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authorAlexander Motin <[email protected]>2020-02-04 11:49:12 -0500
committerGitHub <[email protected]>2020-02-04 08:49:12 -0800
commit741db5a3466236620612772319c3401171d3f2b6 (patch)
treea2e1b4bb693457a94ae45e87f29301eaf4210657
parent52c487a0e4432269b0b0ddc034155a8cf62e0299 (diff)
Prepare ks_data before calling kstat_install()
It violated sequence described in kstat.h, and at least on FreeBSD kstat_install() uses provided names to create the sysctls. If the names are not available at the time, it ends up bad. Reviewed-by: Igor Kozhukhov <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Ryan Moeller <[email protected]> Signed-off-by: Alexander Motin <[email protected]> Sponsored-By: iXsystems, Inc. Closes #9933
-rw-r--r--module/os/linux/zfs/abd.c5
-rw-r--r--module/zfs/dbuf.c7
2 files changed, 5 insertions, 7 deletions
diff --git a/module/os/linux/zfs/abd.c b/module/os/linux/zfs/abd.c
index 40d73de0a..bc6f81000 100644
--- a/module/os/linux/zfs/abd.c
+++ b/module/os/linux/zfs/abd.c
@@ -573,15 +573,14 @@ abd_init(void)
abd_ksp = kstat_create("zfs", 0, "abdstats", "misc", KSTAT_TYPE_NAMED,
sizeof (abd_stats) / sizeof (kstat_named_t), KSTAT_FLAG_VIRTUAL);
if (abd_ksp != NULL) {
- abd_ksp->ks_data = &abd_stats;
- kstat_install(abd_ksp);
-
for (i = 0; i < MAX_ORDER; i++) {
snprintf(abd_stats.abdstat_scatter_orders[i].name,
KSTAT_STRLEN, "scatter_order_%d", i);
abd_stats.abdstat_scatter_orders[i].data_type =
KSTAT_DATA_UINT64;
}
+ abd_ksp->ks_data = &abd_stats;
+ kstat_install(abd_ksp);
}
}
diff --git a/module/zfs/dbuf.c b/module/zfs/dbuf.c
index d460f9922..15a8641b9 100644
--- a/module/zfs/dbuf.c
+++ b/module/zfs/dbuf.c
@@ -850,10 +850,6 @@ retry:
KSTAT_TYPE_NAMED, sizeof (dbuf_stats) / sizeof (kstat_named_t),
KSTAT_FLAG_VIRTUAL);
if (dbuf_ksp != NULL) {
- dbuf_ksp->ks_data = &dbuf_stats;
- dbuf_ksp->ks_update = dbuf_kstat_update;
- kstat_install(dbuf_ksp);
-
for (i = 0; i < DN_MAX_LEVELS; i++) {
snprintf(dbuf_stats.cache_levels[i].name,
KSTAT_STRLEN, "cache_level_%d", i);
@@ -864,6 +860,9 @@ retry:
dbuf_stats.cache_levels_bytes[i].data_type =
KSTAT_DATA_UINT64;
}
+ dbuf_ksp->ks_data = &dbuf_stats;
+ dbuf_ksp->ks_update = dbuf_kstat_update;
+ kstat_install(dbuf_ksp);
}
}