diff options
Diffstat (limited to 'fs/xfs/xfs_dir2_data.c')
| -rw-r--r-- | fs/xfs/xfs_dir2_data.c | 38 |
1 files changed, 26 insertions, 12 deletions
diff --git a/fs/xfs/xfs_dir2_data.c b/fs/xfs/xfs_dir2_data.c index ccfeb4d8376a..00006b3db054 100644 --- a/fs/xfs/xfs_dir2_data.c +++ b/fs/xfs/xfs_dir2_data.c @@ -62,12 +62,26 @@ __xfs_dir3_data_check( char *p; /* current data position */ int stale; /* count of stale leaves */ struct xfs_name name; + const struct xfs_dir_ops *ops; mp = bp->b_target->bt_mount; hdr = bp->b_addr; bf = xfs_dir3_data_bestfree_p(hdr); p = (char *)xfs_dir3_data_entry_p(hdr); + /* + * We can be passed a null dp here from a verifier, so manually + * configure the ops here in that case. + */ + if (dp) + ops = dp->d_ops; + else if (xfs_sb_version_hascrc(&mp->m_sb)) + ops = &xfs_dir3_ops; + else if (xfs_sb_version_hasftype(&mp->m_sb)) + ops = &xfs_dir2_ftype_ops; + else + ops = &xfs_dir2_ops; + switch (hdr->magic) { case cpu_to_be32(XFS_DIR3_BLOCK_MAGIC): case cpu_to_be32(XFS_DIR2_BLOCK_MAGIC): @@ -146,10 +160,10 @@ __xfs_dir3_data_check( XFS_WANT_CORRUPTED_RETURN( !xfs_dir_ino_validate(mp, be64_to_cpu(dep->inumber))); XFS_WANT_CORRUPTED_RETURN( - be16_to_cpu(*xfs_dir3_data_entry_tag_p(mp, dep)) == + be16_to_cpu(*ops->data_entry_tag_p(dep)) == (char *)dep - (char *)hdr); XFS_WANT_CORRUPTED_RETURN( - xfs_dir3_dirent_get_ftype(mp, dep) < XFS_DIR3_FT_MAX); + ops->data_get_ftype(dep) < XFS_DIR3_FT_MAX); count++; lastfree = 0; if (hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC) || @@ -167,7 +181,7 @@ __xfs_dir3_data_check( } XFS_WANT_CORRUPTED_RETURN(i < be32_to_cpu(btp->count)); } - p += xfs_dir3_data_entsize(mp, dep->namelen); + p += ops->data_entsize(dep->namelen); } /* * Need to have seen all the entries and all the bestfree slots. @@ -485,9 +499,9 @@ xfs_dir2_data_freeremove( */ void xfs_dir2_data_freescan( - xfs_mount_t *mp, /* filesystem mount point */ - xfs_dir2_data_hdr_t *hdr, /* data block header */ - int *loghead) /* out: log data header */ + struct xfs_inode *dp, + struct xfs_dir2_data_hdr *hdr, + int *loghead) { xfs_dir2_block_tail_t *btp; /* block tail */ xfs_dir2_data_entry_t *dep; /* active data entry */ @@ -513,10 +527,10 @@ xfs_dir2_data_freescan( p = (char *)xfs_dir3_data_entry_p(hdr); if (hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC) || hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC)) { - btp = xfs_dir2_block_tail_p(mp, hdr); + btp = xfs_dir2_block_tail_p(dp->i_mount, hdr); endp = (char *)xfs_dir2_block_leaf_p(btp); } else - endp = (char *)hdr + mp->m_dirblksize; + endp = (char *)hdr + dp->i_mount->m_dirblksize; /* * Loop over the block's entries. */ @@ -537,8 +551,8 @@ xfs_dir2_data_freescan( else { dep = (xfs_dir2_data_entry_t *)p; ASSERT((char *)dep - (char *)hdr == - be16_to_cpu(*xfs_dir3_data_entry_tag_p(mp, dep))); - p += xfs_dir3_data_entsize(mp, dep->namelen); + be16_to_cpu(*dp->d_ops->data_entry_tag_p(dep))); + p += dp->d_ops->data_entsize(dep->namelen); } } } @@ -625,11 +639,11 @@ xfs_dir3_data_init( void xfs_dir2_data_log_entry( struct xfs_trans *tp, + struct xfs_inode *dp, struct xfs_buf *bp, xfs_dir2_data_entry_t *dep) /* data entry pointer */ { struct xfs_dir2_data_hdr *hdr = bp->b_addr; - struct xfs_mount *mp = tp->t_mountp; ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) || hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC) || @@ -637,7 +651,7 @@ xfs_dir2_data_log_entry( hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC)); xfs_trans_log_buf(tp, bp, (uint)((char *)dep - (char *)hdr), - (uint)((char *)(xfs_dir3_data_entry_tag_p(mp, dep) + 1) - + (uint)((char *)(dp->d_ops->data_entry_tag_p(dep) + 1) - (char *)hdr - 1)); } |