Re: [PATCH] misc: fix more stupid compiler warnings

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Can you splits this up a bit to be more self explanatory, e.g.
one patch per warning class or logical change?

>  	if (be32_to_cpu(free->hdr.nvalid) > maxent ||
> -				be32_to_cpu(free->hdr.nvalid) < 0 ||
>  				be32_to_cpu(free->hdr.nused) > maxent ||
> -				be32_to_cpu(free->hdr.nused) < 0 ||
>  				be32_to_cpu(free->hdr.nused) >
>  					be32_to_cpu(free->hdr.nvalid)) {

be32_to_cpu returns uint, so this makese sense.

> -	(void)getcwd(curdir,MAXPATHLEN);
> +	if (!getcwd(curdir, MAXPATHLEN)) {
> +		perror("getcwd");
> +		strcpy(curdir, ".");
> +	}

All this chdir magic will need a lot more explanation.  To me it
seems like most of this is a left over from IRIX days where we
could have device names relative to a volume.  The proper fix
probably is to just remove that whole thing - if we'd ever
need to bring it back we should use openat relative to a dirfd
instead.

> +#define xfs_inode_set_cowblocks_tag(ip)	do { } while (0)
> +#define xfs_inode_set_eofblocks_tag(ip)	do { } while (0)

This part looks fine.

>  #else
>  #define xfs_bmap_check_leaf_extents(cur, ip, whichfork)		do { } while (0)
> -#define	xfs_bmap_validate_ret(bno,len,flags,mval,onmap,nmap)
> +#define	xfs_bmap_validate_ret(bno,len,flags,mval,onmap,nmap)	do { } while (0)
>  #endif /* DEBUG */

This as well.

> diff --git a/repair/phase6.c b/repair/phase6.c
> index b051a44..f360aed 100644
> --- a/repair/phase6.c
> +++ b/repair/phase6.c
> @@ -3092,11 +3092,11 @@ mark_standalone_inodes(xfs_mount_t *mp)
>  	irec = find_inode_rec(mp, XFS_INO_TO_AGNO(mp, mp->m_sb.sb_rsumino),
>  			XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rsumino));
>  
> +	ASSERT(irec != NULL);
> +
>  	offset = XFS_INO_TO_AGINO(mp, mp->m_sb.sb_rsumino) -
>  			irec->ino_startnum;
>  
> -	ASSERT(irec != NULL);
> -

What's the point in even having this assert?   Either we turn this
into something like

	if (!irec)
		abort();

or just let the code dereference it.

> -		imap.br_state = (rm_rec->rm_flags & XFS_RMAP_UNWRITTEN ?
> +		imap.br_state = ((rm_rec->rm_flags & XFS_RMAP_UNWRITTEN) ?
>  				XFS_EXT_UNWRITTEN : XFS_EXT_NORM);

Looks fine.
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