xfs: add inode64->inode32 transition into xfs_set_inode32()
To make inode32 a remountable option, xfs_set_inode32() should be able
to make a transition from inode64 option, disabling inode allocation on
higher AGs.
Signed-off-by: Carlos Maiolino <cmaiolino@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index aeb03f9..168d498 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -603,6 +603,7 @@
xfs_set_inode32(struct xfs_mount *mp)
{
xfs_agnumber_t index = 0;
+ xfs_agnumber_t maxagi = 0;
xfs_sb_t *sbp = &mp->m_sb;
xfs_agnumber_t max_metadata;
xfs_agino_t agino = XFS_OFFBNO_TO_AGINO(mp, sbp->sb_agblocks -1, 0);
@@ -626,18 +627,26 @@
for (index = 0; index < sbp->sb_agcount; index++) {
ino = XFS_AGINO_TO_INO(mp, index, agino);
+
if (ino > XFS_MAXINUMBER_32) {
- index++;
- break;
+ pag = xfs_perag_get(mp, index);
+ pag->pagi_inodeok = 0;
+ pag->pagf_metadata = 0;
+ xfs_perag_put(pag);
+ continue;
}
pag = xfs_perag_get(mp, index);
pag->pagi_inodeok = 1;
+ maxagi++;
if (index < max_metadata)
pag->pagf_metadata = 1;
xfs_perag_put(pag);
}
- return index;
+ mp->m_flags |= (XFS_MOUNT_32BITINODES |
+ XFS_MOUNT_SMALL_INUMS);
+
+ return maxagi;
}
xfs_agnumber_t