diff options
| -rw-r--r-- | fs/ext4/resize.c | 39 |
1 files changed, 20 insertions, 19 deletions
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index 178fb2f..5b423f8 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -161,8 +161,7 @@ static struct buffer_head *bclean(handle_t *handle, struct super_block *sb, * If that fails, restart the transaction & regain write access for the * buffer head which is used for block_bitmap modifications. */ -static int extend_or_restart_transaction(handle_t *handle, int thresh, - struct buffer_head *bh) +static int extend_or_restart_transaction(handle_t *handle, int thresh) { int err; @@ -173,9 +172,8 @@ static int extend_or_restart_transaction(handle_t *handle, int thresh, if (err < 0) return err; if (err) { - if ((err = ext4_journal_restart(handle, EXT4_MAX_TRANS_DATA))) - return err; - if ((err = ext4_journal_get_write_access(handle, bh))) + err = ext4_journal_restart(handle, EXT4_MAX_TRANS_DATA); + if (err) return err; } @@ -212,29 +210,24 @@ static int setup_new_group_blocks(struct super_block *sb, BUG_ON(input->group != sbi->s_groups_count); - if (IS_ERR(bh = bclean(handle, sb, input->block_bitmap))) { - err = PTR_ERR(bh); - goto exit_journal; - } - /* Copy all of the GDT blocks into the backup in this group */ for (i = 0, bit = 1, block = start + 1; i < gdblocks; i++, block++, bit++) { struct buffer_head *gdb; ext4_debug("update backup group %#04llx (+%d)\n", block, bit); - - if ((err = extend_or_restart_transaction(handle, 1, bh))) - goto exit_bh; + err = extend_or_restart_transaction(handle, 1); + if (err) + goto exit_journal; gdb = sb_getblk(sb, block); if (!gdb) { err = -EIO; - goto exit_bh; + goto exit_journal; } if ((err = ext4_journal_get_write_access(handle, gdb))) { brelse(gdb); - goto exit_bh; + goto exit_journal; } lock_buffer(gdb); memcpy(gdb->b_data, sbi->s_group_desc[i]->b_data, gdb->b_size); @@ -243,7 +236,7 @@ static int setup_new_group_blocks(struct super_block *sb, err = ext4_handle_dirty_metadata(handle, NULL, gdb); if (unlikely(err)) { brelse(gdb); - goto exit_bh; + goto exit_journal; } brelse(gdb); } @@ -254,7 +247,17 @@ static int setup_new_group_blocks(struct super_block *sb, err = sb_issue_zeroout(sb, gdblocks + start + 1, reserved_gdb, GFP_NOFS); if (err) - goto exit_bh; + goto exit_journal; + + err = extend_or_restart_transaction(handle, 2); + if (err) + goto exit_journal; + + bh = bclean(handle, sb, input->block_bitmap); + if (IS_ERR(bh)) { + err = PTR_ERR(bh); + goto exit_journal; + } if (ext4_bg_has_super(sb, input->group)) { ext4_debug("mark backup group tables %#04llx (+0)\n", start); @@ -278,8 +281,6 @@ static int setup_new_group_blocks(struct super_block *sb, ext4_set_bits(bh->b_data, input->inode_table - start, sbi->s_itb_per_group); - if ((err = extend_or_restart_transaction(handle, 2, bh))) - goto exit_bh; ext4_mark_bitmap_end(input->blocks_count, sb->s_blocksize * 8, bh->b_data); |
