Re: [RFC v3 PATCH 1/4] xfs: Remove incore use of XFS_OQUOTA_ENFD and XFS_OQUOTA_CHKD

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Hi Chandra,

Here are some cleanups caught by the script in 
scripts/checkpatch.pl

On Mon, Jan 23, 2012 at 11:32:04AM -0600, Chandra Seetharaman wrote:
> Define new macros XFS_GQUOTA_ENFD, XFS_GQUOTA_CHKD, XFS_PQUOTA_ENFD, and
> XFS_PQUOTA_CHKD.
> 
> Remove incore use of XFS_OQUOTA_ENFD and XFS_OQUOTA_CHKD. Instead,
> start using XFS_GQUOTA_.* XFS_PQUOTA_.* counterparts. 
> 
> No changes is made to the on-disk version of the superblock yet. On-disk
> copy still uses XFS_OQUOTA_ENFD and XFS_OQUOTA_CHKD.
>  
> Signed-off-by: Chandra Seetharaman <sekharan@xxxxxxxxxx>
> ---
>  fs/xfs/xfs_mount.c       |   30 ++++++++++++++++++++++++++++++
>  fs/xfs/xfs_qm.c          |    9 ++++++---
>  fs/xfs/xfs_qm_syscalls.c |   26 ++++++++++++++------------
>  fs/xfs/xfs_quota.h       |   36 +++++++++++++++++++++++++-----------
>  fs/xfs/xfs_quotaops.c    |    6 ++++--
>  fs/xfs/xfs_super.c       |   16 ++++++++--------
>  fs/xfs/xfs_trans_dquot.c |    4 ++--
>  7 files changed, 89 insertions(+), 38 deletions(-)
> 
> diff --git a/fs/xfs/xfs_quota.h b/fs/xfs/xfs_quota.h
> index b50ec5b..d7205b0 100644
> --- a/fs/xfs/xfs_quota.h
> +++ b/fs/xfs/xfs_quota.h
> @@ -152,19 +152,34 @@ typedef struct xfs_qoff_logformat {
>  #define XFS_GQUOTA_ACCT	0x0040  /* group quota accounting ON */
>  
>  /*
> + * Start differentiating group quota and project quota in-core
> + * using distinct flags, instead of using the combined OQUOTA flags.
> + *
> + * Conversion to and from the combined OQUOTA flag (if necessary)
> + * is done only in xfs_sb_{to,from}_disk()
> + */
> +#define XFS_GQUOTA_ENFD	0x0080  /* group quota limits enforced */
> +#define XFS_GQUOTA_CHKD	0x0100  /* quotacheck run on group quotas */
> +#define XFS_PQUOTA_ENFD	0x0200  /* project quota limits enforced */
> +#define XFS_PQUOTA_CHKD	0x0400  /* quotacheck run on project quotas */
> +
> +/*
>   * Quota Accounting/Enforcement flags
>   */
>  #define XFS_ALL_QUOTA_ACCT	\
>  		(XFS_UQUOTA_ACCT | XFS_GQUOTA_ACCT | XFS_PQUOTA_ACCT)
> -#define XFS_ALL_QUOTA_ENFD	(XFS_UQUOTA_ENFD | XFS_OQUOTA_ENFD)
> -#define XFS_ALL_QUOTA_CHKD	(XFS_UQUOTA_CHKD | XFS_OQUOTA_CHKD)
> +#define XFS_ALL_QUOTA_ENFD	\
> +		(XFS_UQUOTA_ENFD | XFS_GQUOTA_ENFD | XFS_PQUOTA_ENFD)
> +#define XFS_ALL_QUOTA_CHKD	\
> +		(XFS_UQUOTA_CHKD | XFS_GQUOTA_CHKD | XFS_PQUOTA_CHKD)
