You've already forked linux-apfs
mirror of
https://github.com/linux-apfs/linux-apfs.git
synced 2026-05-01 15:00:59 -07:00
Merge branch 'xfs-consolidate-format-defs' into for-next
This commit is contained in:
Dave Chinner
@@ -1,281 +0,0 @@
|
||||
/*
|
||||
* Copyright (c) 2000-2003,2005 Silicon Graphics, 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_AG_H__
|
||||
#define __XFS_AG_H__
|
||||
|
||||
/*
|
||||
* Allocation group header
|
||||
* This is divided into three structures, placed in sequential 512-byte
|
||||
* buffers after a copy of the superblock (also in a 512-byte buffer).
|
||||
*/
|
||||
|
||||
struct xfs_buf;
|
||||
struct xfs_mount;
|
||||
struct xfs_trans;
|
||||
|
||||
#define XFS_AGF_MAGIC 0x58414746 /* 'XAGF' */
|
||||
#define XFS_AGI_MAGIC 0x58414749 /* 'XAGI' */
|
||||
#define XFS_AGFL_MAGIC 0x5841464c /* 'XAFL' */
|
||||
#define XFS_AGF_VERSION 1
|
||||
#define XFS_AGI_VERSION 1
|
||||
|
||||
#define XFS_AGF_GOOD_VERSION(v) ((v) == XFS_AGF_VERSION)
|
||||
#define XFS_AGI_GOOD_VERSION(v) ((v) == XFS_AGI_VERSION)
|
||||
|
||||
/*
|
||||
* Btree number 0 is bno, 1 is cnt. This value gives the size of the
|
||||
* arrays below.
|
||||
*/
|
||||
#define XFS_BTNUM_AGF ((int)XFS_BTNUM_CNTi + 1)
|
||||
|
||||
/*
|
||||
* The second word of agf_levels in the first a.g. overlaps the EFS
|
||||
* superblock's magic number. Since the magic numbers valid for EFS
|
||||
* are > 64k, our value cannot be confused for an EFS superblock's.
|
||||
*/
|
||||
|
||||
typedef struct xfs_agf {
|
||||
/*
|
||||
* Common allocation group header information
|
||||
*/
|
||||
__be32 agf_magicnum; /* magic number == XFS_AGF_MAGIC */
|
||||
__be32 agf_versionnum; /* header version == XFS_AGF_VERSION */
|
||||
__be32 agf_seqno; /* sequence # starting from 0 */
|
||||
__be32 agf_length; /* size in blocks of a.g. */
|
||||
/*
|
||||
* Freespace information
|
||||
*/
|
||||
__be32 agf_roots[XFS_BTNUM_AGF]; /* root blocks */
|
||||
__be32 agf_spare0; /* spare field */
|
||||
__be32 agf_levels[XFS_BTNUM_AGF]; /* btree levels */
|
||||
__be32 agf_spare1; /* spare field */
|
||||
|
||||
__be32 agf_flfirst; /* first freelist block's index */
|
||||
__be32 agf_fllast; /* last freelist block's index */
|
||||
__be32 agf_flcount; /* count of blocks in freelist */
|
||||
__be32 agf_freeblks; /* total free blocks */
|
||||
|
||||
__be32 agf_longest; /* longest free space */
|
||||
__be32 agf_btreeblks; /* # of blocks held in AGF btrees */
|
||||
uuid_t agf_uuid; /* uuid of filesystem */
|
||||
|
||||
/*
|
||||
* reserve some contiguous space for future logged fields before we add
|
||||
* the unlogged fields. This makes the range logging via flags and
|
||||
* structure offsets much simpler.
|
||||
*/
|
||||
__be64 agf_spare64[16];
|
||||
|
||||
/* unlogged fields, written during buffer writeback. */
|
||||
__be64 agf_lsn; /* last write sequence */
|
||||
__be32 agf_crc; /* crc of agf sector */
|
||||
__be32 agf_spare2;
|
||||
|
||||
/* structure must be padded to 64 bit alignment */
|
||||
} xfs_agf_t;
|
||||
|
||||
#define XFS_AGF_CRC_OFF offsetof(struct xfs_agf, agf_crc)
|
||||
|
||||
#define XFS_AGF_MAGICNUM 0x00000001
|
||||
#define XFS_AGF_VERSIONNUM 0x00000002
|
||||
#define XFS_AGF_SEQNO 0x00000004
|
||||
#define XFS_AGF_LENGTH 0x00000008
|
||||
#define XFS_AGF_ROOTS 0x00000010
|
||||
#define XFS_AGF_LEVELS 0x00000020
|
||||
#define XFS_AGF_FLFIRST 0x00000040
|
||||
#define XFS_AGF_FLLAST 0x00000080
|
||||
#define XFS_AGF_FLCOUNT 0x00000100
|
||||
#define XFS_AGF_FREEBLKS 0x00000200
|
||||
#define XFS_AGF_LONGEST 0x00000400
|
||||
#define XFS_AGF_BTREEBLKS 0x00000800
|
||||
#define XFS_AGF_UUID 0x00001000
|
||||
#define XFS_AGF_NUM_BITS 13
|
||||
#define XFS_AGF_ALL_BITS ((1 << XFS_AGF_NUM_BITS) - 1)
|
||||
|
||||
#define XFS_AGF_FLAGS \
|
||||
{ XFS_AGF_MAGICNUM, "MAGICNUM" }, \
|
||||
{ XFS_AGF_VERSIONNUM, "VERSIONNUM" }, \
