Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux...
[cascardo/linux.git] / fs / btrfs / check-integrity.c
index 131d828..0e8388e 100644 (file)
 #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)
@@ -1695,7 +1699,7 @@ static int btrfsic_read_block(struct btrfsic_state *state,
                        return -1;
                }
                bio->bi_bdev = block_ctx->dev->bdev;
-               bio->bi_sector = dev_bytenr >> 9;
+               bio->bi_iter.bi_sector = dev_bytenr >> 9;
 
                for (j = i; j < num_pages; j++) {
                        ret = bio_add_page(bio, block_ctx->pagev[j],
@@ -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))
@@ -3013,7 +3017,7 @@ static void __btrfsic_submit_bio(int rw, struct bio *bio)
                int bio_is_patched;
                char **mapped_datav;
 
-               dev_bytenr = 512 * bio->bi_sector;
+               dev_bytenr = 512 * bio->bi_iter.bi_sector;
                bio_is_patched = 0;
                if (dev_state->state->print_mask &
                    BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH)
@@ -3021,8 +3025,8 @@ static void __btrfsic_submit_bio(int rw, struct bio *bio)
                               "submit_bio(rw=0x%x, bi_vcnt=%u,"
                               " bi_sector=%llu (bytenr %llu), bi_bdev=%p)\n",
                               rw, bio->bi_vcnt,
-                              (unsigned long long)bio->bi_sector, dev_bytenr,
-                              bio->bi_bdev);
+                              (unsigned long long)bio->bi_iter.bi_sector,
+                              dev_bytenr, bio->bi_bdev);
 
                mapped_datav = kmalloc(sizeof(*mapped_datav) * bio->bi_vcnt,
                                       GFP_NOFS);