Dave,
On Tue, Mar 12, 2013 at 11:30:46PM +1100, Dave Chinner wrote:
> From: Dave Chinner <dchinner@xxxxxxxxxx>
>
> This addition follows the same pattern as the dir2 block CRCs.
>
> Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Just a few nits.
> @@ -908,7 +908,7 @@ xfs_dir2_block_removename(
> xfs_dir2_data_freescan(mp, hdr, &needlog);
> if (needlog)
> xfs_dir2_data_log_header(tp, bp);
> - xfs_dir2_data_check(dp, bp);
> + xfs_dir3_data_check(dp, bp);
In this debug code, maybe it is better check the blocks after making the
changes to them but before logging them? Not sure.
> @@ -212,7 +221,7 @@ xfs_dir2_data_verify(
> * format buffer or a data format buffer on readahead.
> */
> static void
> -xfs_dir2_data_reada_verify(
> +xfs_dir3_data_reada_verify(
> struct xfs_buf *bp)
> {
> struct xfs_mount *mp = bp->b_target->bt_mount;
> @@ -225,7 +234,8 @@ xfs_dir2_data_reada_verify(
> bp->b_ops->verify_read(bp);
> return;
> case cpu_to_be32(XFS_DIR2_DATA_MAGIC):
> - xfs_dir2_data_verify(bp);
> + case cpu_to_be32(XFS_DIR3_DATA_MAGIC):
> + xfs_dir3_data_verify(bp);
I think it might be a good idea to add a print in the situation where we have
an error in readahead. It needn't be a forced shutdown.
> diff --git a/fs/xfs/xfs_dir2_format.h b/fs/xfs/xfs_dir2_format.h
> index bec058f..dfc8ccf 100644
> --- a/fs/xfs/xfs_dir2_format.h
> +++ b/fs/xfs/xfs_dir2_format.h
> @@ -283,7 +283,8 @@ struct xfs_dir3_data_hdr {
> static inline struct xfs_dir2_data_free *
> xfs_dir3_data_bestfree_p(struct xfs_dir2_data_hdr *hdr)
Get rid of the tab.
> @@ -204,8 +204,12 @@ xfs_dir2_block_to_leaf(
> /*
> * Fix up the block header, make it a data block.
> */
> - dbp->b_ops = &xfs_dir2_data_buf_ops;
> - hdr->magic = cpu_to_be32(XFS_DIR2_DATA_MAGIC);
> + dbp->b_ops = &xfs_dir3_data_buf_ops;
> + if (hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC))
> + hdr->magic = cpu_to_be32(XFS_DIR2_DATA_MAGIC);
> + else
> + hdr->magic = cpu_to_be32(XFS_DIR3_DATA_MAGIC);
> +
else {
ASSERT(hdr->magic == XFS_DIR3_BLOCK_MAGIC));
hdr->magic = cpu_to_be32(XFS_DIR3_DATA_MAGIC);
}
Might be nice...
Else, looks good. I'll switch over to reviewing your new rev.
Regards,
Ben
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