Add some missing vdev properties (#16346)

Sponsored-by: Klara, Inc.
Sponsored-By: Wasabi Technology, Inc.

Signed-off-by: Don Brady <don.brady@klarasystems.com>
Co-authored-by: Don Brady <don.brady@klarasystems.com>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>

include/sys/fs/zfs.h

@@ -368,6 +368,9 @@ typedef enum {
 	VDEV_PROP_RAIDZ_EXPANDING,
 	VDEV_PROP_SLOW_IO_N,
 	VDEV_PROP_SLOW_IO_T,
+	VDEV_PROP_TRIM_SUPPORT,
+	VDEV_PROP_TRIM_ERRORS,
+	VDEV_PROP_SLOW_IOS,
 	VDEV_NUM_PROPS
 } vdev_prop_t;
 

lib/libzfs/libzfs.abi

@@ -5702,7 +5702,10 @@
       <enumerator name='VDEV_PROP_RAIDZ_EXPANDING' value='46'/>
       <enumerator name='VDEV_PROP_SLOW_IO_N' value='47'/>
       <enumerator name='VDEV_PROP_SLOW_IO_T' value='48'/>
-      <enumerator name='VDEV_NUM_PROPS' value='49'/>
+      <enumerator name='VDEV_PROP_TRIM_SUPPORT' value='49'/>
+      <enumerator name='VDEV_PROP_TRIM_ERRORS' value='50'/>
+      <enumerator name='VDEV_PROP_SLOW_IOS' value='51'/>
+      <enumerator name='VDEV_NUM_PROPS' value='52'/>
     </enum-decl>
     <typedef-decl name='vdev_prop_t' type-id='1573bec8' id='5aa5c90c'/>
     <class-decl name='zpool_load_policy' size-in-bits='256' is-struct='yes' visibility='default' id='2f65b36f'>

lib/libzfs/libzfs_pool.c

@@ -5225,6 +5225,8 @@ zpool_get_vdev_prop_value(nvlist_t *nvprop, vdev_prop_t prop, char *prop_name,
 		case VDEV_PROP_WRITE_ERRORS:
 		case VDEV_PROP_CHECKSUM_ERRORS:
 		case VDEV_PROP_INITIALIZE_ERRORS:
+		case VDEV_PROP_TRIM_ERRORS:
+		case VDEV_PROP_SLOW_IOS:
 		case VDEV_PROP_OPS_NULL:
 		case VDEV_PROP_OPS_READ:
 		case VDEV_PROP_OPS_WRITE:
@@ -5304,6 +5306,11 @@ zpool_get_vdev_prop_value(nvlist_t *nvprop, vdev_prop_t prop, char *prop_name,
 			src = fnvlist_lookup_uint64(nv, ZPROP_SOURCE);
 			intval = fnvlist_lookup_uint64(nv, ZPROP_VALUE);
 		} else {
+			/* 'trim_support' only valid for leaf vdevs */
+			if (prop == VDEV_PROP_TRIM_SUPPORT) {
+				(void) strlcpy(buf, "-", len);
+				break;
+			}
 			src = ZPROP_SRC_DEFAULT;
 			intval = vdev_prop_default_numeric(prop);
 			/* Only use if provided by the RAIDZ VDEV above */

man/man7/vdevprops.7

@@ -102,8 +102,14 @@ Parent of this vdev
 Comma separated list of children of this vdev
 .It Sy numchildren
 The number of children belonging to this vdev
-.It Sy read_errors , write_errors , checksum_errors , initialize_errors
+.It Sy read_errors , write_errors , checksum_errors , initialize_errors , trim_errors
 The number of errors of each type encountered by this vdev
+.It Sy slow_ios
+The number of slow I/Os encountered by this vdev,
+These represent I/O operations that didn't complete in
+.Sy zio_slow_io_ms
+milliseconds
+.Pq Sy 30000 No by default .
 .It Sy null_ops , read_ops , write_ops , free_ops , claim_ops , trim_ops
 The number of I/O operations of each type performed by this vdev
 .It Xo
@@ -113,6 +119,8 @@ The number of I/O operations of each type performed by this vdev
 The cumulative size of all operations of each type performed by this vdev
 .It Sy removing
 If this device is currently being removed from the pool
+.It Sy trim_support
+Indicates if a leaf device supports trim operations.
 .El
 .Pp
 The following native properties can be used to change the behavior of a vdev.

