Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

[~andy/linux] / fs / btrfs / check-integrity.c

diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c
index cb05e1c842c5b8b84dee98d1a3f452eaa179417e..0e8388e72d8d0c7dd3884a0d0ff7e8cabf120fbb 100644 (file)
--- a/fs/btrfs/check-integrity.c
+++ b/fs/btrfs/check-integrity.c
@@ -92,11 +92,11 @@
 #include <linux/slab.h>
 #include <linux/buffer_head.h>
 #include <linux/mutex.h>
-#include <linux/crc32c.h>
 #include <linux/genhd.h>
 #include <linux/blkdev.h>
 #include "ctree.h"
 #include "disk-io.h"
+#include "hash.h"
 #include "transaction.h"
 #include "extent_io.h"
 #include "volumes.h"
@@ -1456,10 +1456,14 @@ static int btrfsic_handle_extent_data(
        btrfsic_read_from_block_data(block_ctx, &file_extent_item,
                                     file_extent_item_offset,
                                     sizeof(struct btrfs_file_extent_item));
-       next_bytenr = btrfs_stack_file_extent_disk_bytenr(&file_extent_item) +
-                     btrfs_stack_file_extent_offset(&file_extent_item);
-       generation = btrfs_stack_file_extent_generation(&file_extent_item);
-       num_bytes = btrfs_stack_file_extent_num_bytes(&file_extent_item);
+       next_bytenr = btrfs_stack_file_extent_disk_bytenr(&file_extent_item);
+       if (btrfs_stack_file_extent_compression(&file_extent_item) ==
+           BTRFS_COMPRESS_NONE) {
+               next_bytenr += btrfs_stack_file_extent_offset(&file_extent_item);
+               num_bytes = btrfs_stack_file_extent_num_bytes(&file_extent_item);
+       } else {
+               num_bytes = btrfs_stack_file_extent_disk_num_bytes(&file_extent_item);
+       }
        generation = btrfs_stack_file_extent_generation(&file_extent_item);
 
        if (state->print_mask & BTRFSIC_PRINT_MASK_VERY_VERBOSE)
@@ -1819,7 +1823,7 @@ static int btrfsic_test_for_metadata(struct btrfsic_state *state,
                size_t sublen = i ? PAGE_CACHE_SIZE :
                                    (PAGE_CACHE_SIZE - BTRFS_CSUM_SIZE);
 
-               crc = crc32c(crc, data, sublen);
+               crc = btrfs_crc32c(crc, data, sublen);
        }
        btrfs_csum_final(crc, csum);
        if (memcmp(csum, h->csum, state->csum_size))