|
||||
{ XFS_AGF_SEQNO, "SEQNO" }, \
|
||||
{ XFS_AGF_LENGTH, "LENGTH" }, \
|
||||
{ XFS_AGF_ROOTS, "ROOTS" }, \
|
||||
{ XFS_AGF_LEVELS, "LEVELS" }, \
|
||||
{ XFS_AGF_FLFIRST, "FLFIRST" }, \
|
||||
{ XFS_AGF_FLLAST, "FLLAST" }, \
|
||||
{ XFS_AGF_FLCOUNT, "FLCOUNT" }, \
|
||||
{ XFS_AGF_FREEBLKS, "FREEBLKS" }, \
|
||||
{ XFS_AGF_LONGEST, "LONGEST" }, \
|
||||
{ XFS_AGF_BTREEBLKS, "BTREEBLKS" }, \
|
||||
{ XFS_AGF_UUID, "UUID" }
|
||||
|
||||
/* disk block (xfs_daddr_t) in the AG */
|
||||
#define XFS_AGF_DADDR(mp) ((xfs_daddr_t)(1 << (mp)->m_sectbb_log))
|
||||
#define XFS_AGF_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_AGF_DADDR(mp))
|
||||
#define XFS_BUF_TO_AGF(bp) ((xfs_agf_t *)((bp)->b_addr))
|
||||
|
||||
extern int xfs_read_agf(struct xfs_mount *mp, struct xfs_trans *tp,
|
||||
xfs_agnumber_t agno, int flags, struct xfs_buf **bpp);
|
||||
|
||||
/*
|
||||
* Size of the unlinked inode hash table in the agi.
|
||||
*/
|
||||
#define XFS_AGI_UNLINKED_BUCKETS 64
|
||||
|
||||
typedef struct xfs_agi {
|
||||
/*
|
||||
* Common allocation group header information
|
||||
*/
|
||||
__be32 agi_magicnum; /* magic number == XFS_AGI_MAGIC */
|
||||
__be32 agi_versionnum; /* header version == XFS_AGI_VERSION */
|
||||
__be32 agi_seqno; /* sequence # starting from 0 */
|
||||
__be32 agi_length; /* size in blocks of a.g. */
|
||||
/*
|
||||
* Inode information
|
||||
* Inodes are mapped by interpreting the inode number, so no
|
||||
* mapping data is needed here.
|
||||
*/
|
||||
__be32 agi_count; /* count of allocated inodes */
|
||||
__be32 agi_root; /* root of inode btree */
|
||||
__be32 agi_level; /* levels in inode btree */
|
||||
__be32 agi_freecount; /* number of free inodes */
|
||||
|
||||
__be32 agi_newino; /* new inode just allocated */
|
||||
__be32 agi_dirino; /* last directory inode chunk */
|
||||
/*
|
||||
* Hash table of inodes which have been unlinked but are
|
||||
* still being referenced.
|
||||
*/
|
||||
__be32 agi_unlinked[XFS_AGI_UNLINKED_BUCKETS];
|
||||
/*
|
||||
* This marks the end of logging region 1 and start of logging region 2.
|
||||
*/
|
||||
uuid_t agi_uuid; /* uuid of filesystem */
|
||||
__be32 agi_crc; /* crc of agi sector */
|
||||
__be32 agi_pad32;
|
||||
__be64 agi_lsn; /* last write sequence */
|
||||
|
||||
__be32 agi_free_root; /* root of the free inode btree */
|
||||
__be32 agi_free_level;/* levels in free inode btree */
|
||||
|
||||
/* structure must be padded to 64 bit alignment */
|
||||
} xfs_agi_t;
|
||||
|
||||
#define XFS_AGI_CRC_OFF offsetof(struct xfs_agi, agi_crc)
|
||||
|
||||
#define XFS_AGI_MAGICNUM (1 << 0)
|
||||
#define XFS_AGI_VERSIONNUM (1 << 1)
|
||||
#define XFS_AGI_SEQNO (1 << 2)
|
||||
#define XFS_AGI_LENGTH (1 << 3)
|
||||
#define XFS_AGI_COUNT (1 << 4)
|
||||
#define XFS_AGI_ROOT (1 << 5)
|
||||
#define XFS_AGI_LEVEL (1 << 6)
|
||||
#define XFS_AGI_FREECOUNT (1 << 7)
|
||||
#define XFS_AGI_NEWINO (1 << 8)
|
||||
#define XFS_AGI_DIRINO (1 << 9)
|
||||
#define XFS_AGI_UNLINKED (1 << 10)
|
||||
#define XFS_AGI_NUM_BITS_R1 11 /* end of the 1st agi logging region */
|
||||
#define XFS_AGI_ALL_BITS_R1 ((1 << XFS_AGI_NUM_BITS_R1) - 1)
|
||||
#define XFS_AGI_FREE_ROOT (1 << 11)
|
||||
#define XFS_AGI_FREE_LEVEL (1 << 12)
|
||||
#define XFS_AGI_NUM_BITS_R2 13
|
||||
|
||||
/* disk block (xfs_daddr_t) in the AG */
|
||||
#define XFS_AGI_DADDR(mp) ((xfs_daddr_t)(2 << (mp)->m_sectbb_log))
|
||||
#define XFS_AGI_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_AGI_DADDR(mp))
|
||||
#define XFS_BUF_TO_AGI(bp) ((xfs_agi_t *)((bp)->b_addr))
|
||||
|
||||
extern int xfs_read_agi(struct xfs_mount *mp, struct xfs_trans *tp,
|
||||
xfs_agnumber_t agno, struct xfs_buf **bpp);
|
||||
|
||||
/*
|
||||
* The third a.g. block contains the a.g. freelist, an array
|
||||
* of block pointers to blocks owned by the allocation btree code.