module/zcommon/zpool_prop.c

@@ -381,6 +381,12 @@ vdev_prop_init(void)
 	zprop_register_number(VDEV_PROP_INITIALIZE_ERRORS,
 	    "initialize_errors", 0, PROP_READONLY, ZFS_TYPE_VDEV, "<errors>",
 	    "INITERR", B_FALSE, sfeatures);
+	zprop_register_number(VDEV_PROP_TRIM_ERRORS, "trim_errors", 0,
+	    PROP_READONLY, ZFS_TYPE_VDEV, "<errors>", "TRIMERR", B_FALSE,
+	    sfeatures);
+	zprop_register_number(VDEV_PROP_SLOW_IOS, "slow_ios", 0,
+	    PROP_READONLY, ZFS_TYPE_VDEV, "<slowios>", "SLOW", B_FALSE,
+	    sfeatures);
 	zprop_register_number(VDEV_PROP_OPS_NULL, "null_ops", 0,
 	    PROP_READONLY, ZFS_TYPE_VDEV, "<operations>", "NULLOP", B_FALSE,
 	    sfeatures);
@@ -448,6 +454,9 @@ vdev_prop_init(void)
 	zprop_register_index(VDEV_PROP_RAIDZ_EXPANDING, "raidz_expanding", 0,
 	    PROP_READONLY, ZFS_TYPE_VDEV, "on | off", "RAIDZ_EXPANDING",
 	    boolean_table, sfeatures);
+	zprop_register_index(VDEV_PROP_TRIM_SUPPORT, "trim_support", 0,
+	    PROP_READONLY, ZFS_TYPE_VDEV, "on | off", "TRIMSUP",
+	    boolean_table, sfeatures);
 
 	/* default index properties */
 	zprop_register_index(VDEV_PROP_FAILFAST, "failfast", B_TRUE,

module/zfs/vdev.c

@@ -6222,6 +6222,16 @@ vdev_prop_get(vdev_t *vd, nvlist_t *innvl, nvlist_t *outnvl)
 				    vd->vdev_stat.vs_initialize_errors,
 				    ZPROP_SRC_NONE);
 				continue;
+			case VDEV_PROP_TRIM_ERRORS:
+				vdev_prop_add_list(outnvl, propname, NULL,
+				    vd->vdev_stat.vs_trim_errors,
+				    ZPROP_SRC_NONE);
+				continue;
+			case VDEV_PROP_SLOW_IOS:
+				vdev_prop_add_list(outnvl, propname, NULL,
+				    vd->vdev_stat.vs_slow_ios,
+				    ZPROP_SRC_NONE);
+				continue;
 			case VDEV_PROP_OPS_NULL:
 				vdev_prop_add_list(outnvl, propname, NULL,
 				    vd->vdev_stat.vs_ops[ZIO_TYPE_NULL],
@@ -6306,6 +6316,14 @@ vdev_prop_get(vdev_t *vd, nvlist_t *innvl, nvlist_t *outnvl)
 					    ZPROP_SRC_NONE);
 				}
 				continue;
+			case VDEV_PROP_TRIM_SUPPORT:
+				/* only valid for leaf vdevs */
+				if (vd->vdev_ops->vdev_op_leaf) {
+					vdev_prop_add_list(outnvl, propname,
+					    NULL, vd->vdev_has_trim,
+					    ZPROP_SRC_NONE);
+				}
+				continue;
 			/* Numeric Properites */
 			case VDEV_PROP_ALLOCATING:
 				/* Leaf vdevs cannot have this property */

tests/zfs-tests/tests/functional/cli_root/zpool_get/vdev_get.cfg

@@ -72,4 +72,7 @@ typeset -a properties=(
     io_t
     slow_io_n
     slow_io_t
+    trim_support
+    trim_errors
+    slow_ios
 )