]> git.karo-electronics.de Git - karo-tx-linux.git/blobdiff - fs/xfs/xfs_trans.h
Merge remote-tracking branch 'regulator/fix/ti-abb' into regulator-linus
[karo-tx-linux.git] / fs / xfs / xfs_trans.h
index 2b4946393e30f56655e55c782813778760846f79..09cf40b89e8c1d85817cc649b22a12c3ba97aa78 100644 (file)
 
 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
- * transaction, and contains the number of items logged by
- * the transaction so we know how many to expect during recovery.
- *
- * Do not change the below structure without redoing the code in
- * xlog_recover_add_to_trans() and xlog_recover_add_to_cont_trans().
- */
-typedef struct xfs_trans_header {
-       uint            th_magic;               /* magic number */
-       uint            th_type;                /* transaction type */
-       __int32_t       th_tid;                 /* transaction id (unused) */
-       uint            th_num_items;           /* num items logged by trans */
-} xfs_trans_header_t;
-
-#define        XFS_TRANS_HEADER_MAGIC  0x5452414e      /* TRAN */
-
-/*
- * Log item types.
- */
-#define        XFS_LI_EFI              0x1236
-#define        XFS_LI_EFD              0x1237
-#define        XFS_LI_IUNLINK          0x1238
-#define        XFS_LI_INODE            0x123b  /* aligned ino chunks, var-size ibufs */
-#define        XFS_LI_BUF              0x123c  /* v2 bufs, variable sized inode bufs */
-#define        XFS_LI_DQUOT            0x123d
-#define        XFS_LI_QUOTAOFF         0x123e
-#define        XFS_LI_ICREATE          0x123f
-
-#define XFS_LI_TYPE_DESC \
-       { XFS_LI_EFI,           "XFS_LI_EFI" }, \
-       { XFS_LI_EFD,           "XFS_LI_EFD" }, \
-       { XFS_LI_IUNLINK,       "XFS_LI_IUNLINK" }, \
-       { XFS_LI_INODE,         "XFS_LI_INODE" }, \
-       { XFS_LI_BUF,           "XFS_LI_BUF" }, \
-       { XFS_LI_DQUOT,         "XFS_LI_DQUOT" }, \
-       { XFS_LI_QUOTAOFF,      "XFS_LI_QUOTAOFF" }
-
-/*
- * Transaction types.  Used to distinguish types of buffers.
- */
-#define XFS_TRANS_SETATTR_NOT_SIZE     1
-#define XFS_TRANS_SETATTR_SIZE         2
-#define XFS_TRANS_INACTIVE             3
-#define XFS_TRANS_CREATE               4
-#define XFS_TRANS_CREATE_TRUNC         5
-#define XFS_TRANS_TRUNCATE_FILE                6
-#define XFS_TRANS_REMOVE               7
-#define XFS_TRANS_LINK                 8
-#define XFS_TRANS_RENAME               9
-#define XFS_TRANS_MKDIR                        10
-#define XFS_TRANS_RMDIR                        11
-#define XFS_TRANS_SYMLINK              12
-#define XFS_TRANS_SET_DMATTRS          13
-#define XFS_TRANS_GROWFS               14
-#define XFS_TRANS_STRAT_WRITE          15
-#define XFS_TRANS_DIOSTRAT             16
-/* 17 was XFS_TRANS_WRITE_SYNC */
-#define        XFS_TRANS_WRITEID               18
-#define        XFS_TRANS_ADDAFORK              19
-#define        XFS_TRANS_ATTRINVAL             20
-#define        XFS_TRANS_ATRUNCATE             21
-#define        XFS_TRANS_ATTR_SET              22
-#define        XFS_TRANS_ATTR_RM               23
-#define        XFS_TRANS_ATTR_FLAG             24
-#define        XFS_TRANS_CLEAR_AGI_BUCKET      25
-#define XFS_TRANS_QM_SBCHANGE          26
-/*
- * Dummy entries since we use the transaction type to index into the
- * trans_type[] in xlog_recover_print_trans_head()
- */
-#define XFS_TRANS_DUMMY1               27
-#define XFS_TRANS_DUMMY2               28
-#define XFS_TRANS_QM_QUOTAOFF          29
-#define XFS_TRANS_QM_DQALLOC           30
