Some more functions that can be moved and made static Signed-off-by: Valdis Kletnieks <Valdis.Kletnieks@xxxxxx> --- drivers/staging/exfat/exfat.h | 3 - drivers/staging/exfat/exfat_core.c | 182 ++++++++++++++--------------- 2 files changed, 91 insertions(+), 94 deletions(-) diff --git a/drivers/staging/exfat/exfat.h b/drivers/staging/exfat/exfat.h index 48267dd11e9d..c41fc3ec9f29 100644 --- a/drivers/staging/exfat/exfat.h +++ b/drivers/staging/exfat/exfat.h @@ -764,9 +764,6 @@ void exfat_chain_cont_cluster(struct super_block *sb, u32 chain, s32 len); /* allocation bitmap management functions */ s32 load_alloc_bitmap(struct super_block *sb); void free_alloc_bitmap(struct super_block *sb); -s32 set_alloc_bitmap(struct super_block *sb, u32 clu); -s32 clr_alloc_bitmap(struct super_block *sb, u32 clu); -u32 test_alloc_bitmap(struct super_block *sb, u32 clu); void sync_alloc_bitmap(struct super_block *sb); /* upcase table management functions */ diff --git a/drivers/staging/exfat/exfat_core.c b/drivers/staging/exfat/exfat_core.c index 24700b251acb..8d38f70c9726 100644 --- a/drivers/staging/exfat/exfat_core.c +++ b/drivers/staging/exfat/exfat_core.c @@ -156,6 +156,97 @@ static s32 clear_cluster(struct super_block *sb, u32 clu) return ret; } +static s32 set_alloc_bitmap(struct super_block *sb, u32 clu) +{ + int i, b; + sector_t sector; + struct fs_info_t *p_fs = &(EXFAT_SB(sb)->fs_info); + struct bd_info_t *p_bd = &(EXFAT_SB(sb)->bd_info); + + i = clu >> (p_bd->sector_size_bits + 3); + b = clu & ((p_bd->sector_size << 3) - 1); + + sector = START_SECTOR(p_fs->map_clu) + i; + + exfat_bitmap_set((u8 *)p_fs->vol_amap[i]->b_data, b); + + return sector_write(sb, sector, p_fs->vol_amap[i], 0); +} + +static s32 clr_alloc_bitmap(struct super_block *sb, u32 clu) +{ + int i, b; + sector_t sector; +#ifdef CONFIG_EXFAT_DISCARD + struct exfat_sb_info *sbi = EXFAT_SB(sb); + struct exfat_mount_options *opts = &sbi->options; + int ret; +#endif /* CONFIG_EXFAT_DISCARD */ + struct fs_info_t *p_fs = &(EXFAT_SB(sb)->fs_info); + struct bd_info_t *p_bd = &(EXFAT_SB(sb)->bd_info); + + i = clu >> (p_bd->sector_size_bits + 3); + b = clu & ((p_bd->sector_size << 3) - 1); + + sector = START_SECTOR(p_fs->map_clu) + i; + + exfat_bitmap_clear((u8 *)p_fs->vol_amap[i]->b_data, b); + + return sector_write(sb, sector, p_fs->vol_amap[i], 0); + +#ifdef CONFIG_EXFAT_DISCARD + if (opts->discard) { + ret = sb_issue_discard(sb, START_SECTOR(clu), + (1 << p_fs->sectors_per_clu_bits), + GFP_NOFS, 0); + if (ret == -EOPNOTSUPP) { + pr_warn("discard not supported by device, disabling"); + opts->discard = 0; + } + } +#endif /* CONFIG_EXFAT_DISCARD */ +} + +static u32 test_alloc_bitmap(struct super_block *sb, u32 clu) +{ + int i, map_i, map_b; + u32 clu_base, clu_free; + u8 k, clu_mask; + struct fs_info_t *p_fs = &(EXFAT_SB(sb)->fs_info); + struct bd_info_t *p_bd = &(EXFAT_SB(sb)->bd_info); + + clu_base = (clu & ~(0x7)) + 2; + clu_mask = (1 << (clu - clu_base + 2)) - 1; + + map_i = clu >> (p_bd->sector_size_bits + 3); + map_b = (clu >> 3) & p_bd->sector_size_mask; + + for (i = 2; i < p_fs->num_clusters; i += 8) { + k = *(((u8 *)p_fs->vol_amap[map_i]->b_data) + map_b); + if (clu_mask > 0) { + k |= clu_mask; + clu_mask = 0; + } + if (k < 0xFF) { + clu_free = clu_base + free_bit[k]; + if (clu_free < p_fs->num_clusters) + return clu_free; + } + clu_base += 8; + + if (((++map_b) >= p_bd->sector_size) || + (clu_base >= p_fs->num_clusters)) { + if ((++map_i) >= p_fs->map_sectors) { + clu_base = 2; + map_i = 0; + } + map_b = 0; + } + } + + return CLUSTER_32(~0); +} + static s32 exfat_alloc_cluster(struct super_block *sb, s32 num_alloc, struct chain_t *p_chain) { @@ -468,97 +559,6 @@ void free_alloc_bitmap(struct super_block *sb) p_fs->vol_amap = NULL; } -s32 set_alloc_bitmap(struct super_block *sb, u32 clu) -{ - int i, b; - sector_t sector; - struct fs_info_t *p_fs = &(EXFAT_SB(sb)->fs_info); - struct bd_info_t *p_bd = &(EXFAT_SB(sb)->bd_info); - - i = clu >> (p_bd->sector_size_bits + 3); - b = clu & ((p_bd->sector_size << 3) - 1); - - sector = START_SECTOR(p_fs->map_clu) + i; - - exfat_bitmap_set((u8 *)p_fs->vol_amap[i]->b_data, b); - - return sector_write(sb, sector, p_fs->vol_amap[i], 0); -} - -s32 clr_alloc_bitmap(struct super_block *sb, u32 clu) -{ - int i, b; - sector_t sector; -#ifdef CONFIG_EXFAT_DISCARD - struct exfat_sb_info *sbi = EXFAT_SB(sb); - struct exfat_mount_options *opts = &sbi->options; - int ret; -#endif /* CONFIG_EXFAT_DISCARD */ - struct fs_info_t *p_fs = &(EXFAT_SB(sb)->fs_info); - struct bd_info_t *p_bd = &(EXFAT_SB(sb)->bd_info); - - i = clu >> (p_bd->sector_size_bits + 3); - b = clu & ((p_bd->sector_size << 3) - 1); - - sector = START_SECTOR(p_fs->map_clu) + i; - - exfat_bitmap_clear((u8 *)p_fs->vol_amap[i]->b_data, b); - - return sector_write(sb, sector, p_fs->vol_amap[i], 0); - -#ifdef CONFIG_EXFAT_DISCARD - if (opts->discard) { - ret = sb_issue_discard(sb, START_SECTOR(clu), - (1 << p_fs->sectors_per_clu_bits), - GFP_NOFS, 0); - if (ret == -EOPNOTSUPP) { - pr_warn("discard not supported by device, disabling"); - opts->discard = 0; - } - } -#endif /* CONFIG_EXFAT_DISCARD */ -} - -u32 test_alloc_bitmap(struct super_block *sb, u32 clu) -{ - int i, map_i, map_b; - u32 clu_base, clu_free; - u8 k, clu_mask; - struct fs_info_t *p_fs = &(EXFAT_SB(sb)->fs_info); - struct bd_info_t *p_bd = &(EXFAT_SB(sb)->bd_info); - - clu_base = (clu & ~(0x7)) + 2; - clu_mask = (1 << (clu - clu_base + 2)) - 1; - - map_i = clu >> (p_bd->sector_size_bits + 3); - map_b = (clu >> 3) & p_bd->sector_size_mask; - - for (i = 2; i < p_fs->num_clusters; i += 8) { - k = *(((u8 *)p_fs->vol_amap[map_i]->b_data) + map_b); - if (clu_mask > 0) { - k |= clu_mask; - clu_mask = 0; - } - if (k < 0xFF) { - clu_free = clu_base + free_bit[k]; - if (clu_free < p_fs->num_clusters) - return clu_free; - } - clu_base += 8; - - if (((++map_b) >= p_bd->sector_size) || - (clu_base >= p_fs->num_clusters)) { - if ((++map_i) >= p_fs->map_sectors) { - clu_base = 2; - map_i = 0; - } - map_b = 0; - } - } - - return CLUSTER_32(~0); -} - void sync_alloc_bitmap(struct super_block *sb) { int i; -- 2.24.0