| Message ID | 1477728600-12938-6-git-send-email-tom.leiming@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Sat, Oct 29, 2016 at 04:08:04PM +0800, Ming Lei wrote: > 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> Looks fine, Reviewed-by: Christoph Hellwig <hch@lst.de> -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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);
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(-)