Update zinject -E docs

Reword and add that seconds can be a decimal

Signed-off-by: Robert Evans <[email protected]>

Author: rrevans

cmd/zinject/zinject.c

@@ -107,6 +107,8 @@
  * 	zinject
  * 	zinject <-a | -u pool>
  * 	zinject -c <id|all>
+ * 	zinject -E <seconds> [-a] [-m] [-f freq] [-l level] [-r range]
+ * 	    [-T iotype] [-t type object | -b bookmark pool]
  * 	zinject [-q] <-t type> [-f freq] [-u] [-a] [-m] [-e errno] [-l level]
  *	    [-r range] <object>
  * 	zinject [-f freq] [-a] [-m] [-u] -b objset:object:level:start:end pool
@@ -132,14 +134,17 @@
  * The '-f' flag controls the frequency of errors injected, expressed as a
  * real number percentage between 0.0001 and 100.  The default is 100.
  *
- * The this form is responsible for actually injecting the handler into the
+ * The <object> form is responsible for actually injecting the handler into the
  * framework.  It takes the arguments described above, translates them to the
  * internal tuple using libzpool, and then issues an ioctl() to register the
  * handler.
  *
- * The final form can target a specific bookmark, regardless of whether a
+ * The '-b' option can target a specific bookmark, regardless of whether a
  * human-readable interface has been designed.  It allows developers to specify
  * a particular block by number.
+ *
+ * The '-E' option injects pipeline ready stage delays for the given object or
+ * bookmark. It supports I/O type and range filters.
  */
 
 #include <errno.h>
@@ -350,8 +355,8 @@ usage(void)
 	    "\t\t[-T iotype] [-t type object | -b bookmark pool]\n"
 	    "\n"
 	    "\t\tInject pipeline ready stage delays for the given object path\n"
-	    "\t\t(data or dnode) or raw bookmark. Arguments other than -E are\n"
-	    "\t\tthe same as for injecting errors documented below."
+	    "\t\t(data or dnode) or raw bookmark. The delay is specified in\n"
+	    "\t\tseconds and allows decimals (e.g. 5 or 0.1).\n"
 	    "\n"
 	    "\tzinject -I [-s <seconds> | -g <txgs>] pool\n"
 	    "\t\tCause the pool to stop writing blocks yet not\n"

man/man8/zinject.8

@@ -147,10 +147,8 @@ This injector is automatically cleared after the import is finished.
 .Op Fl T Ar iotype
 .Op Fl t Ar type Ns | Ns Fl b Ar bookmark
 .Xc
-Inject pipeline ready stage delays for the given object or block.
-Arguments other than
-.Fl E
-are described for injecting errors below.
+Inject pipeline ready stage delays for the given object or bookmark.
+The delay is specified in seconds and allows decimals (e.g. 5 or 0.1).
 .
 .It Xo
 .Nm zinject