提交 8a7411a2 编写于 作者: T Theodore Ts'o

ext4: fix on-line resizing regression

https://bugzilla.kernel.org/show_bug.cgi?id=25352

This regression was caused by commit a31437b8: "ext4: use
sb_issue_zeroout in setup_new_group_blocks", by accidentally dropping
the code which reserved the block group descriptor and inode table
blocks.
Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu>
上级 b0c3844d
...@@ -232,6 +232,8 @@ static int setup_new_group_blocks(struct super_block *sb, ...@@ -232,6 +232,8 @@ static int setup_new_group_blocks(struct super_block *sb,
GFP_NOFS); GFP_NOFS);
if (err) if (err)
goto exit_bh; goto exit_bh;
for (i = 0, bit = gdblocks + 1; i < reserved_gdb; i++, bit++)
ext4_set_bit(bit, bh->b_data);
ext4_debug("mark block bitmap %#04llx (+%llu)\n", input->block_bitmap, ext4_debug("mark block bitmap %#04llx (+%llu)\n", input->block_bitmap,
input->block_bitmap - start); input->block_bitmap - start);
...@@ -247,6 +249,9 @@ static int setup_new_group_blocks(struct super_block *sb, ...@@ -247,6 +249,9 @@ static int setup_new_group_blocks(struct super_block *sb,
err = sb_issue_zeroout(sb, block, sbi->s_itb_per_group, GFP_NOFS); err = sb_issue_zeroout(sb, block, sbi->s_itb_per_group, GFP_NOFS);
if (err) if (err)
goto exit_bh; goto exit_bh;
for (i = 0, bit = input->inode_table - start;
i < sbi->s_itb_per_group; i++, bit++)
ext4_set_bit(bit, bh->b_data);
if ((err = extend_or_restart_transaction(handle, 2, bh))) if ((err = extend_or_restart_transaction(handle, 2, bh)))
goto exit_bh; goto exit_bh;
......
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