diff options
| author |   Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2007-12-17 20:33:20 +0200 |
|---|---|---|
| committer | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2007-12-26 19:15:17 +0200 |
| commit | cdfa788acd134a35d3e5b73d1a76fca4033d8aa9 (patch) | |
| tree | ccc8cbf0bad80f569d9e3bbdc7cbf9c97556f155 /drivers/mtd/ubi/wl.c | |
| parent | UBI: add UBI devices reference counting (diff) | |
| download | linux-dev-cdfa788acd134a35d3e5b73d1a76fca4033d8aa9.tar.xz linux-dev-cdfa788acd134a35d3e5b73d1a76fca4033d8aa9.zip | |
UBI: prepare attach and detach functions
Prepare the attach and detach functions to by used outside of
module initialization:
* detach function checks reference count before detaching
* it kills the background thread as well
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/mtd/ubi/wl.c | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c index bfc64c824165..1142aabcfc8c 100644 --- a/drivers/mtd/ubi/wl.c +++ b/drivers/mtd/ubi/wl.c @@ -1356,7 +1356,7 @@ static void tree_destroy(struct rb_root *root) * ubi_thread - UBI background thread. * @u: the UBI device description object pointer */ -static int ubi_thread(void *u) +int ubi_thread(void *u) { int failures = 0; struct ubi_device *ubi = u; @@ -1454,18 +1454,10 @@ int ubi_wl_init_scan(struct ubi_device *ubi, struct ubi_scan_info *si) sprintf(ubi->bgt_name, UBI_BGT_NAME_PATTERN, ubi->ubi_num); - ubi->bgt_thread = kthread_create(ubi_thread, ubi, ubi->bgt_name); - if (IS_ERR(ubi->bgt_thread)) { - err = PTR_ERR(ubi->bgt_thread); - ubi_err("cannot spawn \"%s\", error %d", ubi->bgt_name, - err); - return err; - } - err = -ENOMEM; ubi->lookuptbl = kzalloc(ubi->peb_count * sizeof(void *), GFP_KERNEL); if (!ubi->lookuptbl) - goto out_free; + return err; list_for_each_entry_safe(seb, tmp, &si->erase, u.list) { cond_resched(); @@ -1598,10 +1590,6 @@ static void protection_trees_destroy(struct ubi_device *ubi) */ void ubi_wl_close(struct ubi_device *ubi) { - dbg_wl("disable \"%s\"", ubi->bgt_name); - if (ubi->bgt_thread) - kthread_stop(ubi->bgt_thread); - dbg_wl("close the UBI wear-leveling unit"); cancel_pending(ubi); |