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Commit 285e728b authored by David Howells's avatar David Howells
Browse files

FS-Cache: Don't delete pending pages from the page-store tracking tree 



Don't delete pending pages from the page-store tracking tree, but rather send
them for another write as they've presumably been updated.

Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
parent 1bccf513

fs/fscache/page.c

+5 −2
Original line number Diff line number Diff line
@@ -57,8 +57,11 @@ static void fscache_end_page_write(struct fscache_object *object, 
		/* delete the page from the tree if it is now no longer

		 * pending */

		spin_lock(&cookie->stores_lock);

		if (!radix_tree_tag_get(&cookie->stores, page->index,

					FSCACHE_COOKIE_PENDING_TAG)) {

			fscache_stat(&fscache_n_store_radix_deletes);

			xpage = radix_tree_delete(&cookie->stores, page->index);

		}

		spin_unlock(&cookie->stores_lock);

		wake_up_bit(&cookie->flags, 0);

	}

lib/radix-tree.c

+0 −2
Original line number Diff line number Diff line
@@ -546,7 +546,6 @@ void *radix_tree_tag_clear(struct radix_tree_root *root, 
}

EXPORT_SYMBOL(radix_tree_tag_clear);



#ifndef __KERNEL__	/* Only the test harness uses this at present */

/**

 * radix_tree_tag_get - get a tag on a radix tree node

 * @root:		radix tree root
@@ -609,7 +608,6 @@ int radix_tree_tag_get(struct radix_tree_root *root, 
	}

}

EXPORT_SYMBOL(radix_tree_tag_get);

#endif



/**

 *	radix_tree_next_hole    -    find the next hole (not-present entry)