return __xfs_agino_range(mp, xfs_ag_block_count(mp, agno), first, last);
}
+int
+xfs_update_last_ag_size(
+ struct xfs_mount *mp,
+ xfs_agnumber_t prev_agcount)
+{
+ struct xfs_perag *pag = xfs_perag_grab(mp, prev_agcount - 1);
+
+ if (!pag)
+ return -EFSCORRUPTED;
+ pag->block_count = __xfs_ag_block_count(mp, prev_agcount - 1,
+ mp->m_sb.sb_agcount, mp->m_sb.sb_dblocks);
+ __xfs_agino_range(mp, pag->block_count, &pag->agino_min,
+ &pag->agino_max);
+ xfs_perag_rele(pag);
+ return 0;
+}
+
int
xfs_initialize_perag(
struct xfs_mount *mp,
void xfs_free_perag_range(struct xfs_mount *mp, xfs_agnumber_t first_agno,
xfs_agnumber_t end_agno);
int xfs_initialize_perag_data(struct xfs_mount *mp, xfs_agnumber_t agno);
+int xfs_update_last_ag_size(struct xfs_mount *mp, xfs_agnumber_t prev_agcount);
/* Passive AG references */
struct xfs_perag *xfs_perag_get(struct xfs_mount *mp, xfs_agnumber_t agno);
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.
*/
return -EFSCORRUPTED;
}
+ /*
+ * 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;