diff options
author | Dave Airlie <airlied@redhat.com> | 2019-04-15 15:51:49 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2019-04-15 15:51:49 +1000 |
commit | f06ddb53096b4cddad2c530125a78a3c2a1d28a4 (patch) | |
tree | 36a05922af22272dc82357ce82be21a3a9214bd0 /include/linux/bvec.h | |
parent | ecc4946f11a07884f230450a6d5a92337bc21375 (diff) | |
parent | dc4060a5dc2557e6b5aa813bf5b73677299d62d2 (diff) |
BackMerge v5.1-rc5 into drm-next
Need rc5 for udl fix to add udl cleanups on top.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'include/linux/bvec.h')
-rw-r--r-- | include/linux/bvec.h | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/include/linux/bvec.h b/include/linux/bvec.h index f6275c4da13a..3bc91879e1e2 100644 --- a/include/linux/bvec.h +++ b/include/linux/bvec.h @@ -145,18 +145,18 @@ static inline bool bvec_iter_advance(const struct bio_vec *bv, static inline struct bio_vec *bvec_init_iter_all(struct bvec_iter_all *iter_all) { - iter_all->bv.bv_page = NULL; iter_all->done = 0; + iter_all->idx = 0; return &iter_all->bv; } -static inline void mp_bvec_next_segment(const struct bio_vec *bvec, - struct bvec_iter_all *iter_all) +static inline void bvec_advance(const struct bio_vec *bvec, + struct bvec_iter_all *iter_all) { struct bio_vec *bv = &iter_all->bv; - if (bv->bv_page) { + if (iter_all->done) { bv->bv_page = nth_page(bv->bv_page, 1); bv->bv_offset = 0; } else { @@ -165,6 +165,12 @@ static inline void mp_bvec_next_segment(const struct bio_vec *bvec, } bv->bv_len = min_t(unsigned int, PAGE_SIZE - bv->bv_offset, bvec->bv_len - iter_all->done); + iter_all->done += bv->bv_len; + + if (iter_all->done == bvec->bv_len) { + iter_all->idx++; + iter_all->done = 0; + } } /* |