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From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: Jan Tulak <jtulak@redhat.com>
Cc: linux-xfs@vger.kernel.org
Subject: Re: [PATCH 5/6] mkfs: replace variables with opts table: -n options
Date: Mon, 14 Aug 2017 16:34:50 -0700	[thread overview]
Message-ID: <20170814233450.GO4796@magnolia> (raw)
In-Reply-To: <20170811123058.16061-6-jtulak@redhat.com>

On Fri, Aug 11, 2017 at 02:30:57PM +0200, Jan Tulak wrote:
> Remove variables that can be replaced with a direct access to the opts
> table, so we have it all in a single place, accessible from anywhere.
> 
> In future, we can remove some instances where we are passing values as
> arguments to helper functions, when we have the values in the opts
> struct and could pass only the struct.  But for now, limit the changes
> to simple replacement without any change in the logic.
> 
> Signed-off-by: Jan Tulak <jtulak@redhat.com>

Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>

> ---
>  mkfs/xfs_mkfs.c | 34 ++++++++++++++++------------------
>  1 file changed, 16 insertions(+), 18 deletions(-)
> 
> diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c
> index 4e85694f..51c1a794 100644
> --- a/mkfs/xfs_mkfs.c
> +++ b/mkfs/xfs_mkfs.c
> @@ -1685,8 +1685,6 @@ main(
>  	int			dasize;
>  	xfs_rfsblock_t		dblocks;
>  	char			*dfile;
> -	int			dirblocklog;
> -	int			dirblocksize;
>  	int			dsflag;
>  	bool			force_overwrite;
>  	struct fsxattr		fsx;
> @@ -1767,7 +1765,6 @@ main(
>  	liflag = laflag = lsflag = lsuflag = lsunitflag = ldflag = lvflag = false;
>  	logblocks = rtblocks = rtextblocks = 0;
>  	Nflag = nlflag = nsflag = nvflag = false;
> -	dirblocklog = dirblocksize = 0;
>  	qflag = false;
>  	dfile = logfile = rtfile = NULL;
>  	protofile = NULL;
> @@ -2082,18 +2079,15 @@ main(
>  
>  				switch (getsubopt(&p, subopts, &value)) {
>  				case N_LOG:
> -					dirblocklog = parse_conf_val(OPT_N,
> +					parse_conf_val(OPT_N,
>  								     N_LOG,
>  								     value);
> -					dirblocksize = 1 << dirblocklog;
>  					nlflag = 1;
>  					break;
>  				case N_SIZE:
> -					dirblocksize = parse_conf_val(OPT_N,
> +					parse_conf_val(OPT_N,
>  								      N_SIZE,
>  								      value);
> -					dirblocklog =
> -						libxfs_highbit32(dirblocksize);
>  					nsflag = 1;
>  					break;
>  				case N_VERSION:
> @@ -2458,18 +2452,19 @@ _("rmapbt not supported with realtime devices\n"));
>  	}
>  
>  	if (nsflag || nlflag) {
> -		if (dirblocksize < get_conf_val(OPT_B, B_SIZE) ||
> -					dirblocksize > XFS_MAX_BLOCKSIZE) {
> -			fprintf(stderr, _("illegal directory block size %d\n"),
> -				dirblocksize);
> +		if (get_conf_val(OPT_N, N_SIZE) <
> +		    get_conf_val(OPT_B, B_SIZE) ||
> +		    get_conf_val(OPT_N, N_SIZE) > XFS_MAX_BLOCKSIZE) {
> +			fprintf(stderr, _("illegal directory block size %lld\n"),
> +				get_conf_val(OPT_N, N_SIZE));
>  			usage();
>  		}
>  	} else {
