*result = &td->dm_dev;
return 0;
}
-EXPORT_SYMBOL_GPL(dm_get_table_device);
void dm_put_table_device(struct mapped_device *md, struct dm_dev *d)
{
}
mutex_unlock(&md->table_devices_lock);
}
-EXPORT_SYMBOL(dm_put_table_device);
static void free_table_devices(struct list_head *devices)
{
} else {
ci.bio = bio;
ci.sector_count = bio_sectors(bio);
- while (ci.sector_count && !error) {
- error = __split_and_process_non_flush(&ci);
- if (ci.sector_count && !error) {
- /*
- * Remainder must be passed to submit_bio_noacct()
- * so that it gets handled *after* bios already submitted
- * have been completely processed.
- * We take a clone of the original to store in
- * ci.io->orig_bio to be used by end_io_acct() and
- * for dec_pending to use for completion handling.
- */
- struct bio *b = bio_split(bio, bio_sectors(bio) - ci.sector_count,
- GFP_NOIO, &md->queue->bio_split);
- ci.io->orig_bio = b;
-
- /*
- * Adjust IO stats for each split, otherwise upon queue
- * reentry there will be redundant IO accounting.
- * NOTE: this is a stop-gap fix, a proper fix involves
- * significant refactoring of DM core's bio splitting
- * (by eliminating DM's splitting and just using bio_split)
- */
- part_stat_lock();
- __dm_part_stat_sub(dm_disk(md)->part0,
- sectors[op_stat_group(bio_op(bio))], ci.sector_count);
- part_stat_unlock();
-
- bio_chain(b, bio);
- trace_block_split(b, bio->bi_iter.bi_sector);
- ret = submit_bio_noacct(bio);
- break;
- }
+ error = __split_and_process_non_flush(&ci);
+ if (ci.sector_count && !error) {
+ /*
+ * Remainder must be passed to submit_bio_noacct()
+ * so that it gets handled *after* bios already submitted
+ * have been completely processed.
+ * We take a clone of the original to store in
+ * ci.io->orig_bio to be used by end_io_acct() and
+ * for dec_pending to use for completion handling.
+ */
+ struct bio *b = bio_split(bio, bio_sectors(bio) - ci.sector_count,
+ GFP_NOIO, &md->queue->bio_split);
+ ci.io->orig_bio = b;
+
+ /*
+ * Adjust IO stats for each split, otherwise upon queue
+ * reentry there will be redundant IO accounting.
+ * NOTE: this is a stop-gap fix, a proper fix involves
+ * significant refactoring of DM core's bio splitting
+ * (by eliminating DM's splitting and just using bio_split)
+ */
+ part_stat_lock();
+ __dm_part_stat_sub(dm_disk(md)->part0,
+ sectors[op_stat_group(bio_op(bio))], ci.sector_count);
+ part_stat_unlock();
+
+ bio_chain(b, bio);
+ trace_block_split(b, bio->bi_iter.bi_sector);
+ ret = submit_bio_noacct(bio);
}
}
if (size != dm_get_size(md))
memset(&md->geometry, 0, sizeof(md->geometry));
- set_capacity_and_notify(md->disk, size);
+ if (!get_capacity(md->disk))
+ set_capacity(md->disk, size);
+ else
+ set_capacity_and_notify(md->disk, size);
dm_table_event_callback(t, event_callback, md);