UBIFS: fix minor stylistic issues

Fix several minor stylistic issues:
* lines longer than 80 characters
* space before closing parenthesis ')'
* spaces in the indentations

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

fs/ubifs/debug.c

@@ -2421,7 +2421,8 @@ int dbg_check_nondata_nodes_order(struct ubifs_info *c, struct list_head *head)
 		hashb = key_block(c, &sb->key);
 
 		if (hasha > hashb) {
-			ubifs_err("larger hash %u goes before %u", hasha, hashb);
+			ubifs_err("larger hash %u goes before %u",
+				  hasha, hashb);
 			goto error_dump;
 		}
 	}

fs/ubifs/file.c

@@ -971,11 +971,11 @@ static int do_writepage(struct page *page, int len)
  * the page locked, and it locks @ui_mutex. However, write-back does take inode
  * @i_mutex, which means other VFS operations may be run on this inode at the
  * same time. And the problematic one is truncation to smaller size, from where
- * we have to call 'truncate_setsize()', which first changes @inode->i_size, then
+ * we have to call 'truncate_setsize()', which first changes @inode->i_size,
- * drops the truncated pages. And while dropping the pages, it takes the page
+ * then drops the truncated pages. And while dropping the pages, it takes the
- * lock. This means that 'do_truncation()' cannot call 'truncate_setsize()' with
+ * page lock. This means that 'do_truncation()' cannot call 'truncate_setsize()'
- * @ui_mutex locked, because it would deadlock with 'ubifs_writepage()'. This
+ * with @ui_mutex locked, because it would deadlock with 'ubifs_writepage()'.
- * means that @inode->i_size is changed while @ui_mutex is unlocked.
+ * This means that @inode->i_size is changed while @ui_mutex is unlocked.
  *
  * XXX(truncate): with the new truncate sequence this is not true anymore,
  * and the calls to truncate_setsize can be move around freely.  They should
@@ -1432,10 +1432,11 @@ static int ubifs_releasepage(struct page *page, gfp_t unused_gfp_flags)
 }
 
 /*
- * mmap()d file has taken write protection fault and is being made
+ * mmap()d file has taken write protection fault and is being made writable.
- * writable. UBIFS must ensure page is budgeted for.
+ * UBIFS must ensure page is budgeted for.
  */
-static int ubifs_vm_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
+static int ubifs_vm_page_mkwrite(struct vm_area_struct *vma,
+				 struct vm_fault *vmf)
 {
 	struct page *page = vmf->page;
 	struct inode *inode = vma->vm_file->f_path.dentry->d_inode;

fs/ubifs/io.c

@@ -393,7 +393,7 @@ int ubifs_wbuf_sync_nolock(struct ubifs_wbuf *wbuf)
 	ubifs_assert(wbuf->size % c->min_io_size == 0);
 	ubifs_assert(!c->ro_media && !c->ro_mount);
 	if (c->leb_size - wbuf->offs >= c->max_write_size)
-		ubifs_assert(!((wbuf->offs + wbuf->size) % c->max_write_size ));
+		ubifs_assert(!((wbuf->offs + wbuf->size) % c->max_write_size));
 
 	if (c->ro_error)
 		return -EROFS;
@@ -588,7 +588,7 @@ int ubifs_wbuf_write_nolock(struct ubifs_wbuf *wbuf, void *buf, int len)
 	ubifs_assert(mutex_is_locked(&wbuf->io_mutex));
 	ubifs_assert(!c->ro_media && !c->ro_mount);
 	if (c->leb_size - wbuf->offs >= c->max_write_size)
-		ubifs_assert(!((wbuf->offs + wbuf->size) % c->max_write_size ));
+		ubifs_assert(!((wbuf->offs + wbuf->size) % c->max_write_size));
 
 	if (c->leb_size - wbuf->offs - wbuf->used < aligned_len) {
 		err = -ENOSPC;

fs/ubifs/orphan.c

@@ -673,7 +673,8 @@ static int kill_orphans(struct ubifs_info *c)
 		sleb = ubifs_scan(c, lnum, 0, c->sbuf, 1);
 		if (IS_ERR(sleb)) {
 			if (PTR_ERR(sleb) == -EUCLEAN)
-				sleb = ubifs_recover_leb(c, lnum, 0, c->sbuf, 0);
+				sleb = ubifs_recover_leb(c, lnum, 0,
+							 c->sbuf, 0);
 			if (IS_ERR(sleb)) {
 				err = PTR_ERR(sleb);
 				break;

fs/ubifs/super.c

@@ -1144,7 +1144,7 @@ static int check_free_space(struct ubifs_info *c)
 {
 	ubifs_assert(c->dark_wm > 0);
 	if (c->lst.total_free + c->lst.total_dirty < c->dark_wm) {
-		ubifs_err("insufficient free space to mount in read/write mode");
+		ubifs_err("insufficient free space to mount in R/W mode");
 		dbg_dump_budg(c);
 		dbg_dump_lprops(c);
 		return -ENOSPC;

fs/ubifs/ubifs.h

@@ -389,9 +389,9 @@ struct ubifs_gced_idx_leb {
  * The @ui_size is a "shadow" variable for @inode->i_size and UBIFS uses
  * @ui_size instead of @inode->i_size. The reason for this is that UBIFS cannot
  * make sure @inode->i_size is always changed under @ui_mutex, because it
- * cannot call 'truncate_setsize()' with @ui_mutex locked, because it would deadlock
+ * cannot call 'truncate_setsize()' with @ui_mutex locked, because it would
- * with 'ubifs_writepage()' (see file.c). All the other inode fields are
+ * deadlock with 'ubifs_writepage()' (see file.c). All the other inode fields
- * changed under @ui_mutex, so they do not need "shadow" fields. Note, one
+ * are changed under @ui_mutex, so they do not need "shadow" fields. Note, one
  * could consider to rework locking and base it on "shadow" fields.
  */
 struct ubifs_inode {