diff options
Diffstat (limited to 'include/sys/mmp.h')
| -rw-r--r-- | include/sys/mmp.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/sys/mmp.h b/include/sys/mmp.h index 6f4672a38..527e3323b 100644 --- a/include/sys/mmp.h +++ b/include/sys/mmp.h @@ -31,6 +31,11 @@ extern "C" { #define MMP_DEFAULT_INTERVAL 1000 /* ms */ #define MMP_DEFAULT_IMPORT_INTERVALS 20 #define MMP_DEFAULT_FAIL_INTERVALS 10 +#define MMP_MIN_FAIL_INTERVALS 2 /* min if != 0 */ +#define MMP_IMPORT_SAFETY_FACTOR 200 /* pct */ +#define MMP_INTERVAL_OK(interval) MAX(interval, MMP_MIN_INTERVAL) +#define MMP_FAIL_INTVS_OK(fails) (fails == 0 ? 0 : MAX(fails, \ + MMP_MIN_FAIL_INTERVALS)) typedef struct mmp_thread { kmutex_t mmp_thread_lock; /* protect thread mgmt fields */ @@ -46,6 +51,7 @@ typedef struct mmp_thread { int mmp_skip_error; /* reason for last skipped write */ vdev_t *mmp_last_leaf; /* last mmp write sent here */ uint64_t mmp_leaf_last_gen; /* last mmp write sent here */ + uint32_t mmp_seq; /* intra-second update counter */ } mmp_thread_t; |