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Diffstat (limited to 'fs/btrfs/compression.c')
| -rw-r--r-- | fs/btrfs/compression.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index 7869ad12bc6e..0913ee50e6c3 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -172,9 +172,10 @@ static int check_compressed_csum(struct btrfs_inode *inode, struct bio *bio, /* Hash through the page sector by sector */ for (pg_offset = 0; pg_offset < bytes_left; pg_offset += sectorsize) { - kaddr = page_address(page); + kaddr = kmap_atomic(page); crypto_shash_digest(shash, kaddr + pg_offset, sectorsize, csum); + kunmap_atomic(kaddr); if (memcmp(&csum, cb_sum, csum_size) != 0) { btrfs_print_data_csum_error(inode, disk_start, |