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| author | Christoph Hellwig <hch@lst.de> | 2019-04-25 09:02:59 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-04-30 09:26:11 -0600 |
| commit | f936b06ae53815a7633b30ffd8cf5661ac826b3a (patch) | |
| tree | 9ea6978f7b16e0f4a8925f4ecb57215b838281ee /drivers/md | |
| parent | cdca22bcbc64fc83dadb8d927df400a8d86ddabb (diff) | |
| download | linux-f936b06ae53815a7633b30ffd8cf5661ac826b3a.tar.gz linux-f936b06ae53815a7633b30ffd8cf5661ac826b3a.tar.bz2 linux-f936b06ae53815a7633b30ffd8cf5661ac826b3a.zip | |
bcache: clean up do_btree_node_write a bit
Use a variable containing the buffer address instead of the to be
removed integer iterator from bio_for_each_segment_all.
Suggested-by: Matthew Wilcox <willy@infradead.org>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Acked-by: Coly Li <colyli@suse.de>
Reviewed-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/bcache/btree.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c index b139858b0802..3a9f8ed437de 100644 --- a/drivers/md/bcache/btree.c +++ b/drivers/md/bcache/btree.c @@ -431,12 +431,13 @@ static void do_btree_node_write(struct btree *b) if (!bch_bio_alloc_pages(b->bio, __GFP_NOWARN|GFP_NOWAIT)) { int j; struct bio_vec *bv; - void *base = (void *) ((unsigned long) i & ~(PAGE_SIZE - 1)); + void *addr = (void *) ((unsigned long) i & ~(PAGE_SIZE - 1)); struct bvec_iter_all iter_all; - bio_for_each_segment_all(bv, b->bio, j, iter_all) - memcpy(page_address(bv->bv_page), - base + j * PAGE_SIZE, PAGE_SIZE); + bio_for_each_segment_all(bv, b->bio, j, iter_all) { + memcpy(page_address(bv->bv_page), addr, PAGE_SIZE); + addr += PAGE_SIZE; + } bch_submit_bbio(b->bio, b->c, &k.key, 0); |