[Ocfs2-test-devel] [PATCH 2/5] Ocfs2-test: Add quota.h for quota-tests.

Marcos E. Matsunaga Marcos.Matsunaga at oracle.com
Thu Jan 8 12:55:25 PST 2009


I'm not familiar with the quota implementation and I believe you have
tested it.

Signed-off-by: Marcos Matsunaga <Marcos.Matsunaga at oracle.com>

Regards,

Marcos Eduardo Matsunaga

Oracle USA
Linux Engineering

“The statements and opinions expressed here are my own and do not
necessarily represent those of Oracle Corporation.”



Tristan Ye wrote:
> Signed-off-by: Tristan Ye <tristan.ye at oracle.com>
> ---
>  programs/quota_tests/quota.h |  128 ++++++++++++++++++++++++++++++++++++++++++
>  1 files changed, 128 insertions(+), 0 deletions(-)
>  create mode 100755 programs/quota_tests/quota.h
>
> diff --git a/programs/quota_tests/quota.h b/programs/quota_tests/quota.h
> new file mode 100755
> index 0000000..259cea3
> --- /dev/null
> +++ b/programs/quota_tests/quota.h
> @@ -0,0 +1,128 @@
> +#ifndef _QUOTA_H
> +#define _QUOTA_H
> +
> +#include <sys/types.h>
> +
> +typedef u_int32_t qid_t;	/* Type in which we store ids in memory */
> +typedef u_int64_t qsize_t;	/* Type in which we store size limitations */
> +
> +#define MAXQUOTAS 2
> +#define USRQUOTA  0		/* element used for user quotas */
> +#define GRPQUOTA  1		/* element used for group quotas */
> +
> +/*
> + * Definitions for the default names of the quotas files.
> + */
> +#define INITQFNAMES { \
> +	"user",    /* USRQUOTA */ \
> +	"group",   /* GRPQUOTA */ \
> +	"undefined", \
> +}
> +
> +/*
> + * Definitions of magics and versions of current quota files
> + */
> +#define INITQMAGICS {\
> +	0xd9c01f11,	/* USRQUOTA */\
> +	0xd9c01927	/* GRPQUOTA */\
> +}
> +
> +/* Size of blocks in which are counted size limits in generic utility parts */
> +#define QUOTABLOCK_BITS 10
> +#define QUOTABLOCK_SIZE (1 << QUOTABLOCK_BITS)
> +
> +/* Conversion routines from and to quota blocks */
> +#define qb2kb(x) ((x) << (QUOTABLOCK_BITS-10))
> +#define kb2qb(x) ((x) >> (QUOTABLOCK_BITS-10))
> +#define toqb(x) (((x) + QUOTABLOCK_SIZE - 1) >> QUOTABLOCK_BITS)
> +
> +/*
> + * Command definitions for the 'quotactl' system call.
> + * The commands are broken into a main command defined below
> + * and a subcommand that is used to convey the type of
> + * quota that is being manipulated (see above).
> + */
> +#define SUBCMDMASK  0x00ff
> +#define SUBCMDSHIFT 8
> +#define QCMD(cmd, type)  (((cmd) << SUBCMDSHIFT) | ((type) & SUBCMDMASK))
> +
> +#define Q_6_5_QUOTAON  0x0100	/* enable quotas */
> +#define Q_6_5_QUOTAOFF 0x0200	/* disable quotas */
> +#define Q_6_5_SYNC     0x0600	/* sync disk copy of a filesystems quotas */
> +
> +#define Q_SYNC     0x800001	/* sync disk copy of a filesystems quotas */
> +#define Q_QUOTAON  0x800002	/* turn quotas on */
> +#define Q_QUOTAOFF 0x800003	/* turn quotas off */
> +#define Q_GETFMT   0x800004	/* get quota format used on given filesystem */
> +#define Q_GETINFO  0x800005	/* get information about quota files */
> +#define Q_SETINFO  0x800006	/* set information about quota files */
> +#define Q_GETQUOTA 0x800007	/* get user quota structure */
> +#define Q_SETQUOTA 0x800008	/* set user quota structure */
> +
> +/*
> + * Quota structure used for communication with userspace via quotactl
> + * Following flags are used to specify which fields are valid
> + */
> +#define QIF_BLIMITS	1
> +#define QIF_SPACE	2
> +#define QIF_ILIMITS	4
> +#define QIF_INODES	8
> +#define QIF_BTIME	16
> +#define QIF_ITIME	32
> +#define QIF_LIMITS	(QIF_BLIMITS | QIF_ILIMITS)
> +#define QIF_USAGE	(QIF_SPACE | QIF_INODES)
> +#define QIF_TIMES	(QIF_BTIME | QIF_ITIME)
> +#define QIF_ALL		(QIF_LIMITS | QIF_USAGE | QIF_TIMES)
> +
> +struct if_dqblk {
> +	u_int64_t dqb_bhardlimit;
> +	u_int64_t dqb_bsoftlimit;
> +	u_int64_t dqb_curspace;
> +	u_int64_t dqb_ihardlimit;
> +	u_int64_t dqb_isoftlimit;
> +	u_int64_t dqb_curinodes;
> +	u_int64_t dqb_btime;
> +	u_int64_t dqb_itime;
> +	u_int32_t dqb_valid;
> +};
> +
> +/*
> + * Structure used for setting quota information about file via quotactl
> + * Following flags are used to specify which fields are valid
> + */
> +#define IIF_BGRACE	1
> +#define IIF_IGRACE	2
> +#define IIF_FLAGS	4
> +#define IIF_ALL		(IIF_BGRACE | IIF_IGRACE | IIF_FLAGS)
> +
> +struct if_dqinfo {
> +	u_int64_t dqi_bgrace;
> +	u_int64_t dqi_igrace;
> +	u_int32_t dqi_flags;
> +	u_int32_t dqi_valid;
> +};
> +
> +/* Quota format identifiers */
> +#define QFMT_VFS_OLD 1
> +#define QFMT_VFS_V0  2
> +
> +/* Flags supported by kernel */
> +#define V1_DQF_RSQUASH 1
> +
> +/* Ioctl for getting quota size */
> +#include <sys/ioctl.h>
> +#ifndef FIOQSIZE
> +	#if defined(__alpha__) || defined(__powerpc__) || defined(__sh__) || defined(__sparc__) || defined(__sparc64__)
> +		#define FIOQSIZE _IOR('f', 128, loff_t)
> +	#elif defined(__arm__) || defined(__mc68000__) || defined(__s390__)
> +		#define FIOQSIZE 0x545E
> +        #elif defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__ia64__) || defined(__parisc__) || defined(__cris__) || defined(__hppa__) || defined(__x86_64__)
> +		#define FIOQSIZE 0x5460
> +	#elif defined(__mips__) || defined(__mips64__)
> +		#define FIOQSIZE 0x6667
> +	#endif
> +#endif
> +
> +long quotactl __P((int, const char *, qid_t, caddr_t));
> +
> +#endif /* _QUOTA_ */
>   
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