|
||||
*/
|
||||
#define XFS_AGFL_DADDR(mp) ((xfs_daddr_t)(3 << (mp)->m_sectbb_log))
|
||||
#define XFS_AGFL_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_AGFL_DADDR(mp))
|
||||
#define XFS_BUF_TO_AGFL(bp) ((xfs_agfl_t *)((bp)->b_addr))
|
||||
|
||||
#define XFS_BUF_TO_AGFL_BNO(mp, bp) \
|
||||
(xfs_sb_version_hascrc(&((mp)->m_sb)) ? \
|
||||
&(XFS_BUF_TO_AGFL(bp)->agfl_bno[0]) : \
|
||||
(__be32 *)(bp)->b_addr)
|
||||
|
||||
/*
|
||||
* Size of the AGFL. For CRC-enabled filesystes we steal a couple of
|
||||
* slots in the beginning of the block for a proper header with the
|
||||
* location information and CRC.
|
||||
*/
|
||||
#define XFS_AGFL_SIZE(mp) \
|
||||
(((mp)->m_sb.sb_sectsize - \
|
||||
(xfs_sb_version_hascrc(&((mp)->m_sb)) ? \
|
||||
sizeof(struct xfs_agfl) : 0)) / \
|
||||
sizeof(xfs_agblock_t))
|
||||
|
||||
typedef struct xfs_agfl {
|
||||
__be32 agfl_magicnum;
|
||||
__be32 agfl_seqno;
|
||||
uuid_t agfl_uuid;
|
||||
__be64 agfl_lsn;
|
||||
__be32 agfl_crc;
|
||||
__be32 agfl_bno[]; /* actually XFS_AGFL_SIZE(mp) */
|
||||
} xfs_agfl_t;
|
||||
|
||||
#define XFS_AGFL_CRC_OFF offsetof(struct xfs_agfl, agfl_crc)
|
||||
|
||||
/*
|
||||
* tags for inode radix tree
|
||||
*/
|
||||
#define XFS_ICI_NO_TAG (-1) /* special flag for an untagged lookup
|
||||
in xfs_inode_ag_iterator */
|
||||
#define XFS_ICI_RECLAIM_TAG 0 /* inode is to be reclaimed */
|
||||
#define XFS_ICI_EOFBLOCKS_TAG 1 /* inode has blocks beyond EOF */
|
||||
|
||||
#define XFS_AG_MAXLEVELS(mp) ((mp)->m_ag_maxlevels)
|
||||
#define XFS_MIN_FREELIST_RAW(bl,cl,mp) \
|
||||
(MIN(bl + 1, XFS_AG_MAXLEVELS(mp)) + MIN(cl + 1, XFS_AG_MAXLEVELS(mp)))
|
||||
#define XFS_MIN_FREELIST(a,mp) \
|
||||
(XFS_MIN_FREELIST_RAW( \
|
||||
be32_to_cpu((a)->agf_levels[XFS_BTNUM_BNOi]), \
|
||||
be32_to_cpu((a)->agf_levels[XFS_BTNUM_CNTi]), mp))
|
||||
#define XFS_MIN_FREELIST_PAG(pag,mp) \
|
||||
(XFS_MIN_FREELIST_RAW( \
|
||||
(unsigned int)(pag)->pagf_levels[XFS_BTNUM_BNOi], \
|
||||
(unsigned int)(pag)->pagf_levels[XFS_BTNUM_CNTi], mp))
|
||||
|
||||
#define XFS_AGB_TO_FSB(mp,agno,agbno) \
|
||||
(((xfs_fsblock_t)(agno) << (mp)->m_sb.sb_agblklog) | (agbno))
|
||||
#define XFS_FSB_TO_AGNO(mp,fsbno) \
|
||||
((xfs_agnumber_t)((fsbno) >> (mp)->m_sb.sb_agblklog))
|
||||
#define XFS_FSB_TO_AGBNO(mp,fsbno) \
|
||||
((xfs_agblock_t)((fsbno) & xfs_mask32lo((mp)->m_sb.sb_agblklog)))
|
||||
#define XFS_AGB_TO_DADDR(mp,agno,agbno) \
|
||||
((xfs_daddr_t)XFS_FSB_TO_BB(mp, \
|
||||
(xfs_fsblock_t)(agno) * (mp)->m_sb.sb_agblocks + (agbno)))
|
||||
#define XFS_AG_DADDR(mp,agno,d) (XFS_AGB_TO_DADDR(mp, agno, 0) + (d))
|
||||
|
||||
/*
|
||||
* For checking for bad ranges of xfs_daddr_t's, covering multiple
|
||||
* allocation groups or a single xfs_daddr_t that's a superblock copy.
