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| author | Kent Overstreet <koverstreet@google.com> | 2012-09-27 06:41:20 +0200 |
|---|---|---|
| committer | Kent Overstreet <koverstreet@google.com> | 2013-03-23 22:15:28 +0100 |
| commit | fb9e3534768c1daa0bd09dd00d1a8828e15079c8 (patch) | |
| tree | 0b601dfd5f8aa4dd95dbade3a78d6da176648c42 /drivers/md/md.c | |
| parent | block: Refactor blk_update_request() (diff) | |
| download | linux-fb9e3534768c1daa0bd09dd00d1a8828e15079c8.tar.xz linux-fb9e3534768c1daa0bd09dd00d1a8828e15079c8.zip | |
md: Convert md_trim_bio() to use bio_advance()
Signed-off-by: Kent Overstreet <koverstreet@google.com>
CC: Jens Axboe <axboe@kernel.dk>
CC: NeilBrown <neilb@suse.de>
Acked-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md/md.c')
| -rw-r--r-- | drivers/md/md.c | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index fcb878f88796..d323676580a9 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -194,21 +194,12 @@ void md_trim_bio(struct bio *bio, int offset, int size) if (offset == 0 && size == bio->bi_size) return; - bio->bi_sector += offset; - bio->bi_size = size; - offset <<= 9; clear_bit(BIO_SEG_VALID, &bio->bi_flags); - while (bio->bi_idx < bio->bi_vcnt && - bio->bi_io_vec[bio->bi_idx].bv_len <= offset) { - /* remove this whole bio_vec */ - offset -= bio->bi_io_vec[bio->bi_idx].bv_len; - bio->bi_idx++; - } - if (bio->bi_idx < bio->bi_vcnt) { - bio->bi_io_vec[bio->bi_idx].bv_offset += offset; - bio->bi_io_vec[bio->bi_idx].bv_len -= offset; - } + bio_advance(bio, offset << 9); + + bio->bi_size = size; + /* avoid any complications with bi_idx being non-zero*/ if (bio->bi_idx) { memmove(bio->bi_io_vec, bio->bi_io_vec+bio->bi_idx, |