xfs_metadump.h \
xfs_quota_defs.h \
xfs_sb.h \
+ xfs_shared.h \
xfs_trace.h \
xfs_trans_resv.h \
xfs_trans_space.h
#include <xfs/xfs_fs.h>
#include <xfs/xfs_arch.h>
+#include <xfs/xfs_shared.h>
#include <xfs/xfs_format.h>
#include <xfs/xfs_log_format.h>
#include <xfs/xfs_quota_defs.h>
extern int xfs_read_agf(struct xfs_mount *mp, struct xfs_trans *tp,
xfs_agnumber_t agno, int flags, struct xfs_buf **bpp);
-extern const struct xfs_buf_ops xfs_agf_buf_ops;
-
/*
* Size of the unlinked inode hash table in the agi.
*/
extern int xfs_read_agi(struct xfs_mount *mp, struct xfs_trans *tp,
xfs_agnumber_t agno, struct xfs_buf **bpp);
-extern const struct xfs_buf_ops xfs_agi_buf_ops;
-
/*
* The third a.g. block contains the a.g. freelist, an array
* of block pointers to blocks owned by the allocation btree code.
xfs_extlen_t *len, /* output: length of extent */
int *stat); /* output: success/failure */
-extern const struct xfs_buf_ops xfs_agf_buf_ops;
-extern const struct xfs_buf_ops xfs_agfl_buf_ops;
-
#endif /* __XFS_ALLOC_H__ */
xfs_agnumber_t, xfs_btnum_t);
extern int xfs_allocbt_maxrecs(struct xfs_mount *, int, int);
-extern const struct xfs_buf_ops xfs_allocbt_buf_ops;
-
#endif /* __XFS_ALLOC_BTREE_H__ */
void xfs_attr3_leaf_hdr_to_disk(struct xfs_attr_leafblock *to,
struct xfs_attr3_icleaf_hdr *from);
-extern const struct xfs_buf_ops xfs_attr3_leaf_buf_ops;
-
#endif /* __XFS_ATTR_LEAF_H__ */
((bufsize) - (xfs_sb_version_hascrc(&(mp)->m_sb) ? \
sizeof(struct xfs_attr3_rmt_hdr) : 0))
-extern const struct xfs_buf_ops xfs_attr3_rmt_buf_ops;
-
int xfs_attr3_rmt_blocks(struct xfs_mount *mp, int attrlen);
int xfs_attr_rmtval_get(struct xfs_da_args *args);
extern struct xfs_btree_cur *xfs_bmbt_init_cursor(struct xfs_mount *,
struct xfs_trans *, struct xfs_inode *, int);
-extern const struct xfs_buf_ops xfs_bmbt_buf_ops;
-
#endif /* __XFS_BMAP_BTREE_H__ */
xfs_dablk_t bno, xfs_daddr_t mappedbno,
struct xfs_buf **bpp, int which_fork);
-extern const struct xfs_buf_ops xfs_da3_node_buf_ops;
-
/*
* Utility routines.
*/
((bufsize) - (xfs_sb_version_hascrc(&(mp)->m_sb) ? \
sizeof(struct xfs_dsymlink_hdr) : 0))
-int xfs_symlink_blocks(struct xfs_mount *mp, int pathlen);
-int xfs_symlink_hdr_set(struct xfs_mount *mp, xfs_ino_t ino, uint32_t offset,
- uint32_t size, struct xfs_buf *bp);
-bool xfs_symlink_hdr_ok(struct xfs_mount *mp, xfs_ino_t ino, uint32_t offset,
- uint32_t size, struct xfs_buf *bp);
-void xfs_symlink_local_to_remote(struct xfs_trans *tp, struct xfs_buf *bp,
- struct xfs_inode *ip, struct xfs_ifork *ifp);
-
-extern const struct xfs_buf_ops xfs_symlink_buf_ops;
-
#endif /* __XFS_FORMAT_H__ */
xfs_agnumber_t agno, xfs_agblock_t agbno,
xfs_agblock_t length, unsigned int gen);
-extern const struct xfs_buf_ops xfs_agi_buf_ops;
-
#endif /* __XFS_IALLOC_H__ */
struct xfs_trans *, struct xfs_buf *, xfs_agnumber_t);
extern int xfs_inobt_maxrecs(struct xfs_mount *, int, int);
-extern const struct xfs_buf_ops xfs_inobt_buf_ops;
-
#endif /* __XFS_IALLOC_BTREE_H__ */
#define xfs_inobp_check(mp, bp)
#endif /* DEBUG */
-extern const struct xfs_buf_ops xfs_inode_buf_ops;
-
#endif /* __XFS_INODE_BUF_H__ */
{ XFS_LI_QUOTAOFF, "XFS_LI_QUOTAOFF" }, \
{ XFS_LI_ICREATE, "XFS_LI_ICREATE" }
-/*
- * 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
-
-/*
- * 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
-
-/*
- * 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
-
-/*
- * Flags for xfs_trans_ichgtime().
