Return to xfs_dquot_item.h CVS log

Up to [Development] / xfs-linux-nodel

Log item definitions for quotas

#ifndef __XFS_DQUOT_ITEM_H__
#define __XFS_DQUOT_ITEM_H__

#ident "$Revision: 1.1 $"

/*
 * These are the structures used to lay out dquots and quotaoff
 * records on the log. Quite similar to those of inodes.
 */
struct xfs_dquot;
struct xfs_trans;
struct xfs_mount;

/*
 * log format struct for dquots.
 * The first two fields must be the type and size fitting into
 * 32 bits : log_recovery code assumes that.
 */
typedef struct xfs_dq_logformat {
	__uint16_t		qlf_type;      /* dquot log item type */
	__uint16_t		qlf_size;      /* size of this item */
	xfs_dqid_t		qlf_id;	       /* usr/proj id number : 32 bits */
	__int64_t		qlf_blkno;     /* blkno of dquot buffer */
	__int32_t		qlf_len;       /* len of dquot buffer */
	__uint32_t		qlf_boffset;   /* off of dquot in buffer */
} xfs_dq_logformat_t;

typedef struct xfs_dq_logitem {
	xfs_log_item_t		 qli_item;	   /* common portion */
	struct xfs_dquot	*qli_dquot;	   /* dquot ptr */
	xfs_lsn_t		 qli_flush_lsn;	   /* lsn at last flush */
	unsigned short           qli_pushbuf_flag; /* one bit used in push_ail */
#ifdef DEBUG
	uint64_t                 qli_push_owner;
#endif
	xfs_dq_logformat_t	 qli_format;	   /* logged structure */
} xfs_dq_logitem_t;


/*
 * log format struct for QUOTAOFF records.
 * The first two fields must be the type and size fitting into
 * 32 bits : log_recovery code assumes that.
 * We write two LI_QUOTAOFF logitems per quotaoff, the last one keeps a pointer
 * to the first and ensures that the first logitem is taken out of the AIL
 * only when the last one is securely committed.
 */	
typedef struct xfs_qoff_logformat {
	unsigned short		qf_type;	/* quotaoff log item type */
	unsigned short		qf_size;	/* size of this item */
	unsigned int		qf_flags;	/* USR and/or PRJ */
	char			qf_pad[12];	/* padding for future */
} xfs_qoff_logformat_t;

typedef struct xfs_qoff_logitem {
	xfs_log_item_t		 qql_item;	/* common portion */
	struct xfs_qoff_logitem	*qql_start_lip;	/* qoff-start logitem, if any */
	xfs_qoff_logformat_t	 qql_format;	/* logged structure */
} xfs_qoff_logitem_t;


extern void		   xfs_qm_dquot_logitem_init(struct xfs_dquot *);
extern xfs_qoff_logitem_t *xfs_qm_qoff_logitem_init(struct xfs_mount *, 
						    xfs_qoff_logitem_t *, uint);
extern xfs_qoff_logitem_t *xfs_trans_get_qoff_item(struct xfs_trans *, 
						   xfs_qoff_logitem_t *, uint);
extern void		   xfs_trans_log_quotaoff_item(struct xfs_trans *,
						       xfs_qoff_logitem_t *);
#endif