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xfs: split out inode log item format definition 

The log item format definitions are shared with userspace. Split
them out of header files that contain kernel only defintions to make
it simple to shared them.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
This commit is contained in:
Dave Chinner 2013-08-12 20:49:23 +10:00 committed by Ben Myers
parent fc06c6d064
commit 69432832fd
7 changed files with 200 additions and 183 deletions
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1
fs/xfs/xfs_acl.c
View File

@ -16,6 +16,7 @@
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "xfs.h"
#include "xfs_log_format.h"
#include "xfs_acl.h"
#include "xfs_attr.h"
#include "xfs_bmap_btree.h"

2
fs/xfs/xfs_filestream.c
View File

@ -16,12 +16,12 @@
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "xfs.h"
#include "xfs_log.h"
#include "xfs_bmap_btree.h"
#include "xfs_inum.h"
#include "xfs_dinode.h"
#include "xfs_inode.h"
#include "xfs_ag.h"
#include "xfs_log.h"
#include "xfs_trans.h"
#include "xfs_sb.h"
#include "xfs_mount.h"

69
fs/xfs/xfs_inode.h
View File

@ -22,12 +22,6 @@ struct posix_acl;
struct xfs_dinode;
struct xfs_inode;
/*
* Fork identifiers.
*/
#define XFS_DATA_FORK 0
#define XFS_ATTR_FORK 1
/*
* The following xfs_ext_irec_t struct introduces a second (top) level
* to the in-core extent allocation scheme. These structs are allocated
@ -114,68 +108,6 @@ struct xfs_imap {
* chain off the mount structure by xfs_sync calls.
*/
typedef struct xfs_ictimestamp {
__int32_t t_sec; /* timestamp seconds */
__int32_t t_nsec; /* timestamp nanoseconds */
} xfs_ictimestamp_t;
/*
* NOTE: This structure must be kept identical to struct xfs_dinode
* in xfs_dinode.h except for the endianness annotations.
*/
typedef struct xfs_icdinode {
__uint16_t di_magic; /* inode magic # = XFS_DINODE_MAGIC */
__uint16_t di_mode; /* mode and type of file */
__int8_t di_version; /* inode version */
__int8_t di_format; /* format of di_c data */
__uint16_t di_onlink; /* old number of links to file */
__uint32_t di_uid; /* owner's user id */
__uint32_t di_gid; /* owner's group id */
__uint32_t di_nlink; /* number of links to file */
__uint16_t di_projid_lo; /* lower part of owner's project id */
__uint16_t di_projid_hi; /* higher part of owner's project id */
__uint8_t di_pad[6]; /* unused, zeroed space */
__uint16_t di_flushiter; /* incremented on flush */
xfs_ictimestamp_t di_atime; /* time last accessed */
xfs_ictimestamp_t di_mtime; /* time last modified */
xfs_ictimestamp_t di_ctime; /* time created/inode modified */
xfs_fsize_t di_size; /* number of bytes in file */
xfs_drfsbno_t di_nblocks; /* # of direct & btree blocks used */
xfs_extlen_t di_extsize; /* basic/minimum extent size for file */
xfs_extnum_t di_nextents; /* number of extents in data fork */
xfs_aextnum_t di_anextents; /* number of extents in attribute fork*/
__uint8_t di_forkoff; /* attr fork offs, <<3 for 64b align */
__int8_t di_aformat; /* format of attr fork's data */
__uint32_t di_dmevmask; /* DMIG event mask */
__uint16_t di_dmstate; /* DMIG state info */
__uint16_t di_flags; /* random flags, XFS_DIFLAG_... */
__uint32_t di_gen; /* generation number */
/* di_next_unlinked is the only non-core field in the old dinode */
xfs_agino_t di_next_unlinked;/* agi unlinked list ptr */
/* start of the extended dinode, writable fields */
__uint32_t di_crc; /* CRC of the inode */
__uint64_t di_changecount; /* number of attribute changes */
xfs_lsn_t di_lsn; /* flush sequence */
__uint64_t di_flags2; /* more random flags */
__uint8_t di_pad2[16]; /* more padding for future expansion */
/* fields only written to during inode creation */
xfs_ictimestamp_t di_crtime; /* time created */
xfs_ino_t di_ino; /* inode number */
uuid_t di_uuid; /* UUID of the filesystem */
/* structure must be padded to 64 bit alignment */
} xfs_icdinode_t;
static inline uint xfs_icdinode_size(int version)
{
if (version == 3)
return sizeof(struct xfs_icdinode);
return offsetof(struct xfs_icdinode, di_next_unlinked);
}
/*
* Flags for xfs_ichgtime().
*/
@ -626,7 +558,6 @@ void xfs_inobp_check(struct xfs_mount *, struct xfs_buf *);
extern struct kmem_zone *xfs_ifork_zone;
extern struct kmem_zone *xfs_inode_zone;
extern struct kmem_zone *xfs_ili_zone;
extern const struct xfs_buf_ops xfs_inode_buf_ops;
#endif /* __XFS_INODE_H__ */