>  
>  #define XFS_IS_QUOTA_RUNNING(mp)	((mp)->m_qflags & XFS_ALL_QUOTA_ACCT)
>  #define XFS_IS_UQUOTA_RUNNING(mp)	((mp)->m_qflags & XFS_UQUOTA_ACCT)
>  #define XFS_IS_PQUOTA_RUNNING(mp)	((mp)->m_qflags & XFS_PQUOTA_ACCT)
>  #define XFS_IS_GQUOTA_RUNNING(mp)	((mp)->m_qflags & XFS_GQUOTA_ACCT)
>  #define XFS_IS_UQUOTA_ENFORCED(mp)	((mp)->m_qflags & XFS_UQUOTA_ENFD)
> -#define XFS_IS_OQUOTA_ENFORCED(mp)	((mp)->m_qflags & XFS_OQUOTA_ENFD)
> +#define XFS_IS_PQUOTA_ENFORCED(mp)	((mp)->m_qflags & XFS_PQUOTA_ENFD)
> +#define XFS_IS_GQUOTA_ENFORCED(mp)	((mp)->m_qflags & XFS_GQUOTA_ENFD)
>  
>  /*
>   * Incore only flags for quotaoff - these bits get cleared when quota(s)
> @@ -259,24 +274,23 @@ typedef struct xfs_qoff_logformat {
>  	((XFS_IS_UQUOTA_ON(mp) && \
>  		(mp->m_sb.sb_qflags & XFS_UQUOTA_CHKD) == 0) || \
>  	 (XFS_IS_GQUOTA_ON(mp) && \
> -		((mp->m_sb.sb_qflags & XFS_OQUOTA_CHKD) == 0 || \
> -		 (mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT))) || \
> +		(mp->m_sb.sb_qflags & XFS_GQUOTA_CHKD) == 0) || \
>  	 (XFS_IS_PQUOTA_ON(mp) && \
> -		((mp->m_sb.sb_qflags & XFS_OQUOTA_CHKD) == 0 || \
> -		 (mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT))))
> +		(mp->m_sb.sb_qflags & XFS_PQUOTA_CHKD) == 0))
>  
>  #define XFS_MOUNT_QUOTA_SET1	(XFS_UQUOTA_ACCT|XFS_UQUOTA_ENFD|\
>  				 XFS_UQUOTA_CHKD|XFS_PQUOTA_ACCT|\
> -				 XFS_OQUOTA_ENFD|XFS_OQUOTA_CHKD)
> +				 XFS_PQUOTA_ENFD|XFS_PQUOTA_CHKD)
>  
>  #define XFS_MOUNT_QUOTA_SET2	(XFS_UQUOTA_ACCT|XFS_UQUOTA_ENFD|\
>  				 XFS_UQUOTA_CHKD|XFS_GQUOTA_ACCT|\
> -				 XFS_OQUOTA_ENFD|XFS_OQUOTA_CHKD)
> +				 XFS_GQUOTA_ENFD|XFS_GQUOTA_CHKD)
>  
>  #define XFS_MOUNT_QUOTA_ALL	(XFS_UQUOTA_ACCT|XFS_UQUOTA_ENFD|\
>  				 XFS_UQUOTA_CHKD|XFS_PQUOTA_ACCT|\
> -				 XFS_OQUOTA_ENFD|XFS_OQUOTA_CHKD|\
> -				 XFS_GQUOTA_ACCT)
> +				 XFS_PQUOTA_ENFD|XFS_PQUOTA_CHKD|\
> +				 XFS_GQUOTA_ACCT|XFS_GQUOTA_ENFD|\
> +				 XFS_GQUOTA_CHKD)
>  
>  
>  /*
> diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
> index 25e9908..64313e4 100644
> --- a/fs/xfs/xfs_mount.c
> +++ b/fs/xfs/xfs_mount.c
> @@ -593,6 +593,20 @@ xfs_sb_from_disk(
>  	to->sb_uquotino = be64_to_cpu(from->sb_uquotino);
>  	to->sb_gquotino = be64_to_cpu(from->sb_gquotino);
>  	to->sb_qflags = be16_to_cpu(from->sb_qflags);
> +	if ((to->sb_qflags & (XFS_OQUOTA_ENFD | XFS_OQUOTA_CHKD)) &&
> +			(to->sb_qflags & (XFS_PQUOTA_ENFD |XFS_GQUOTA_ENFD |

