Lines Matching refs:kaddr
113 char *kaddr; in check_compressed_csum() local
124 kaddr = kmap_atomic(page); in check_compressed_csum()
125 csum = btrfs_csum_data(kaddr, csum, PAGE_CACHE_SIZE); in check_compressed_csum()
127 kunmap_atomic(kaddr); in check_compressed_csum()
988 char *kaddr; in btrfs_decompress_buf2page() local
1018 kaddr = kmap_atomic(page_out); in btrfs_decompress_buf2page()
1019 memcpy(kaddr + *pg_offset, buf + buf_offset, bytes); in btrfs_decompress_buf2page()
1020 kunmap_atomic(kaddr); in btrfs_decompress_buf2page()
1082 char *kaddr; in btrfs_clear_biovec_end() local
1084 kaddr = kmap_atomic(page); in btrfs_clear_biovec_end()
1085 memset(kaddr + pg_offset, 0, bytes); in btrfs_clear_biovec_end()
1086 kunmap_atomic(kaddr); in btrfs_clear_biovec_end()