FS-Cache: fscache_object_is_dead() has wrong logic, kill it

fscache_object_is_dead() returns true only if the object is marked dead and
the cache got an I/O error.  This should be a logical OR instead.  Since two
of the callers got split up into handling for separate subcases, expand the
other callers and kill the function.  This is probably the right thing to do
anyway since one of the subcases isn't about the object at all, but rather
about the cache.

Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Steve Dickson <steved@redhat.com>
Acked-by: Jeff Layton <jeff.layton@primarydata.com>

2 files changed, 6 insertions, 3 deletions

diff --git a/fs/fscache/cookie.c b/fs/fscache/cookie.c
index 89acec742e0b..8de22164f5fb 100644
--- a/fs/fscache/cookie.c
+++ b/fs/fscache/cookie.c
@@ -327,7 +327,8 @@ static int fscache_alloc_object(struct fscache_cache *cache,
 
 object_already_extant:
         ret = -ENOBUFS;
-        if (fscache_object_is_dead(object)) {
+        if (fscache_object_is_dying(object) ||
+            fscache_cache_is_broken(object)) {
                 spin_unlock(&cookie->lock);
                 goto error;
         }
diff --git a/fs/fscache/page.c b/fs/fscache/page.c
index de33b3fccca6..d0805e31361c 100644
--- a/fs/fscache/page.c
+++ b/fs/fscache/page.c
@@ -377,11 +377,13 @@ check_if_dead:
                 _leave(" = -ENOBUFS [cancelled]");
                 return -ENOBUFS;
         }
-        if (unlikely(fscache_object_is_dead(object))) {
-                pr_err("%s() = -ENOBUFS [obj dead %d]\n", __func__, op->state);
+        if (unlikely(fscache_object_is_dying(object) ||
+                     fscache_cache_is_broken(object))) {
+                enum fscache_operation_state state = op->state;
                 fscache_cancel_op(op, do_cancel);
                 if (stat_object_dead)
                         fscache_stat(stat_object_dead);
+                _leave(" = -ENOBUFS [obj dead %d]", state);
                 return -ENOBUFS;
         }
         return 0;