|
||||
*/
|
||||
#define XFS_AG_CHECK_DADDR(mp,d,len) \
|
||||
((len) == 1 ? \
|
||||
ASSERT((d) == XFS_SB_DADDR || \
|
||||
xfs_daddr_to_agbno(mp, d) != XFS_SB_DADDR) : \
|
||||
ASSERT(xfs_daddr_to_agno(mp, d) == \
|
||||
xfs_daddr_to_agno(mp, (d) + (len) - 1)))
|
||||
|
||||
#endif /* __XFS_AG_H__ */
|
||||
@@ -23,7 +23,6 @@
|
||||
#include "xfs_trans_resv.h"
|
||||
#include "xfs_bit.h"
|
||||
#include "xfs_sb.h"
|
||||
#include "xfs_ag.h"
|
||||
#include "xfs_mount.h"
|
||||
#include "xfs_inode.h"
|
||||
#include "xfs_btree.h"
|
||||
|
||||
@@ -231,4 +231,7 @@ xfs_alloc_get_rec(
|
||||
xfs_extlen_t *len, /* output: length of extent */
|
||||
int *stat); /* output: success/failure */
|
||||
|
||||
int xfs_read_agf(struct xfs_mount *mp, struct xfs_trans *tp,
|
||||
xfs_agnumber_t agno, int flags, struct xfs_buf **bpp);
|
||||
|
||||
#endif /* __XFS_ALLOC_H__ */
|
||||
|
||||
@@ -22,7 +22,6 @@
|
||||
#include "xfs_log_format.h"
|
||||
#include "xfs_trans_resv.h"
|
||||
#include "xfs_sb.h"
|
||||
#include "xfs_ag.h"
|
||||
#include "xfs_mount.h"
|
||||
#include "xfs_btree.h"
|
||||
#include "xfs_alloc_btree.h"
|
||||
|
||||
@@ -22,8 +22,6 @@
|
||||
#include "xfs_log_format.h"
|
||||
#include "xfs_trans_resv.h"
|
||||
#include "xfs_bit.h"
|
||||
#include "xfs_sb.h"
|
||||
#include "xfs_ag.h"
|
||||
#include "xfs_mount.h"
|
||||
#include "xfs_da_format.h"
|
||||
#include "xfs_da_btree.h"
|
||||
@@ -42,7 +40,6 @@
|
||||
#include "xfs_quota.h"
|
||||
#include "xfs_trans_space.h"
|
||||
#include "xfs_trace.h"
|
||||
#include "xfs_dinode.h"
|
||||
|
||||
/*
|
||||
* xfs_attr.c
|
||||
|
||||
@@ -24,7 +24,6 @@
|
||||
#include "xfs_trans_resv.h"
|
||||
#include "xfs_bit.h"
|
||||
#include "xfs_sb.h"
|
||||
#include "xfs_ag.h"
|
||||
#include "xfs_mount.h"
|
||||
#include "xfs_da_format.h"
|
||||
#include "xfs_da_btree.h"
|
||||
@@ -41,7 +40,6 @@
|
||||
#include "xfs_trace.h"
|
||||
#include "xfs_buf_item.h"
|
||||
#include "xfs_cksum.h"
|
||||
#include "xfs_dinode.h"
|
||||
#include "xfs_dir2.h"
|
||||
|
||||
|
||||
|
||||
@@ -23,8 +23,6 @@
|
||||
#include "xfs_log_format.h"
|
||||
#include "xfs_trans_resv.h"
|
||||
#include "xfs_bit.h"
|
||||
#include "xfs_sb.h"
|
||||
#include "xfs_ag.h"
|
||||
#include "xfs_mount.h"
|
||||
#include "xfs_da_format.h"
|
||||
#include "xfs_da_btree.h"
|
||||
|
||||
@@ -22,9 +22,7 @@
|
||||
#include "xfs_log_format.h"
|
||||
#include "xfs_trans_resv.h"
|
||||
#include "xfs_bit.h"
|
||||
#include "xfs_inum.h"
|
||||
#include "xfs_sb.h"
|
||||
#include "xfs_ag.h"
|
||||
#include "xfs_mount.h"
|
||||
#include "xfs_da_format.h"
|
||||
#include "xfs_da_btree.h"
|
||||
@@ -46,7 +44,6 @@
|
||||
#include "xfs_trace.h"
|
||||
#include "xfs_symlink.h"
|
||||
#include "xfs_attr_leaf.h"
|
||||
#include "xfs_dinode.h"
|
||||
#include "xfs_filestream.h"
|
||||
|
||||
|
||||
|
||||
@@ -22,8 +22,6 @@
|
||||
#include "xfs_log_format.h"
|
||||
#include "xfs_trans_resv.h"
|
||||
#include "xfs_bit.h"
|
||||
#include "xfs_sb.h"
|
||||
#include "xfs_ag.h"
|
||||
#include "xfs_mount.h"
|
||||
#include "xfs_inode.h"
|
||||
#include "xfs_trans.h"
|
||||
@@ -36,7 +34,6 @@
|
||||
#include "xfs_quota.h"
|
||||
#include "xfs_trace.h"
|
||||
#include "xfs_cksum.h"
|
||||
#include "xfs_dinode.h"
|
||||
|
||||
/*
|
||||
* Determine the extent state.
