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Commit 3762ec6b authored by Nathan Scott's avatar Nathan Scott
Browse files

[XFS] Merge in trivial changes, sync up headers with userspace 


equivalents.

SGI-PV: 907752
SGI-Modid: xfs-linux-melb:xfs-kern:24961a

Signed-off-by: default avatarNathan Scott <nathans@sgi.com>
parent 6ab65429

fs/xfs/quota/xfs_dquot_item.c

+2 −2
Original line number Diff line number Diff line
@@ -239,7 +239,7 @@ xfs_qm_dquot_logitem_pushbuf( 
	 * trying to duplicate our effort.

	 */

	ASSERT(qip->qli_pushbuf_flag != 0);

	ASSERT(qip->qli_push_owner == get_thread_id());

	ASSERT(qip->qli_push_owner == current_pid());



	/*

	 * If flushlock isn't locked anymore, chances are that the
@@ -333,7 +333,7 @@ xfs_qm_dquot_logitem_trylock( 
			qip->qli_pushbuf_flag = 1;

			ASSERT(qip->qli_format.qlf_blkno == dqp->q_blkno);

#ifdef DEBUG

			qip->qli_push_owner = get_thread_id();

			qip->qli_push_owner = current_pid();

#endif

			/*

			 * The dquot is left locked.

fs/xfs/support/debug.c

+24 −34
Original line number Diff line number Diff line
@@ -32,39 +32,6 @@ static const char * const err_level[XFS_MAX_ERR_LEVEL+1] = 
					 KERN_ERR, KERN_WARNING, KERN_NOTICE,

					 KERN_INFO, KERN_DEBUG};



void

assfail(char *a, char *f, int l)

{

    printk("XFS assertion failed: %s, file: %s, line: %d\n", a, f, l);

    BUG();

}



#if ((defined(DEBUG) || defined(INDUCE_IO_ERRROR)) && !defined(NO_WANT_RANDOM))



unsigned long

random(void)

{

	static unsigned long	RandomValue = 1;

	/* cycles pseudo-randomly through all values between 1 and 2^31 - 2 */

	register long	rv = RandomValue;

	register long	lo;

	register long	hi;



	hi = rv / 127773;

	lo = rv % 127773;

	rv = 16807 * lo - 2836 * hi;

	if( rv <= 0 ) rv += 2147483647;

	return( RandomValue = rv );

}



int

get_thread_id(void)

{

	return current->pid;

}



#endif /* DEBUG || INDUCE_IO_ERRROR || !NO_WANT_RANDOM */



void

cmn_err(register int level, char *fmt, ...)

{
@@ -90,7 +57,6 @@ cmn_err(register int level, char *fmt, ...) 
		BUG();

}





void

icmn_err(register int level, char *fmt, va_list ap)

{
@@ -109,3 +75,27 @@ icmn_err(register int level, char *fmt, va_list ap) 
	if (level == CE_PANIC)

		BUG();

}



void

assfail(char *expr, char *file, int line)

{

	printk("Assertion failed: %s, file: %s, line: %d\n", expr, file, line);

	BUG();

}



#if ((defined(DEBUG) || defined(INDUCE_IO_ERRROR)) && !defined(NO_WANT_RANDOM))

unsigned long random(void)

{

	static unsigned long	RandomValue = 1;

	/* cycles pseudo-randomly through all values between 1 and 2^31 - 2 */

	register long	rv = RandomValue;

	register long	lo;

	register long	hi;



	hi = rv / 127773;

	lo = rv % 127773;

	rv = 16807 * lo - 2836 * hi;

	if (rv <= 0) rv += 2147483647;

	return RandomValue = rv;

}

#endif /* DEBUG || INDUCE_IO_ERRROR || !NO_WANT_RANDOM */

fs/xfs/support/debug.h

+12 −13
Original line number Diff line number Diff line
@@ -31,24 +31,23 @@ extern void icmn_err(int, char *, va_list) 
	__attribute__ ((format (printf, 2, 0)));

extern void cmn_err(int, char *, ...)

	__attribute__ ((format (printf, 2, 3)));

extern void assfail(char *expr, char *f, int l);



#ifndef STATIC

# define STATIC static

#endif

#define prdev(fmt,targ,args...) \

	printk("Device %s - " fmt "\n", XFS_BUFTARG_NAME(targ), ## args)



#ifdef DEBUG

# define ASSERT(EX)	((EX) ? ((void)0) : assfail(#EX, __FILE__, __LINE__))

#else

# define ASSERT(x)	((void)0)

#endif

#define ASSERT_ALWAYS(expr)	\

	(unlikely((expr) != 0) ? (void)0 : assfail(#expr, __FILE__, __LINE__))



extern void assfail(char *, char *, int);

#ifdef DEBUG

#ifndef DEBUG

# define ASSERT(expr)	((void)0)

#else

# define ASSERT(expr)	ASSERT_ALWAYS(expr)

extern unsigned long random(void);

extern int get_thread_id(void);

#endif



#define ASSERT_ALWAYS(EX)  ((EX)?((void)0):assfail(#EX, __FILE__, __LINE__))

#define	debug_stop_all_cpus(param)	/* param is "cpumask_t *" */

#ifndef STATIC

# define STATIC static

#endif



#endif  /* __XFS_SUPPORT_DEBUG_H__ */

fs/xfs/xfs_arch.h

+1 −1
Original line number Diff line number Diff line
@@ -44,7 +44,7 @@ 
#define cpu_to_be16(val)	((__be16)(val))

#define cpu_to_be32(val)	((__be32)(val))

#define cpu_to_be64(val)	((__be64)(val))

#define be16_to_cpu(val)	((__uint16_t)(val)

#define be16_to_cpu(val)	((__uint16_t)(val))

#define be32_to_cpu(val)	((__uint32_t)(val))

#define be64_to_cpu(val)	((__uint64_t)(val))

#else

fs/xfs/xfs_attr_leaf.h

+43 −36
Original line number Diff line number Diff line
@@ -63,7 +63,7 @@ struct xfs_trans; 
 * the leaf_entry.  The namespaces are independent only because we also look

 * at the namespace bit when we are looking for a matching attribute name.