115
fs/xfs/xfs_inode_item.h
View File

@ -18,123 +18,13 @@
#ifndef __XFS_INODE_ITEM_H__
#define __XFS_INODE_ITEM_H__
/*
* This is the structure used to lay out an inode log item in the
* log. The size of the inline data/extents/b-tree root to be logged
* (if any) is indicated in the ilf_dsize field. Changes to this structure
* must be added on to the end.
*/
typedef struct xfs_inode_log_format {
__uint16_t ilf_type; /* inode log item type */
__uint16_t ilf_size; /* size of this item */
__uint32_t ilf_fields; /* flags for fields logged */
__uint16_t ilf_asize; /* size of attr d/ext/root */
__uint16_t ilf_dsize; /* size of data/ext/root */
__uint64_t ilf_ino; /* inode number */
union {
__uint32_t ilfu_rdev; /* rdev value for dev inode*/
uuid_t ilfu_uuid; /* mount point value */
} ilf_u;
__int64_t ilf_blkno; /* blkno of inode buffer */
__int32_t ilf_len; /* len of inode buffer */
__int32_t ilf_boffset; /* off of inode in buffer */
} xfs_inode_log_format_t;
typedef struct xfs_inode_log_format_32 {
__uint16_t ilf_type; /* inode log item type */
__uint16_t ilf_size; /* size of this item */
__uint32_t ilf_fields; /* flags for fields logged */
__uint16_t ilf_asize; /* size of attr d/ext/root */
__uint16_t ilf_dsize; /* size of data/ext/root */
__uint64_t ilf_ino; /* inode number */
union {
__uint32_t ilfu_rdev; /* rdev value for dev inode*/
uuid_t ilfu_uuid; /* mount point value */
} ilf_u;
__int64_t ilf_blkno; /* blkno of inode buffer */
__int32_t ilf_len; /* len of inode buffer */
__int32_t ilf_boffset; /* off of inode in buffer */
} __attribute__((packed)) xfs_inode_log_format_32_t;
typedef struct xfs_inode_log_format_64 {
__uint16_t ilf_type; /* inode log item type */
__uint16_t ilf_size; /* size of this item */
__uint32_t ilf_fields; /* flags for fields logged */
__uint16_t ilf_asize; /* size of attr d/ext/root */
__uint16_t ilf_dsize; /* size of data/ext/root */
__uint32_t ilf_pad; /* pad for 64 bit boundary */
__uint64_t ilf_ino; /* inode number */
union {
__uint32_t ilfu_rdev; /* rdev value for dev inode*/
uuid_t ilfu_uuid; /* mount point value */
} ilf_u;
__int64_t ilf_blkno; /* blkno of inode buffer */
__int32_t ilf_len; /* len of inode buffer */
__int32_t ilf_boffset; /* off of inode in buffer */
} xfs_inode_log_format_64_t;
/*
* Flags for xfs_trans_log_inode flags field.
*/
#define XFS_ILOG_CORE 0x001 /* log standard inode fields */
