Check that the netfs isn't trying to relinquish a cookie that still has read operations in progress upon it. If there are, then give log a warning and BUG. Signed-off-by: David Howells <dhowells@xxxxxxxxxx> --- fs/fscache/cookie.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) diff --git a/fs/fscache/cookie.c b/fs/fscache/cookie.c index 9905350..0666996 100644 --- a/fs/fscache/cookie.c +++ b/fs/fscache/cookie.c @@ -452,6 +452,14 @@ void __fscache_relinquish_cookie(struct fscache_cookie *cookie, int retire) _debug("RELEASE OBJ%x", object->debug_id); + if (atomic_read(&object->n_reads)) { + spin_unlock(&cookie->lock); + printk(KERN_ERR "FS-Cache:" + " Cookie '%s' still has %d outstanding reads\n", + cookie->def->name, atomic_read(&object->n_reads)); + BUG(); + } + /* detach each cache object from the object cookie */ spin_lock(&object->lock); hlist_del_init(&object->cookie_link); -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html