diff options
Diffstat (limited to 'fs/xfs/xfs_buf_item_recover.c')
-rw-r--r-- | fs/xfs/xfs_buf_item_recover.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/fs/xfs/xfs_buf_item_recover.c b/fs/xfs/xfs_buf_item_recover.c index a839ff5dcaa9..5180cbf5a90b 100644 --- a/fs/xfs/xfs_buf_item_recover.c +++ b/fs/xfs/xfs_buf_item_recover.c @@ -708,6 +708,11 @@ xlog_recover_do_primary_sb_buffer( xlog_recover_do_reg_buffer(mp, item, bp, buf_f, current_lsn); + if (orig_agcount == 0) { + xfs_alert(mp, "Trying to grow file system without AGs"); + return -EFSCORRUPTED; + } + /* * Update the in-core super block from the freshly recovered on-disk one. */ @@ -719,14 +724,22 @@ xlog_recover_do_primary_sb_buffer( } /* + * Growfs can also grow the last existing AG. In this case we also need + * to update the length in the in-core perag structure and values + * depending on it. + */ + error = xfs_update_last_ag_size(mp, orig_agcount); + if (error) + return error; + + /* * Initialize the new perags, and also update various block and inode * allocator setting based off the number of AGs or total blocks. * Because of the latter this also needs to happen if the agcount did * not change. */ - error = xfs_initialize_perag(mp, orig_agcount, - mp->m_sb.sb_agcount, mp->m_sb.sb_dblocks, - &mp->m_maxagi); + error = xfs_initialize_perag(mp, orig_agcount, mp->m_sb.sb_agcount, + mp->m_sb.sb_dblocks, &mp->m_maxagi); if (error) { xfs_warn(mp, "Failed recovery per-ag init: %d", error); return error; |