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exofs: use bio_clone_fast in _write_mirror 

The mirroring code never changes the bio data or biovecs.  This means
we can reuse the biovec allocation easily instead of duplicating it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by Boaz Harrosh <ooo@electrozaur.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
hifive-unleashed-5.1
Christoph Hellwig 2018-07-24 09:52:31 +02:00 committed by Jens Axboe
parent c8b27acc77
commit 076ff2f0b8
1 changed files with 2 additions and 2 deletions
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4
fs/exofs/ore.c
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@ -873,8 +873,8 @@ static int _write_mirror(struct ore_io_state *ios, int cur_comp)
struct bio *bio;
if (per_dev != master_dev) {
bio = bio_clone_kmalloc(master_dev->bio,
GFP_KERNEL);
bio = bio_clone_fast(master_dev->bio,
GFP_KERNEL, NULL);
if (unlikely(!bio)) {
ORE_DBGMSG(
"Failed to allocate BIO size=%u\n",