Fix spelling

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov
Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Haakan T Johansson <f96hajo@chalmers.se>
Closes #5547 
Closes #5543

include/sys/arc_impl.h

@@ -54,7 +54,7 @@ extern "C" {
  * a DVA.  These are buffers that hold dirty block copies
  * before they are written to stable storage.  By definition,
  * they are "ref'd" and are considered part of arc_mru
- * that cannot be freed.  Generally, they will aquire a DVA
+ * that cannot be freed.  Generally, they will acquire a DVA
  * as they are written and migrate onto the arc_mru list.
  *
  * The ARC_l2c_only state is for buffers that are in the second

include/sys/dnode.h

@@ -266,7 +266,7 @@ struct dnode {
 	 * duplicate entries, we order the dbufs by an arbitrary value -
 	 * their address in memory. This means that dn_dbufs cannot be used to
 	 * directly look up a dbuf. Instead, callers must use avl_walk, have
-	 * a reference to the dbuf, or look up a non-existant node with
+	 * a reference to the dbuf, or look up a non-existent node with
 	 * db_state = DB_SEARCH (see dbuf_free_range for an example).
 	 */
 	avl_tree_t dn_dbufs;

include/sys/efi_partition.h

@@ -272,7 +272,7 @@ typedef struct efi_gpe_Attrs {
 #define	EFI_FREEDESKTOP_BOOT	{ 0xbc13c2ff, 0x59e6, 0x4262, 0xa3, 0x52, \
 				    { 0xb2, 0x75, 0xfd, 0x6f, 0x71, 0x72 } }
 
-/* minimum # of bytes for partition table entires, per EFI spec */
+/* minimum # of bytes for partition table entries, per EFI spec */
 #define	EFI_MIN_ARRAY_SIZE	(16 * 1024)
 
 #define	EFI_PART_NAME_LEN	36

include/sys/fs/zfs.h

@@ -894,7 +894,7 @@ typedef struct vdev_stat_ex {
  * is passed between kernel and userland as an nvlist uint64 array.
  */
 typedef struct ddt_object {
-	uint64_t	ddo_count;	/* number of elments in ddt 	*/
+	uint64_t	ddo_count;	/* number of elements in ddt 	*/
 	uint64_t	ddo_dspace;	/* size of ddt on disk		*/
 	uint64_t	ddo_mspace;	/* size of ddt in-core		*/
 } ddt_object_t;

include/sys/metaslab_impl.h

@@ -104,7 +104,7 @@ struct metaslab_class {
 
 /*
  * Metaslab groups encapsulate all the allocatable regions (i.e. metaslabs)
- * of a top-level vdev. They are linked togther to form a circular linked
+ * of a top-level vdev. They are linked together to form a circular linked
  * list and can belong to only one metaslab class. Metaslab groups may become
  * ineligible for allocations for a number of reasons such as limited free
  * space, fragmentation, or going offline. When this happens the allocator will

include/sys/spa_impl.h

@@ -270,7 +270,7 @@ struct spa {
 	uint64_t	spa_errata;		/* errata issues detected */
 	spa_stats_t	spa_stats;		/* assorted spa statistics */
 	hrtime_t	spa_ccw_fail_time;	/* Conf cache write fail time */
-	taskq_t		*spa_zvol_taskq;	/* Taskq for minor managment */
+	taskq_t		*spa_zvol_taskq;	/* Taskq for minor management */
 
 	/*
 	 * spa_refcount & spa_config_lock must be the last elements

include/sys/txg_impl.h

@@ -65,7 +65,7 @@ extern "C" {
  * grab all tc_open_locks, increment the tx_open_txg, and drop the locks.
  * The tc_open_lock is held until the transaction is assigned into the
  * transaction group. Typically, this is a short operation but if throttling
- * is occuring it may be held for longer periods of time.
+ * is occurring it may be held for longer periods of time.
  */
 struct tx_cpu {
 	kmutex_t	tc_open_lock;	/* protects tx_open_txg */

include/sys/xvattr.h

@@ -73,7 +73,7 @@ typedef struct xoptattr {
  * - a 32 bit quantity (xva_mapsize) that specifies the size of the
  *   attribute bitmaps in 32 bit words.
  * - A pointer to the returned attribute bitmap (needed because the
- *   previous element, the requested attribute bitmap) is variable lenth.
+ *   previous element, the requested attribute bitmap) is variable length.
  * - The requested attribute bitmap, which is an array of 32 bit words.
  *   Callers use the XVA_SET_REQ() macro to set the bits corresponding to
  *   the attributes that are being requested.
@@ -97,7 +97,7 @@ typedef struct xoptattr {
  * attributes to be requested/returned.  File systems may or may not support
  * optional attributes.  They do so at their own discretion but if they do
  * support optional attributes, they must register the VFSFT_XVATTR feature
- * so that the optional attributes can be set/retrived.
+ * so that the optional attributes can be set/retrieved.
  *
  * The fields of the xvattr structure are:
  *

include/zpios-ctl.h

@@ -1,7 +1,7 @@
 /*
  *  ZPIOS is a heavily modified version of the original PIOS test code.
  *  It is designed to have the test code running in the Linux kernel
- *  against ZFS while still being flexibly controled from user space.
+ *  against ZFS while still being flexibly controlled from user space.
  *
  *  Copyright (C) 2008-2010 Lawrence Livermore National Security, LLC.
  *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).

include/zpios-internal.h

@@ -1,7 +1,7 @@
 /*
  *  ZPIOS is a heavily modified version of the original PIOS test code.
  *  It is designed to have the test code running in the Linux kernel
- *  against ZFS while still being flexibly controled from user space.
+ *  against ZFS while still being flexibly controlled from user space.
  *
  *  Copyright (C) 2008-2010 Lawrence Livermore National Security, LLC.
  *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).