1 files changed, 13 insertions, 14 deletions

diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 7e487be0094e..2f3d6f917fb3 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -1098,7 +1098,7 @@ static void scrub_recheck_block_checksum(struct btrfs_fs_info *fs_info,
 	if (is_metadata) {
 		struct btrfs_header *h;
 
-		mapped_buffer = kmap_atomic(sblock->pagev[0].page, KM_USER0);
+		mapped_buffer = kmap_atomic(sblock->pagev[0].page);
 		h = (struct btrfs_header *)mapped_buffer;
 
 		if (sblock->pagev[0].logical != le64_to_cpu(h->bytenr) ||
@@ -1112,7 +1112,7 @@ static void scrub_recheck_block_checksum(struct btrfs_fs_info *fs_info,
 		if (!have_csum)
 			return;
 
-		mapped_buffer = kmap_atomic(sblock->pagev[0].page, KM_USER0);
+		mapped_buffer = kmap_atomic(sblock->pagev[0].page);
 	}
 
 	for (page_num = 0;;) {
@@ -1124,14 +1124,13 @@ static void scrub_recheck_block_checksum(struct btrfs_fs_info *fs_info,
 			crc = btrfs_csum_data(root, mapped_buffer, crc,
 					      PAGE_SIZE);
 
-		kunmap_atomic(mapped_buffer, KM_USER0);
+		kunmap_atomic(mapped_buffer);
 		page_num++;
 		if (page_num >= sblock->page_count)
 			break;
 		BUG_ON(!sblock->pagev[page_num].page);
 
-		mapped_buffer = kmap_atomic(sblock->pagev[page_num].page,
-					    KM_USER0);
+		mapped_buffer = kmap_atomic(sblock->pagev[page_num].page);
 	}
 
 	btrfs_csum_final(crc, calculated_csum);
@@ -1242,7 +1241,7 @@ static int scrub_checksum_data(struct scrub_block *sblock)
 
 	on_disk_csum = sblock->pagev[0].csum;
 	page = sblock->pagev[0].page;
-	buffer = kmap_atomic(page, KM_USER0);
+	buffer = kmap_atomic(page);
 
 	len = sdev->sectorsize;
 	index = 0;
@@ -1250,7 +1249,7 @@ static int scrub_checksum_data(struct scrub_block *sblock)
 		u64 l = min_t(u64, len, PAGE_SIZE);
 
 		crc = btrfs_csum_data(root, buffer, crc, l);
-		kunmap_atomic(buffer, KM_USER0);
+		kunmap_atomic(buffer);
 		len -= l;
 		if (len == 0)
 			break;
@@ -1258,7 +1257,7 @@ static int scrub_checksum_data(struct scrub_block *sblock)
 		BUG_ON(index >= sblock->page_count);
 		BUG_ON(!sblock->pagev[index].page);
 		page = sblock->pagev[index].page;
-		buffer = kmap_atomic(page, KM_USER0);
+		buffer = kmap_atomic(page);
 	}
 
 	btrfs_csum_final(crc, csum);
@@ -1288,7 +1287,7 @@ static int scrub_checksum_tree_block(struct scrub_block *sblock)
 
 	BUG_ON(sblock->page_count < 1);
 	page = sblock->pagev[0].page;
-	mapped_buffer = kmap_atomic(page, KM_USER0);
+	mapped_buffer = kmap_atomic(page);
 	h = (struct btrfs_header *)mapped_buffer;
 	memcpy(on_disk_csum, h->csum, sdev->csum_size);
 
@@ -1320,7 +1319,7 @@ static int scrub_checksum_tree_block(struct scrub_block *sblock)
 		u64 l = min_t(u64, len, mapped_size);
 
 		crc = btrfs_csum_data(root, p, crc, l);
-		kunmap_atomic(mapped_buffer, KM_USER0);
+		kunmap_atomic(mapped_buffer);
 		len -= l;
 		if (len == 0)
 			break;
@@ -1328,7 +1327,7 @@ static int scrub_checksum_tree_block(struct scrub_block *sblock)
 		BUG_ON(index >= sblock->page_count);
 		BUG_ON(!sblock->pagev[index].page);
 		page = sblock->pagev[index].page;
-		mapped_buffer = kmap_atomic(page, KM_USER0);
+		mapped_buffer = kmap_atomic(page);
 		mapped_size = PAGE_SIZE;
 		p = mapped_buffer;
 	}
@@ -1359,7 +1358,7 @@ static int scrub_checksum_super(struct scrub_block *sblock)
 
 	BUG_ON(sblock->page_count < 1);
 	page = sblock->pagev[0].page;
-	mapped_buffer = kmap_atomic(page, KM_USER0);
+	mapped_buffer = kmap_atomic(page);
 	s = (struct btrfs_super_block *)mapped_buffer;
 	memcpy(on_disk_csum, s->csum, sdev->csum_size);
 
@@ -1380,7 +1379,7 @@ static int scrub_checksum_super(struct scrub_block *sblock)
 		u64 l = min_t(u64, len, mapped_size);
 
 		crc = btrfs_csum_data(root, p, crc, l);
-		kunmap_atomic(mapped_buffer, KM_USER0);
+		kunmap_atomic(mapped_buffer);
 		len -= l;
 		if (len == 0)
 			break;
@@ -1388,7 +1387,7 @@ static int scrub_checksum_super(struct scrub_block *sblock)
 		BUG_ON(index >= sblock->page_count);
 		BUG_ON(!sblock->pagev[index].page);
 		page = sblock->pagev[index].page;
-		mapped_buffer = kmap_atomic(page, KM_USER0);
+		mapped_buffer = kmap_atomic(page);
 		mapped_size = PAGE_SIZE;
 		p = mapped_buffer;
 	}