diff options
Diffstat (limited to 'fs/xfs/xfs_rtalloc.c')
| -rw-r--r-- | fs/xfs/xfs_rtalloc.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c index 776d6c401f62..ebeab8e4dab1 100644 --- a/fs/xfs/xfs_rtalloc.c +++ b/fs/xfs/xfs_rtalloc.c @@ -785,6 +785,39 @@ xfs_alloc_rsum_cache( } /* + * If we changed the rt extent size (meaning there was no rt volume previously) + * and the root directory had EXTSZINHERIT and RTINHERIT set, it's possible + * that the extent size hint on the root directory is no longer congruent with + * the new rt extent size. Log the rootdir inode to fix this. + */ +static int +xfs_growfs_rt_fixup_extsize( + struct xfs_mount *mp) +{ + struct xfs_inode *ip = mp->m_rootip; + struct xfs_trans *tp; + int error = 0; + + xfs_ilock(ip, XFS_IOLOCK_EXCL); + if (!(ip->i_diflags & XFS_DIFLAG_RTINHERIT) || + !(ip->i_diflags & XFS_DIFLAG_EXTSZINHERIT)) + goto out_iolock; + + error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_ichange, 0, 0, false, + &tp); + if (error) + goto out_iolock; + + xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); + error = xfs_trans_commit(tp); + xfs_iunlock(ip, XFS_ILOCK_EXCL); + +out_iolock: + xfs_iunlock(ip, XFS_IOLOCK_EXCL); + return error; +} + +/* * Visible (exported) functions. */ @@ -812,6 +845,7 @@ xfs_growfs_rt( xfs_extlen_t rsumblocks; /* current number of rt summary blks */ xfs_sb_t *sbp; /* old superblock */ uint8_t *rsum_cache; /* old summary cache */ + xfs_agblock_t old_rextsize = mp->m_sb.sb_rextsize; sbp = &mp->m_sb; @@ -1046,6 +1080,12 @@ error_cancel: if (error) goto out_free; + if (old_rextsize != in->extsize) { + error = xfs_growfs_rt_fixup_extsize(mp); + if (error) + goto out_free; + } + /* Update secondary superblocks now the physical grow has completed */ error = xfs_update_secondary_sbs(mp); |