Messages in this thread Patch in this message |  | | From | Ming Lei <> | Subject | [PATCH 05/60] target: avoid to access .bi_vcnt directly | Date | Sat, 29 Oct 2016 16:08:04 +0800 |
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When the bio is full, bio_add_pc_page() will return zero, so use this way to handle full bio.
Also replace access to .bi_vcnt for pr_debug() with bio_segments().
Signed-off-by: Ming Lei <tom.leiming@gmail.com> --- drivers/target/target_core_pscsi.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index 9125d9358dea..04d7aa7390d0 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -935,13 +935,9 @@ pscsi_map_sg(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, rc = bio_add_pc_page(pdv->pdv_sd->request_queue, bio, page, bytes, off); - if (rc != bytes) - goto fail; - pr_debug("PSCSI: bio->bi_vcnt: %d nr_vecs: %d\n", - bio->bi_vcnt, nr_vecs); - - if (bio->bi_vcnt > nr_vecs) { + bio_segments(bio), nr_vecs); + if (rc != bytes) { pr_debug("PSCSI: Reached bio->bi_vcnt max:" " %d i: %d bio: %p, allocating another" " bio\n", bio->bi_vcnt, i, bio); -- 2.7.4
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