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| author | Carlos Maiolino <cmaiolino@redhat.com> | 2012-09-20 10:32:40 -0300 |
|---|---|---|
| committer | Ben Myers <bpm@sgi.com> | 2012-09-26 15:59:50 -0500 |
| commit | 4056c1d08d2a7c50ae7414db7c1783ba45b4835d (patch) | |
| tree | 35f898a661ba5bb100b14b84e56f434bc51bf6e3 /fs/xfs | |
| parent | 4c0837224c677db35cd85b04a77504c496cadb66 (diff) | |
| download | linux-4056c1d08d2a7c50ae7414db7c1783ba45b4835d.tar.gz linux-4056c1d08d2a7c50ae7414db7c1783ba45b4835d.tar.bz2 linux-4056c1d08d2a7c50ae7414db7c1783ba45b4835d.zip | |
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>
Diffstat (limited to 'fs/xfs')
| -rw-r--r-- | fs/xfs/xfs_super.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index aeb03f9a8967..168d4984ce89 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -603,6 +603,7 @@ xfs_agnumber_t 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 @@ xfs_set_inode32(struct xfs_mount *mp) 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 |