xfs_bmap.h File Reference

Go to the source code of this file.

Data Structures
struct	xfs_bmap_free_item
struct	xfs_bmap_free
struct	xfs_bmalloca

Macros
#define	XFS_BMAP_MAX_NMAP   4
#define	XFS_BMAPI_ENTIRE   0x001 /* return entire extent, not trimmed */
#define	XFS_BMAPI_METADATA   0x002 /* mapping metadata not user data */
#define	XFS_BMAPI_ATTRFORK   0x004 /* use attribute fork not data */
#define	XFS_BMAPI_PREALLOC   0x008 /* preallocation op: unwritten space */
#define	XFS_BMAPI_IGSTATE   0x010 /* Ignore state - */
#define	XFS_BMAPI_CONTIG   0x020 /* must allocate only one extent */
#define	XFS_BMAPI_CONVERT   0x040
#define	XFS_BMAPI_STACK_SWITCH   0x080
#define	XFS_BMAPI_FLAGS
#define	DELAYSTARTBLOCK   ((xfs_fsblock_t)-1LL)
#define	HOLESTARTBLOCK   ((xfs_fsblock_t)-2LL)
#define	BMAP_LEFT_CONTIG   (1 << 0)
#define	BMAP_RIGHT_CONTIG   (1 << 1)
#define	BMAP_LEFT_FILLING   (1 << 2)
#define	BMAP_RIGHT_FILLING   (1 << 3)
#define	BMAP_LEFT_DELAY   (1 << 4)
#define	BMAP_RIGHT_DELAY   (1 << 5)
#define	BMAP_LEFT_VALID   (1 << 6)
#define	BMAP_RIGHT_VALID   (1 << 7)
#define	BMAP_ATTRFORK   (1 << 8)
#define	XFS_BMAP_EXT_FLAGS
#define	XFS_BMAP_TRACE_EXLIST(ip, c, w)

Typedefs
typedef struct xfs_bmap_free_item	xfs_bmap_free_item_t
typedef struct xfs_bmap_free	xfs_bmap_free_t
typedef struct xfs_bmalloca	xfs_bmalloca_t

Functions
int	xfs_bmap_add_attrfork (struct xfs_inode *ip, int size, int rsvd)
void	xfs_bmap_add_free (xfs_fsblock_t bno, xfs_filblks_t len, struct xfs_bmap_free *flist, struct xfs_mount *mp)
void	xfs_bmap_cancel (struct xfs_bmap_free *flist)
void	xfs_bmap_compute_maxlevels (struct xfs_mount *mp, int whichfork)
int	xfs_bmap_first_unused (struct xfs_trans *tp, struct xfs_inode *ip, xfs_extlen_t len, xfs_fileoff_t *unused, int whichfork)
int	xfs_bmap_last_before (struct xfs_trans *tp, struct xfs_inode *ip, xfs_fileoff_t *last_block, int whichfork)
int	xfs_bmap_last_offset (struct xfs_trans *tp, struct xfs_inode *ip, xfs_fileoff_t *unused, int whichfork)
int	xfs_bmap_one_block (struct xfs_inode *ip, int whichfork)
int	xfs_bmap_read_extents (struct xfs_trans *tp, struct xfs_inode *ip, int whichfork)
int	xfs_bmapi_read (struct xfs_inode *ip, xfs_fileoff_t bno, xfs_filblks_t len, struct xfs_bmbt_irec *mval, int *nmap, int flags)
int	xfs_bmapi_delay (struct xfs_inode *ip, xfs_fileoff_t bno, xfs_filblks_t len, struct xfs_bmbt_irec *mval, int *nmap, int flags)
int	xfs_bmapi_write (struct xfs_trans *tp, struct xfs_inode *ip, xfs_fileoff_t bno, xfs_filblks_t len, int flags, xfs_fsblock_t *firstblock, xfs_extlen_t total, struct xfs_bmbt_irec *mval, int *nmap, struct xfs_bmap_free *flist)
int	xfs_bunmapi (struct xfs_trans *tp, struct xfs_inode *ip, xfs_fileoff_t bno, xfs_filblks_t len, int flags, xfs_extnum_t nexts, xfs_fsblock_t *firstblock, struct xfs_bmap_free *flist, int *done)
int	xfs_check_nostate_extents (struct xfs_ifork *ifp, xfs_extnum_t idx, xfs_extnum_t num)
uint	xfs_default_attroffset (struct xfs_inode *ip)

