diff options
Diffstat (limited to 'drivers/mtd/ubi/wl.c')
| -rw-r--r-- | drivers/mtd/ubi/wl.c | 42 |
1 files changed, 24 insertions, 18 deletions
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c index ff2c4956eef..42c684cf368 100644 --- a/drivers/mtd/ubi/wl.c +++ b/drivers/mtd/ubi/wl.c @@ -1,4 +1,5 @@ /* + * @ubi: UBI device description object * Copyright (c) International Business Machines Corp., 2006 * * This program is free software; you can redistribute it and/or modify @@ -163,12 +164,14 @@ struct ubi_work { #ifdef CONFIG_MTD_UBI_DEBUG static int paranoid_check_ec(struct ubi_device *ubi, int pnum, int ec); -static int paranoid_check_in_wl_tree(struct ubi_wl_entry *e, +static int paranoid_check_in_wl_tree(const struct ubi_device *ubi, + struct ubi_wl_entry *e, struct rb_root *root); -static int paranoid_check_in_pq(struct ubi_device *ubi, struct ubi_wl_entry *e); +static int paranoid_check_in_pq(const struct ubi_device *ubi, + struct ubi_wl_entry *e); #else #define paranoid_check_ec(ubi, pnum, ec) 0 -#define paranoid_check_in_wl_tree(e, root) +#define paranoid_check_in_wl_tree(ubi, e, root) #define paranoid_check_in_pq(ubi, e) 0 #endif @@ -449,7 +452,7 @@ retry: BUG(); } - paranoid_check_in_wl_tree(e, &ubi->free); + paranoid_check_in_wl_tree(ubi, e, &ubi->free); /* * Move the physical eraseblock to the protection queue where it will @@ -613,7 +616,7 @@ static void schedule_ubi_work(struct ubi_device *ubi, struct ubi_work *wrk) list_add_tail(&wrk->list, &ubi->works); ubi_assert(ubi->works_count >= 0); ubi->works_count += 1; - if (ubi->thread_enabled && !ubi_dbg_is_bgt_disabled()) + if (ubi->thread_enabled && !ubi_dbg_is_bgt_disabled(ubi)) wake_up_process(ubi->bgt_thread); spin_unlock(&ubi->wl_lock); } @@ -712,7 +715,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk, e1->ec, e2->ec); goto out_cancel; } - paranoid_check_in_wl_tree(e1, &ubi->used); + paranoid_check_in_wl_tree(ubi, e1, &ubi->used); rb_erase(&e1->u.rb, &ubi->used); dbg_wl("move PEB %d EC %d to PEB %d EC %d", e1->pnum, e1->ec, e2->pnum, e2->ec); @@ -721,12 +724,12 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk, scrubbing = 1; e1 = rb_entry(rb_first(&ubi->scrub), struct ubi_wl_entry, u.rb); e2 = find_wl_entry(&ubi->free, WL_FREE_MAX_DIFF); - paranoid_check_in_wl_tree(e1, &ubi->scrub); + paranoid_check_in_wl_tree(ubi, e1, &ubi->scrub); rb_erase(&e1->u.rb, &ubi->scrub); dbg_wl("scrub PEB %d to PEB %d", e1->pnum, e2->pnum); } - paranoid_check_in_wl_tree(e2, &ubi->free); + paranoid_check_in_wl_tree(ubi, e2, &ubi->free); rb_erase(&e2->u.rb, &ubi->free); ubi->move_from = e1; ubi->move_to = e2; @@ -1169,13 +1172,13 @@ retry: return 0; } else { if (in_wl_tree(e, &ubi->used)) { - paranoid_check_in_wl_tree(e, &ubi->used); + paranoid_check_in_wl_tree(ubi, e, &ubi->used); rb_erase(&e->u.rb, &ubi->used); } else if (in_wl_tree(e, &ubi->scrub)) { - paranoid_check_in_wl_tree(e, &ubi->scrub); + paranoid_check_in_wl_tree(ubi, e, &ubi->scrub); rb_erase(&e->u.rb, &ubi->scrub); } else if (in_wl_tree(e, &ubi->erroneous)) { - paranoid_check_in_wl_tree(e, &ubi->erroneous); + paranoid_check_in_wl_tree(ubi, e, &ubi->erroneous); rb_erase(&e->u.rb, &ubi->erroneous); ubi->erroneous_peb_count -= 1; ubi_assert(ubi->erroneous_peb_count >= 0); @@ -1242,7 +1245,7 @@ retry: } if (in_wl_tree(e, &ubi->used)) { - paranoid_check_in_wl_tree(e, &ubi->used); + paranoid_check_in_wl_tree(ubi, e, &ubi->used); rb_erase(&e->u.rb, &ubi->used); } else { int err; @@ -1364,7 +1367,7 @@ int ubi_thread(void *u) spin_lock(&ubi->wl_lock); if (list_empty(&ubi->works) || ubi->ro_mode || - !ubi->thread_enabled || ubi_dbg_is_bgt_disabled()) { + !ubi->thread_enabled || ubi_dbg_is_bgt_disabled(ubi)) { set_current_state(TASK_INTERRUPTIBLE); spin_unlock(&ubi->wl_lock); schedule(); @@ -1579,7 +1582,7 @@ static int paranoid_check_ec(struct ubi_device *ubi, int pnum, int ec) long long read_ec; struct ubi_ec_hdr *ec_hdr; - if (!(ubi_chk_flags & UBI_CHK_GEN)) + if (!ubi->dbg->chk_gen) return 0; ec_hdr = kzalloc(ubi->ec_hdr_alsize, GFP_NOFS); @@ -1609,16 +1612,18 @@ out_free: /** * paranoid_check_in_wl_tree - check that wear-leveling entry is in WL RB-tree. + * @ubi: UBI device description object * @e: the wear-leveling entry to check * @root: the root of the tree * * This function returns zero if @e is in the @root RB-tree and %-EINVAL if it * is not. */ -static int paranoid_check_in_wl_tree(struct ubi_wl_entry *e, +static int paranoid_check_in_wl_tree(const struct ubi_device *ubi, + struct ubi_wl_entry *e, struct rb_root *root) { - if (!(ubi_chk_flags & UBI_CHK_GEN)) + if (!ubi->dbg->chk_gen) return 0; if (in_wl_tree(e, root)) @@ -1638,12 +1643,13 @@ static int paranoid_check_in_wl_tree(struct ubi_wl_entry *e, * * This function returns zero if @e is in @ubi->pq and %-EINVAL if it is not. */ -static int paranoid_check_in_pq(struct ubi_device *ubi, struct ubi_wl_entry *e) +static int paranoid_check_in_pq(const struct ubi_device *ubi, + struct ubi_wl_entry *e) { struct ubi_wl_entry *p; int i; - if (!(ubi_chk_flags & UBI_CHK_GEN)) + if (!ubi->dbg->chk_gen) return 0; for (i = 0; i < UBI_PROT_QUEUE_LEN; ++i) |