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| author | Zhihao Cheng <chengzhihao1@huawei.com> | 2022-05-10 15:31:25 +0300 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2022-05-27 17:49:07 +0300 |
| commit | 14072ee33d5a2a07d735b667205f99d0a95de9f2 (patch) | |
| tree | 029651d653978cf6f28c767f4f43a2b4a29b25f6 /drivers/mtd/ubi/wl.h | |
| parent | d09e9a2bddba6c48e0fddb16c4383172ac593251 (diff) | |
| download | linux-14072ee33d5a2a07d735b667205f99d0a95de9f2.tar.xz | |
ubi: fastmap: Check wl_pool for free peb before wear leveling
UBI fetches free peb from wl_pool during wear leveling, so UBI should
check wl_pool's empty status before wear leveling. Otherwise, UBI will
miss wear leveling chances when free pebs are run out.
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'drivers/mtd/ubi/wl.h')
| -rw-r--r-- | drivers/mtd/ubi/wl.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mtd/ubi/wl.h b/drivers/mtd/ubi/wl.h index c93a53293786..5ebe374a08ae 100644 --- a/drivers/mtd/ubi/wl.h +++ b/drivers/mtd/ubi/wl.h @@ -5,6 +5,8 @@ static void update_fastmap_work_fn(struct work_struct *wrk); static struct ubi_wl_entry *find_anchor_wl_entry(struct rb_root *root); static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi); +static struct ubi_wl_entry *next_peb_for_wl(struct ubi_device *ubi); +static bool need_wear_leveling(struct ubi_device *ubi); static void ubi_fastmap_close(struct ubi_device *ubi); static inline void ubi_fastmap_init(struct ubi_device *ubi, int *count) { |