Renamed zfs trim stats removing duplicate zio_trim identifier from the name

Added description option to kstats.
Added descriptions for zio_trim kstats

PR:		kern/173113
Submitted by:	Steven Hartland
Reviewed by:	pjd
Approved by:	pjd
MFC after:	2 weeks

2 files changed, 3 insertions, 1 deletions

diff --git a/sys/cddl/compat/opensolaris/kern/opensolaris_kstat.c b/sys/cddl/compat/opensolaris/kern/opensolaris_kstat.c
index 621aec0..ba65109 100644
--- a/sys/cddl/compat/opensolaris/kern/opensolaris_kstat.c
+++ b/sys/cddl/compat/opensolaris/kern/opensolaris_kstat.c
@@ -118,7 +118,7 @@ kstat_install(kstat_t *ksp)
 		SYSCTL_ADD_PROC(&ksp->ks_sysctl_ctx,
 		    SYSCTL_CHILDREN(ksp->ks_sysctl_root), OID_AUTO, ksent->name,
 		    CTLTYPE_U64 | CTLFLAG_RD, ksent, sizeof(*ksent),
-		    kstat_sysctl, "QU", "");
+		    kstat_sysctl, "QU", ksent->desc);
 	}
 }
 
diff --git a/sys/cddl/compat/opensolaris/sys/kstat.h b/sys/cddl/compat/opensolaris/sys/kstat.h
index d73bd22..acf6626 100644
--- a/sys/cddl/compat/opensolaris/sys/kstat.h
+++ b/sys/cddl/compat/opensolaris/sys/kstat.h
@@ -53,6 +53,8 @@ typedef struct kstat_named {
 #define	KSTAT_DATA_INT64	3
 #define	KSTAT_DATA_UINT64	4
 	uchar_t	data_type;
+#define	KSTAT_DESCLEN		128
+	char	desc[KSTAT_DESCLEN];
 	union {
 		uint64_t	ui64;
 	} value;