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-rw-r--r--fs/fscache/page.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/fs/fscache/page.c b/fs/fscache/page.c
index ff000e52072d..4882c806253f 100644
--- a/fs/fscache/page.c
+++ b/fs/fscache/page.c
@@ -796,11 +796,16 @@ void fscache_invalidate_writes(struct fscache_cookie *cookie)
_enter("");
- while (spin_lock(&cookie->stores_lock),
- n = radix_tree_gang_lookup_tag(&cookie->stores, results, 0,
- ARRAY_SIZE(results),
- FSCACHE_COOKIE_PENDING_TAG),
- n > 0) {
+ for (;;) {
+ spin_lock(&cookie->stores_lock);
+ n = radix_tree_gang_lookup_tag(&cookie->stores, results, 0,
+ ARRAY_SIZE(results),
+ FSCACHE_COOKIE_PENDING_TAG);
+ if (n == 0) {
+ spin_unlock(&cookie->stores_lock);
+ break;
+ }
+
for (i = n - 1; i >= 0; i--) {
page = results[i];
radix_tree_delete(&cookie->stores, page->index);
@@ -812,7 +817,6 @@ void fscache_invalidate_writes(struct fscache_cookie *cookie)
page_cache_release(results[i]);
}
- spin_unlock(&cookie->stores_lock);
_leave("");
}