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

module/zfs/arc.c

@@ -4438,7 +4438,7 @@ SPL_SHRINKER_DECLARE(arc_shrinker, arc_shrinker_func, DEFAULT_SEEKS);
 
 /*
  * Adapt arc info given the number of bytes we are trying to add and
- * the state that we are comming from.  This function is only called
+ * the state that we are coming from.  This function is only called
  * when we are adding new content to the cache.
  */
 static void

module/zfs/dbuf.c

@@ -150,7 +150,7 @@ int dbuf_cache_max_shift = 5;
  * cache size). Once the eviction thread is woken up and eviction is required,
  * it will continue evicting buffers until it's able to reduce the cache size
  * to the low water mark. If the cache size continues to grow and hits the high
- * water mark, then callers adding elments to the cache will begin to evict
+ * water mark, then callers adding elements to the cache will begin to evict
  * directly from the cache until the cache is no longer above the high water
  * mark.
  */
@@ -320,7 +320,7 @@ dbuf_hash_remove(dmu_buf_impl_t *db)
 	idx = hv & h->hash_table_mask;
 
 	/*
-	 * We musn't hold db_mtx to maintain lock ordering:
+	 * We mustn't hold db_mtx to maintain lock ordering:
 	 * DBUF_HASH_MUTEX > db_mtx.
 	 */
 	ASSERT(refcount_is_zero(&db->db_holds));

module/zfs/dmu_objset.c

@@ -63,7 +63,7 @@
 krwlock_t os_lock;
 
 /*
- * Tunable to overwrite the maximum number of threads for the parallization
+ * Tunable to overwrite the maximum number of threads for the parallelization
  * of dmu_objset_find_dp, needed to speed up the import of pools with many
  * datasets.
  * Default is 4 times the number of leaf vdevs.

module/zfs/dnode_sync.c

@@ -539,7 +539,7 @@ dnode_sync_free(dnode_t *dn, dmu_tx_t *tx)
 	dnode_rele(dn, (void *)(uintptr_t)tx->tx_txg);
 	/*
 	 * Now that we've released our hold, the dnode may
-	 * be evicted, so we musn't access it.
+	 * be evicted, so we mustn't access it.
 	 */
 }
 

module/zfs/dsl_dataset.c

@@ -83,7 +83,7 @@ extern inline dsl_dataset_phys_t *dsl_dataset_phys(dsl_dataset_t *ds);
 extern int spa_asize_inflation;
 
 /*
- * Figure out how much of this delta should be propogated to the dsl_dir
+ * Figure out how much of this delta should be propagated to the dsl_dir
  * layer.  If there's a refreservation, that space has already been
  * partially accounted for in our ancestors.
  */

module/zfs/dsl_scan.c

@@ -834,7 +834,7 @@ dsl_scan_visitbp(blkptr_t *bp, const zbookmark_phys_t *zb,
 		goto out;
 
 	/*
-	 * If dsl_scan_ddt() has aready visited this block, it will have
+	 * If dsl_scan_ddt() has already visited this block, it will have
 	 * already done any translations or scrubbing, so don't call the
 	 * callback again.
 	 */

module/zfs/lz4.c

@@ -63,7 +63,7 @@ lz4_compress_zfs(void *s_start, void *d_start, size_t s_len,
 		return (s_len);
 
 	/*
-	 * Encode the compresed buffer size at the start. We'll need this in
+	 * Encode the compressed buffer size at the start. We'll need this in
 	 * decompression to counter the effects of padding which might be
 	 * added to the compressed buffer and which, if unhandled, would
 	 * confuse the hell out of our decompression function.
@@ -205,7 +205,7 @@ lz4_decompress_zfs(void *s_start, void *d_start, size_t s_len,
 
 /*
  * Little Endian or Big Endian?
- * Note: overwrite the below #define if you know your architecture endianess.
+ * Note: overwrite the below #define if you know your architecture endianness.
  */
 #if defined(_BIG_ENDIAN)
 #define	LZ4_BIG_ENDIAN 1

module/zfs/metaslab.c

@@ -1989,7 +1989,7 @@ metaslab_sync(metaslab_t *msp, uint64_t txg)
 	} else {
 		/*
 		 * Since the space map is not loaded we simply update the
-		 * exisiting histogram with what was freed in this txg. This
+		 * existing histogram with what was freed in this txg. This
 		 * means that the on-disk histogram may not have an accurate
 		 * view of the free space but it's close enough to allow
 		 * us to make allocation decisions.

module/zfs/policy.c

@@ -36,7 +36,7 @@
 
 /*
  * The passed credentials cannot be directly verified because Linux only
- * provides and interface to check the *current* proces credentials.  In
+ * provides and interface to check the *current* process credentials.  In
  * order to handle this the capable() test is only run when the passed
  * credentials match the current process credentials or the kcred.  In
  * all other cases this function must fail and return the passed err.