#define XFS_ILOG_DDATA 0x002 /* log i_df.if_data */
#define XFS_ILOG_DEXT 0x004 /* log i_df.if_extents */
#define XFS_ILOG_DBROOT 0x008 /* log i_df.i_broot */
#define XFS_ILOG_DEV 0x010 /* log the dev field */
#define XFS_ILOG_UUID 0x020 /* log the uuid field */
#define XFS_ILOG_ADATA 0x040 /* log i_af.if_data */
#define XFS_ILOG_AEXT 0x080 /* log i_af.if_extents */
#define XFS_ILOG_ABROOT 0x100 /* log i_af.i_broot */
/*
* The timestamps are dirty, but not necessarily anything else in the inode
* core. Unlike the other fields above this one must never make it to disk
* in the ilf_fields of the inode_log_format, but is purely store in-memory in
* ili_fields in the inode_log_item.
*/
#define XFS_ILOG_TIMESTAMP 0x4000
#define XFS_ILOG_NONCORE (XFS_ILOG_DDATA | XFS_ILOG_DEXT | \
XFS_ILOG_DBROOT | XFS_ILOG_DEV | \
XFS_ILOG_UUID | XFS_ILOG_ADATA | \
XFS_ILOG_AEXT | XFS_ILOG_ABROOT)
#define XFS_ILOG_DFORK (XFS_ILOG_DDATA | XFS_ILOG_DEXT | \
XFS_ILOG_DBROOT)
#define XFS_ILOG_AFORK (XFS_ILOG_ADATA | XFS_ILOG_AEXT | \
XFS_ILOG_ABROOT)
#define XFS_ILOG_ALL (XFS_ILOG_CORE | XFS_ILOG_DDATA | \
XFS_ILOG_DEXT | XFS_ILOG_DBROOT | \
XFS_ILOG_DEV | XFS_ILOG_UUID | \
XFS_ILOG_ADATA | XFS_ILOG_AEXT | \
XFS_ILOG_ABROOT | XFS_ILOG_TIMESTAMP)
static inline int xfs_ilog_fbroot(int w)
{
return (w == XFS_DATA_FORK ? XFS_ILOG_DBROOT : XFS_ILOG_ABROOT);
}
static inline int xfs_ilog_fext(int w)
{
return (w == XFS_DATA_FORK ? XFS_ILOG_DEXT : XFS_ILOG_AEXT);
}
static inline int xfs_ilog_fdata(int w)
{
return (w == XFS_DATA_FORK ? XFS_ILOG_DDATA : XFS_ILOG_ADATA);
}
#ifdef __KERNEL__
/* kernel only definitions */
struct xfs_buf;
struct xfs_bmbt_rec;
struct xfs_inode;
struct xfs_mount;
typedef struct xfs_inode_log_item {
xfs_log_item_t ili_item; /* common portion */
struct xfs_inode *ili_inode; /* inode ptr */
@ -151,7 +41,6 @@ typedef struct xfs_inode_log_item {
xfs_inode_log_format_t ili_format; /* logged structure */
} xfs_inode_log_item_t;
static inline int xfs_inode_clean(xfs_inode_t *ip)
{
return !ip->i_itemp || !(ip->i_itemp->ili_fields & XFS_ILOG_ALL);
@ -165,6 +54,6 @@ extern void xfs_iflush_abort(struct xfs_inode *, bool);
extern int xfs_inode_item_format_convert(xfs_log_iovec_t *,
xfs_inode_log_format_t *);
#endif /* __KERNEL__ */
extern struct kmem_zone *xfs_ili_zone;
#endif /* __XFS_INODE_ITEM_H__ */

