diff options
Diffstat (limited to 'fs/btrfs/compression.c')
| -rw-r--r-- | fs/btrfs/compression.c | 36 |
1 files changed, 17 insertions, 19 deletions
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index 9ab610cc9114..c6e648603f85 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -194,11 +194,9 @@ static int check_compressed_csum(struct btrfs_inode *inode, for (i = 0; i < cb->nr_pages; i++) { page = cb->compressed_pages[i]; - crypto_shash_init(shash); kaddr = kmap_atomic(page); - crypto_shash_update(shash, kaddr, PAGE_SIZE); + crypto_shash_digest(shash, kaddr, PAGE_SIZE, csum); kunmap_atomic(kaddr); - crypto_shash_final(shash, (u8 *)&csum); if (memcmp(&csum, cb_sum, csum_size)) { btrfs_print_data_csum_error(inode, disk_start, @@ -1142,6 +1140,22 @@ static void put_workspace(int type, struct list_head *ws) } /* + * Adjust @level according to the limits of the compression algorithm or + * fallback to default + */ +static unsigned int btrfs_compress_set_level(int type, unsigned level) +{ + const struct btrfs_compress_op *ops = btrfs_compress_op[type]; + + if (level == 0) + level = ops->default_level; + else + level = min(level, ops->max_level); + + return level; +} + +/* * Given an address space and start and length, compress the bytes into @pages * that are allocated on demand. * @@ -1748,19 +1762,3 @@ unsigned int btrfs_compress_str2level(unsigned int type, const char *str) return level; } - -/* - * Adjust @level according to the limits of the compression algorithm or - * fallback to default - */ -unsigned int btrfs_compress_set_level(int type, unsigned level) -{ - const struct btrfs_compress_op *ops = btrfs_compress_op[type]; - - if (level == 0) - level = ops->default_level; - else - level = min(level, ops->max_level); - - return level; -} |