ERROR: need consistent spacing around '|' (ctx:WxV)
#115: FILE: fs/xfs/xfs_mount.c:597:
+                       (to->sb_qflags & (XFS_PQUOTA_ENFD |XFS_GQUOTA_ENFD |
                                                          ^

> +				XFS_PQUOTA_CHKD| XFS_GQUOTA_CHKD))) {

ERROR: need consistent spacing around '|' (ctx:VxW)
#116: FILE: fs/xfs/xfs_mount.c:598:
+                               XFS_PQUOTA_CHKD| XFS_GQUOTA_CHKD))) {
                                               ^


> +		xfs_notice(mp, "Super block has XFS_OQUOTA bits along with "
> +			"XFS_PQUOTA and/or XFS_GQUOTA bits. Fixing it.\n");
> +	}
> +	if (to->sb_qflags & XFS_OQUOTA_ENFD)
> +		to->sb_qflags |= (to->sb_qflags & XFS_PQUOTA_ACCT) ?
> +					XFS_PQUOTA_ENFD : XFS_GQUOTA_ENFD;
> +	if (to->sb_qflags & XFS_OQUOTA_CHKD)
> +		to->sb_qflags |= (to->sb_qflags & XFS_PQUOTA_ACCT) ?
> +					XFS_PQUOTA_CHKD : XFS_GQUOTA_CHKD;
> +	to->sb_qflags &= ~(XFS_OQUOTA_ENFD | XFS_OQUOTA_CHKD);
> +
>  	to->sb_flags = from->sb_flags;
>  	to->sb_shared_vn = from->sb_shared_vn;
>  	to->sb_inoalignmt = be32_to_cpu(from->sb_inoalignmt);
> @@ -622,11 +636,26 @@ xfs_sb_to_disk(
>  	xfs_sb_field_t	f;
>  	int		first;
>  	int		size;
> +	__be16		saved_qflags;
>  
>  	ASSERT(fields);
>  	if (!fields)
>  		return;
>  
> +	/*
> +	 * in-core version of qflags do not have XFS_OQUOTA.*, whereas the
> + 	 * on-disk version does. So, save the in-core sb_qflags and restore

ERROR: code indent should use tabs where possible
#143: FILE: fs/xfs/xfs_mount.c:647:
+ ^I * on-disk version does. So, save the in-core sb_qflags and restore$

WARNING: please, no space before tabs
#143: FILE: fs/xfs/xfs_mount.c:647:
+ ^I * on-disk version does. So, save the in-core sb_qflags and restore$



