Documentation: Fix multiple typo in Documentation

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

Documentation/filesystems/ext4.txt

@@ -308,7 +308,7 @@ min_batch_time=usec	This parameter sets the commit time (as
 			fast disks, at the cost of increasing latency.
 
 journal_ioprio=prio	The I/O priority (from 0 to 7, where 0 is the
-			highest priorty) which should be used for I/O
+			highest priority) which should be used for I/O
 			operations submitted by kjournald2 during a
 			commit operation.  This defaults to 3, which is
 			a slightly higher priority than the default I/O
@@ -343,7 +343,7 @@ noinit_itable		Do not initialize any uninitialized inode table
 init_itable=n		The lazy itable init code will wait n times the
 			number of milliseconds it took to zero out the
 			previous block group's inode table.  This
-			minimizes the impact on the systme performance
+			minimizes the impact on the system performance
 			while file system's inode table is being initialized.
 
 discard			Controls whether ext4 should issue discard/TRIM

Documentation/filesystems/gfs2-uevents.txt

@@ -62,7 +62,7 @@ be fixed.
 
 The REMOVE uevent is generated at the end of an unsuccessful mount
 or at the end of a umount of the filesystem. All REMOVE uevents will
-have been preceded by at least an ADD uevent for the same fileystem,
+have been preceded by at least an ADD uevent for the same filesystem,
 and unlike the other uevents is generated automatically by the kernel's
 kobject subsystem.
 

Documentation/filesystems/pohmelfs/network_protocol.txt

@@ -20,7 +20,7 @@ Commands can be embedded into transaction command (which in turn has own command
 so one can extend protocol as needed without breaking backward compatibility as long
 as old commands are supported. All string lengths include tail 0 byte.
 
-All commands are transferred over the network in big-endian. CPU endianess is used at the end peers.
+All commands are transferred over the network in big-endian. CPU endianness is used at the end peers.
 
 @cmd - command number, which specifies command to be processed. Following
 	commands are used currently:

Documentation/filesystems/vfs.txt

@@ -993,7 +993,7 @@ struct dentry_operations {
 
 	If the 'rcu_walk' parameter is true, then the caller is doing a
 	pathwalk in RCU-walk mode.  Sleeping is not permitted in this mode,
-	and the caller can be asked to leave it and call again by returing
+	and the caller can be asked to leave it and call again by returning
 	-ECHILD.
 
 	This function is only used if DCACHE_MANAGE_TRANSIT is set on the