189
fs/xfs/xfs_log_format.h
View File

@ -18,6 +18,16 @@
#ifndef __XFS_LOG_FORMAT_H__
#define __XFS_LOG_FORMAT_H__
/*
* On-disk Log Format definitions.
*
* This file contains all the on-disk format definitions used within the log. It
* includes the physical log structure itself, as well as all the log item
* format structures that are written into the log and intepreted by log
* recovery. We start with the physical log format definitions, and then work
* through all the log items definitions and everything they encode into the
* log.
*/
typedef __uint32_t xlog_tid_t;
#define XLOG_MIN_ICLOGS 2
@ -175,4 +185,183 @@ typedef struct xfs_log_iovec {
uint i_type; /* type of region */
} xfs_log_iovec_t;
/*
* Inode Log Item Format definitions.
*
* This is the structure used to lay out an inode log item in the
* log. The size of the inline data/extents/b-tree root to be logged
* (if any) is indicated in the ilf_dsize field. Changes to this structure
* must be added on to the end.
*/
typedef struct xfs_inode_log_format {
__uint16_t ilf_type; /* inode log item type */
__uint16_t ilf_size; /* size of this item */
__uint32_t ilf_fields; /* flags for fields logged */
__uint16_t ilf_asize; /* size of attr d/ext/root */
__uint16_t ilf_dsize; /* size of data/ext/root */
__uint64_t ilf_ino; /* inode number */
union {
__uint32_t ilfu_rdev; /* rdev value for dev inode*/
uuid_t ilfu_uuid; /* mount point value */
} ilf_u;
__int64_t ilf_blkno; /* blkno of inode buffer */
__int32_t ilf_len; /* len of inode buffer */
__int32_t ilf_boffset; /* off of inode in buffer */
} xfs_inode_log_format_t;
typedef struct xfs_inode_log_format_32 {
__uint16_t ilf_type; /* inode log item type */
__uint16_t ilf_size; /* size of this item */
__uint32_t ilf_fields; /* flags for fields logged */
__uint16_t ilf_asize; /* size of attr d/ext/root */
__uint16_t ilf_dsize; /* size of data/ext/root */
__uint64_t ilf_ino; /* inode number */
union {
__uint32_t ilfu_rdev; /* rdev value for dev inode*/
uuid_t ilfu_uuid; /* mount point value */
} ilf_u;
__int64_t ilf_blkno; /* blkno of inode buffer */
__int32_t ilf_len; /* len of inode buffer */
__int32_t ilf_boffset; /* off of inode in buffer */
} __attribute__((packed)) xfs_inode_log_format_32_t;
typedef struct xfs_inode_log_format_64 {
__uint16_t ilf_type; /* inode log item type */
__uint16_t ilf_size; /* size of this item */
__uint32_t ilf_fields; /* flags for fields logged */
__uint16_t ilf_asize; /* size of attr d/ext/root */
__uint16_t ilf_dsize; /* size of data/ext/root */
__uint32_t ilf_pad; /* pad for 64 bit boundary */
__uint64_t ilf_ino; /* inode number */
union {
__uint32_t ilfu_rdev; /* rdev value for dev inode*/
uuid_t ilfu_uuid; /* mount point value */
} ilf_u;
__int64_t ilf_blkno; /* blkno of inode buffer */
__int32_t ilf_len; /* len of inode buffer */
__int32_t ilf_boffset; /* off of inode in buffer */
} xfs_inode_log_format_64_t;
/*
* Flags for xfs_trans_log_inode flags field.
*/
#define XFS_ILOG_CORE 0x001 /* log standard inode fields */
#define XFS_ILOG_DDATA 0x002 /* log i_df.if_data */
#define XFS_ILOG_DEXT 0x004 /* log i_df.if_extents */
#define XFS_ILOG_DBROOT 0x008 /* log i_df.i_broot */
#define XFS_ILOG_DEV 0x010 /* log the dev field */
#define XFS_ILOG_UUID 0x020 /* log the uuid field */
#define XFS_ILOG_ADATA 0x040 /* log i_af.if_data */
#define XFS_ILOG_AEXT 0x080 /* log i_af.if_extents */
#define XFS_ILOG_ABROOT 0x100 /* log i_af.i_broot */
/*
* The timestamps are dirty, but not necessarily anything else in the inode
* core. Unlike the other fields above this one must never make it to disk
* in the ilf_fields of the inode_log_format, but is purely store in-memory in
* ili_fields in the inode_log_item.
*/
#define XFS_ILOG_TIMESTAMP 0x4000
#define XFS_ILOG_NONCORE (XFS_ILOG_DDATA | XFS_ILOG_DEXT | \
XFS_ILOG_DBROOT | XFS_ILOG_DEV | \
XFS_ILOG_UUID | XFS_ILOG_ADATA | \
XFS_ILOG_AEXT | XFS_ILOG_ABROOT)
#define XFS_ILOG_DFORK (XFS_ILOG_DDATA | XFS_ILOG_DEXT | \
XFS_ILOG_DBROOT)
