[XFS] Sync up kernel and user-space headers

SGI-PV: 986558

SGI-Modid: xfs-linux-melb:xfs-kern:32231a

Signed-off-by: Barry Naujok <bnaujok@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>

1 files changed, 156 insertions, 161 deletions

diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 74c80bd2b0ec..1d89d50a5b99 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -18,6 +18,8 @@
 #ifndef __XFS_TRANS_H__
 #define __XFS_TRANS_H__
 
+struct xfs_log_item;
+
 /*
  * This is the structure written in the log at the head of
  * every transaction. It identifies the type and id of the
@@ -98,76 +100,6 @@ typedef struct xfs_trans_header {
 #define XFS_TRANS_TYPE_MAX              41
 /* new transaction types need to be reflected in xfs_logprint(8) */
 
-
-#ifdef __KERNEL__
-struct xfs_buf;
-struct xfs_buftarg;
-struct xfs_efd_log_item;
-struct xfs_efi_log_item;
-struct xfs_inode;
-struct xfs_item_ops;
-struct xfs_log_iovec;
-struct xfs_log_item;
-struct xfs_log_item_desc;
-struct xfs_mount;
-struct xfs_trans;
-struct xfs_dquot_acct;
-
-typedef struct xfs_log_item {
-        struct list_head                li_ail;         /* AIL pointers */
-        xfs_lsn_t                       li_lsn;         /* last on-disk lsn */
-        struct xfs_log_item_desc        *li_desc;       /* ptr to current desc*/
-        struct xfs_mount                *li_mountp;     /* ptr to fs mount */
-        uint                            li_type;        /* item type */
-        uint                            li_flags;       /* misc flags */
-        struct xfs_log_item             *li_bio_list;   /* buffer item list */
-        void                            (*li_cb)(struct xfs_buf *,
-                                                 struct xfs_log_item *);
-                                                        /* buffer item iodone */
-                                                        /* callback func */
-        struct xfs_item_ops             *li_ops;        /* function list */
-} xfs_log_item_t;
-
-#define XFS_LI_IN_AIL   0x1
-#define XFS_LI_ABORTED  0x2
-
-typedef struct xfs_item_ops {
-        uint (*iop_size)(xfs_log_item_t *);
-        void (*iop_format)(xfs_log_item_t *, struct xfs_log_iovec *);
-        void (*iop_pin)(xfs_log_item_t *);
-        void (*iop_unpin)(xfs_log_item_t *, int);
-        void (*iop_unpin_remove)(xfs_log_item_t *, struct xfs_trans *);
-        uint (*iop_trylock)(xfs_log_item_t *);
-        void (*iop_unlock)(xfs_log_item_t *);
-        xfs_lsn_t (*iop_committed)(xfs_log_item_t *, xfs_lsn_t);
-        void (*iop_push)(xfs_log_item_t *);
-        void (*iop_pushbuf)(xfs_log_item_t *);
-        void (*iop_committing)(xfs_log_item_t *, xfs_lsn_t);
-} xfs_item_ops_t;
-
-#define IOP_SIZE(ip)            (*(ip)->li_ops->iop_size)(ip)
-#define IOP_FORMAT(ip,vp)       (*(ip)->li_ops->iop_format)(ip, vp)
-#define IOP_PIN(ip)             (*(ip)->li_ops->iop_pin)(ip)
-#define IOP_UNPIN(ip, flags)    (*(ip)->li_ops->iop_unpin)(ip, flags)
-#define IOP_UNPIN_REMOVE(ip,tp) (*(ip)->li_ops->iop_unpin_remove)(ip, tp)
-#define IOP_TRYLOCK(ip)         (*(ip)->li_ops->iop_trylock)(ip)
-#define IOP_UNLOCK(ip)          (*(ip)->li_ops->iop_unlock)(ip)
-#define IOP_COMMITTED(ip, lsn)  (*(ip)->li_ops->iop_committed)(ip, lsn)
-#define IOP_PUSH(ip)            (*(ip)->li_ops->iop_push)(ip)
-#define IOP_PUSHBUF(ip)         (*(ip)->li_ops->iop_pushbuf)(ip)
-#define IOP_COMMITTING(ip, lsn) (*(ip)->li_ops->iop_committing)(ip, lsn)
-
-/*
- * Return values for the IOP_TRYLOCK() routines.
- */
-#define XFS_ITEM_SUCCESS        0
-#define XFS_ITEM_PINNED         1
-#define XFS_ITEM_LOCKED         2
-#define XFS_ITEM_FLUSHING       3
-#define XFS_ITEM_PUSHBUF        4
-
-#endif  /* __KERNEL__ */
-
 /*
  * This structure is used to track log items associated with
  * a transaction.  It points to the log item and keeps some
@@ -176,7 +108,7 @@ typedef struct xfs_item_ops {
  * once we get to commit processing (see xfs_trans_commit()).
  */
 typedef struct xfs_log_item_desc {
-        xfs_log_item_t  *lid_item;
+        struct xfs_log_item     *lid_item;
         ushort          lid_size;
         unsigned char   lid_flags;
         unsigned char   lid_index;
@@ -276,94 +208,6 @@ xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp)
                 (xfs_caddr_t)(((xfs_log_item_chunk_t*)0)->lic_descs));
 }
 