>  		if (get_conf_val(OPT_B, B_SIZE) < (1 << XFS_MIN_REC_DIRSIZE))
> -			dirblocklog = XFS_MIN_REC_DIRSIZE;
> +			set_conf_val(OPT_N, N_LOG, XFS_MIN_REC_DIRSIZE);
>  		else
> -			dirblocklog = get_conf_val(OPT_B, B_LOG);
> -		dirblocksize = 1 << dirblocklog;
> +			set_conf_val(OPT_N, N_LOG, get_conf_val(OPT_B, B_LOG));
> +		set_conf_val(OPT_N, N_SIZE, 1 << get_conf_val(OPT_N, N_LOG));
>  	}
>  
>  
> @@ -3053,7 +3048,8 @@ an AG size that is one stripe unit smaller, for example %llu.\n"),
>  				   sb_feat.crcs_enabled, sb_feat.dir_version,
>  				   get_conf_val(OPT_D, D_SECTLOG),
>  				   get_conf_val(OPT_B, B_LOG),
> -				   get_conf_val(OPT_I, I_LOG), dirblocklog,
> +				   get_conf_val(OPT_I, I_LOG),
> +				   get_conf_val(OPT_N, N_LOG),
>  				   sb_feat.log_version,
>  				   get_conf_val(OPT_L, L_SUNIT),
>  				   sb_feat.finobt,
> @@ -3244,7 +3240,8 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"),
>  			get_conf_val(OPT_I, I_MAXPCT),
>  			"", get_conf_val(OPT_D, D_SUNIT),
>  			get_conf_val(OPT_D, D_SWIDTH),
> -			sb_feat.dir_version, (long long)dirblocksize, sb_feat.nci,
> +			sb_feat.dir_version,
> +			get_conf_val(OPT_N, N_SIZE), sb_feat.nci,
>  				sb_feat.dirftype,
>  			logfile, 1 << get_conf_val(OPT_B, B_LOG), (long long)logblocks,
>  			sb_feat.log_version, "",
> @@ -3296,7 +3293,8 @@ _("size %s specified for log subvolume is too large, maximum is %lld blocks\n"),
>  	sbp->sb_qflags = 0;
>  	sbp->sb_unit = get_conf_val(OPT_D, D_SUNIT);
>  	sbp->sb_width = get_conf_val(OPT_D, D_SWIDTH);
> -	sbp->sb_dirblklog = dirblocklog - get_conf_val(OPT_B, B_LOG);
> +	sbp->sb_dirblklog = get_conf_val(OPT_N, N_LOG) -
> +		get_conf_val(OPT_B, B_LOG);
>  	if (sb_feat.log_version == 2) {	/* This is stored in bytes */
>  		set_conf_val(OPT_L, L_SUNIT,
>  			     (get_conf_val(OPT_L, L_SUNIT) == 0) ?
> -- 
> 2.13.3
> 
> --
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  reply	other threads:[~2017-08-14 23:34 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-11 12:30 [PATCH 0/6 v2] mkfs: use user values saved in opts table Jan Tulak
2017-08-11 12:30 ` [PATCH 1/6] mkfs: save user input values into opts Jan Tulak
2017-08-14 23:21   ` Darrick J. Wong
2017-08-11 12:30 ` [PATCH 2/6] mkfs: replace variables with opts table: -b,d,s options Jan Tulak
2017-08-14 23:30   ` Darrick J. Wong
2017-08-15 15:00   ` [PATCH 2/6 v2] " Jan Tulak
2017-08-11 12:30 ` [PATCH 3/6] mkfs: replace variables with opts table: -i options Jan Tulak
2017-08-14 23:31   ` Darrick J. Wong
2017-08-11 12:30 ` [PATCH 4/6] mkfs: replace variables with opts table: -l options Jan Tulak
2017-08-14 23:34   ` Darrick J. Wong
2017-08-11 12:30 ` [PATCH 5/6] mkfs: replace variables with opts table: -n options Jan Tulak
2017-08-14 23:34   ` Darrick J. Wong [this message]
2017-08-11 12:30 ` [PATCH 6/6] mkfs: replace variables with opts table: -r options Jan Tulak
2017-08-14 23:35   ` Darrick J. Wong

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