@@ -1051,6 +1051,8 @@ int ubi_detach_mtd_dev(int ubi_num, int anyway)
ubi_notify_all(ubi, UBI_VOLUME_REMOVED, NULL);
dbg_msg("detaching mtd%d from ubi%d", ubi->mtd->index, ubi_num);
+ ubi_update_fastmap(ubi);
+
/*
* Before freeing anything, we have to stop the background thread to
* prevent it from doing anything on this device while we are freeing.
@@ -1058,10 +1060,6 @@ int ubi_detach_mtd_dev(int ubi_num, int anyway)
if (ubi->bgt_thread)
kthread_stop(ubi->bgt_thread);
- /* If no fastmap is present on the FLASH write one. */
- if (!ubi->fm)
- ubi_update_fastmap(ubi);
-
/*
* Get a reference to the device in order to prevent 'dev_release()'
* from freeing the @ubi object.
To ensure that fastmap knows all EC values we have to do this. Otherwise fastmap my miss EC updates. E.g: If the WL sub-system moves data from PEB A to PEB B. It picks B from the WL pool, moves the data to it an eraes A. If we detach now (or a power cut happens) the new EC value is lost. Signed-off-by: Richard Weinberger <richard@nod.at> --- drivers/mtd/ubi/build.c | 6 ++---- 1 files changed, 2 insertions(+), 4 deletions(-)