-#ifdef __KERNEL__
-/*
- * This structure is used to maintain a list of block ranges that have been
- * freed in the transaction.  The ranges are listed in the perag[] busy list
- * between when they're freed and the transaction is committed to disk.
- */
-
-typedef struct xfs_log_busy_slot {
-        xfs_agnumber_t          lbc_ag;
-        ushort                  lbc_idx;        /* index in perag.busy[] */
-} xfs_log_busy_slot_t;
-
-#define XFS_LBC_NUM_SLOTS       31
-typedef struct xfs_log_busy_chunk {
-        struct xfs_log_busy_chunk       *lbc_next;
-        uint                            lbc_free;       /* free slots bitmask */
-        ushort                          lbc_unused;     /* first unused */
-        xfs_log_busy_slot_t             lbc_busy[XFS_LBC_NUM_SLOTS];
-} xfs_log_busy_chunk_t;
-
-#define XFS_LBC_MAX_SLOT        (XFS_LBC_NUM_SLOTS - 1)
-#define XFS_LBC_FREEMASK        ((1U << XFS_LBC_NUM_SLOTS) - 1)
-
-#define XFS_LBC_INIT(cp)        ((cp)->lbc_free = XFS_LBC_FREEMASK)
-#define XFS_LBC_CLAIM(cp, slot) ((cp)->lbc_free &= ~(1 << (slot)))
-#define XFS_LBC_SLOT(cp, slot)  (&((cp)->lbc_busy[(slot)]))
-#define XFS_LBC_VACANCY(cp)     (((cp)->lbc_free) & XFS_LBC_FREEMASK)
-#define XFS_LBC_ISFREE(cp, slot) ((cp)->lbc_free & (1 << (slot)))
-
-/*
- * This is the type of function which can be given to xfs_trans_callback()
- * to be called upon the transaction's commit to disk.
- */
-typedef void (*xfs_trans_callback_t)(struct xfs_trans *, void *);
-
-/*
- * This is the structure maintained for every active transaction.
- */
-typedef struct xfs_trans {
-        unsigned int            t_magic;        /* magic number */
-        xfs_log_callback_t      t_logcb;        /* log callback struct */
-        unsigned int            t_type;         /* transaction type */
-        unsigned int            t_log_res;      /* amt of log space resvd */
-        unsigned int            t_log_count;    /* count for perm log res */
-        unsigned int            t_blk_res;      /* # of blocks resvd */
-        unsigned int            t_blk_res_used; /* # of resvd blocks used */
-        unsigned int            t_rtx_res;      /* # of rt extents resvd */
-        unsigned int            t_rtx_res_used; /* # of resvd rt extents used */
-        xfs_log_ticket_t        t_ticket;       /* log mgr ticket */
-        xfs_lsn_t               t_lsn;          /* log seq num of start of
-                                                 * transaction. */
-        xfs_lsn_t               t_commit_lsn;   /* log seq num of end of
-                                                 * transaction. */
-        struct xfs_mount        *t_mountp;      /* ptr to fs mount struct */
-        struct xfs_dquot_acct   *t_dqinfo;      /* acctg info for dquots */
-        xfs_trans_callback_t    t_callback;     /* transaction callback */
-        void                    *t_callarg;     /* callback arg */
-        unsigned int            t_flags;        /* misc flags */
-        int64_t                 t_icount_delta; /* superblock icount change */
-        int64_t                 t_ifree_delta;  /* superblock ifree change */
-        int64_t                 t_fdblocks_delta; /* superblock fdblocks chg */
-        int64_t                 t_res_fdblocks_delta; /* on-disk only chg */
-        int64_t                 t_frextents_delta;/* superblock freextents chg*/
-        int64_t                 t_res_frextents_delta; /* on-disk only chg */
-#ifdef DEBUG
-        int64_t                 t_ag_freeblks_delta; /* debugging counter */
-        int64_t                 t_ag_flist_delta; /* debugging counter */
-        int64_t                 t_ag_btree_delta; /* debugging counter */
-#endif
-        int64_t                 t_dblocks_delta;/* superblock dblocks change */
-        int64_t                 t_agcount_delta;/* superblock agcount change */
-        int64_t                 t_imaxpct_delta;/* superblock imaxpct change */
-        int64_t                 t_rextsize_delta;/* superblock rextsize chg */
-        int64_t                 t_rbmblocks_delta;/* superblock rbmblocks chg */
-        int64_t                 t_rblocks_delta;/* superblock rblocks change */
-        int64_t                 t_rextents_delta;/* superblocks rextents chg */
-        int64_t                 t_rextslog_delta;/* superblocks rextslog chg */
-        unsigned int            t_items_free;   /* log item descs free */
-        xfs_log_item_chunk_t    t_items;        /* first log item desc chunk */
-        xfs_trans_header_t      t_header;       /* header for in-log trans */
-        unsigned int            t_busy_free;    /* busy descs free */
-        xfs_log_busy_chunk_t    t_busy;         /* busy/async free blocks */
-        unsigned long           t_pflags;       /* saved process flags state */
-} xfs_trans_t;
-
-#endif  /* __KERNEL__ */
-
-
 #define XFS_TRANS_MAGIC         0x5452414E      /* 'TRAN' */
 /*
  * Values for t_flags.
@@ -906,6 +750,156 @@ typedef struct xfs_trans {
 #define XFS_DQUOT_REF           1
 
