diff options
Diffstat (limited to 'fs/xfs/xfs_ialloc.c')
| -rw-r--r-- | fs/xfs/xfs_ialloc.c | 50 |
1 files changed, 41 insertions, 9 deletions
diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c index 6d0a4954aa8c..3039f829c96a 100644 --- a/fs/xfs/xfs_ialloc.c +++ b/fs/xfs/xfs_ialloc.c @@ -167,6 +167,7 @@ xfs_ialloc_inode_init( int version; int i, j; xfs_daddr_t d; + xfs_ino_t ino = 0; /* * Loop over the new block(s), filling in the inodes. @@ -185,13 +186,29 @@ xfs_ialloc_inode_init( } /* - * Figure out what version number to use in the inodes we create. - * If the superblock version has caught up to the one that supports - * the new inode format, then use the new inode version. Otherwise - * use the old version so that old kernels will continue to be - * able to use the file system. + * Figure out what version number to use in the inodes we create. If + * the superblock version has caught up to the one that supports the new + * inode format, then use the new inode version. Otherwise use the old + * version so that old kernels will continue to be able to use the file + * system. + * + * For v3 inodes, we also need to write the inode number into the inode, + * so calculate the first inode number of the chunk here as + * XFS_OFFBNO_TO_AGINO() only works within a filesystem block, not + * across multiple filesystem blocks (such as a cluster) and so cannot + * be used in the cluster buffer loop below. + * + * Further, because we are writing the inode directly into the buffer + * and calculating a CRC on the entire inode, we have ot log the entire + * inode so that the entire range the CRC covers is present in the log. + * That means for v3 inode we log the entire buffer rather than just the + * inode cores. */ - if (xfs_sb_version_hasnlink(&mp->m_sb)) + if (xfs_sb_version_hascrc(&mp->m_sb)) { + version = 3; + ino = XFS_AGINO_TO_INO(mp, agno, + XFS_OFFBNO_TO_AGINO(mp, agbno, 0)); + } else if (xfs_sb_version_hasnlink(&mp->m_sb)) version = 2; else version = 1; @@ -214,17 +231,32 @@ xfs_ialloc_inode_init( * individual transactions causing a lot of log traffic. */ fbuf->b_ops = &xfs_inode_buf_ops; - xfs_buf_zero(fbuf, 0, ninodes << mp->m_sb.sb_inodelog); + xfs_buf_zero(fbuf, 0, BBTOB(fbuf->b_length)); for (i = 0; i < ninodes; i++) { int ioffset = i << mp->m_sb.sb_inodelog; - uint isize = sizeof(struct xfs_dinode); + uint isize = xfs_dinode_size(version); free = xfs_make_iptr(mp, fbuf, i); free->di_magic = cpu_to_be16(XFS_DINODE_MAGIC); free->di_version = version; free->di_gen = cpu_to_be32(gen); free->di_next_unlinked = cpu_to_be32(NULLAGINO); - xfs_trans_log_buf(tp, fbuf, ioffset, ioffset + isize - 1); + + if (version == 3) { + free->di_ino = cpu_to_be64(ino); + ino++; + uuid_copy(&free->di_uuid, &mp->m_sb.sb_uuid); + xfs_dinode_calc_crc(mp, free); + } else { + /* just log the inode core */ + xfs_trans_log_buf(tp, fbuf, ioffset, + ioffset + isize - 1); + } + } + if (version == 3) { + /* need to log the entire buffer */ + xfs_trans_log_buf(tp, fbuf, 0, + BBTOB(fbuf->b_length) - 1); } xfs_trans_inode_alloc_buf(tp, fbuf); } |