 *

 * We also store a "incomplete" bit in the leaf_entry.  It shows that an

 * We also store an "incomplete" bit in the leaf_entry.  It shows that an

 * attribute is in the middle of being created and should not be shown to

 * the user if we crash during the time that the bit is set.  We clear the

 * bit when we have finished setting up the attribute.  We do this because
@@ -72,42 +72,48 @@ struct xfs_trans; 
 */

#define XFS_ATTR_LEAF_MAPSIZE	3	/* how many freespace slots */



typedef struct xfs_attr_leafblock {

	struct xfs_attr_leaf_hdr {	/* constant-structure header block */

typedef struct xfs_attr_leaf_map {	/* RLE map of free bytes */

	__uint16_t	base;	 	/* base of free region */

	__uint16_t	size;	  	/* length of free region */

} xfs_attr_leaf_map_t;



typedef struct xfs_attr_leaf_hdr {	/* constant-structure header block */

	xfs_da_blkinfo_t info;		/* block type, links, etc. */

	__uint16_t	count;		/* count of active leaf_entry's */

	__uint16_t	usedbytes;	/* num bytes of names/values stored */

	__uint16_t	firstused;	/* first used byte in name area */

	__uint8_t	holes;		/* != 0 if blk needs compaction */

	__uint8_t	pad1;

		struct xfs_attr_leaf_map {	  /* RLE map of free bytes */

			__uint16_t base;	  /* base of free region */

			__uint16_t size;	  /* length of free region */

		} freemap[XFS_ATTR_LEAF_MAPSIZE]; /* N largest free regions */

	} hdr;

	struct xfs_attr_leaf_entry {	/* sorted on key, not name */

	xfs_attr_leaf_map_t freemap[XFS_ATTR_LEAF_MAPSIZE];

					/* N largest free regions */

} xfs_attr_leaf_hdr_t;



typedef struct xfs_attr_leaf_entry {	/* sorted on key, not name */

	xfs_dahash_t	hashval;	/* hash value of name */

	__uint16_t	nameidx;	/* index into buffer of name/value */

	__uint8_t	flags;		/* LOCAL/ROOT/SECURE/INCOMPLETE flag */

	__uint8_t	pad2;		/* unused pad byte */

	} entries[1];			/* variable sized array */

	struct xfs_attr_leaf_name_local {

} xfs_attr_leaf_entry_t;



typedef struct xfs_attr_leaf_name_local {

	__uint16_t	valuelen;	/* number of bytes in value */

	__uint8_t	namelen;	/* length of name bytes */

	__uint8_t	nameval[1];	/* name/value bytes */

	} namelist;			/* grows from bottom of buf */

	struct xfs_attr_leaf_name_remote {

} xfs_attr_leaf_name_local_t;



typedef struct xfs_attr_leaf_name_remote {

	xfs_dablk_t	valueblk;	/* block number of value bytes */

	__uint32_t	valuelen;	/* number of bytes in value */

	__uint8_t	namelen;	/* length of name bytes */

	__uint8_t	name[1];	/* name bytes */

	} valuelist;			/* grows from bottom of buf */

} xfs_attr_leaf_name_remote_t;



typedef struct xfs_attr_leafblock {

	xfs_attr_leaf_hdr_t	hdr;	/* constant-structure header block */

	xfs_attr_leaf_entry_t	entries[1];	/* sorted on key, not name */

	xfs_attr_leaf_name_local_t namelist;	/* grows from bottom of buf */

	xfs_attr_leaf_name_remote_t valuelist;	/* grows from bottom of buf */

} xfs_attr_leafblock_t;

typedef struct xfs_attr_leaf_hdr xfs_attr_leaf_hdr_t;

typedef struct xfs_attr_leaf_map xfs_attr_leaf_map_t;

typedef struct xfs_attr_leaf_entry xfs_attr_leaf_entry_t;

typedef struct xfs_attr_leaf_name_local xfs_attr_leaf_name_local_t;

typedef struct xfs_attr_leaf_name_remote xfs_attr_leaf_name_remote_t;



/*

 * Flags used in the leaf_entry[i].flags field.
@@ -150,7 +156,8 @@ xfs_attr_leaf_name_local(xfs_attr_leafblock_t *leafp, int idx) 
		(leafp))[INT_GET((leafp)->entries[idx].nameidx, ARCH_CONVERT)];

}



#define XFS_ATTR_LEAF_NAME(leafp,idx)		xfs_attr_leaf_name(leafp,idx)

#define XFS_ATTR_LEAF_NAME(leafp,idx)		\

	xfs_attr_leaf_name(leafp,idx)

static inline char *xfs_attr_leaf_name(xfs_attr_leafblock_t *leafp, int idx)

{

	return (&((char *)