Re: [PATCH 1/5] xfs_db: print structure padding fields consistently

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On 11/17/17 1:56 PM, Darrick J. Wong wrote:
> From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
> 
> We are very inconsistent about how we print padding fields in on-disk
> structures -- sometimes we hide it from printall, sometimes we deviate
> from unsigned hex values, etc.  Make this all consistent -- never hide
> padding values, always print them as unsigned hex integers.

I'm not sure I see the point to cluttering up structure printing
with padding, and would prefer to hide them /all/ by default (and
set them all to hex printing when explicitly asked for).

Consistency is good but I'm not sure we need to consistently print
values that are never even used...?

-Eric

> Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
> ---
>  db/attr.c  |   10 +++++-----
>  db/dir2.c  |    4 ++--
>  db/dquot.c |    4 ++--
>  3 files changed, 9 insertions(+), 9 deletions(-)
> 
> 
> diff --git a/db/attr.c b/db/attr.c
> index 75fe239..ba8313c 100644
> --- a/db/attr.c
> +++ b/db/attr.c
> @@ -73,7 +73,7 @@ const field_t	attr_blkinfo_flds[] = {
>  	{ "forw", FLDT_ATTRBLOCK, OI(BOFF(forw)), C1, 0, TYP_ATTR },
>  	{ "back", FLDT_ATTRBLOCK, OI(BOFF(back)), C1, 0, TYP_ATTR },
>  	{ "magic", FLDT_UINT16X, OI(BOFF(magic)), C1, 0, TYP_NONE },
> -	{ "pad", FLDT_UINT16X, OI(BOFF(pad)), C1, FLD_SKIPALL, TYP_NONE },
> +	{ "pad", FLDT_UINT16X, OI(BOFF(pad)), C1, 0, TYP_NONE },
>  	{ NULL }
>  };
>  
> @@ -94,7 +94,7 @@ const field_t	attr_leaf_entry_flds[] = {
>  	{ "local", FLDT_UINT1,
>  	  OI(LEOFF(flags) + bitsz(uint8_t) - XFS_ATTR_LOCAL_BIT - 1), C1, 0,
>  	  TYP_NONE },
> -	{ "pad2", FLDT_UINT8X, OI(LEOFF(pad2)), C1, FLD_SKIPALL, TYP_NONE },
> +	{ "pad2", FLDT_UINT8X, OI(LEOFF(pad2)), C1, 0, TYP_NONE },
>  	{ NULL }
>  };
>  
> @@ -105,7 +105,7 @@ const field_t	attr_leaf_hdr_flds[] = {
>  	{ "usedbytes", FLDT_UINT16D, OI(LHOFF(usedbytes)), C1, 0, TYP_NONE },
>  	{ "firstused", FLDT_UINT16D, OI(LHOFF(firstused)), C1, 0, TYP_NONE },
>  	{ "holes", FLDT_UINT8D, OI(LHOFF(holes)), C1, 0, TYP_NONE },
> -	{ "pad1", FLDT_UINT8X, OI(LHOFF(pad1)), C1, FLD_SKIPALL, TYP_NONE },
> +	{ "pad1", FLDT_UINT8X, OI(LHOFF(pad1)), C1, 0, TYP_NONE },
>  	{ "freemap", FLDT_ATTR_LEAF_MAP, OI(LHOFF(freemap)),
>  	  CI(XFS_ATTR_LEAF_MAPSIZE), FLD_ARRAY, TYP_NONE },
>  	{ NULL }
> @@ -567,7 +567,7 @@ const field_t	attr3_leaf_hdr_flds[] = {
>  	{ "usedbytes", FLDT_UINT16D, OI(LH3OFF(usedbytes)), C1, 0, TYP_NONE },
>  	{ "firstused", FLDT_UINT16D, OI(LH3OFF(firstused)), C1, 0, TYP_NONE },
>  	{ "holes", FLDT_UINT8D, OI(LH3OFF(holes)), C1, 0, TYP_NONE },
> -	{ "pad1", FLDT_UINT8X, OI(LH3OFF(pad1)), C1, FLD_SKIPALL, TYP_NONE },