-#define XFS_TRANS_QM_SETQLIM           31
-#define XFS_TRANS_QM_DQCLUSTER         32
-#define XFS_TRANS_QM_QINOCREATE                33
-#define XFS_TRANS_QM_QUOTAOFF_END      34
-#define XFS_TRANS_SB_UNIT              35
-#define XFS_TRANS_FSYNC_TS             36
-#define        XFS_TRANS_GROWFSRT_ALLOC        37
-#define        XFS_TRANS_GROWFSRT_ZERO         38
-#define        XFS_TRANS_GROWFSRT_FREE         39
-#define        XFS_TRANS_SWAPEXT               40
-#define        XFS_TRANS_SB_COUNT              41
-#define        XFS_TRANS_CHECKPOINT            42
-#define        XFS_TRANS_ICREATE               43
-#define        XFS_TRANS_TYPE_MAX              43
-/* new transaction types need to be reflected in xfs_logprint(8) */
-
-#define XFS_TRANS_TYPES \
-       { XFS_TRANS_SETATTR_NOT_SIZE,   "SETATTR_NOT_SIZE" }, \
-       { XFS_TRANS_SETATTR_SIZE,       "SETATTR_SIZE" }, \
-       { XFS_TRANS_INACTIVE,           "INACTIVE" }, \
-       { XFS_TRANS_CREATE,             "CREATE" }, \
-       { XFS_TRANS_CREATE_TRUNC,       "CREATE_TRUNC" }, \
-       { XFS_TRANS_TRUNCATE_FILE,      "TRUNCATE_FILE" }, \
-       { XFS_TRANS_REMOVE,             "REMOVE" }, \
-       { XFS_TRANS_LINK,               "LINK" }, \
-       { XFS_TRANS_RENAME,             "RENAME" }, \
-       { XFS_TRANS_MKDIR,              "MKDIR" }, \
-       { XFS_TRANS_RMDIR,              "RMDIR" }, \
-       { XFS_TRANS_SYMLINK,            "SYMLINK" }, \
-       { XFS_TRANS_SET_DMATTRS,        "SET_DMATTRS" }, \
-       { XFS_TRANS_GROWFS,             "GROWFS" }, \
-       { XFS_TRANS_STRAT_WRITE,        "STRAT_WRITE" }, \
-       { XFS_TRANS_DIOSTRAT,           "DIOSTRAT" }, \
-       { XFS_TRANS_WRITEID,            "WRITEID" }, \
-       { XFS_TRANS_ADDAFORK,           "ADDAFORK" }, \
-       { XFS_TRANS_ATTRINVAL,          "ATTRINVAL" }, \
-       { XFS_TRANS_ATRUNCATE,          "ATRUNCATE" }, \
-       { XFS_TRANS_ATTR_SET,           "ATTR_SET" }, \
-       { XFS_TRANS_ATTR_RM,            "ATTR_RM" }, \
-       { XFS_TRANS_ATTR_FLAG,          "ATTR_FLAG" }, \
-       { XFS_TRANS_CLEAR_AGI_BUCKET,   "CLEAR_AGI_BUCKET" }, \
-       { XFS_TRANS_QM_SBCHANGE,        "QM_SBCHANGE" }, \
-       { XFS_TRANS_QM_QUOTAOFF,        "QM_QUOTAOFF" }, \
-       { XFS_TRANS_QM_DQALLOC,         "QM_DQALLOC" }, \
-       { XFS_TRANS_QM_SETQLIM,         "QM_SETQLIM" }, \
-       { XFS_TRANS_QM_DQCLUSTER,       "QM_DQCLUSTER" }, \
-       { XFS_TRANS_QM_QINOCREATE,      "QM_QINOCREATE" }, \
-       { XFS_TRANS_QM_QUOTAOFF_END,    "QM_QOFF_END" }, \
-       { XFS_TRANS_SB_UNIT,            "SB_UNIT" }, \
-       { XFS_TRANS_FSYNC_TS,           "FSYNC_TS" }, \
-       { XFS_TRANS_GROWFSRT_ALLOC,     "GROWFSRT_ALLOC" }, \
-       { XFS_TRANS_GROWFSRT_ZERO,      "GROWFSRT_ZERO" }, \
-       { XFS_TRANS_GROWFSRT_FREE,      "GROWFSRT_FREE" }, \
-       { XFS_TRANS_SWAPEXT,            "SWAPEXT" }, \
-       { XFS_TRANS_SB_COUNT,           "SB_COUNT" }, \
-       { XFS_TRANS_CHECKPOINT,         "CHECKPOINT" }, \
-       { XFS_TRANS_DUMMY1,             "DUMMY1" }, \
-       { XFS_TRANS_DUMMY2,             "DUMMY2" }, \
-       { XLOG_UNMOUNT_REC_TYPE,        "UNMOUNT" }
-
-/*
- * This structure is used to track log items associated with
- * a transaction.  It points to the log item and keeps some
- * flags to track the state of the log item.  It also tracks
- * the amount of space needed to log the item it describes
- * once we get to commit processing (see xfs_trans_commit()).
