1 files changed, 6 insertions, 6 deletions

diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c
index 7d5a9b51f0d7..3baebbc021c5 100644
--- a/fs/btrfs/check-integrity.c
+++ b/fs/btrfs/check-integrity.c
@@ -96,9 +96,9 @@
 #include <linux/blkdev.h>
 #include <linux/mm.h>
 #include <linux/string.h>
+#include <linux/crc32c.h>
 #include "ctree.h"
 #include "disk-io.h"
-#include "hash.h"
 #include "transaction.h"
 #include "extent_io.h"
 #include "volumes.h"
@@ -613,7 +613,7 @@ static void btrfsic_dev_state_hashtable_add(
 		struct btrfsic_dev_state_hashtable *h)
 {
 	const unsigned int hashval =
-	    (((unsigned int)((uintptr_t)ds->bdev)) &
+	    (((unsigned int)((uintptr_t)ds->bdev->bd_dev)) &
 	     (BTRFSIC_DEV2STATE_HASHTABLE_SIZE - 1));
 
 	list_add(&ds->collision_resolving_node, h->table + hashval);
@@ -1736,7 +1736,7 @@ static int btrfsic_test_for_metadata(struct btrfsic_state *state,
 		size_t sublen = i ? PAGE_SIZE :
 				    (PAGE_SIZE - BTRFS_CSUM_SIZE);
 
-		crc = btrfs_crc32c(crc, data, sublen);
+		crc = crc32c(crc, data, sublen);
 	}
 	btrfs_csum_final(crc, csum);
 	if (memcmp(csum, h->csum, state->csum_size))
@@ -2803,7 +2803,7 @@ static void __btrfsic_submit_bio(struct bio *bio)
 	mutex_lock(&btrfsic_mutex);
 	/* since btrfsic_submit_bio() is also called before
 	 * btrfsic_mount(), this might return NULL */
-	dev_state = btrfsic_dev_state_lookup(bio_dev(bio));
+	dev_state = btrfsic_dev_state_lookup(bio_dev(bio) + bio->bi_partno);
 	if (NULL != dev_state &&
 	    (bio_op(bio) == REQ_OP_WRITE) && bio_has_data(bio)) {
 		unsigned int i = 0;
@@ -2913,7 +2913,7 @@ int btrfsic_mount(struct btrfs_fs_info *fs_info,
 	state = kvzalloc(sizeof(*state), GFP_KERNEL);
 	if (!state) {
 		pr_info("btrfs check-integrity: allocation failed!\n");
-		return -1;
+		return -ENOMEM;
 	}
 
 	if (!btrfsic_is_initialized) {
@@ -2945,7 +2945,7 @@ int btrfsic_mount(struct btrfs_fs_info *fs_info,
 		if (NULL == ds) {
 			pr_info("btrfs check-integrity: kmalloc() failed!\n");
 			mutex_unlock(&btrfsic_mutex);
-			return -1;
+			return -ENOMEM;
 		}
 		ds->bdev = device->bdev;
 		ds->state = state;