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authorDavid Howells <dhowells@redhat.com>2009-11-19 18:11:29 +0000
committerDavid Howells <dhowells@redhat.com>2009-11-19 18:11:29 +0000
commit285e728b0ac55b53a673114096168d6f74930167 (patch)
tree725dbd61cc9a3fecd593163d9b2cb0a061315cbf /fs/fscache
parent1bccf513ac49d44604ba1cddcc29f5886e70f1b6 (diff)
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: David Howells <dhowells@redhat.com>
Diffstat (limited to 'fs/fscache')
-rw-r--r--fs/fscache/page.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/fscache/page.c b/fs/fscache/page.c
index 3ea8897bc21..022a5da8e13 100644
--- a/fs/fscache/page.c
+++ b/fs/fscache/page.c
@@ -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);
- fscache_stat(&fscache_n_store_radix_deletes);
- xpage = radix_tree_delete(&cookie->stores, page->index);
+ 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);
}