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path: root/drivers/mtd/ubi/wl.c
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Diffstat (limited to 'drivers/mtd/ubi/wl.c')
-rw-r--r--drivers/mtd/ubi/wl.c92
1 files changed, 44 insertions, 48 deletions
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index 6821952bcdb..2a5d2a0e14a 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -475,52 +475,47 @@ retry:
}
switch (dtype) {
- case UBI_LONGTERM:
- /*
- * For long term data we pick a physical eraseblock
- * with high erase counter. But the highest erase
- * counter we can pick is bounded by the the lowest
- * erase counter plus %WL_FREE_MAX_DIFF.
- */
- e = find_wl_entry(&ubi->free, WL_FREE_MAX_DIFF);
- protect = LT_PROTECTION;
- break;
- case UBI_UNKNOWN:
- /*
- * For unknown data we pick a physical eraseblock with
- * medium erase counter. But we by no means can pick a
- * physical eraseblock with erase counter greater or
- * equivalent than the lowest erase counter plus
- * %WL_FREE_MAX_DIFF.
- */
- first = rb_entry(rb_first(&ubi->free),
- struct ubi_wl_entry, rb);
- last = rb_entry(rb_last(&ubi->free),
- struct ubi_wl_entry, rb);
+ case UBI_LONGTERM:
+ /*
+ * For long term data we pick a physical eraseblock with high
+ * erase counter. But the highest erase counter we can pick is
+ * bounded by the the lowest erase counter plus
+ * %WL_FREE_MAX_DIFF.
+ */
+ e = find_wl_entry(&ubi->free, WL_FREE_MAX_DIFF);
+ protect = LT_PROTECTION;
+ break;
+ case UBI_UNKNOWN:
+ /*
+ * For unknown data we pick a physical eraseblock with medium
+ * erase counter. But we by no means can pick a physical
+ * eraseblock with erase counter greater or equivalent than the
+ * lowest erase counter plus %WL_FREE_MAX_DIFF.
+ */
+ first = rb_entry(rb_first(&ubi->free), struct ubi_wl_entry, rb);
+ last = rb_entry(rb_last(&ubi->free), struct ubi_wl_entry, rb);
- if (last->ec - first->ec < WL_FREE_MAX_DIFF)
- e = rb_entry(ubi->free.rb_node,
- struct ubi_wl_entry, rb);
- else {
- medium_ec = (first->ec + WL_FREE_MAX_DIFF)/2;
- e = find_wl_entry(&ubi->free, medium_ec);
- }
- protect = U_PROTECTION;
- break;
- case UBI_SHORTTERM:
- /*
- * For short term data we pick a physical eraseblock
- * with the lowest erase counter as we expect it will
- * be erased soon.
- */
- e = rb_entry(rb_first(&ubi->free),
- struct ubi_wl_entry, rb);
- protect = ST_PROTECTION;
- break;
- default:
- protect = 0;
- e = NULL;
- BUG();
+ if (last->ec - first->ec < WL_FREE_MAX_DIFF)
+ e = rb_entry(ubi->free.rb_node,
+ struct ubi_wl_entry, rb);
+ else {
+ medium_ec = (first->ec + WL_FREE_MAX_DIFF)/2;
+ e = find_wl_entry(&ubi->free, medium_ec);
+ }
+ protect = U_PROTECTION;
+ break;
+ case UBI_SHORTTERM:
+ /*
+ * For short term data we pick a physical eraseblock with the
+ * lowest erase counter as we expect it will be erased soon.
+ */
+ e = rb_entry(rb_first(&ubi->free), struct ubi_wl_entry, rb);
+ protect = ST_PROTECTION;
+ break;
+ default:
+ protect = 0;
+ e = NULL;
+ BUG();
}
/*
@@ -584,7 +579,8 @@ found:
* This function returns zero in case of success and a negative error code in
* case of failure.
*/
-static int sync_erase(struct ubi_device *ubi, struct ubi_wl_entry *e, int torture)
+static int sync_erase(struct ubi_device *ubi, struct ubi_wl_entry *e,
+ int torture)
{
int err;
struct ubi_ec_hdr *ec_hdr;
@@ -1060,8 +1056,8 @@ static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk,
spin_unlock(&ubi->wl_lock);
/*
- * One more erase operation has happened, take care about protected
- * physical eraseblocks.
+ * One more erase operation has happened, take care about
+ * protected physical eraseblocks.
*/
check_protection_over(ubi);