Re: [PATCH v2 2/5] xfs_repair: better checking of v5 metadata fields

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On Tue, May 26, 2015 at 10:44:50PM -0700, Darrick J. Wong wrote:
> Check the UUID, owner, and block number fields during repair, looking for
> blocks that fail either the checksum or the data structure verifiers.  For
> directories we can simply rebuild corrupt/broken index data, though for
> anything else we have to toss out the broken object.
> 
> v2: Refactor the directory block header checks into a single function.
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>

FYI, just a couple of quick whitespacy things, which I've fixed on
commit.

> diff --git a/repair/phase6.c b/repair/phase6.c
> index c09b394..7dd868c 100644
> --- a/repair/phase6.c
> +++ b/repair/phase6.c
> @@ -1925,6 +1925,69 @@ _("entry \"%s\" in dir inode %" PRIu64 " inconsistent with .. value (%" PRIu64 "
>  	freetab->ents[db].s = 0;
>  }
>  
> +/* check v5 metadata */
> +static int
> +__check_dir3_header(
> +	xfs_mount_t			*mp,
> +	xfs_buf_t			*bp,

Don't use the typedef versions - struct xfs_mount. No need for quite
so much whitespace, either - this sort of thing is fine if there's
no need for larger alignment steps:

	struct xfs_mount *mp,
	struct xfs_buf	*bp,
	....

> +	/* verify uuid */
> +	if (platform_uuid_compare(uuid,
> +				  &mp->m_sb.sb_uuid) != 0) {

No need to split that line.

> +static int
> +check_da3_header(
> +	xfs_mount_t			*mp,
> +	xfs_buf_t			*bp,
> +	xfs_ino_t			ino)
> +{
> +	struct xfs_da3_blkinfo		*info;
> +
> +	info = bp->b_addr;

	struct xfs_da3_blkinfo	*info = bp->b_addr;

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx

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