| Miguel | a5eb62e | 2008-04-11 15:45:51 -0400 | [diff] [blame] | 1 | #include <asm/byteorder.h> |
| 2 | #include <linux/crc32c.h> |
| 3 | #include <linux/version.h> |
| 4 | |
| 5 | /** |
| 6 | * implementation of crc32c_le() changed in linux-2.6.23, |
| 7 | * has of v0.13 btrfs-progs is using the latest version. |
| 8 | * We must workaround older implementations of crc32c_le() |
| 9 | * found on older kernel versions. |
| 10 | */ |
| 11 | #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) |
| 12 | #define btrfs_crc32c(seed, data, length) \ |
| 13 | __cpu_to_le32( crc32c( __le32_to_cpu(seed), data, length) ) |
| 14 | #else |
| 15 | #define btrfs_crc32c(seed, data, length) \ |
| 16 | crc32c(seed, data, length) |
| 17 | #endif |