diff options
Diffstat (limited to 'drivers/block/loop.c')
| -rw-r--r-- | drivers/block/loop.c | 39 |
1 files changed, 20 insertions, 19 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c index c8dac730524..6cb1beb47c2 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -237,7 +237,7 @@ static int __do_lo_send_write(struct file *file, file_end_write(file); if (likely(bw == len)) return 0; - printk(KERN_ERR "loop: Write error at byte offset %llu, length %i.\n", + printk_ratelimited(KERN_ERR "loop: Write error at byte offset %llu, length %i.\n", (unsigned long long)pos, len); if (bw >= 0) bw = -EIO; @@ -277,7 +277,7 @@ static int do_lo_send_write(struct loop_device *lo, struct bio_vec *bvec, return __do_lo_send_write(lo->lo_backing_file, page_address(page), bvec->bv_len, pos); - printk(KERN_ERR "loop: Transfer error at byte offset %llu, " + printk_ratelimited(KERN_ERR "loop: Transfer error at byte offset %llu, " "length %i.\n", (unsigned long long)pos, bvec->bv_len); if (ret > 0) ret = -EIO; @@ -288,9 +288,10 @@ static int lo_send(struct loop_device *lo, struct bio *bio, loff_t pos) { int (*do_lo_send)(struct loop_device *, struct bio_vec *, loff_t, struct page *page); - struct bio_vec *bvec; + struct bio_vec bvec; + struct bvec_iter iter; struct page *page = NULL; - int i, ret = 0; + int ret = 0; if (lo->transfer != transfer_none) { page = alloc_page(GFP_NOIO | __GFP_HIGHMEM); @@ -302,11 +303,11 @@ static int lo_send(struct loop_device *lo, struct bio *bio, loff_t pos) do_lo_send = do_lo_send_direct_write; } - bio_for_each_segment(bvec, bio, i) { - ret = do_lo_send(lo, bvec, pos, page); + bio_for_each_segment(bvec, bio, iter) { + ret = do_lo_send(lo, &bvec, pos, page); if (ret < 0) break; - pos += bvec->bv_len; + pos += bvec.bv_len; } if (page) { kunmap(page); @@ -315,7 +316,7 @@ static int lo_send(struct loop_device *lo, struct bio *bio, loff_t pos) out: return ret; fail: - printk(KERN_ERR "loop: Failed to allocate temporary page for write.\n"); + printk_ratelimited(KERN_ERR "loop: Failed to allocate temporary page for write.\n"); ret = -ENOMEM; goto out; } @@ -344,7 +345,7 @@ lo_splice_actor(struct pipe_inode_info *pipe, struct pipe_buffer *buf, size = p->bsize; if (lo_do_transfer(lo, READ, page, buf->offset, p->page, p->offset, size, IV)) { - printk(KERN_ERR "loop: transfer error block %ld\n", + printk_ratelimited(KERN_ERR "loop: transfer error block %ld\n", page->index); size = -EINVAL; } @@ -392,20 +393,20 @@ do_lo_receive(struct loop_device *lo, static int lo_receive(struct loop_device *lo, struct bio *bio, int bsize, loff_t pos) { - struct bio_vec *bvec; + struct bio_vec bvec; + struct bvec_iter iter; ssize_t s; - int i; - bio_for_each_segment(bvec, bio, i) { - s = do_lo_receive(lo, bvec, bsize, pos); + bio_for_each_segment(bvec, bio, iter) { + s = do_lo_receive(lo, &bvec, bsize, pos); if (s < 0) return s; - if (s != bvec->bv_len) { + if (s != bvec.bv_len) { zero_fill_bio(bio); break; } - pos += bvec->bv_len; + pos += bvec.bv_len; } return 0; } @@ -415,7 +416,7 @@ static int do_bio_filebacked(struct loop_device *lo, struct bio *bio) loff_t pos; int ret; - pos = ((loff_t) bio->bi_sector << 9) + lo->lo_offset; + pos = ((loff_t) bio->bi_iter.bi_sector << 9) + lo->lo_offset; if (bio_rw(bio) == WRITE) { struct file *file = lo->lo_backing_file; @@ -444,7 +445,7 @@ static int do_bio_filebacked(struct loop_device *lo, struct bio *bio) goto out; } ret = file->f_op->fallocate(file, mode, pos, - bio->bi_size); + bio->bi_iter.bi_size); if (unlikely(ret && ret != -EINVAL && ret != -EOPNOTSUPP)) ret = -EIO; @@ -547,7 +548,7 @@ static int loop_thread(void *data) struct loop_device *lo = data; struct bio *bio; - set_user_nice(current, -20); + set_user_nice(current, MIN_NICE); while (!kthread_should_stop() || !bio_list_empty(&lo->lo_bio_list)) { @@ -798,7 +799,7 @@ static void loop_config_discard(struct loop_device *lo) /* * We use punch hole to reclaim the free space used by the - * image a.k.a. discard. However we do support discard if + * image a.k.a. discard. However we do not support discard if * encryption is enabled, because it may give an attacker * useful information. */ |