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Commit 37491a13 authored by David Howells's avatar David Howells
Browse files

CacheFiles: Make some debugging statements conditional 



Downgrade some debugging statements to not unconditionally print stuff, but
rather be conditional on the appropriate module parameter setting.

Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
parent 0f972b56

fs/cachefiles/rdwr.c

+7 −7
Original line number Diff line number Diff line
@@ -77,25 +77,25 @@ static int cachefiles_read_reissue(struct cachefiles_object *object, 
	struct page *backpage = monitor->back_page, *backpage2;

	int ret;



	kenter("{ino=%lx},{%lx,%lx}",

	_enter("{ino=%lx},{%lx,%lx}",

	       object->backer->d_inode->i_ino,

	       backpage->index, backpage->flags);



	/* skip if the page was truncated away completely */

	if (backpage->mapping != bmapping) {

		kleave(" = -ENODATA [mapping]");

		_leave(" = -ENODATA [mapping]");

		return -ENODATA;

	}



	backpage2 = find_get_page(bmapping, backpage->index);

	if (!backpage2) {

		kleave(" = -ENODATA [gone]");

		_leave(" = -ENODATA [gone]");

		return -ENODATA;

	}



	if (backpage != backpage2) {

		put_page(backpage2);

		kleave(" = -ENODATA [different]");

		_leave(" = -ENODATA [different]");

		return -ENODATA;

	}
@@ -114,7 +114,7 @@ static int cachefiles_read_reissue(struct cachefiles_object *object, 
		if (PageUptodate(backpage))

			goto unlock_discard;



		kdebug("reissue read");

		_debug("reissue read");

		ret = bmapping->a_ops->readpage(NULL, backpage);

		if (ret < 0)

			goto unlock_discard;
@@ -129,7 +129,7 @@ static int cachefiles_read_reissue(struct cachefiles_object *object, 
	}



	/* it'll reappear on the todo list */

	kleave(" = -EINPROGRESS");

	_leave(" = -EINPROGRESS");

	return -EINPROGRESS;



unlock_discard:
@@ -137,7 +137,7 @@ unlock_discard: 
	spin_lock_irq(&object->work_lock);

	list_del(&monitor->op_link);

	spin_unlock_irq(&object->work_lock);

	kleave(" = %d", ret);

	_leave(" = %d", ret);

	return ret;

}