diff options
| -rw-r--r-- | fs/fscache/page.c | 16 |
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(""); } |