 #ifdef __KERNEL__
+
+struct xfs_buf;
+struct xfs_buftarg;
+struct xfs_efd_log_item;
+struct xfs_efi_log_item;
+struct xfs_inode;
+struct xfs_item_ops;
+struct xfs_log_iovec;
+struct xfs_log_item_desc;
+struct xfs_mount;
+struct xfs_trans;
+struct xfs_dquot_acct;
+
+typedef struct xfs_log_item {
+        struct list_head                li_ail;         /* AIL pointers */
+        xfs_lsn_t                       li_lsn;         /* last on-disk lsn */
+        struct xfs_log_item_desc        *li_desc;       /* ptr to current desc*/
+        struct xfs_mount                *li_mountp;     /* ptr to fs mount */
+        uint                            li_type;        /* item type */
+        uint                            li_flags;       /* misc flags */
+        struct xfs_log_item             *li_bio_list;   /* buffer item list */
+        void                            (*li_cb)(struct xfs_buf *,
+                                                 struct xfs_log_item *);
+                                                        /* buffer item iodone */
+                                                        /* callback func */
+        struct xfs_item_ops             *li_ops;        /* function list */
+} xfs_log_item_t;
+
+#define XFS_LI_IN_AIL   0x1
+#define XFS_LI_ABORTED  0x2
+
+typedef struct xfs_item_ops {
+        uint (*iop_size)(xfs_log_item_t *);
+        void (*iop_format)(xfs_log_item_t *, struct xfs_log_iovec *);
+        void (*iop_pin)(xfs_log_item_t *);
+        void (*iop_unpin)(xfs_log_item_t *, int);
+        void (*iop_unpin_remove)(xfs_log_item_t *, struct xfs_trans *);
+        uint (*iop_trylock)(xfs_log_item_t *);
+        void (*iop_unlock)(xfs_log_item_t *);
+        xfs_lsn_t (*iop_committed)(xfs_log_item_t *, xfs_lsn_t);
+        void (*iop_push)(xfs_log_item_t *);
+        void (*iop_pushbuf)(xfs_log_item_t *);
+        void (*iop_committing)(xfs_log_item_t *, xfs_lsn_t);
+} xfs_item_ops_t;
+
+#define IOP_SIZE(ip)            (*(ip)->li_ops->iop_size)(ip)
+#define IOP_FORMAT(ip,vp)       (*(ip)->li_ops->iop_format)(ip, vp)
+#define IOP_PIN(ip)             (*(ip)->li_ops->iop_pin)(ip)
+#define IOP_UNPIN(ip, flags)    (*(ip)->li_ops->iop_unpin)(ip, flags)
+#define IOP_UNPIN_REMOVE(ip,tp) (*(ip)->li_ops->iop_unpin_remove)(ip, tp)
+#define IOP_TRYLOCK(ip)         (*(ip)->li_ops->iop_trylock)(ip)
+#define IOP_UNLOCK(ip)          (*(ip)->li_ops->iop_unlock)(ip)
+#define IOP_COMMITTED(ip, lsn)  (*(ip)->li_ops->iop_committed)(ip, lsn)
+#define IOP_PUSH(ip)            (*(ip)->li_ops->iop_push)(ip)
+#define IOP_PUSHBUF(ip)         (*(ip)->li_ops->iop_pushbuf)(ip)
+#define IOP_COMMITTING(ip, lsn) (*(ip)->li_ops->iop_committing)(ip, lsn)
+
+/*
+ * Return values for the IOP_TRYLOCK() routines.
+ */
+#define XFS_ITEM_SUCCESS        0
+#define XFS_ITEM_PINNED         1
+#define XFS_ITEM_LOCKED         2
+#define XFS_ITEM_FLUSHING       3
+#define XFS_ITEM_PUSHBUF        4
+
+/*