- */
-struct xfs_log_item_desc {
-       struct xfs_log_item     *lid_item;
-       struct list_head        lid_trans;
-       unsigned char           lid_flags;
-};
-
-#define XFS_LID_DIRTY          0x1
-
-#define        XFS_TRANS_MAGIC         0x5452414E      /* 'TRAN' */
-/*
- * Values for t_flags.
- */
-#define        XFS_TRANS_DIRTY         0x01    /* something needs to be logged */
-#define        XFS_TRANS_SB_DIRTY      0x02    /* superblock is modified */
-#define        XFS_TRANS_PERM_LOG_RES  0x04    /* xact took a permanent log res */
-#define        XFS_TRANS_SYNC          0x08    /* make commit synchronous */
-#define XFS_TRANS_DQ_DIRTY     0x10    /* at least one dquot in trx dirty */
-#define XFS_TRANS_RESERVE      0x20    /* OK to use reserved data blocks */
-#define XFS_TRANS_FREEZE_PROT  0x40    /* Transaction has elevated writer
-                                          count in superblock */
-
-/*
- * Values for call flags parameter.
- */
-#define        XFS_TRANS_RELEASE_LOG_RES       0x4
-#define        XFS_TRANS_ABORT                 0x8
-
-/*
- * Field values for xfs_trans_mod_sb.
- */
-#define        XFS_TRANS_SB_ICOUNT             0x00000001
-#define        XFS_TRANS_SB_IFREE              0x00000002
-#define        XFS_TRANS_SB_FDBLOCKS           0x00000004
-#define        XFS_TRANS_SB_RES_FDBLOCKS       0x00000008
-#define        XFS_TRANS_SB_FREXTENTS          0x00000010
-#define        XFS_TRANS_SB_RES_FREXTENTS      0x00000020
-#define        XFS_TRANS_SB_DBLOCKS            0x00000040
-#define        XFS_TRANS_SB_AGCOUNT            0x00000080
-#define        XFS_TRANS_SB_IMAXPCT            0x00000100
-#define        XFS_TRANS_SB_REXTSIZE           0x00000200
-#define        XFS_TRANS_SB_RBMBLOCKS          0x00000400
-#define        XFS_TRANS_SB_RBLOCKS            0x00000800
-#define        XFS_TRANS_SB_REXTENTS           0x00001000
-#define        XFS_TRANS_SB_REXTSLOG           0x00002000
-
-
-/*
- * Per-extent log reservation for the allocation btree changes
- * involved in freeing or allocating an extent.
- * 2 trees * (2 blocks/level * max depth - 1)
- */
-#define        XFS_ALLOCFREE_LOG_COUNT(mp,nx) \
-       ((nx) * (2 * (2 * XFS_AG_MAXLEVELS(mp) - 1)))
-
-/*
- * Per-directory log reservation for any directory change.
- * dir blocks: (1 btree block per level + data block + free block)
- * bmap btree: (levels + 2) * max depth
- * v2 directory blocks can be fragmented below the dirblksize down to the fsb
- * size, so account for that in the DAENTER macros.