module/zfs/rrwlock.c

@@ -313,8 +313,8 @@ rrw_tsd_destroy(void *arg)
  * The idea is to split single busy lock into array of locks, so that
  * each reader can lock only one of them for read, depending on result
  * of simple hash function.  That proportionally reduces lock congestion.
- * Writer same time has to sequentially aquire write on all the locks.
- * That makes write aquisition proportionally slower, but in places where
+ * Writer at the same time has to sequentially acquire write on all the locks.
+ * That makes write acquisition proportionally slower, but in places where
  * it is used (filesystem unmount) performance is not critical.
  *
  * All the functions below are direct wrappers around functions above.

module/zfs/sa.c

@@ -1245,7 +1245,7 @@ sa_byteswap(sa_handle_t *hdl, sa_buf_type_t buftype)
 	sa_hdr_phys->sa_layout_info = BSWAP_16(sa_hdr_phys->sa_layout_info);
 
 	/*
-	 * Determine number of variable lenghts in header
+	 * Determine number of variable lengths in header
 	 * The standard 8 byte header has one for free and a
 	 * 16 byte header would have 4 + 1;
 	 */

module/zfs/spa.c

@@ -3677,7 +3677,7 @@ spa_set_aux_vdevs(spa_aux_vdev_t *sav, nvlist_t **devs, int ndevs,
 		nvlist_t **newdevs;
 
 		/*
-		 * Generate new dev list by concatentating with the
+		 * Generate new dev list by concatenating with the
 		 * current dev list.
 		 */
 		VERIFY(nvlist_lookup_nvlist_array(sav->sav_config, config,
@@ -6274,7 +6274,7 @@ spa_sync_props(void *arg, dmu_tx_t *tx)
 		case ZPOOL_PROP_VERSION:
 			intval = fnvpair_value_uint64(elem);
 			/*
-			 * The version is synced seperatly before other
+			 * The version is synced separately before other
 			 * properties and should be correct by now.
 			 */
 			ASSERT3U(spa_version(spa), >=, intval);
@@ -6304,7 +6304,7 @@ spa_sync_props(void *arg, dmu_tx_t *tx)
 			 * We need to dirty the configuration on all the vdevs
 			 * so that their labels get updated.  It's unnecessary
 			 * to do this for pool creation since the vdev's
-			 * configuratoin has already been dirtied.
+			 * configuration has already been dirtied.
 			 */
 			if (tx->tx_txg != TXG_INITIAL)
 				vdev_config_dirty(spa->spa_root_vdev);

module/zfs/spa_config.c

@@ -222,7 +222,7 @@ spa_config_write(spa_config_dirent_t *dp, nvlist_t *nvl)
  * the configuration has been synced to the MOS. This exposes a window where
  * the MOS config will have been updated but the cache file has not. If
  * the system were to crash at that instant then the cached config may not
- * contain the correct information to open the pool and an explicity import
+ * contain the correct information to open the pool and an explicit import
  * would be required.
  */
 void

module/zfs/spa_stats.c

@@ -106,7 +106,7 @@ spa_read_history_addr(kstat_t *ksp, loff_t n)
 }
 
 /*
- * When the kstat is written discard all spa_read_history_t entires.  The
+ * When the kstat is written discard all spa_read_history_t entries.  The
  * ssh->lock will be held until ksp->ks_ndata entries are processed.
  */
 static int
@@ -327,7 +327,7 @@ spa_txg_history_addr(kstat_t *ksp, loff_t n)
 }
 
 /*
- * When the kstat is written discard all spa_txg_history_t entires.  The
+ * When the kstat is written discard all spa_txg_history_t entries.  The
  * ssh->lock will be held until ksp->ks_ndata entries are processed.
  */
 static int

module/zfs/vdev.c

@@ -2706,7 +2706,7 @@ vdev_clear(spa_t *spa, vdev_t *vd)
 	    !vdev_readable(vd) || !vdev_writeable(vd)) {
 
 		/*
-		 * When reopening in reponse to a clear event, it may be due to
+		 * When reopening in response to a clear event, it may be due to
 		 * a fmadm repair request.  In this case, if the device is
 		 * still broken, we want to still post the ereport again.
 		 */

module/zfs/vdev_mirror.c

@@ -153,7 +153,7 @@ vdev_mirror_load(mirror_map_t *mm, vdev_t *vd, uint64_t zio_offset)
 
