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Commit 68e3226b authored Oct 08, 2014 by Richard Weinberger

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>

parent 2d93fb36

drivers/mtd/ubi/build.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -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)		if (ubi->fm_pool.max_size < UBI_FM_MIN_POOL_SIZE)
	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;		ubi->fm_disabled = !fm_autoconvert;

	if (!ubi->fm_disabled && (int)mtd_div_by_eb(ubi->mtd->size, ubi->mtd)		if (!ubi->fm_disabled && (int)mtd_div_by_eb(ubi->mtd->size, ubi->mtd)

drivers/mtd/ubi/ubi-media.h

+0 −2

Original line number	Original line	Diff line number	Diff line
	@@ -403,8 +403,6 @@ struct ubi_vtbl_record {
	#define UBI_FM_MIN_POOL_SIZE 8		#define UBI_FM_MIN_POOL_SIZE 8
	#define UBI_FM_MAX_POOL_SIZE 256		#define UBI_FM_MAX_POOL_SIZE 256

	#define UBI_FM_WL_POOL_SIZE 25

	/**		/**
	* struct ubi_fm_sb - UBI fastmap super block		* struct ubi_fm_sb - UBI fastmap super block
	* @magic: fastmap super block magic number (%UBI_FM_SB_MAGIC)		* @magic: fastmap super block magic number (%UBI_FM_SB_MAGIC)