|
||||
|
||||
@@ -22,8 +22,6 @@
|
||||
#include "xfs_log_format.h"
|
||||
#include "xfs_trans_resv.h"
|
||||
#include "xfs_bit.h"
|
||||
#include "xfs_sb.h"
|
||||
#include "xfs_ag.h"
|
||||
#include "xfs_mount.h"
|
||||
#include "xfs_inode.h"
|
||||
#include "xfs_trans.h"
|
||||
|
||||
@@ -23,8 +23,6 @@
|
||||
#include "xfs_log_format.h"
|
||||
#include "xfs_trans_resv.h"
|
||||
#include "xfs_bit.h"
|
||||
#include "xfs_sb.h"
|
||||
#include "xfs_ag.h"
|
||||
#include "xfs_mount.h"
|
||||
#include "xfs_da_format.h"
|
||||
#include "xfs_da_btree.h"
|
||||
|
||||
@@ -22,8 +22,6 @@
|
||||
#include "xfs_format.h"
|
||||
#include "xfs_log_format.h"
|
||||
#include "xfs_trans_resv.h"
|
||||
#include "xfs_sb.h"
|
||||
#include "xfs_ag.h"
|
||||
#include "xfs_mount.h"
|
||||
#include "xfs_da_format.h"
|
||||
#include "xfs_da_btree.h"
|
||||
|
||||
@@ -1,243 +0,0 @@
|
||||
/*
|
||||
* Copyright (c) 2000,2002,2005 Silicon Graphics, 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_DINODE_H__
|
||||
#define __XFS_DINODE_H__
|
||||
|
||||
#define XFS_DINODE_MAGIC 0x494e /* 'IN' */
|
||||
#define XFS_DINODE_GOOD_VERSION(v) ((v) >= 1 && (v) <= 3)
|
||||
|
||||
typedef struct xfs_timestamp {
|
||||
__be32 t_sec; /* timestamp seconds */
|
||||
__be32 t_nsec; /* timestamp nanoseconds */
|
||||
} xfs_timestamp_t;
|
||||
|
||||
/*
|
||||
* On-disk inode structure.
|
||||
*
|
||||
* This is just the header or "dinode core", the inode is expanded to fill a
|
||||
* variable size the leftover area split into a data and an attribute fork.
|
||||
* The format of the data and attribute fork depends on the format of the
|
||||
* inode as indicated by di_format and di_aformat. To access the data and
|
||||
* attribute use the XFS_DFORK_DPTR, XFS_DFORK_APTR, and XFS_DFORK_PTR macros
|
||||
* below.
|
||||
*
|
||||
* There is a very similar struct icdinode in xfs_inode which matches the
|
||||
* layout of the first 96 bytes of this structure, but is kept in native
|
||||
* format instead of big endian.
|
||||
*
|
||||
* Note: di_flushiter is only used by v1/2 inodes - it's effectively a zeroed
|
||||
* padding field for v3 inodes.
|
||||
*/
|
||||
typedef struct xfs_dinode {
|
||||
__be16 di_magic; /* inode magic # = XFS_DINODE_MAGIC */
|
||||
__be16 di_mode; /* mode and type of file */
|
||||
__u8 di_version; /* inode version */
|
||||
__u8 di_format; /* format of di_c data */
|
||||
__be16 di_onlink; /* old number of links to file */
|
||||
__be32 di_uid; /* owner's user id */
|
||||
__be32 di_gid; /* owner's group id */
|
||||
__be32 di_nlink; /* number of links to file */
|
||||
__be16 di_projid_lo; /* lower part of owner's project id */
|
||||
__be16 di_projid_hi; /* higher part owner's project id */
|
||||
__u8 di_pad[6]; /* unused, zeroed space */
|
||||
__be16 di_flushiter; /* incremented on flush */
|
||||
xfs_timestamp_t di_atime; /* time last accessed */
|
||||
xfs_timestamp_t di_mtime; /* time last modified */
|
||||
xfs_timestamp_t di_ctime; /* time created/inode modified */
|
||||
__be64 di_size; /* number of bytes in file */
|
||||
__be64 di_nblocks; /* # of direct & btree blocks used */
|
||||
__be32 di_extsize; /* basic/minimum extent size for file */
|
||||
__be32 di_nextents; /* number of extents in data fork */
|
||||
__be16 di_anextents; /* number of extents in attribute fork*/
|
||||
__u8 di_forkoff; /* attr fork offs, <<3 for 64b align */
|
||||
__s8 di_aformat; /* format of attr fork's data */
|
||||
__be32 di_dmevmask; /* DMIG event mask */
|
||||
__be16 di_dmstate; /* DMIG state info */
|
||||
__be16 di_flags; /* random flags, XFS_DIFLAG_... */
|
||||
__be32 di_gen; /* generation number */
|
||||
|
||||
/* di_next_unlinked is the only non-core field in the old dinode */
|
||||
__be32 di_next_unlinked;/* agi unlinked list ptr */
|
||||
|
||||
/* start of the extended dinode, writable fields */
|
||||
__le32 di_crc; /* CRC of the inode */
|
||||
__be64 di_changecount; /* number of attribute changes */
|
||||
__be64 di_lsn; /* flush sequence */
|
||||
__be64 di_flags2; /* more random flags */
|
||||
__u8 di_pad2[16]; /* more padding for future expansion */
|
||||
|
||||
/* fields only written to during inode creation */
|
||||
xfs_timestamp_t di_crtime; /* time created */
|
||||
__be64 di_ino; /* inode number */
|
||||
uuid_t di_uuid; /* UUID of the filesystem */
|
||||
|
||||
/* structure must be padded to 64 bit alignment */
|
||||
} xfs_dinode_t;
|
||||
|
||||
#define XFS_DINODE_CRC_OFF offsetof(struct xfs_dinode, di_crc)
|
||||
|
||||
#define DI_MAX_FLUSH 0xffff
|
||||
|
||||
/*
|
||||
* Size of the core inode on disk. Version 1 and 2 inodes have
|
||||
* the same size, but version 3 has grown a few additional fields.
