From 428c8e03109e717d90e0d1329dc3d926b9421ad3 Mon Sep 17 00:00:00 2001 From: David Sterba Date: Wed, 26 Oct 2022 23:25:14 +0200 Subject: btrfs: simplify percent calculation helpers, rename div_factor The div_factor* helpers calculate fraction or percentage fraction. The name is a bit confusing, we use it only for percentage calculations and there are two helpers. There's a helper mult_frac that's for general fractions, that tries to be accurate but we multiply and divide by small numbers so we can use the div_u64 helper. Rename the div_factor* helpers and use 1..100 percentage range, also drop the case checking for percentage == 100, it's never hit. The conversions: * div_factor calculates tenths and the numbers need to be adjusted * div_factor_fine is direct replacement Signed-off-by: David Sterba --- fs/btrfs/block-rsv.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/btrfs/block-rsv.h') diff --git a/fs/btrfs/block-rsv.h b/fs/btrfs/block-rsv.h index e2cf0dd43203..4cc41c9aaa82 100644 --- a/fs/btrfs/block-rsv.h +++ b/fs/btrfs/block-rsv.h @@ -63,7 +63,7 @@ void btrfs_free_block_rsv(struct btrfs_fs_info *fs_info, int btrfs_block_rsv_add(struct btrfs_fs_info *fs_info, struct btrfs_block_rsv *block_rsv, u64 num_bytes, enum btrfs_reserve_flush_enum flush); -int btrfs_block_rsv_check(struct btrfs_block_rsv *block_rsv, int min_factor); +int btrfs_block_rsv_check(struct btrfs_block_rsv *block_rsv, int min_percent); int btrfs_block_rsv_refill(struct btrfs_fs_info *fs_info, struct btrfs_block_rsv *block_rsv, u64 min_reserved, enum btrfs_reserve_flush_enum flush); -- cgit v1.2.3-73-gaa49b