> +	 * it after we modify and copy it to the buffer to be copied to
> +	 * disk.
> +	 */
> +	saved_qflags = from->sb_qflags;
> +
> +	if (from->sb_qflags & (XFS_PQUOTA_ENFD | XFS_GQUOTA_ENFD))
> +		from->sb_qflags |= XFS_OQUOTA_ENFD;
> +	if (from->sb_qflags & (XFS_PQUOTA_CHKD | XFS_GQUOTA_CHKD))
> +		from->sb_qflags |= XFS_OQUOTA_CHKD;
> +	from->sb_qflags &= ~(XFS_PQUOTA_ENFD | XFS_PQUOTA_CHKD |
> +					XFS_GQUOTA_ENFD | XFS_GQUOTA_CHKD);
>  	while (fields) {
>  		f = (xfs_sb_field_t)xfs_lowbit64((__uint64_t)fields);
>  		first = xfs_sb_info[f].offset;
> @@ -657,6 +686,7 @@ xfs_sb_to_disk(
>  
>  		fields &= ~(1LL << f);
>  	}
> +	from->sb_qflags = saved_qflags;
>  }
>  
>  /*
> diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
> index 1b2f5b3..bb8c2ac 100644
> --- a/fs/xfs/xfs_qm.c
> +++ b/fs/xfs/xfs_qm.c
> @@ -313,8 +313,10 @@ xfs_qm_mount_quotas(
>  	 */
>  	if (!XFS_IS_UQUOTA_ON(mp))
>  		mp->m_qflags &= ~XFS_UQUOTA_CHKD;
> -	if (!(XFS_IS_GQUOTA_ON(mp) || XFS_IS_PQUOTA_ON(mp)))
> -		mp->m_qflags &= ~XFS_OQUOTA_CHKD;
> +	if (!XFS_IS_GQUOTA_ON(mp))
> +		mp->m_qflags &= ~XFS_GQUOTA_CHKD;
> +	if (!XFS_IS_PQUOTA_ON(mp))
> +		mp->m_qflags &= ~XFS_PQUOTA_CHKD;
>  
>   write_changes:
>  	/*
> @@ -1449,7 +1451,8 @@ xfs_qm_quotacheck(
>  					XFS_QMOPT_GQUOTA : XFS_QMOPT_PQUOTA);
>  		if (error)
>  			goto error_return;
> -		flags |= XFS_OQUOTA_CHKD;
> +		flags |= XFS_IS_GQUOTA_ON(mp) ?
> +					XFS_GQUOTA_CHKD : XFS_PQUOTA_CHKD;
>  	}
>  
>  	do {
> diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c
> index eafbcff..d43c68c 100644
> --- a/fs/xfs/xfs_qm_syscalls.c
> +++ b/fs/xfs/xfs_qm_syscalls.c
> @@ -121,11 +121,11 @@ xfs_qm_scall_quotaoff(
>  	}
>  	if (flags & XFS_GQUOTA_ACCT) {
>  		dqtype |= XFS_QMOPT_GQUOTA;
> -		flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD);
> +		flags |= (XFS_GQUOTA_CHKD | XFS_GQUOTA_ENFD);
>  		inactivate_flags |= XFS_GQUOTA_ACTIVE;
>  	} else if (flags & XFS_PQUOTA_ACCT) {
>  		dqtype |= XFS_QMOPT_PQUOTA;
> -		flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD);
> +		flags |= (XFS_PQUOTA_CHKD | XFS_PQUOTA_ENFD);
>  		inactivate_flags |= XFS_PQUOTA_ACTIVE;
>  	}
>  
> @@ -349,9 +349,11 @@ xfs_qm_scall_quotaon(
>  	    ||
>  	    ((flags & XFS_PQUOTA_ACCT) == 0 &&
>  	    (mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) == 0 &&
> -	    (flags & XFS_GQUOTA_ACCT) == 0 &&
> +	    (flags & XFS_PQUOTA_ENFD))
> +	    ||
> +	    ((flags & XFS_GQUOTA_ACCT) == 0 &&
>  	    (mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) == 0 &&
> -	    (flags & XFS_OQUOTA_ENFD))) {
> +	    (flags & XFS_GQUOTA_ENFD))) {
>  		xfs_debug(mp,
>  			"%s: Can't enforce without acct, flags=%x sbflags=%x\n",
>  			__func__, flags, mp->m_sb.sb_qflags);
> @@ -801,8 +803,8 @@ xfs_qm_export_dquot(
>  	 * so return zeroes in that case.
>  	 */
>  	if ((!XFS_IS_UQUOTA_ENFORCED(mp) && src->d_flags == XFS_DQ_USER) ||
> -	    (!XFS_IS_OQUOTA_ENFORCED(mp) &&
> -			(src->d_flags & (XFS_DQ_PROJ | XFS_DQ_GROUP)))) {
> +	    (!XFS_IS_PQUOTA_ENFORCED(mp) && src->d_flags == XFS_DQ_PROJ) || 

ERROR: trailing whitespace
#231: FILE: fs/xfs/xfs_qm_syscalls.c:806:
+^I    (!XFS_IS_PQUOTA_ENFORCED(mp) && src->d_flags == XFS_DQ_PROJ) || $

I suggest you run the script on your other patches as well... 

Regards,
	Ben

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