diff options
author | David Sterba <dsterba@suse.com> | 2021-06-15 18:15:38 +0300 |
---|---|---|
committer | David Sterba <dsterba@suse.com> | 2021-08-23 14:19:00 +0300 |
commit | 4c2bf276b56d8d27ddbafcdf056ef3fc60ae50b0 (patch) | |
tree | 77f7fa73f0a992b6861a7a665467afa9149d422b /fs/btrfs/compression.c | |
parent | bbaf9715f3f5b5ff0de71da91fcc34ee9c198ed8 (diff) | |
download | linux-4c2bf276b56d8d27ddbafcdf056ef3fc60ae50b0.tar.xz |
btrfs: compression: drop kmap/kunmap from generic helpers
The pages in compressed_pages are not from highmem anymore so we can
drop the mapping for checksum calculation and inline extent.
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/compression.c')
-rw-r--r-- | fs/btrfs/compression.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index 49fdec423092..aeda426b6121 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -172,10 +172,9 @@ 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 = kmap_atomic(page); + kaddr = page_address(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, |