diff options
Diffstat (limited to 'include/linux/drbd_limits.h')
| -rw-r--r-- | include/linux/drbd_limits.h | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/include/linux/drbd_limits.h b/include/linux/drbd_limits.h index 4ac33f34b77e..246f576c981d 100644 --- a/include/linux/drbd_limits.h +++ b/include/linux/drbd_limits.h | |||
| @@ -16,7 +16,8 @@ | |||
| 16 | #define DEBUG_RANGE_CHECK 0 | 16 | #define DEBUG_RANGE_CHECK 0 |
| 17 | 17 | ||
| 18 | #define DRBD_MINOR_COUNT_MIN 1 | 18 | #define DRBD_MINOR_COUNT_MIN 1 |
| 19 | #define DRBD_MINOR_COUNT_MAX 255 | 19 | #define DRBD_MINOR_COUNT_MAX 256 |
| 20 | #define DRBD_MINOR_COUNT_DEF 32 | ||
| 20 | 21 | ||
| 21 | #define DRBD_DIALOG_REFRESH_MIN 0 | 22 | #define DRBD_DIALOG_REFRESH_MIN 0 |
| 22 | #define DRBD_DIALOG_REFRESH_MAX 600 | 23 | #define DRBD_DIALOG_REFRESH_MAX 600 |
| @@ -42,7 +43,7 @@ | |||
| 42 | 43 | ||
| 43 | /* net { */ | 44 | /* net { */ |
| 44 | /* timeout, unit centi seconds | 45 | /* timeout, unit centi seconds |
| 45 | * more than one minute timeout is not usefull */ | 46 | * more than one minute timeout is not useful */ |
| 46 | #define DRBD_TIMEOUT_MIN 1 | 47 | #define DRBD_TIMEOUT_MIN 1 |
| 47 | #define DRBD_TIMEOUT_MAX 600 | 48 | #define DRBD_TIMEOUT_MAX 600 |
| 48 | #define DRBD_TIMEOUT_DEF 60 /* 6 seconds */ | 49 | #define DRBD_TIMEOUT_DEF 60 /* 6 seconds */ |
| @@ -67,7 +68,7 @@ | |||
| 67 | #define DRBD_MAX_EPOCH_SIZE_MAX 20000 | 68 | #define DRBD_MAX_EPOCH_SIZE_MAX 20000 |
| 68 | #define DRBD_MAX_EPOCH_SIZE_DEF 2048 | 69 | #define DRBD_MAX_EPOCH_SIZE_DEF 2048 |
| 69 | 70 | ||
| 70 | /* I don't think that a tcp send buffer of more than 10M is usefull */ | 71 | /* I don't think that a tcp send buffer of more than 10M is useful */ |
| 71 | #define DRBD_SNDBUF_SIZE_MIN 0 | 72 | #define DRBD_SNDBUF_SIZE_MIN 0 |
| 72 | #define DRBD_SNDBUF_SIZE_MAX (10<<20) | 73 | #define DRBD_SNDBUF_SIZE_MAX (10<<20) |
| 73 | #define DRBD_SNDBUF_SIZE_DEF 0 | 74 | #define DRBD_SNDBUF_SIZE_DEF 0 |
| @@ -100,7 +101,7 @@ | |||
| 100 | #define DRBD_RATE_MAX (4 << 20) | 101 | #define DRBD_RATE_MAX (4 << 20) |
| 101 | #define DRBD_RATE_DEF 250 /* kb/second */ | 102 | #define DRBD_RATE_DEF 250 /* kb/second */ |
| 102 | 103 | ||
| 103 | /* less than 7 would hit performance unneccessarily. | 104 | /* less than 7 would hit performance unnecessarily. |
| 104 | * 3833 is the largest prime that still does fit | 105 | * 3833 is the largest prime that still does fit |
| 105 | * into 64 sectors of activity log */ | 106 | * into 64 sectors of activity log */ |
| 106 | #define DRBD_AL_EXTENTS_MIN 7 | 107 | #define DRBD_AL_EXTENTS_MIN 7 |
| @@ -129,6 +130,7 @@ | |||
| 129 | #define DRBD_AFTER_SB_2P_DEF ASB_DISCONNECT | 130 | #define DRBD_AFTER_SB_2P_DEF ASB_DISCONNECT |
| 130 | #define DRBD_RR_CONFLICT_DEF ASB_DISCONNECT | 131 | #define DRBD_RR_CONFLICT_DEF ASB_DISCONNECT |
| 131 | #define DRBD_ON_NO_DATA_DEF OND_IO_ERROR | 132 | #define DRBD_ON_NO_DATA_DEF OND_IO_ERROR |
| 133 | #define DRBD_ON_CONGESTION_DEF OC_BLOCK | ||
| 132 | 134 | ||
| 133 | #define DRBD_MAX_BIO_BVECS_MIN 0 | 135 | #define DRBD_MAX_BIO_BVECS_MIN 0 |
| 134 | #define DRBD_MAX_BIO_BVECS_MAX 128 | 136 | #define DRBD_MAX_BIO_BVECS_MAX 128 |
| @@ -154,5 +156,13 @@ | |||
| 154 | #define DRBD_C_MIN_RATE_MAX (4 << 20) | 156 | #define DRBD_C_MIN_RATE_MAX (4 << 20) |
| 155 | #define DRBD_C_MIN_RATE_DEF 4096 | 157 | #define DRBD_C_MIN_RATE_DEF 4096 |
| 156 | 158 | ||
| 159 | #define DRBD_CONG_FILL_MIN 0 | ||
| 160 | #define DRBD_CONG_FILL_MAX (10<<21) /* 10GByte in sectors */ | ||
| 161 | #define DRBD_CONG_FILL_DEF 0 | ||
| 162 | |||
| 163 | #define DRBD_CONG_EXTENTS_MIN DRBD_AL_EXTENTS_MIN | ||
| 164 | #define DRBD_CONG_EXTENTS_MAX DRBD_AL_EXTENTS_MAX | ||
| 165 | #define DRBD_CONG_EXTENTS_DEF DRBD_AL_EXTENTS_DEF | ||
| 166 | |||
| 157 | #undef RANGE | 167 | #undef RANGE |
| 158 | #endif | 168 | #endif |