UBI: Fastmap: Make WL pool size 50% of user pool size

Don't use a fixed size for the WL pool.
Make it instead 50% of the user pool.
We don't make it 100% as it is not as heavily used as the user pool.

Signed-off-by: Richard Weinberger <richard@nod.at>

diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index 112a66c6596695cbec9abaca1028442823904853..59af91b41f9a4dd48d129f93f6aa5906444b1965 100644 (file)
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -949,7 +949,7 @@ int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num,
        if (ubi->fm_pool.max_size < UBI_FM_MIN_POOL_SIZE)
                ubi->fm_pool.max_size = UBI_FM_MIN_POOL_SIZE;
 
-       ubi->fm_wl_pool.max_size = UBI_FM_WL_POOL_SIZE;
+       ubi->fm_wl_pool.max_size = ubi->fm_pool.max_size / 2;
        ubi->fm_disabled = !fm_autoconvert;
 
        if (!ubi->fm_disabled && (int)mtd_div_by_eb(ubi->mtd->size, ubi->mtd)

diff --git a/drivers/mtd/ubi/ubi-media.h b/drivers/mtd/ubi/ubi-media.h
index ac2b24d1783d17c83e2a2812ea0c7ccff6ca30d4..d0d072e7ccd2f78fa1ee6df63934308bffe43177 100644 (file)
--- a/drivers/mtd/ubi/ubi-media.h
+++ b/drivers/mtd/ubi/ubi-media.h
@@ -403,8 +403,6 @@ struct ubi_vtbl_record {
 #define UBI_FM_MIN_POOL_SIZE   8
 #define UBI_FM_MAX_POOL_SIZE   256
 
-#define UBI_FM_WL_POOL_SIZE    25
-
 /**
  * struct ubi_fm_sb - UBI fastmap super block
  * @magic: fastmap super block magic number (%UBI_FM_SB_MAGIC)