diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index 8aa10391115b0c1c183b50a86ecf6c1518f4c2e9..a74d3ee04ba8446c8113e1f970a6f9a8e03c1182 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -2157,6 +2157,10 @@ static inline int get_net_conf(struct drbd_conf *mdev) static inline void put_ldev(struct drbd_conf *mdev) { int i = atomic_dec_return(&mdev->local_cnt); + + /* This may be called from some endio handler, + * so we must not sleep here. */ + __release(local); D_ASSERT(i >= 0); if (i == 0) { diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 7c64ec042124a117e3bd97c636d0d938caa42ca5..13569635b9220bf880647de56ecf21b00b809e47 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -1334,11 +1334,19 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp static int drbd_nl_detach(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp, struct drbd_nl_cfg_reply *reply) { + enum drbd_ret_code retcode; + int ret; drbd_suspend_io(mdev); /* so no-one is stuck in drbd_al_begin_io */ - reply->ret_code = drbd_request_state(mdev, NS(disk, D_DISKLESS)); - if (mdev->state.disk == D_DISKLESS) - wait_event(mdev->misc_wait, !atomic_read(&mdev->local_cnt)); + retcode = drbd_request_state(mdev, NS(disk, D_FAILED)); + /* D_FAILED will transition to DISKLESS. */ + ret = wait_event_interruptible(mdev->misc_wait, + mdev->state.disk != D_FAILED); drbd_resume_io(mdev); + if (retcode == SS_IS_DISKLESS) + retcode = SS_NOTHING_TO_DO; + if (ret) + retcode = ERR_INTR; + reply->ret_code = retcode; return 0; } diff --git a/include/linux/drbd.h b/include/linux/drbd.h index cec467f5d6768ae92f958058ab93f20edba28ec6..c86283b4fbab0c0c12f0f2be479810b01a305562 100644 --- a/include/linux/drbd.h +++ b/include/linux/drbd.h @@ -53,7 +53,7 @@ extern const char *drbd_buildtag(void); -#define REL_VERSION "8.3.10" +#define REL_VERSION "8.3.11" #define API_VERSION 88 #define PRO_VERSION_MIN 86 #define PRO_VERSION_MAX 96