diff options
Diffstat (limited to 'include/linux/pktcdvd.h')
| -rw-r--r-- | include/linux/pktcdvd.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/pktcdvd.h b/include/linux/pktcdvd.h index 4b32bce9a289..2c177e4c8f22 100644 --- a/include/linux/pktcdvd.h +++ b/include/linux/pktcdvd.h | |||
| @@ -166,6 +166,9 @@ struct packet_iosched | |||
| 166 | /* | 166 | /* |
| 167 | * 32 buffers of 2048 bytes | 167 | * 32 buffers of 2048 bytes |
| 168 | */ | 168 | */ |
| 169 | #if (PAGE_SIZE % CD_FRAMESIZE) != 0 | ||
| 170 | #error "PAGE_SIZE must be a multiple of CD_FRAMESIZE" | ||
| 171 | #endif | ||
| 169 | #define PACKET_MAX_SIZE 32 | 172 | #define PACKET_MAX_SIZE 32 |
| 170 | #define PAGES_PER_PACKET (PACKET_MAX_SIZE * CD_FRAMESIZE / PAGE_SIZE) | 173 | #define PAGES_PER_PACKET (PACKET_MAX_SIZE * CD_FRAMESIZE / PAGE_SIZE) |
| 171 | #define PACKET_MAX_SECTORS (PACKET_MAX_SIZE * CD_FRAMESIZE >> 9) | 174 | #define PACKET_MAX_SECTORS (PACKET_MAX_SIZE * CD_FRAMESIZE >> 9) |