summaryrefslogtreecommitdiff
path: root/mm/bounce.c
diff options
context:
space:
mode:
authorKent Overstreet <koverstreet@google.com>2013-02-06 12:23:11 -0800
committerKent Overstreet <koverstreet@google.com>2013-03-23 14:26:28 -0700
commitd74c6d514fe314b8bdab58b487b25992291577ec (patch)
tree2e04cd492235dc7982bae1ba7ef83f276800c319 /mm/bounce.c
parent6bc454d150047fcfbf53346412e64cdf3bf61a79 (diff)
downloadlinux-sh-d74c6d514fe314b8bdab58b487b25992291577ec.tar.gz
block: Add bio_for_each_segment_all()
__bio_for_each_segment() iterates bvecs from the specified index instead of bio->bv_idx. Currently, the only usage is to walk all the bvecs after the bio has been advanced by specifying 0 index. For immutable bvecs, we need to split these apart; bio_for_each_segment() is going to have a different implementation. This will also help document the intent of code that's using it - bio_for_each_segment_all() is only legal to use for code that owns the bio. Signed-off-by: Kent Overstreet <koverstreet@google.com> CC: Jens Axboe <axboe@kernel.dk> CC: Neil Brown <neilb@suse.de> CC: Boaz Harrosh <bharrosh@panasas.com>
Diffstat (limited to 'mm/bounce.c')
-rw-r--r--mm/bounce.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/bounce.c b/mm/bounce.c
index 55f512af50c7..2ee1b6fef44a 100644
--- a/mm/bounce.c
+++ b/mm/bounce.c
@@ -134,7 +134,7 @@ static void bounce_end_io(struct bio *bio, mempool_t *pool, int err)
/*
* free up bounce indirect pages used
*/
- __bio_for_each_segment(bvec, bio, i, 0) {
+ bio_for_each_segment_all(bvec, bio, i) {
org_vec = bio_orig->bi_io_vec + i;
if (bvec->bv_page == org_vec->bv_page)
continue;