diff options
| -rw-r--r-- | drivers/mtd/ubi/build.c | 1 | ||||
| -rw-r--r-- | drivers/mtd/ubi/fastmap-wl.c | 2 | ||||
| -rw-r--r-- | drivers/mtd/ubi/ubi.h | 2 | ||||
| -rw-r--r-- | drivers/mtd/ubi/wl.h | 6 |
4 files changed, 8 insertions, 3 deletions
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index 8ee51e49fced..66d7b6a16aad 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c @@ -951,6 +951,7 @@ int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num, UBI_FM_MIN_POOL_SIZE); ubi->fm_wl_pool.max_size = ubi->fm_pool.max_size / 2; + ubi->fm_pool_rsv_cnt = ubi->fm_pool.max_size; ubi->fm_disabled = (!fm_autoconvert || disable_fm) ? 1 : 0; if (fm_debug) ubi_enable_dbg_chk_fastmap(ubi); diff --git a/drivers/mtd/ubi/fastmap-wl.c b/drivers/mtd/ubi/fastmap-wl.c index 03c1f1016c0a..2a9cc9413c42 100644 --- a/drivers/mtd/ubi/fastmap-wl.c +++ b/drivers/mtd/ubi/fastmap-wl.c @@ -118,7 +118,7 @@ static void wait_free_pebs_for_pool(struct ubi_device *ubi) * 4. beb_rsvd_pebs: This value should be get under lock ubi->wl_lock */ int reserved = WL_RESERVED_PEBS + EBA_RESERVED_PEBS + - ubi->fm_size / ubi->leb_size - 1; + ubi->fm_size / ubi->leb_size - 1 + ubi->fm_pool_rsv_cnt; do { spin_lock(&ubi->wl_lock); diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h index 423f66c91b1d..6e20a0fee72f 100644 --- a/drivers/mtd/ubi/ubi.h +++ b/drivers/mtd/ubi/ubi.h @@ -494,6 +494,7 @@ struct ubi_debug_info { * @fast_attach: non-zero if UBI was attached by fastmap * @fm_anchor: The next anchor PEB to use for fastmap * @fm_do_produce_anchor: If true produce an anchor PEB in wl + * @fm_pool_rsv_cnt: Number of reserved PEBs for filling pool/wl_pool * * @used: RB-tree of used physical eraseblocks * @erroneous: RB-tree of erroneous used physical eraseblocks @@ -604,6 +605,7 @@ struct ubi_device { int fast_attach; struct ubi_wl_entry *fm_anchor; int fm_do_produce_anchor; + int fm_pool_rsv_cnt; /* Wear-leveling sub-system's stuff */ struct rb_root used; diff --git a/drivers/mtd/ubi/wl.h b/drivers/mtd/ubi/wl.h index 5ebe374a08ae..7b6715ef6d4a 100644 --- a/drivers/mtd/ubi/wl.h +++ b/drivers/mtd/ubi/wl.h @@ -10,8 +10,10 @@ 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) { - /* Reserve enough LEBs to store two fastmaps. */ - *count += (ubi->fm_size / ubi->leb_size) * 2; + if (ubi->fm_disabled) + ubi->fm_pool_rsv_cnt = 0; + /* Reserve enough LEBs to store two fastmaps and to fill pools. */ + *count += (ubi->fm_size / ubi->leb_size) * 2 + ubi->fm_pool_rsv_cnt; INIT_WORK(&ubi->fm_work, update_fastmap_work_fn); } static struct ubi_wl_entry *may_reserve_for_fm(struct ubi_device *ubi, |