diff options
| author | Philipp Reisner | 2010-08-23 15:18:33 +0200 |
|---|---|---|
| committer | Philipp Reisner | 2010-10-14 18:38:25 +0200 |
| commit | d53733893dc43f4ebb5be510863c5debf0f8990b (patch) | |
| tree | dbc9bb129b6c4774747be8b1d68dee6d18052637 /drivers/block/drbd/drbd_int.h | |
| parent | drbd: receiving of big packets, for payloads between 64kByte and 4GByte (diff) | |
| download | kernel-qcow2-linux-d53733893dc43f4ebb5be510863c5debf0f8990b.tar.gz kernel-qcow2-linux-d53733893dc43f4ebb5be510863c5debf0f8990b.tar.xz kernel-qcow2-linux-d53733893dc43f4ebb5be510863c5debf0f8990b.zip | |
drbd: Actually allow BIOs up to 128k (was 32k).
Now we have multiple BIOs per ee, packets with a 32 bit length field,
it gets time to use these goodies.
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block/drbd/drbd_int.h')
| -rw-r--r-- | drivers/block/drbd/drbd_int.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index db7e65531afa..58dc02bd16c2 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -1389,11 +1389,13 @@ struct bm_extent { #endif /* Sector shift value for the "hash" functions of tl_hash and ee_hash tables. - * With a value of 6 all IO in one 32K block make it to the same slot of the + * With a value of 8 all IO in one 128K block make it to the same slot of the * hash table. */ -#define HT_SHIFT 6 +#define HT_SHIFT 8 #define DRBD_MAX_SEGMENT_SIZE (1U<<(9+HT_SHIFT)) +#define DRBD_MAX_SIZE_H80_PACKET (1 << 15) /* The old header only allows packets up to 32Kib data */ + /* Number of elements in the app_reads_hash */ #define APP_R_HSIZE 15 |