diff options
Diffstat (limited to 'fs/ext4/resize.c')
| -rw-r--r-- | fs/ext4/resize.c | 60 |
1 files changed, 18 insertions, 42 deletions
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index 6df797eb9aeb..dc963929de65 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -226,23 +226,13 @@ static int setup_new_group_blocks(struct super_block *sb, } /* Zero out all of the reserved backup group descriptor table blocks */ - for (i = 0, bit = gdblocks + 1, block = start + bit; - i < reserved_gdb; i++, block++, bit++) { - struct buffer_head *gdb; - - ext4_debug("clear reserved block %#04llx (+%d)\n", block, bit); - - if ((err = extend_or_restart_transaction(handle, 1, bh))) - goto exit_bh; + ext4_debug("clear inode table blocks %#04llx -> %#04llx\n", + block, sbi->s_itb_per_group); + err = sb_issue_zeroout(sb, gdblocks + start + 1, reserved_gdb, + GFP_NOFS); + if (err) + goto exit_bh; - if (IS_ERR(gdb = bclean(handle, sb, block))) { - err = PTR_ERR(gdb); - goto exit_bh; - } - ext4_handle_dirty_metadata(handle, NULL, gdb); - ext4_set_bit(bit, bh->b_data); - brelse(gdb); - } ext4_debug("mark block bitmap %#04llx (+%llu)\n", input->block_bitmap, input->block_bitmap - start); ext4_set_bit(input->block_bitmap - start, bh->b_data); @@ -251,28 +241,18 @@ static int setup_new_group_blocks(struct super_block *sb, ext4_set_bit(input->inode_bitmap - start, bh->b_data); /* Zero out all of the inode table blocks */ - for (i = 0, block = input->inode_table, bit = block - start; - i < sbi->s_itb_per_group; i++, bit++, block++) { - struct buffer_head *it; - - ext4_debug("clear inode block %#04llx (+%d)\n", block, bit); - - if ((err = extend_or_restart_transaction(handle, 1, bh))) - goto exit_bh; - - if (IS_ERR(it = bclean(handle, sb, block))) { - err = PTR_ERR(it); - goto exit_bh; - } - ext4_handle_dirty_metadata(handle, NULL, it); - brelse(it); - ext4_set_bit(bit, bh->b_data); - } + block = input->inode_table; + ext4_debug("clear inode table blocks %#04llx -> %#04llx\n", + block, sbi->s_itb_per_group); + err = sb_issue_zeroout(sb, block, sbi->s_itb_per_group, GFP_NOFS); + if (err) + goto exit_bh; if ((err = extend_or_restart_transaction(handle, 2, bh))) goto exit_bh; - mark_bitmap_end(input->blocks_count, sb->s_blocksize * 8, bh->b_data); + ext4_mark_bitmap_end(input->blocks_count, sb->s_blocksize * 8, + bh->b_data); ext4_handle_dirty_metadata(handle, NULL, bh); brelse(bh); /* Mark unused entries in inode bitmap used */ @@ -283,8 +263,8 @@ static int setup_new_group_blocks(struct super_block *sb, goto exit_journal; } - mark_bitmap_end(EXT4_INODES_PER_GROUP(sb), sb->s_blocksize * 8, - bh->b_data); + ext4_mark_bitmap_end(EXT4_INODES_PER_GROUP(sb), sb->s_blocksize * 8, + bh->b_data); ext4_handle_dirty_metadata(handle, NULL, bh); exit_bh: brelse(bh); @@ -921,8 +901,7 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input) &sbi->s_flex_groups[flex_group].free_inodes); } - ext4_handle_dirty_metadata(handle, NULL, sbi->s_sbh); - sb->s_dirt = 1; + ext4_handle_dirty_super(handle, sb); exit_journal: mutex_unlock(&sbi->s_resize_lock); @@ -953,7 +932,6 @@ int ext4_group_extend(struct super_block *sb, struct ext4_super_block *es, ext4_fsblk_t n_blocks_count) { ext4_fsblk_t o_blocks_count; - ext4_group_t o_groups_count; ext4_grpblk_t last; ext4_grpblk_t add; struct buffer_head *bh; @@ -965,7 +943,6 @@ int ext4_group_extend(struct super_block *sb, struct ext4_super_block *es, * yet: we're going to revalidate es->s_blocks_count after * taking the s_resize_lock below. */ o_blocks_count = ext4_blocks_count(es); - o_groups_count = EXT4_SB(sb)->s_groups_count; if (test_opt(sb, DEBUG)) printk(KERN_DEBUG "EXT4-fs: extending last group from %llu uto %llu blocks\n", @@ -1045,13 +1022,12 @@ int ext4_group_extend(struct super_block *sb, struct ext4_super_block *es, goto exit_put; } ext4_blocks_count_set(es, o_blocks_count + add); - ext4_handle_dirty_metadata(handle, NULL, EXT4_SB(sb)->s_sbh); - sb->s_dirt = 1; mutex_unlock(&EXT4_SB(sb)->s_resize_lock); ext4_debug("freeing blocks %llu through %llu\n", o_blocks_count, o_blocks_count + add); /* We add the blocks to the bitmap and set the group need init bit */ ext4_add_groupblocks(handle, sb, o_blocks_count, add); + ext4_handle_dirty_super(handle, sb); ext4_debug("freed blocks %llu through %llu\n", o_blocks_count, o_blocks_count + add); if ((err = ext4_journal_stop(handle))) |