diff options
| author | Brian Behlendorf <[email protected]> | 2012-01-30 12:15:31 -0800 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2012-02-02 11:28:00 -0800 |
| commit | 9a8b7a7458a3d76d35b26e7f2b737abd9ab4c6ef (patch) | |
| tree | d18ccbb60e2a38087166dcfb92e6d843841808f4 /module/spl/spl-kstat.c | |
| parent | 4b2220f0b937018b79154ac368c845e6176a8a66 (diff) | |
Add basic dynamic kstat support
Add the bare minimum functionality to support dynamic kstats. A
complete kstat implementation should be done as part of issue #84.
Signed-off-by: Brian Behlendorf <[email protected]>
Issue #84
Diffstat (limited to 'module/spl/spl-kstat.c')
| -rw-r--r-- | module/spl/spl-kstat.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/module/spl/spl-kstat.c b/module/spl/spl-kstat.c index ee9dfdf03..48fab972b 100644 --- a/module/spl/spl-kstat.c +++ b/module/spl/spl-kstat.c @@ -223,6 +223,13 @@ kstat_seq_show(struct seq_file *f, void *p) return rc; } +int +kstat_default_update(kstat_t *ksp, int rw) +{ + ASSERT(ksp != NULL); + return 0; +} + static void * kstat_seq_data_addr(kstat_t *ksp, loff_t n) { @@ -260,6 +267,9 @@ kstat_seq_start(struct seq_file *f, loff_t *pos) ASSERT(ksp->ks_magic == KS_MAGIC); SENTRY; + /* Dynamically update kstat, on error existing kstats are used */ + (void) ksp->ks_update(ksp, KSTAT_READ); + spin_lock(&ksp->ks_lock); ksp->ks_snaptime = gethrtime(); @@ -361,6 +371,8 @@ __kstat_create(const char *ks_module, int ks_instance, const char *ks_name, strncpy(ksp->ks_class, ks_class, KSTAT_STRLEN); ksp->ks_type = ks_type; ksp->ks_flags = ks_flags; + ksp->ks_update = kstat_default_update; + ksp->ks_private = NULL; switch (ksp->ks_type) { case KSTAT_TYPE_RAW: |