35 lines
1.0 KiB
Diff
35 lines
1.0 KiB
Diff
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
|
Subject: fs/fscache: done merge spin_lock() in while()
|
|
|
|
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
|
--- a/fs/fscache/page.c
|
|
+++ b/fs/fscache/page.c
|
|
@@ -796,11 +796,13 @@ void fscache_invalidate_writes(struct fs
|
|
|
|
_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) {
|
|
+ do {
|
|
+ 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)
|
|
+ break;
|
|
for (i = n - 1; i >= 0; i--) {
|
|
page = results[i];
|
|
radix_tree_delete(&cookie->stores, page->index);
|
|
@@ -810,7 +812,7 @@ void fscache_invalidate_writes(struct fs
|
|
|
|
for (i = n - 1; i >= 0; i--)
|
|
page_cache_release(results[i]);
|
|
- }
|
|
+ } while (1);
|
|
|
|
spin_unlock(&cookie->stores_lock);
|
|
_leave("");
|