1 files changed, 7 insertions, 4 deletions

diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c
index b0c8094528d1..81a9731959a9 100644
--- a/fs/btrfs/check-integrity.c
+++ b/fs/btrfs/check-integrity.c
@@ -83,7 +83,7 @@
 #include <linux/blkdev.h>
 #include <linux/mm.h>
 #include <linux/string.h>
-#include <linux/crc32c.h>
+#include <crypto/hash.h>
 #include "ctree.h"
 #include "disk-io.h"
 #include "transaction.h"
@@ -1710,9 +1710,9 @@ static int btrfsic_test_for_metadata(struct btrfsic_state *state,
                                      char **datav, unsigned int num_pages)
 {
         struct btrfs_fs_info *fs_info = state->fs_info;
+        SHASH_DESC_ON_STACK(shash, fs_info->csum_shash);
         struct btrfs_header *h;
         u8 csum[BTRFS_CSUM_SIZE];
-        u32 crc = ~(u32)0;
         unsigned int i;
 
         if (num_pages * PAGE_SIZE < state->metablock_size)
@@ -1723,14 +1723,17 @@ static int btrfsic_test_for_metadata(struct btrfsic_state *state,
         if (memcmp(h->fsid, fs_info->fs_devices->fsid, BTRFS_FSID_SIZE))
                 return 1;
 
+        shash->tfm = fs_info->csum_shash;
+        crypto_shash_init(shash);
+
         for (i = 0; i < num_pages; i++) {
                 u8 *data = i ? datav[i] : (datav[i] + BTRFS_CSUM_SIZE);
                 size_t sublen = i ? PAGE_SIZE :
                                     (PAGE_SIZE - BTRFS_CSUM_SIZE);
 
-                crc = crc32c(crc, data, sublen);
+                crypto_shash_update(shash, data, sublen);
         }
-        btrfs_csum_final(crc, csum);
+        crypto_shash_final(shash, csum);
         if (memcmp(csum, h->csum, state->csum_size))
                 return 1;