 	/*
 	 * Apply half the seek increment to I/O's within seek offset
-	 * of the last I/O queued to this vdev as they should incure less
+	 * of the last I/O queued to this vdev as they should incur less
 	 * of a seek increment.
 	 */
 	if (ABS(lastoffset - zio_offset) <

module/zfs/zap_micro.c

@@ -124,7 +124,7 @@ zap_hash(zap_name_t *zn)
 	 * Don't use all 64 bits, since we need some in the cookie for
 	 * the collision differentiator.  We MUST use the high bits,
 	 * since those are the ones that we first pay attention to when
-	 * chosing the bucket.
+	 * choosing the bucket.
 	 */
 	h &= ~((1ULL << (64 - zap_hashbits(zap))) - 1);
 

module/zfs/zfs_ioctl.c

@@ -4307,7 +4307,7 @@ zfs_ioc_recv_impl(char *tofs, char *tosnap, char *origin,
 		/*
 		 * dsl_props_set() will not convert RECEIVED to LOCAL on or
 		 * after SPA_VERSION_RECVD_PROPS, so we need to specify LOCAL
-		 * explictly if we're restoring local properties cleared in the
+		 * explicitly if we're restoring local properties cleared in the
 		 * first new-style receive.
 		 */
 		if (origprops != NULL &&

module/zfs/zfs_replay.c

@@ -870,7 +870,7 @@ zfs_replay_acl_v0(zfs_sb_t *zsb, lr_acl_v0_t *lr, boolean_t byteswap)
  * The FUID table index may no longer be valid and
  * during zfs_create() a new index may be assigned.
  * Because of this the log will contain the original
- * doman+rid in order to create a new FUID.
+ * domain+rid in order to create a new FUID.
  *
  * The individual ACEs may contain an ephemeral uid/gid which is no
  * longer valid and will need to be replaced with an actual FUID.

module/zfs/zfs_rlock.c

@@ -65,7 +65,7 @@
  * Otherwise, the proxy lock is split into smaller lock ranges and
  * new proxy locks created for non overlapping ranges.
  * The reference counts are adjusted accordingly.
- * Meanwhile, the orginal lock is kept around (this is the callers handle)
+ * Meanwhile, the original lock is kept around (this is the callers handle)
  * and its offset and length are used when releasing the lock.
  *
  * Thread coordination
@@ -87,7 +87,7 @@
  *
  * Grow block handling
  * -------------------
- * ZFS supports multiple block sizes currently upto 128K. The smallest
+ * ZFS supports multiple block sizes currently up to 128K. The smallest
  * block size is used for the file which is grown as needed. During this
  * growth all other writers and readers must be excluded.
  * So if the block size needs to be grown then the whole file is

module/zfs/zfs_vnops.c

@@ -857,7 +857,7 @@ zfs_write(struct inode *ip, uio_t *uio, int ioflag, cred_t *cr)
 
 		/*
 		 * Clear Set-UID/Set-GID bits on successful write if not
-		 * privileged and at least one of the excute bits is set.
+		 * privileged and at least one of the execute bits is set.
 		 *
 		 * It would be nice to to this after all writes have
 		 * been done, but that would still expose the ISUID/ISGID
@@ -2127,7 +2127,7 @@ top:
 	}
 
 	/*
-	 * Grab a lock on the directory to make sure that noone is
+	 * Grab a lock on the directory to make sure that no one is
 	 * trying to add (or lookup) entries while we are removing it.
 	 */
 	rw_enter(&zp->z_name_lock, RW_WRITER);

module/zfs/zil.c

@@ -544,7 +544,7 @@ zil_create(zilog_t *zilog)
 	/*
 	 * Allocate an initial log block if:
 	 *    - there isn't one already
-	 *    - the existing block is the wrong endianess
+	 *    - the existing block is the wrong endianness
 	 */
 	if (BP_IS_HOLE(&blk) || BP_SHOULD_BYTESWAP(&blk)) {
 		tx = dmu_tx_create(zilog->zl_os);

module/zfs/zpl_xattr.c

@@ -50,7 +50,7 @@
  * are the security.selinux xattrs which are less than 100 bytes and
  * exist for every file when xattr labeling is enabled.
  *
- * The Linux xattr implemenation has been written to take advantage of
+ * The Linux xattr implementation has been written to take advantage of
  * this typical usage.  When the dataset property 'xattr=sa' is set,
  * then xattrs will be preferentially stored as System Attributes (SA).
  * This allows tiny xattrs (~100 bytes) to be stored with the dnode and

module/zfs/zvol.c

@@ -1627,7 +1627,7 @@ zvol_create_minors_cb(const char *dsname, void *arg)
  * - for each zvol, create a minor node, then check if the zvol's snapshots
  *   are 'visible', and only then iterate over the snapshots if needed
  *
- * If the name represents a snapshot, a check is perfromed if the snapshot is
+ * If the name represents a snapshot, a check is performed if the snapshot is
  * 'visible' (which also verifies that the parent is a zvol), and if so,
  * a minor node for that snapshot is created.
  */