Variables
kmem_zone_t *	xfs_bmap_free_item_zone

Macro Definition Documentation

#define BMAP_ATTRFORK   (1 << 8)

Definition at line 156 of file xfs_bmap.h.

#define BMAP_LEFT_CONTIG   (1 << 0)

Definition at line 148 of file xfs_bmap.h.

#define BMAP_LEFT_DELAY   (1 << 4)

Definition at line 152 of file xfs_bmap.h.

#define BMAP_LEFT_FILLING   (1 << 2)

Definition at line 150 of file xfs_bmap.h.

#define BMAP_LEFT_VALID   (1 << 6)

Definition at line 154 of file xfs_bmap.h.

#define BMAP_RIGHT_CONTIG   (1 << 1)

Definition at line 149 of file xfs_bmap.h.

#define BMAP_RIGHT_DELAY   (1 << 5)

Definition at line 153 of file xfs_bmap.h.

#define BMAP_RIGHT_FILLING   (1 << 3)

Definition at line 151 of file xfs_bmap.h.

#define BMAP_RIGHT_VALID   (1 << 7)

Definition at line 155 of file xfs_bmap.h.

#define DELAYSTARTBLOCK   ((xfs_fsblock_t)-1LL)

Definition at line 101 of file xfs_bmap.h.

#define HOLESTARTBLOCK   ((xfs_fsblock_t)-2LL)

Definition at line 102 of file xfs_bmap.h.

#define XFS_BMAP_EXT_FLAGS

Value:

{ BMAP_LEFT_CONTIG, "LC" }, \
    { BMAP_RIGHT_CONTIG,    "RC" }, \
    { BMAP_LEFT_FILLING,    "LF" }, \
    { BMAP_RIGHT_FILLING,   "RF" }, \
    { BMAP_ATTRFORK,    "ATTR" }

Definition at line 158 of file xfs_bmap.h.

#define XFS_BMAP_MAX_NMAP   4

Definition at line 62 of file xfs_bmap.h.

#define XFS_BMAP_TRACE_EXLIST	(		ip,
			c,
			w
	)

Definition at line 171 of file xfs_bmap.h.

#define XFS_BMAPI_ATTRFORK   0x004 /* use attribute fork not data */

Definition at line 69 of file xfs_bmap.h.

#define XFS_BMAPI_CONTIG   0x020 /* must allocate only one extent */

Definition at line 73 of file xfs_bmap.h.

#define XFS_BMAPI_CONVERT   0x040

Definition at line 79 of file xfs_bmap.h.

#define XFS_BMAPI_ENTIRE   0x001 /* return entire extent, not trimmed */

Definition at line 67 of file xfs_bmap.h.

#define XFS_BMAPI_FLAGS

Value:

{ XFS_BMAPI_ENTIRE, "ENTIRE" }, \
    { XFS_BMAPI_METADATA,   "METADATA" }, \
    { XFS_BMAPI_ATTRFORK,   "ATTRFORK" }, \
    { XFS_BMAPI_PREALLOC,   "PREALLOC" }, \
    { XFS_BMAPI_IGSTATE,    "IGSTATE" }, \
    { XFS_BMAPI_CONTIG, "CONTIG" }, \
    { XFS_BMAPI_CONVERT,    "CONVERT" }, \
    { XFS_BMAPI_STACK_SWITCH, "STACK_SWITCH" }

Definition at line 82 of file xfs_bmap.h.

#define XFS_BMAPI_IGSTATE   0x010 /* Ignore state - */

Definition at line 71 of file xfs_bmap.h.

