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Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/dm-table.c7
-rw-r--r--drivers/md/dm.c12
-rw-r--r--drivers/md/dm.h2
-rw-r--r--drivers/md/linear.c3
-rw-r--r--drivers/md/md.c8
-rw-r--r--drivers/md/multipath.c7
-rw-r--r--drivers/md/raid0.c3
-rw-r--r--drivers/md/raid1.c5
-rw-r--r--drivers/md/raid10.c7
9 files changed, 35 insertions, 19 deletions
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index f50a7b952257..416d4e258df6 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -55,6 +55,7 @@ struct dm_table {
struct dm_target *targets;
unsigned discards_supported:1;
+ unsigned integrity_supported:1;
/*
* Indicates the rw permissions for the new logical
@@ -859,7 +860,7 @@ int dm_table_alloc_md_mempools(struct dm_table *t)
return -EINVAL;
}
- t->mempools = dm_alloc_md_mempools(type);
+ t->mempools = dm_alloc_md_mempools(type, t->integrity_supported);
if (!t->mempools)
return -ENOMEM;
@@ -935,8 +936,10 @@ static int dm_table_prealloc_integrity(struct dm_table *t, struct mapped_device
struct dm_dev_internal *dd;
list_for_each_entry(dd, devices, list)
- if (bdev_get_integrity(dd->dm_dev.bdev))
+ if (bdev_get_integrity(dd->dm_dev.bdev)) {
+ t->integrity_supported = 1;
return blk_integrity_register(dm_disk(md), NULL);
+ }
return 0;
}
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index d22b9905c168..88820704a191 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -2620,9 +2620,10 @@ int dm_noflush_suspending(struct dm_target *ti)
}
EXPORT_SYMBOL_GPL(dm_noflush_suspending);
-struct dm_md_mempools *dm_alloc_md_mempools(unsigned type)
+struct dm_md_mempools *dm_alloc_md_mempools(unsigned type, unsigned integrity)
{
struct dm_md_mempools *pools = kmalloc(sizeof(*pools), GFP_KERNEL);
+ unsigned int pool_size = (type == DM_TYPE_BIO_BASED) ? 16 : MIN_IOS;
if (!pools)
return NULL;
@@ -2639,13 +2640,18 @@ struct dm_md_mempools *dm_alloc_md_mempools(unsigned type)
if (!pools->tio_pool)
goto free_io_pool_and_out;
- pools->bs = (type == DM_TYPE_BIO_BASED) ?
- bioset_create(16, 0) : bioset_create(MIN_IOS, 0);
+ pools->bs = bioset_create(pool_size, 0);
if (!pools->bs)
goto free_tio_pool_and_out;
+ if (integrity && bioset_integrity_create(pools->bs, pool_size))
+ goto free_bioset_and_out;
+
return pools;
+free_bioset_and_out:
+ bioset_free(pools->bs);
+
free_tio_pool_and_out:
mempool_destroy(pools->tio_pool);
diff --git a/drivers/md/dm.h b/drivers/md/dm.h
index 0c2dd5f4af76..1aaf16746da8 100644
--- a/drivers/md/dm.h
+++ b/drivers/md/dm.h
@@ -149,7 +149,7 @@ void dm_kcopyd_exit(void);
/*
* Mempool operations
*/
-struct dm_md_mempools *dm_alloc_md_mempools(unsigned type);
+struct dm_md_mempools *dm_alloc_md_mempools(unsigned type, unsigned integrity);
void dm_free_md_mempools(struct dm_md_mempools *pools);
#endif
diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index 338804f8fb3b..abfb59a61ede 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -210,8 +210,7 @@ static int linear_run (mddev_t *mddev)
blk_queue_merge_bvec(mddev->queue, linear_mergeable_bvec);
mddev->queue->backing_dev_info.congested_fn = linear_congested;
mddev->queue->backing_dev_info.congested_data = mddev;
- md_integrity_register(mddev);
- return 0;
+ return md_integrity_register(mddev);
}
static void free_conf(struct rcu_head *head)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 86ba66c0b28a..1876761f1828 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1803,8 +1803,12 @@ int md_integrity_register(mddev_t *mddev)
mdname(mddev));
return -EINVAL;
}
- printk(KERN_NOTICE "md: data integrity on %s enabled\n",
- mdname(mddev));
+ printk(KERN_NOTICE "md: data integrity enabled on %s\n", mdname(mddev));
+ if (bioset_integrity_create(mddev->bio_set, BIO_POOL_SIZE)) {
+ printk(KERN_ERR "md: failed to create integrity pool for %s\n",
+ mdname(mddev));
+ return -EINVAL;
+ }
return 0;
}
EXPORT_SYMBOL(md_integrity_register);
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index 5e694b151c30..c35890990985 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -315,7 +315,7 @@ static int multipath_remove_disk(mddev_t *mddev, int number)
p->rdev = rdev;
goto abort;
}
- md_integrity_register(mddev);
+ err = md_integrity_register(mddev);
}
abort:
@@ -489,7 +489,10 @@ static int multipath_run (mddev_t *mddev)
mddev->queue->backing_dev_info.congested_fn = multipath_congested;
mddev->queue->backing_dev_info.congested_data = mddev;
- md_integrity_register(mddev);
+
+ if (md_integrity_register(mddev))
+ goto out_free_conf;
+
return 0;
out_free_conf:
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 95916fd6394a..e86bf3682e1e 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -379,8 +379,7 @@ static int raid0_run(mddev_t *mddev)
blk_queue_merge_bvec(mddev->queue, raid0_mergeable_bvec);
dump_zones(mddev);
- md_integrity_register(mddev);
- return 0;
+ return md_integrity_register(mddev);
}
static int raid0_stop(mddev_t *mddev)
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 8f34ad5c478b..c2a21ae56d97 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1132,7 +1132,7 @@ static int raid1_remove_disk(mddev_t *mddev, int number)
p->rdev = rdev;
goto abort;
}
- md_integrity_register(mddev);
+ err = md_integrity_register(mddev);
}
abort:
@@ -2017,8 +2017,7 @@ static int run(mddev_t *mddev)
mddev->queue->backing_dev_info.congested_fn = raid1_congested;
mddev->queue->backing_dev_info.congested_data = mddev;
- md_integrity_register(mddev);
- return 0;
+ return md_integrity_register(mddev);
}
static int stop(mddev_t *mddev)
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index c0d0f5f7e407..f7b62370b374 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1188,7 +1188,7 @@ static int raid10_remove_disk(mddev_t *mddev, int number)
p->rdev = rdev;
goto abort;
}
- md_integrity_register(mddev);
+ err = md_integrity_register(mddev);
}
abort:
@@ -2343,7 +2343,10 @@ static int run(mddev_t *mddev)
if (conf->near_copies < conf->raid_disks)
blk_queue_merge_bvec(mddev->queue, raid10_mergeable_bvec);
- md_integrity_register(mddev);
+
+ if (md_integrity_register(mddev))
+ goto out_free_conf;
+
return 0;
out_free_conf: