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Commit 5a09adf1 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2 

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2:
  nilfs2: fix preempt count underflow in nilfs_btnode_prepare_change_key
parents 931f7035 b1f1b8ce

fs/nilfs2/btnode.c

+1 −1
Original line number Diff line number Diff line
@@ -209,6 +209,7 @@ int nilfs_btnode_prepare_change_key(struct address_space *btnc, 
		 * We cannot call radix_tree_preload for the kernels older

		 * than 2.6.23, because it is not exported for modules.

		 */

retry:

		err = radix_tree_preload(GFP_NOFS & ~__GFP_HIGHMEM);

		if (err)

			goto failed_unlock;
@@ -219,7 +220,6 @@ int nilfs_btnode_prepare_change_key(struct address_space *btnc, 
				       (unsigned long long)oldkey,

				       (unsigned long long)newkey);



retry:

		spin_lock_irq(&btnc->tree_lock);

		err = radix_tree_insert(&btnc->page_tree, newkey, obh->b_page);

		spin_unlock_irq(&btnc->tree_lock);