- */
-#define XFS_ICHGTIME_MOD 0x1 /* data fork modification timestamp */
-#define XFS_ICHGTIME_CHG 0x2 /* inode field change timestamp */
-#define XFS_ICHGTIME_CREATE 0x4 /* inode create timestamp */
-
-
/*
* Inode Log Item Format definitions.
*
char qf_pad[12]; /* padding for future */
} xfs_qoff_logformat_t;
-
/*
* Disk quotas status in m_qflags, and also sb_qflags. 16 bits.
*/
__be32 icl_gen; /* inode generation number to use */
};
-int xfs_log_calc_unit_res(struct xfs_mount *mp, int unit_bytes);
-int xfs_log_calc_minimum_size(struct xfs_mount *);
-
-
#endif /* __XFS_LOG_FORMAT_H__ */
extern void xfs_sb_to_disk(struct xfs_dsb *, struct xfs_sb *, __int64_t);
extern void xfs_sb_quota_from_disk(struct xfs_sb *sbp);
-extern const struct xfs_buf_ops xfs_sb_buf_ops;
-extern const struct xfs_buf_ops xfs_sb_quiet_buf_ops;
-
#endif /* __XFS_SB_H__ */
--- /dev/null
+/*
+ * Copyright (c) 2000-2005 Silicon Graphics, Inc.
+ * Copyright (c) 2013 Red Hat, Inc.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#ifndef __XFS_SHARED_H__
+#define __XFS_SHARED_H__
+
+/*
+ * Definitions shared between kernel and userspace that don't fit into any other
+ * header file that is shared with userspace.
+ */
+struct xfs_ifork;
+struct xfs_buf;
+struct xfs_buf_ops;
+struct xfs_mount;
+struct xfs_trans;
+struct xfs_inode;
+
+/*
+ * Buffer verifier operations are widely used, including userspace tools
+ */
+extern const struct xfs_buf_ops xfs_agf_buf_ops;
+extern const struct xfs_buf_ops xfs_agi_buf_ops;
+extern const struct xfs_buf_ops xfs_agf_buf_ops;
+extern const struct xfs_buf_ops xfs_agfl_buf_ops;
+extern const struct xfs_buf_ops xfs_allocbt_buf_ops;
+extern const struct xfs_buf_ops xfs_attr3_leaf_buf_ops;
+extern const struct xfs_buf_ops xfs_attr3_rmt_buf_ops;
+extern const struct xfs_buf_ops xfs_bmbt_buf_ops;
+extern const struct xfs_buf_ops xfs_da3_node_buf_ops;
+extern const struct xfs_buf_ops xfs_dquot_buf_ops;
+extern const struct xfs_buf_ops xfs_symlink_buf_ops;
+extern const struct xfs_buf_ops xfs_agi_buf_ops;
+extern const struct xfs_buf_ops xfs_inobt_buf_ops;
+extern const struct xfs_buf_ops xfs_inode_buf_ops;
+extern const struct xfs_buf_ops xfs_inode_buf_ra_ops;
+extern const struct xfs_buf_ops xfs_dquot_buf_ops;
+extern const struct xfs_buf_ops xfs_sb_buf_ops;
+extern const struct xfs_buf_ops xfs_sb_quiet_buf_ops;
+extern const struct xfs_buf_ops xfs_symlink_buf_ops;
+
+/*
+ * Transaction types. Used to distinguish types of buffers. These never reach
+ * the log.
+ */
+#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
+
+/* log size calculation functions */
+int xfs_log_calc_unit_res(struct xfs_mount *mp, int unit_bytes);
+int xfs_log_calc_minimum_size(struct xfs_mount *);
+
+
+/*
+ * 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
+
+/*
+ * 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
+
+/*
+ * Flags for xfs_trans_ichgtime().
+ */
+#define XFS_ICHGTIME_MOD 0x1 /* data fork modification timestamp */
+#define XFS_ICHGTIME_CHG 0x2 /* inode field change timestamp */
+#define XFS_ICHGTIME_CREATE 0x4 /* inode create timestamp */
+
+
+/*
+ * Symlink decoding/encoding functions
+ */
+int xfs_symlink_blocks(struct xfs_mount *mp, int pathlen);
+int xfs_symlink_hdr_set(struct xfs_mount *mp, xfs_ino_t ino, uint32_t offset,
+ uint32_t size, struct xfs_buf *bp);
+bool xfs_symlink_hdr_ok(struct xfs_mount *mp, xfs_ino_t ino, uint32_t offset,
+ uint32_t size, struct xfs_buf *bp);
+void xfs_symlink_local_to_remote(struct xfs_trans *tp, struct xfs_buf *bp,
+ struct xfs_inode *ip, struct xfs_ifork *ifp);
+
+#endif /* __XFS_SHARED_H__ */
projects / thirdparty / xfsprogs-dev.git / commitdiff