> +	{ "pad1", FLDT_UINT8X, OI(LH3OFF(pad1)), C1, 0, TYP_NONE },
>  	{ "freemap", FLDT_ATTR_LEAF_MAP, OI(LH3OFF(freemap)),
>  	  CI(XFS_ATTR_LEAF_MAPSIZE), FLD_ARRAY, TYP_NONE },
>  	{ NULL }
> @@ -589,7 +589,7 @@ const field_t	attr3_node_hdr_flds[] = {
>  	{ "info", FLDT_ATTR3_BLKINFO, OI(H3OFF(info)), C1, 0, TYP_NONE },
>  	{ "count", FLDT_UINT16D, OI(H3OFF(__count)), C1, 0, TYP_NONE },
>  	{ "level", FLDT_UINT16D, OI(H3OFF(__level)), C1, 0, TYP_NONE },
> -	{ "pad", FLDT_UINT32D, OI(H3OFF(__pad32)), C1, 0, TYP_NONE },
> +	{ "pad", FLDT_UINT32X, OI(H3OFF(__pad32)), C1, 0, TYP_NONE },
>  	{ NULL }
>  };
>  
> diff --git a/db/dir2.c b/db/dir2.c
> index 3e21a7b..bd9c6aa 100644
> --- a/db/dir2.c
> +++ b/db/dir2.c
> @@ -171,7 +171,7 @@ const field_t	da_blkinfo_flds[] = {
>  	{ "forw", FLDT_DIRBLOCK, OI(DBOFF(forw)), C1, 0, TYP_INODATA },
>  	{ "back", FLDT_DIRBLOCK, OI(DBOFF(back)), C1, 0, TYP_INODATA },
>  	{ "magic", FLDT_UINT16X, OI(DBOFF(magic)), C1, 0, TYP_NONE },
> -	{ "pad", FLDT_UINT16X, OI(DBOFF(pad)), C1, FLD_SKIPALL, TYP_NONE },
> +	{ "pad", FLDT_UINT16X, OI(DBOFF(pad)), C1, 0, TYP_NONE },
>  	{ NULL }
>  };
>  
> @@ -977,7 +977,7 @@ const field_t	da3_node_hdr_flds[] = {
>  	{ "info", FLDT_DA3_BLKINFO, OI(H3OFF(info)), C1, 0, TYP_NONE },
>  	{ "count", FLDT_UINT16D, OI(H3OFF(__count)), C1, 0, TYP_NONE },
>  	{ "level", FLDT_UINT16D, OI(H3OFF(__level)), C1, 0, TYP_NONE },
> -	{ "pad", FLDT_UINT32D, OI(H3OFF(__pad32)), C1, 0, TYP_NONE },
> +	{ "pad", FLDT_UINT32X, OI(H3OFF(__pad32)), C1, 0, TYP_NONE },
>  	{ NULL }
>  };
>  
> diff --git a/db/dquot.c b/db/dquot.c
> index 4e35df4..222c082 100644
> --- a/db/dquot.c
> +++ b/db/dquot.c
> @@ -76,7 +76,7 @@ const field_t	disk_dquot_flds[] = {
>  	{ "btimer", FLDT_INT32D, OI(DOFF(btimer)), C1, 0, TYP_NONE },
>  	{ "iwarns", FLDT_QWARNCNT, OI(DOFF(iwarns)), C1, 0, TYP_NONE },
>  	{ "bwarns", FLDT_QWARNCNT, OI(DOFF(bwarns)), C1, 0, TYP_NONE },
> -	{ "pad0", FLDT_INT32D, OI(DOFF(pad0)), C1, FLD_SKIPALL, TYP_NONE },
> +	{ "pad0", FLDT_UINT32X, OI(DOFF(pad0)), C1, 0, TYP_NONE },
>  	{ "rtb_hardlimit", FLDT_QCNT, OI(DOFF(rtb_hardlimit)), C1, 0,
>  	  TYP_NONE },
>  	{ "rtb_softlimit", FLDT_QCNT, OI(DOFF(rtb_softlimit)), C1, 0,
> @@ -84,7 +84,7 @@ const field_t	disk_dquot_flds[] = {
>  	{ "rtbcount", FLDT_QCNT, OI(DOFF(rtbcount)), C1, 0, TYP_NONE },
>  	{ "rtbtimer", FLDT_INT32D, OI(DOFF(rtbtimer)), C1, 0, TYP_NONE },
>  	{ "rtbwarns", FLDT_QWARNCNT, OI(DOFF(rtbwarns)), C1, 0, TYP_NONE },
> -	{ "pad", FLDT_UINT16X, OI(DOFF(pad)), C1, FLD_SKIPALL, TYP_NONE },
> +	{ "pad", FLDT_UINT16X, OI(DOFF(pad)), C1, 0, TYP_NONE },
>  	{ NULL }
>  };
>  
> 
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