diff options
Diffstat (limited to 'fs/btrfs/compression.c')
| -rw-r--r-- | fs/btrfs/compression.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index 375dee691a37..3f4c832abfed 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -1261,7 +1261,6 @@ int btrfs_decompress_buf2page(const char *buf, unsigned long buf_start, unsigned long prev_start_byte; unsigned long working_bytes = total_out - buf_start; unsigned long bytes; - char *kaddr; struct bio_vec bvec = bio_iter_iovec(bio, bio->bi_iter); /* @@ -1292,9 +1291,8 @@ int btrfs_decompress_buf2page(const char *buf, unsigned long buf_start, PAGE_SIZE - (buf_offset % PAGE_SIZE)); bytes = min(bytes, working_bytes); - kaddr = kmap_atomic(bvec.bv_page); - memcpy(kaddr + bvec.bv_offset, buf + buf_offset, bytes); - kunmap_atomic(kaddr); + memcpy_to_page(bvec.bv_page, bvec.bv_offset, buf + buf_offset, + bytes); flush_dcache_page(bvec.bv_page); buf_offset += bytes; |