- */
-#define        XFS_DIROP_LOG_COUNT(mp) \
-       (XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK) + \
-        XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1)
-
+#include "xfs_trans_resv.h"
 
-#define        XFS_WRITE_LOG_RES(mp)   ((mp)->m_reservations.tr_write)
-#define        XFS_ITRUNCATE_LOG_RES(mp)   ((mp)->m_reservations.tr_itruncate)
-#define        XFS_RENAME_LOG_RES(mp)  ((mp)->m_reservations.tr_rename)
-#define        XFS_LINK_LOG_RES(mp)    ((mp)->m_reservations.tr_link)
-#define        XFS_REMOVE_LOG_RES(mp)  ((mp)->m_reservations.tr_remove)
-#define        XFS_SYMLINK_LOG_RES(mp) ((mp)->m_reservations.tr_symlink)
-#define        XFS_CREATE_LOG_RES(mp)  ((mp)->m_reservations.tr_create)
-#define        XFS_MKDIR_LOG_RES(mp)   ((mp)->m_reservations.tr_mkdir)
-#define        XFS_IFREE_LOG_RES(mp)   ((mp)->m_reservations.tr_ifree)
-#define        XFS_ICHANGE_LOG_RES(mp) ((mp)->m_reservations.tr_ichange)
-#define        XFS_GROWDATA_LOG_RES(mp)    ((mp)->m_reservations.tr_growdata)
-#define        XFS_GROWRTALLOC_LOG_RES(mp)     ((mp)->m_reservations.tr_growrtalloc)
-#define        XFS_GROWRTZERO_LOG_RES(mp)      ((mp)->m_reservations.tr_growrtzero)
-#define        XFS_GROWRTFREE_LOG_RES(mp)      ((mp)->m_reservations.tr_growrtfree)
-#define        XFS_SWRITE_LOG_RES(mp)  ((mp)->m_reservations.tr_swrite)
-/*
- * Logging the inode timestamps on an fsync -- same as SWRITE
- * as long as SWRITE logs the entire inode core
- */
-#define XFS_FSYNC_TS_LOG_RES(mp)        ((mp)->m_reservations.tr_swrite)
-#define        XFS_WRITEID_LOG_RES(mp)         ((mp)->m_reservations.tr_swrite)
-#define        XFS_ADDAFORK_LOG_RES(mp)        ((mp)->m_reservations.tr_addafork)
-#define        XFS_ATTRINVAL_LOG_RES(mp)       ((mp)->m_reservations.tr_attrinval)
-#define        XFS_ATTRSETM_LOG_RES(mp)        ((mp)->m_reservations.tr_attrsetm)
-#define XFS_ATTRSETRT_LOG_RES(mp)      ((mp)->m_reservations.tr_attrsetrt)
-#define        XFS_ATTRRM_LOG_RES(mp)          ((mp)->m_reservations.tr_attrrm)
-#define        XFS_CLEAR_AGI_BUCKET_LOG_RES(mp)  ((mp)->m_reservations.tr_clearagi)
-#define XFS_QM_SBCHANGE_LOG_RES(mp)    ((mp)->m_reservations.tr_qm_sbchange)
-#define XFS_QM_SETQLIM_LOG_RES(mp)     ((mp)->m_reservations.tr_qm_setqlim)
-#define XFS_QM_DQALLOC_LOG_RES(mp)     ((mp)->m_reservations.tr_qm_dqalloc)
-#define XFS_QM_QUOTAOFF_LOG_RES(mp)    ((mp)->m_reservations.tr_qm_quotaoff)
-#define XFS_QM_QUOTAOFF_END_LOG_RES(mp)        ((mp)->m_reservations.tr_qm_equotaoff)
-#define XFS_SB_LOG_RES(mp)             ((mp)->m_reservations.tr_sb)
-
-/*
- * Various log count values.
