Use sb_issue_zeroout to zero out inode table and descriptor table blocks instead of old approach which involves journaling. Signed-off-by: Lukas Czerner <lczerner@xxxxxxxxxx> --- fs/ext4/resize.c | 47 +++++++++++++++-------------------------------- 1 files changed, 15 insertions(+), 32 deletions(-) diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index ca5c8aa..49c8aff 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -226,23 +226,16 @@ 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); + 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, BLKDEV_IFL_WAIT); + if (err) + goto exit_bh; - if ((err = extend_or_restart_transaction(handle, 1, bh))) - goto exit_bh; + if ((err = extend_or_restart_transaction(handle, 1, bh))) + 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); @@ -251,23 +244,13 @@ 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, BLKDEV_IFL_WAIT); + if (err) + goto exit_bh; if ((err = extend_or_restart_transaction(handle, 2, bh))) goto exit_bh; -- 1.7.2.3 -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html