|
||||
*/
|
||||
static inline uint xfs_dinode_size(int version)
|
||||
{
|
||||
if (version == 3)
|
||||
return sizeof(struct xfs_dinode);
|
||||
return offsetof(struct xfs_dinode, di_crc);
|
||||
}
|
||||
|
||||
/*
|
||||
* The 32 bit link count in the inode theoretically maxes out at UINT_MAX.
|
||||
* Since the pathconf interface is signed, we use 2^31 - 1 instead.
|
||||
* The old inode format had a 16 bit link count, so its maximum is USHRT_MAX.
|
||||
*/
|
||||
#define XFS_MAXLINK ((1U << 31) - 1U)
|
||||
#define XFS_MAXLINK_1 65535U
|
||||
|
||||
/*
|
||||
* Values for di_format
|
||||
*/
|
||||
typedef enum xfs_dinode_fmt {
|
||||
XFS_DINODE_FMT_DEV, /* xfs_dev_t */
|
||||
XFS_DINODE_FMT_LOCAL, /* bulk data */
|
||||
XFS_DINODE_FMT_EXTENTS, /* struct xfs_bmbt_rec */
|
||||
XFS_DINODE_FMT_BTREE, /* struct xfs_bmdr_block */
|
||||
XFS_DINODE_FMT_UUID /* uuid_t */
|
||||
} xfs_dinode_fmt_t;
|
||||
|
||||
/*
|
||||
* Inode minimum and maximum sizes.
|
||||
*/
|
||||
#define XFS_DINODE_MIN_LOG 8
|
||||
#define XFS_DINODE_MAX_LOG 11
|
||||
#define XFS_DINODE_MIN_SIZE (1 << XFS_DINODE_MIN_LOG)
|
||||
#define XFS_DINODE_MAX_SIZE (1 << XFS_DINODE_MAX_LOG)
|
||||
|
||||
/*
|
||||
* Inode size for given fs.
|
||||
*/
|
||||
#define XFS_LITINO(mp, version) \
|
||||
((int)(((mp)->m_sb.sb_inodesize) - xfs_dinode_size(version)))
|
||||
|
||||
/*
|
||||
* Inode data & attribute fork sizes, per inode.
|
||||
*/
|
||||
#define XFS_DFORK_Q(dip) ((dip)->di_forkoff != 0)
|
||||
#define XFS_DFORK_BOFF(dip) ((int)((dip)->di_forkoff << 3))
|
||||
|
||||
#define XFS_DFORK_DSIZE(dip,mp) \
|
||||
(XFS_DFORK_Q(dip) ? \
|
||||
XFS_DFORK_BOFF(dip) : \
|
||||
XFS_LITINO(mp, (dip)->di_version))
|
||||
#define XFS_DFORK_ASIZE(dip,mp) \
|
||||
(XFS_DFORK_Q(dip) ? \
|
||||
XFS_LITINO(mp, (dip)->di_version) - XFS_DFORK_BOFF(dip) : \
|
||||
0)
|
||||
#define XFS_DFORK_SIZE(dip,mp,w) \
|
||||
((w) == XFS_DATA_FORK ? \
|
||||
XFS_DFORK_DSIZE(dip, mp) : \
|
||||
XFS_DFORK_ASIZE(dip, mp))
|
||||
|
||||
/*
|
||||
* Return pointers to the data or attribute forks.
|
||||
*/
|
||||
#define XFS_DFORK_DPTR(dip) \
|
||||
((char *)dip + xfs_dinode_size(dip->di_version))
|
||||
#define XFS_DFORK_APTR(dip) \
|
||||
(XFS_DFORK_DPTR(dip) + XFS_DFORK_BOFF(dip))
|
||||
#define XFS_DFORK_PTR(dip,w) \
|
||||
((w) == XFS_DATA_FORK ? XFS_DFORK_DPTR(dip) : XFS_DFORK_APTR(dip))
|
||||
|
||||
#define XFS_DFORK_FORMAT(dip,w) \
|
||||
((w) == XFS_DATA_FORK ? \
|
||||
(dip)->di_format : \
|
||||
(dip)->di_aformat)
|
||||
#define XFS_DFORK_NEXTENTS(dip,w) \
|
||||
((w) == XFS_DATA_FORK ? \
|
||||
be32_to_cpu((dip)->di_nextents) : \
|
||||
be16_to_cpu((dip)->di_anextents))
|
||||
|
||||
#define XFS_BUF_TO_DINODE(bp) ((xfs_dinode_t *)((bp)->b_addr))
|
||||
|
||||
/*
|
||||
* For block and character special files the 32bit dev_t is stored at the
|
||||
* beginning of the data fork.
