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

[tristan.ye]

Marcos E. Matsunaga wrote:
> I'm not familiar with the quota implementation and I believe you have 
> tested it.

Marcos,

Thanks for reviewing.

Actually, I've tested 3 versions of Quota out already, and dozens of 
potential bugs have been exposed by this test:-)

I'll soon commit quota_tests with your SOB.

Regards,

Tristan

>
> 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_ */
>>