#define XFS_BMAPI_METADATA   0x002 /* mapping metadata not user data */

Definition at line 68 of file xfs_bmap.h.

#define XFS_BMAPI_PREALLOC   0x008 /* preallocation op: unwritten space */

Definition at line 70 of file xfs_bmap.h.

#define XFS_BMAPI_STACK_SWITCH   0x080

Definition at line 80 of file xfs_bmap.h.

Typedef Documentation

typedef struct xfs_bmalloca xfs_bmalloca_t

typedef struct xfs_bmap_free_item xfs_bmap_free_item_t

typedef struct xfs_bmap_free xfs_bmap_free_t

Function Documentation

int xfs_bmap_add_attrfork	(	struct xfs_inode *	ip,
		int	size,
		int	rsvd
	)

void xfs_bmap_add_free	(	xfs_fsblock_t	bno,
		xfs_filblks_t	len,
		struct xfs_bmap_free *	flist,
		struct xfs_mount *	mp
	)

void xfs_bmap_cancel

(

struct xfs_bmap_free *

flist

)

Definition at line 3748 of file xfs_bmap.c.

void xfs_bmap_compute_maxlevels	(	struct xfs_mount *	mp,
		int	whichfork
	)

int xfs_bmap_first_unused	(	struct xfs_trans *	tp,
		struct xfs_inode *	ip,
		xfs_extlen_t	len,
		xfs_fileoff_t *	unused,
		int	whichfork
	)

int xfs_bmap_last_before	(	struct xfs_trans *	tp,
		struct xfs_inode *	ip,
		xfs_fileoff_t *	last_block,
		int	whichfork
	)

int xfs_bmap_last_offset	(	struct xfs_trans *	tp,
		struct xfs_inode *	ip,
		xfs_fileoff_t *	unused,
		int	whichfork
	)

Definition at line 3959 of file xfs_bmap.c.

int xfs_bmap_one_block	(	struct xfs_inode *	ip,
		int	whichfork
	)

int xfs_bmap_read_extents	(	struct xfs_trans *	tp,
		struct xfs_inode *	ip,
		int	whichfork
	)

int xfs_bmapi_delay	(	struct xfs_inode *	ip,
		xfs_fileoff_t	bno,
		xfs_filblks_t	len,
		struct xfs_bmbt_irec *	mval,
		int *	nmap,
		int	flags
	)

Definition at line 4541 of file xfs_bmap.c.

int xfs_bmapi_read	(	struct xfs_inode *	ip,
		xfs_fileoff_t	bno,
		xfs_filblks_t	len,
		struct xfs_bmbt_irec *	mval,
		int *	nmap,
		int	flags
	)

Definition at line 4345 of file xfs_bmap.c.

int xfs_bmapi_write	(	struct xfs_trans *	tp,
		struct xfs_inode *	ip,
		xfs_fileoff_t	bno,
		xfs_filblks_t	len,
		int	flags,
		xfs_fsblock_t *	firstblock,
		xfs_extlen_t	total,
		struct xfs_bmbt_irec *	mval,
		int *	nmap,
		struct xfs_bmap_free *	flist
	)

Definition at line 4854 of file xfs_bmap.c.

int xfs_bunmapi	(	struct xfs_trans *	tp,
		struct xfs_inode *	ip,
		xfs_fileoff_t	bno,
		xfs_filblks_t	len,
		int	flags,
		xfs_extnum_t	nexts,
		xfs_fsblock_t *	firstblock,
		struct xfs_bmap_free *	flist,
		int *	done
	)

int xfs_check_nostate_extents	(	struct xfs_ifork *	ifp,
		xfs_extnum_t	idx,
		xfs_extnum_t	num
	)

Definition at line 451 of file xfs_bmap_btree.c.

uint xfs_default_attroffset

(

struct xfs_inode *

ip

)

Definition at line 3170 of file xfs_bmap.c.

Variable Documentation

kmem_zone_t* xfs_bmap_free_item_zone

Definition at line 52 of file xfs_bmap.c.