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authorAlexander Zarochentsev <zam@namesys.com>2006-08-13 23:24:27 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2006-08-14 12:54:29 -0700
commit1d7ea7324ae7a59f8e17e4ba76a2707c1e6f24d2 (patch)
tree902b646ed70af86481a77a67582b79e67264a481 /mm
parent9b41ea7289a589993d3daabc61f999b4147872c4 (diff)
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[PATCH] fuse: fix error case in fuse_readpages
Don't let fuse_readpages leave the @pages list not empty when exiting on error. [akpm@osdl.org: kernel-doc fixes] Signed-off-by: Alexander Zarochentsev <zam@namesys.com> Signed-off-by: Miklos Szeredi <miklos@szeredi.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'mm')
-rw-r--r--mm/swap.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/mm/swap.c b/mm/swap.c
index 8fd095c..687686a 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -54,6 +54,26 @@ void put_page(struct page *page)
}
EXPORT_SYMBOL(put_page);
+/**
+ * put_pages_list(): release a list of pages
+ *
+ * Release a list of pages which are strung together on page.lru. Currently
+ * used by read_cache_pages() and related error recovery code.
+ *
+ * @pages: list of pages threaded on page->lru
+ */
+void put_pages_list(struct list_head *pages)
+{
+ while (!list_empty(pages)) {
+ struct page *victim;
+
+ victim = list_entry(pages->prev, struct page, lru);
+ list_del(&victim->lru);
+ page_cache_release(victim);
+ }
+}
+EXPORT_SYMBOL(put_pages_list);
+
/*
* Writeback is about to end against a page which has been marked for immediate
* reclaim. If it still appears to be reclaimable, move it to the tail of the