|
||||
*/
|
||||
static inline xfs_dev_t xfs_dinode_get_rdev(struct xfs_dinode *dip)
|
||||
{
|
||||
return be32_to_cpu(*(__be32 *)XFS_DFORK_DPTR(dip));
|
||||
}
|
||||
|
||||
static inline void xfs_dinode_put_rdev(struct xfs_dinode *dip, xfs_dev_t rdev)
|
||||
{
|
||||
*(__be32 *)XFS_DFORK_DPTR(dip) = cpu_to_be32(rdev);
|
||||
}
|
||||
|
||||
/*
|
||||
* Values for di_flags
|
||||
* There should be a one-to-one correspondence between these flags and the
|
||||
* XFS_XFLAG_s.
|
||||
*/
|
||||
#define XFS_DIFLAG_REALTIME_BIT 0 /* file's blocks come from rt area */
|
||||
#define XFS_DIFLAG_PREALLOC_BIT 1 /* file space has been preallocated */
|
||||
#define XFS_DIFLAG_NEWRTBM_BIT 2 /* for rtbitmap inode, new format */
|
||||
#define XFS_DIFLAG_IMMUTABLE_BIT 3 /* inode is immutable */
|
||||
#define XFS_DIFLAG_APPEND_BIT 4 /* inode is append-only */
|
||||
#define XFS_DIFLAG_SYNC_BIT 5 /* inode is written synchronously */
|
||||
#define XFS_DIFLAG_NOATIME_BIT 6 /* do not update atime */
|
||||
#define XFS_DIFLAG_NODUMP_BIT 7 /* do not dump */
|
||||
#define XFS_DIFLAG_RTINHERIT_BIT 8 /* create with realtime bit set */
|
||||
#define XFS_DIFLAG_PROJINHERIT_BIT 9 /* create with parents projid */
|
||||
#define XFS_DIFLAG_NOSYMLINKS_BIT 10 /* disallow symlink creation */
|
||||
#define XFS_DIFLAG_EXTSIZE_BIT 11 /* inode extent size allocator hint */
|
||||
#define XFS_DIFLAG_EXTSZINHERIT_BIT 12 /* inherit inode extent size */
|
||||
#define XFS_DIFLAG_NODEFRAG_BIT 13 /* do not reorganize/defragment */
|
||||
#define XFS_DIFLAG_FILESTREAM_BIT 14 /* use filestream allocator */
|
||||
#define XFS_DIFLAG_REALTIME (1 << XFS_DIFLAG_REALTIME_BIT)
|
||||
#define XFS_DIFLAG_PREALLOC (1 << XFS_DIFLAG_PREALLOC_BIT)
|
||||
#define XFS_DIFLAG_NEWRTBM (1 << XFS_DIFLAG_NEWRTBM_BIT)
|
||||
#define XFS_DIFLAG_IMMUTABLE (1 << XFS_DIFLAG_IMMUTABLE_BIT)
|
||||
#define XFS_DIFLAG_APPEND (1 << XFS_DIFLAG_APPEND_BIT)
|
||||
#define XFS_DIFLAG_SYNC (1 << XFS_DIFLAG_SYNC_BIT)
|
||||
#define XFS_DIFLAG_NOATIME (1 << XFS_DIFLAG_NOATIME_BIT)
|
||||
#define XFS_DIFLAG_NODUMP (1 << XFS_DIFLAG_NODUMP_BIT)
|
||||
#define XFS_DIFLAG_RTINHERIT (1 << XFS_DIFLAG_RTINHERIT_BIT)
|
||||
#define XFS_DIFLAG_PROJINHERIT (1 << XFS_DIFLAG_PROJINHERIT_BIT)
|
||||
#define XFS_DIFLAG_NOSYMLINKS (1 << XFS_DIFLAG_NOSYMLINKS_BIT)
|
||||
#define XFS_DIFLAG_EXTSIZE (1 << XFS_DIFLAG_EXTSIZE_BIT)
|
||||
#define XFS_DIFLAG_EXTSZINHERIT (1 << XFS_DIFLAG_EXTSZINHERIT_BIT)
|
||||
#define XFS_DIFLAG_NODEFRAG (1 << XFS_DIFLAG_NODEFRAG_BIT)
|
||||
#define XFS_DIFLAG_FILESTREAM (1 << XFS_DIFLAG_FILESTREAM_BIT)
|
||||
|
||||
#ifdef CONFIG_XFS_RT
|
||||
#define XFS_IS_REALTIME_INODE(ip) ((ip)->i_d.di_flags & XFS_DIFLAG_REALTIME)
|
||||
#else
|
||||
#define XFS_IS_REALTIME_INODE(ip) (0)
|
||||
#endif
|
||||
|
||||
#define XFS_DIFLAG_ANY \
|
||||
(XFS_DIFLAG_REALTIME | XFS_DIFLAG_PREALLOC | XFS_DIFLAG_NEWRTBM | \
|
||||
XFS_DIFLAG_IMMUTABLE | XFS_DIFLAG_APPEND | XFS_DIFLAG_SYNC | \
|
||||
XFS_DIFLAG_NOATIME | XFS_DIFLAG_NODUMP | XFS_DIFLAG_RTINHERIT | \
