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| author | Kent Overstreet <koverstreet@google.com> | 2013-02-06 12:23:11 -0800 |
|---|---|---|
| committer | Kent Overstreet <koverstreet@google.com> | 2013-03-23 14:26:28 -0700 |
| commit | d74c6d514fe314b8bdab58b487b25992291577ec (patch) | |
| tree | 2e04cd492235dc7982bae1ba7ef83f276800c319 /mm/bounce.c | |
| parent | 6bc454d150047fcfbf53346412e64cdf3bf61a79 (diff) | |
| download | lwn-d74c6d514fe314b8bdab58b487b25992291577ec.tar.gz lwn-d74c6d514fe314b8bdab58b487b25992291577ec.zip | |
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.c | 2 |
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; |