start = %u\n",