diff options
| -rw-r--r-- | fs/ext4/balloc.c | 3 | ||||
| -rw-r--r-- | fs/ext4/extents.c | 3 | ||||
| -rw-r--r-- | fs/ext4/mballoc.c | 29 | ||||
| -rw-r--r-- | fs/ext4/mballoc.h | 7 |
4 files changed, 14 insertions, 28 deletions
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c index 720061a..fadbc4d 100644 --- a/fs/ext4/balloc.c +++ b/fs/ext4/balloc.c @@ -130,8 +130,7 @@ unsigned ext4_init_block_bitmap(struct super_block *sb, struct buffer_head *bh, * to make sure we calculate the right free blocks */ group_blocks = ext4_blocks_count(sbi->s_es) - - le32_to_cpu(sbi->s_es->s_first_data_block) - - (EXT4_BLOCKS_PER_GROUP(sb) * (ngroups - 1)); + ext4_group_first_block_no(sb, ngroups - 1); } else { group_blocks = EXT4_BLOCKS_PER_GROUP(sb); } diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 4bb6920..3c0bae1 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -195,8 +195,7 @@ static ext4_fsblk_t ext4_ext_find_goal(struct inode *inode, if (S_ISREG(inode->i_mode)) block_group++; } - bg_start = (block_group * EXT4_BLOCKS_PER_GROUP(inode->i_sb)) + - le32_to_cpu(EXT4_SB(inode->i_sb)->s_es->s_first_data_block); + bg_start = ext4_group_first_block_no(inode->i_sb, block_group); last_block = ext4_blocks_count(EXT4_SB(inode->i_sb)->s_es) - 1; /* diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 72d5ceb..1156869 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -441,10 +441,9 @@ static void mb_free_blocks_double(struct inode *inode, struct ext4_buddy *e4b, for (i = 0; i < count; i++) { if (!mb_test_bit(first + i, e4b->bd_info->bb_bitmap)) { ext4_fsblk_t blocknr; - blocknr = e4b->bd_group * EXT4_BLOCKS_PER_GROUP(sb); + + blocknr = ext4_group_first_block_no(sb, e4b->bd_group); blocknr += first + i; - blocknr += - le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block); ext4_grp_locked_error(sb, e4b->bd_group, __func__, "double-free of inode" " %lu's block %llu(bit %u in group %u)", @@ -1255,10 +1254,9 @@ static void mb_free_blocks(struct inode *inode, struct ext4_buddy *e4b, if (!mb_test_bit(block, EXT4_MB_BITMAP(e4b))) { ext4_fsblk_t blocknr; - blocknr = e4b->bd_group * EXT4_BLOCKS_PER_GROUP(sb); + + blocknr = ext4_group_first_block_no(sb, e4b->bd_group); blocknr += block; - blocknr += - le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block); ext4_grp_locked_error(sb, e4b->bd_group, __func__, "double-free of inode" " %lu's block %llu(bit %u in group %u)", @@ -1631,7 +1629,6 @@ int ext4_mb_find_by_goal(struct ext4_allocation_context *ac, int max; int err; struct ext4_sb_info *sbi = EXT4_SB(ac->ac_sb); - struct ext4_super_block *es = sbi->s_es; struct ext4_free_extent ex; if (!(ac->ac_flags & EXT4_MB_HINT_TRY_GOAL)) @@ -1648,8 +1645,8 @@ int ext4_mb_find_by_goal(struct ext4_allocation_context *ac, if (max >= ac->ac_g_ex.fe_len && ac->ac_g_ex.fe_len == sbi->s_stripe) { ext4_fsblk_t start; - start = (e4b->bd_group * EXT4_BLOCKS_PER_GROUP(ac->ac_sb)) + - ex.fe_start + le32_to_cpu(es->s_first_data_block); + start = ext4_group_first_block_no(ac->ac_sb, e4b->bd_group) + + ex.fe_start; /* use do_div to get remainder (would be 64-bit modulo) */ if (do_div(start, sbi->s_stripe) == 0) { ac->ac_found++; @@ -1803,8 +1800,8 @@ void ext4_mb_scan_aligned(struct ext4_allocation_context *ac, BUG_ON(sbi->s_stripe == 0); /* find first stripe-aligned block in group */ - first_group_block = e4b->bd_group * EXT4_BLOCKS_PER_GROUP(sb) - + le32_to_cpu(sbi->s_es->s_first_data_block); + first_group_block = ext4_group_first_block_no(sb, e4b->bd_group); + a = first_group_block + sbi->s_stripe - 1; do_div(a, sbi->s_stripe); i = (a * sbi->s_stripe) - first_group_block; @@ -2560,12 +2557,9 @@ static void release_blocks_on_commit(journal_t *journal, transaction_t *txn) ext4_unlock_group(sb, entry->group); if (test_opt(sb, DISCARD)) { ext4_fsblk_t discard_block; - struct ext4_super_block *es = EXT4_SB(sb)->s_es; - discard_block = (ext4_fsblk_t)entry->group * - EXT4_BLOCKS_PER_GROUP(sb) - + entry->start_blk - + le32_to_cpu(es->s_first_data_block); + discard_block = entry->start_blk + + ext4_group_first_block_no(sb, entry->group); trace_ext4_discard_blocks(sb, (unsigned long long)discard_block, entry->count); @@ -3525,8 +3519,7 @@ ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh, if (bit >= end) break; next = mb_find_next_bit(bitmap_bh->b_data, end, bit); - start = group * EXT4_BLOCKS_PER_GROUP(sb) + bit + - le32_to_cpu(sbi->s_es->s_first_data_block); + start = ext4_group_first_block_no(sb, group) + bit; mb_debug(1, " free preallocated %u/%u in group %u\n", (unsigned) start, (unsigned) next - bit, (unsigned) group); diff --git a/fs/ext4/mballoc.h b/fs/ext4/mballoc.h index 436521c..9b2deed 100644 --- a/fs/ext4/mballoc.h +++ b/fs/ext4/mballoc.h @@ -225,11 +225,6 @@ struct ext4_buddy { static inline ext4_fsblk_t ext4_grp_offs_to_block(struct super_block *sb, struct ext4_free_extent *fex) { - ext4_fsblk_t block; - - block = (ext4_fsblk_t) fex->fe_group * EXT4_BLOCKS_PER_GROUP(sb) - + fex->fe_start - + le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block); - return block; + return ext4_group_first_block_no(sb, fex->fe_group) + fex->fe_start; } #endif |
