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author | Thomas Gleixner <tglx@linutronix.de> | 2016-11-16 16:19:34 +0300 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2016-11-16 16:19:34 +0300 |
commit | 7ce7f35b33eb42b6aa4cf176fa34372b21b8472b (patch) | |
tree | 12f3027003f1d7cce30f838265e4fab2d52c6cef /drivers/block/aoe | |
parent | f410770293a1fbc08906474c24104a7a11943eb6 (diff) | |
parent | 47bdf3378d62a627cfb8a54e1180c08d67078b61 (diff) | |
download | linux-7ce7f35b33eb42b6aa4cf176fa34372b21b8472b.tar.xz |
Merge branch 'x86/cpufeature' into x86/cache
Resolve the cpu/scattered conflict.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/block/aoe')
-rw-r--r-- | drivers/block/aoe/aoecmd.c | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c index ab19adb07a12..3c606c09fd5a 100644 --- a/drivers/block/aoe/aoecmd.c +++ b/drivers/block/aoe/aoecmd.c @@ -853,45 +853,6 @@ rqbiocnt(struct request *r) return n; } -/* This can be removed if we are certain that no users of the block - * layer will ever use zero-count pages in bios. Otherwise we have to - * protect against the put_page sometimes done by the network layer. - * - * See http://oss.sgi.com/archives/xfs/2007-01/msg00594.html for - * discussion. - * - * We cannot use get_page in the workaround, because it insists on a - * positive page count as a precondition. So we use _refcount directly. - */ -static void -bio_pageinc(struct bio *bio) -{ - struct bio_vec bv; - struct page *page; - struct bvec_iter iter; - - bio_for_each_segment(bv, bio, iter) { - /* Non-zero page count for non-head members of - * compound pages is no longer allowed by the kernel. - */ - page = compound_head(bv.bv_page); - page_ref_inc(page); - } -} - -static void -bio_pagedec(struct bio *bio) -{ - struct page *page; - struct bio_vec bv; - struct bvec_iter iter; - - bio_for_each_segment(bv, bio, iter) { - page = compound_head(bv.bv_page); - page_ref_dec(page); - } -} - static void bufinit(struct buf *buf, struct request *rq, struct bio *bio) { @@ -899,7 +860,6 @@ bufinit(struct buf *buf, struct request *rq, struct bio *bio) buf->rq = rq; buf->bio = bio; buf->iter = bio->bi_iter; - bio_pageinc(bio); } static struct buf * @@ -1127,7 +1087,6 @@ aoe_end_buf(struct aoedev *d, struct buf *buf) if (buf == d->ip.buf) d->ip.buf = NULL; rq = buf->rq; - bio_pagedec(buf->bio); mempool_free(buf, d->bufpool); n = (unsigned long) rq->special; rq->special = (void *) --n; |