#define XFS_ILOG_AFORK (XFS_ILOG_ADATA | XFS_ILOG_AEXT | \
XFS_ILOG_ABROOT)
#define XFS_ILOG_ALL (XFS_ILOG_CORE | XFS_ILOG_DDATA | \
XFS_ILOG_DEXT | XFS_ILOG_DBROOT | \
XFS_ILOG_DEV | XFS_ILOG_UUID | \
XFS_ILOG_ADATA | XFS_ILOG_AEXT | \
XFS_ILOG_ABROOT | XFS_ILOG_TIMESTAMP)
static inline int xfs_ilog_fbroot(int w)
{
return (w == XFS_DATA_FORK ? XFS_ILOG_DBROOT : XFS_ILOG_ABROOT);
}
static inline int xfs_ilog_fext(int w)
{
return (w == XFS_DATA_FORK ? XFS_ILOG_DEXT : XFS_ILOG_AEXT);
}
static inline int xfs_ilog_fdata(int w)
{
return (w == XFS_DATA_FORK ? XFS_ILOG_DDATA : XFS_ILOG_ADATA);
}
/*
* Incore version of the on-disk inode core structures. We log this directly
* into the journal in host CPU format (for better or worse) and as such
* directly mirrors the xfs_dinode structure as it must contain all the same
* information.
*/
typedef struct xfs_ictimestamp {
__int32_t t_sec; /* timestamp seconds */
__int32_t t_nsec; /* timestamp nanoseconds */
} xfs_ictimestamp_t;
/*
* NOTE: This structure must be kept identical to struct xfs_dinode
* in xfs_dinode.h except for the endianness annotations.
*/
typedef struct xfs_icdinode {
__uint16_t di_magic; /* inode magic # = XFS_DINODE_MAGIC */
__uint16_t di_mode; /* mode and type of file */
__int8_t di_version; /* inode version */
__int8_t di_format; /* format of di_c data */
__uint16_t di_onlink; /* old number of links to file */
__uint32_t di_uid; /* owner's user id */
__uint32_t di_gid; /* owner's group id */
__uint32_t di_nlink; /* number of links to file */
__uint16_t di_projid_lo; /* lower part of owner's project id */
__uint16_t di_projid_hi; /* higher part of owner's project id */
__uint8_t di_pad[6]; /* unused, zeroed space */
__uint16_t di_flushiter; /* incremented on flush */
xfs_ictimestamp_t di_atime; /* time last accessed */
xfs_ictimestamp_t di_mtime; /* time last modified */
xfs_ictimestamp_t di_ctime; /* time created/inode modified */
xfs_fsize_t di_size; /* number of bytes in file */
xfs_drfsbno_t di_nblocks; /* # of direct & btree blocks used */
xfs_extlen_t di_extsize; /* basic/minimum extent size for file */
xfs_extnum_t di_nextents; /* number of extents in data fork */
xfs_aextnum_t di_anextents; /* number of extents in attribute fork*/
__uint8_t di_forkoff; /* attr fork offs, <<3 for 64b align */
__int8_t di_aformat; /* format of attr fork's data */
__uint32_t di_dmevmask; /* DMIG event mask */
__uint16_t di_dmstate; /* DMIG state info */
__uint16_t di_flags; /* random flags, XFS_DIFLAG_... */
__uint32_t di_gen; /* generation number */
/* di_next_unlinked is the only non-core field in the old dinode */
xfs_agino_t di_next_unlinked;/* agi unlinked list ptr */
/* start of the extended dinode, writable fields */
__uint32_t di_crc; /* CRC of the inode */
__uint64_t di_changecount; /* number of attribute changes */
xfs_lsn_t di_lsn; /* flush sequence */
__uint64_t di_flags2; /* more random flags */
__uint8_t di_pad2[16]; /* more padding for future expansion */
/* fields only written to during inode creation */
xfs_ictimestamp_t di_crtime; /* time created */
xfs_ino_t di_ino; /* inode number */
uuid_t di_uuid; /* UUID of the filesystem */
/* structure must be padded to 64 bit alignment */
} xfs_icdinode_t;
static inline uint xfs_icdinode_size(int version)
{
if (version == 3)
return sizeof(struct xfs_icdinode);
return offsetof(struct xfs_icdinode, di_next_unlinked);
}
#endif /* __XFS_LOG_FORMAT_H__ */

6
fs/xfs/xfs_types.h
View File

@ -145,6 +145,12 @@ typedef __uint64_t xfs_filblks_t; /* number of blocks in a file */
#define XFS_MIN_SECTORSIZE (1 << XFS_MIN_SECTORSIZE_LOG)
#define XFS_MAX_SECTORSIZE (1 << XFS_MAX_SECTORSIZE_LOG)
/*
* Inode fork identifiers.
*/
#define XFS_DATA_FORK 0
#define XFS_ATTR_FORK 1
/*
* Min numbers of data/attr fork btree root pointers.
*/

1
fs/xfs/xfs_xattr.c
View File

@ -17,6 +17,7 @@
*/
#include "xfs.h"
#include "xfs_log_format.h"
#include "xfs_da_btree.h"
#include "xfs_bmap_btree.h"
#include "xfs_inode.h"