+ * This structure is used to maintain a list of block ranges that have been
+ * freed in the transaction.  The ranges are listed in the perag[] busy list
+ * between when they're freed and the transaction is committed to disk.
+ */
+
+typedef struct xfs_log_busy_slot {
+        xfs_agnumber_t          lbc_ag;
+        ushort                  lbc_idx;        /* index in perag.busy[] */
+} xfs_log_busy_slot_t;
+
+#define XFS_LBC_NUM_SLOTS       31
+typedef struct xfs_log_busy_chunk {
+        struct xfs_log_busy_chunk       *lbc_next;
+        uint                            lbc_free;       /* free slots bitmask */
+        ushort                          lbc_unused;     /* first unused */
+        xfs_log_busy_slot_t             lbc_busy[XFS_LBC_NUM_SLOTS];
+} xfs_log_busy_chunk_t;
+
+#define XFS_LBC_MAX_SLOT        (XFS_LBC_NUM_SLOTS - 1)
+#define XFS_LBC_FREEMASK        ((1U << XFS_LBC_NUM_SLOTS) - 1)
+
+#define XFS_LBC_INIT(cp)        ((cp)->lbc_free = XFS_LBC_FREEMASK)
+#define XFS_LBC_CLAIM(cp, slot) ((cp)->lbc_free &= ~(1 << (slot)))
+#define XFS_LBC_SLOT(cp, slot)  (&((cp)->lbc_busy[(slot)]))
+#define XFS_LBC_VACANCY(cp)     (((cp)->lbc_free) & XFS_LBC_FREEMASK)
+#define XFS_LBC_ISFREE(cp, slot) ((cp)->lbc_free & (1 << (slot)))
+
+/*
+ * This is the type of function which can be given to xfs_trans_callback()
+ * to be called upon the transaction's commit to disk.
+ */
+typedef void (*xfs_trans_callback_t)(struct xfs_trans *, void *);
+
+/*
+ * This is the structure maintained for every active transaction.
+ */
+typedef struct xfs_trans {
+        unsigned int            t_magic;        /* magic number */
+        xfs_log_callback_t      t_logcb;        /* log callback struct */
+        unsigned int            t_type;         /* transaction type */
+        unsigned int            t_log_res;      /* amt of log space resvd */
+        unsigned int            t_log_count;    /* count for perm log res */
+        unsigned int            t_blk_res;      /* # of blocks resvd */
+        unsigned int            t_blk_res_used; /* # of resvd blocks used */
+        unsigned int            t_rtx_res;      /* # of rt extents resvd */
+        unsigned int            t_rtx_res_used; /* # of resvd rt extents used */
+        xfs_log_ticket_t        t_ticket;       /* log mgr ticket */
+        xfs_lsn_t               t_lsn;          /* log seq num of start of
+                                                 * transaction. */
+        xfs_lsn_t               t_commit_lsn;   /* log seq num of end of
+                                                 * transaction. */
+        struct xfs_mount        *t_mountp;      /* ptr to fs mount struct */
+        struct xfs_dquot_acct   *t_dqinfo;      /* acctg info for dquots */
+        xfs_trans_callback_t    t_callback;     /* transaction callback */
+        void                    *t_callarg;     /* callback arg */
+        unsigned int            t_flags;        /* misc flags */