|
||||
XFS_DIFLAG_PROJINHERIT | XFS_DIFLAG_NOSYMLINKS | XFS_DIFLAG_EXTSIZE | \
|
||||
XFS_DIFLAG_EXTSZINHERIT | XFS_DIFLAG_NODEFRAG | XFS_DIFLAG_FILESTREAM)
|
||||
|
||||
#endif /* __XFS_DINODE_H__ */
|
||||
@@ -20,9 +20,6 @@
|
||||
#include "xfs_format.h"
|
||||
#include "xfs_log_format.h"
|
||||
#include "xfs_trans_resv.h"
|
||||
#include "xfs_inum.h"
|
||||
#include "xfs_sb.h"
|
||||
#include "xfs_ag.h"
|
||||
#include "xfs_mount.h"
|
||||
#include "xfs_da_format.h"
|
||||
#include "xfs_da_btree.h"
|
||||
@@ -34,7 +31,6 @@
|
||||
#include "xfs_dir2_priv.h"
|
||||
#include "xfs_error.h"
|
||||
#include "xfs_trace.h"
|
||||
#include "xfs_dinode.h"
|
||||
|
||||
struct xfs_name xfs_name_dotdot = { (unsigned char *)"..", 2, XFS_DIR3_FT_DIR };
|
||||
|
||||
|
||||
@@ -21,8 +21,6 @@
|
||||
#include "xfs_format.h"
|
||||
#include "xfs_log_format.h"
|
||||
#include "xfs_trans_resv.h"
|
||||
#include "xfs_sb.h"
|
||||
#include "xfs_ag.h"
|
||||
#include "xfs_mount.h"
|
||||
#include "xfs_da_format.h"
|
||||
#include "xfs_da_btree.h"
|
||||
@@ -36,7 +34,6 @@
|
||||
#include "xfs_error.h"
|
||||
#include "xfs_trace.h"
|
||||
#include "xfs_cksum.h"
|
||||
#include "xfs_dinode.h"
|
||||
|
||||
/*
|
||||
* Local function prototypes.
|
||||
|
||||
@@ -21,8 +21,6 @@
|
||||
#include "xfs_format.h"
|
||||
#include "xfs_log_format.h"
|
||||
#include "xfs_trans_resv.h"
|
||||
#include "xfs_sb.h"
|
||||
#include "xfs_ag.h"
|
||||
#include "xfs_mount.h"
|
||||
#include "xfs_da_format.h"
|
||||
#include "xfs_da_btree.h"
|
||||
|
||||
@@ -21,8 +21,6 @@
|
||||
#include "xfs_format.h"
|
||||
#include "xfs_log_format.h"
|
||||
#include "xfs_trans_resv.h"
|
||||
#include "xfs_sb.h"
|
||||
#include "xfs_ag.h"
|
||||
#include "xfs_mount.h"
|
||||
#include "xfs_da_format.h"
|
||||
#include "xfs_da_btree.h"
|
||||
|
||||
@@ -21,8 +21,6 @@
|
||||
#include "xfs_format.h"
|
||||
#include "xfs_log_format.h"
|
||||
#include "xfs_trans_resv.h"
|
||||
#include "xfs_sb.h"
|
||||
#include "xfs_ag.h"
|
||||
#include "xfs_mount.h"
|
||||
#include "xfs_da_format.h"
|
||||
#include "xfs_da_btree.h"
|
||||
|
||||
@@ -20,8 +20,6 @@
|
||||
#include "xfs_format.h"
|
||||
#include "xfs_log_format.h"
|
||||
#include "xfs_trans_resv.h"
|
||||
#include "xfs_sb.h"
|
||||
#include "xfs_ag.h"
|
||||
#include "xfs_mount.h"
|
||||
#include "xfs_da_format.h"
|
||||
#include "xfs_da_btree.h"
|
||||
@@ -32,7 +30,6 @@
|
||||
#include "xfs_dir2.h"
|
||||
#include "xfs_dir2_priv.h"
|
||||
#include "xfs_trace.h"
|
||||
#include "xfs_dinode.h"
|
||||
|
||||
/*
|
||||
* Prototypes for internal functions.
|
||||
|
||||
@@ -22,8 +22,6 @@
|
||||
#include "xfs_format.h"
|
||||
#include "xfs_log_format.h"
|
||||
#include "xfs_trans_resv.h"
|
||||
#include "xfs_sb.h"
|
||||
#include "xfs_ag.h"
|
||||
#include "xfs_mount.h"
|
||||
#include "xfs_inode.h"
|
||||
#include "xfs_quota.h"
|
||||
|
||||
Some files were not shown because too many files have changed in this diff Show More
Reference in New Issue
Block a user