- */
-#define        XFS_DEFAULT_LOG_COUNT           1
-#define        XFS_DEFAULT_PERM_LOG_COUNT      2
-#define        XFS_ITRUNCATE_LOG_COUNT         2
-#define XFS_INACTIVE_LOG_COUNT         2
-#define        XFS_CREATE_LOG_COUNT            2
-#define        XFS_MKDIR_LOG_COUNT             3
-#define        XFS_SYMLINK_LOG_COUNT           3
-#define        XFS_REMOVE_LOG_COUNT            2
-#define        XFS_LINK_LOG_COUNT              2
-#define        XFS_RENAME_LOG_COUNT            2
-#define        XFS_WRITE_LOG_COUNT             2
-#define        XFS_ADDAFORK_LOG_COUNT          2
-#define        XFS_ATTRINVAL_LOG_COUNT         1
-#define        XFS_ATTRSET_LOG_COUNT           3
-#define        XFS_ATTRRM_LOG_COUNT            3
-
-/*
- * Here we centralize the specification of XFS meta-data buffer
- * reference count values.  This determine how hard the buffer
- * cache tries to hold onto the buffer.
- */
-#define        XFS_AGF_REF             4
-#define        XFS_AGI_REF             4
-#define        XFS_AGFL_REF            3
-#define        XFS_INO_BTREE_REF       3
-#define        XFS_ALLOC_BTREE_REF     2
-#define        XFS_BMAP_BTREE_REF      2
-#define        XFS_DIR_BTREE_REF       2
-#define        XFS_INO_REF             2
-#define        XFS_ATTR_BTREE_REF      1
-#define        XFS_DQUOT_REF           1
-
-#ifdef __KERNEL__
+/* kernel only transaction subsystem defines */
 
 struct xfs_buf;
 struct xfs_buftarg;
@@ -310,6 +34,7 @@ struct xfs_log_iovec;
 struct xfs_log_item_desc;
 struct xfs_mount;
 struct xfs_trans;
+struct xfs_trans_res;
 struct xfs_dquot_acct;
 struct xfs_busy_extent;
 
@@ -342,7 +67,7 @@ typedef struct xfs_log_item {
        { XFS_LI_ABORTED,       "ABORTED" }
 
 struct xfs_item_ops {
-       uint (*iop_size)(xfs_log_item_t *);
+       void (*iop_size)(xfs_log_item_t *, int *, int *);
        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 remove);
@@ -352,17 +77,8 @@ struct xfs_item_ops {
        void (*iop_committing)(xfs_log_item_t *, xfs_lsn_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, remove)  (*(ip)->li_ops->iop_unpin)(ip, remove)
-#define IOP_PUSH(ip, list)     (*(ip)->li_ops->iop_push)(ip, list)
-#define IOP_UNLOCK(ip)         (*(ip)->li_ops->iop_unlock)(ip)
-#define IOP_COMMITTED(ip, lsn) (*(ip)->li_ops->iop_committed)(ip, lsn)
-#define IOP_COMMITTING(ip, lsn) (*(ip)->li_ops->iop_committing)(ip, lsn)
-
 /*
- * Return values for the IOP_PUSH() routines.
+ * Return values for the iop_push() routines.
  */
 #define XFS_ITEM_SUCCESS       0
 #define XFS_ITEM_PINNED                1
@@ -446,7 +162,7 @@ typedef struct xfs_trans {
 xfs_trans_t    *xfs_trans_alloc(struct xfs_mount *, uint);
 xfs_trans_t    *_xfs_trans_alloc(struct xfs_mount *, uint, xfs_km_flags_t);
 xfs_trans_t    *xfs_trans_dup(xfs_trans_t *);
-int            xfs_trans_reserve(xfs_trans_t *, uint, uint, uint,
+int            xfs_trans_reserve(struct xfs_trans *, struct xfs_trans_res *,
                                  uint, uint);
 void           xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t);
 
@@ -528,9 +244,4 @@ void                xfs_trans_ail_destroy(struct xfs_mount *);
 extern kmem_zone_t     *xfs_trans_zone;
 extern kmem_zone_t     *xfs_log_item_desc_zone;
 
-#endif /* __KERNEL__ */
-
-void           xfs_trans_init(struct xfs_mount *);
-int            xfs_trans_roll(struct xfs_trans **, struct xfs_inode *);
-
 #endif /* __XFS_TRANS_H__ */