+        int64_t                 t_icount_delta; /* superblock icount change */
+        int64_t                 t_ifree_delta;  /* superblock ifree change */
+        int64_t                 t_fdblocks_delta; /* superblock fdblocks chg */
+        int64_t                 t_res_fdblocks_delta; /* on-disk only chg */
+        int64_t                 t_frextents_delta;/* superblock freextents chg*/
+        int64_t                 t_res_frextents_delta; /* on-disk only chg */
+#ifdef DEBUG
+        int64_t                 t_ag_freeblks_delta; /* debugging counter */
+        int64_t                 t_ag_flist_delta; /* debugging counter */
+        int64_t                 t_ag_btree_delta; /* debugging counter */
+#endif
+        int64_t                 t_dblocks_delta;/* superblock dblocks change */
+        int64_t                 t_agcount_delta;/* superblock agcount change */
+        int64_t                 t_imaxpct_delta;/* superblock imaxpct change */
+        int64_t                 t_rextsize_delta;/* superblock rextsize chg */
+        int64_t                 t_rbmblocks_delta;/* superblock rbmblocks chg */
+        int64_t                 t_rblocks_delta;/* superblock rblocks change */
+        int64_t                 t_rextents_delta;/* superblocks rextents chg */
+        int64_t                 t_rextslog_delta;/* superblocks rextslog chg */
+        unsigned int            t_items_free;   /* log item descs free */
+        xfs_log_item_chunk_t    t_items;        /* first log item desc chunk */
+        xfs_trans_header_t      t_header;       /* header for in-log trans */
+        unsigned int            t_busy_free;    /* busy descs free */
+        xfs_log_busy_chunk_t    t_busy;         /* busy/async free blocks */
+        unsigned long           t_pflags;       /* saved process flags state */
+} xfs_trans_t;
+
 /*
  * XFS transaction mechanism exported interfaces that are
  * actually macros.
@@ -928,7 +922,6 @@ typedef struct xfs_trans {
 /*
  * XFS transaction mechanism exported interfaces.
  */
-void            xfs_trans_init(struct xfs_mount *);
 xfs_trans_t     *xfs_trans_alloc(struct xfs_mount *, uint);
 xfs_trans_t     *_xfs_trans_alloc(struct xfs_mount *, uint);
 xfs_trans_t     *xfs_trans_dup(xfs_trans_t *);
@@ -975,7 +968,6 @@ int		_xfs_trans_commit(xfs_trans_t *,
                                   int *);
 #define xfs_trans_commit(tp, flags)     _xfs_trans_commit(tp, flags, NULL)
 void            xfs_trans_cancel(xfs_trans_t *, int);
-int             xfs_trans_roll(struct xfs_trans **, struct xfs_inode *);
 int             xfs_trans_ail_init(struct xfs_mount *);
 void            xfs_trans_ail_destroy(struct xfs_mount *);
 void            xfs_trans_push_ail(struct xfs_mount *, xfs_lsn_t);
@@ -990,4 +982,7 @@ extern kmem_zone_t	*xfs_trans_zone;
 
 #endif  /* __KERNEL__ */
 
+void            xfs_trans_init(struct xfs_mount *);
+int             xfs_trans_roll(struct xfs_trans **, struct xfs_inode *);
+
 #endif  /* __XFS_TRANS_H__ */