[mirror_ubuntu-bionic-kernel.git] / fs / xfs / xfs_dinode.h

/*
 * 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 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__ */
Commit	Line	Data
1da177e4	1	/*
7b718769 NS	2	* Copyright (c) 2000,2002,2005 Silicon Graphics, Inc.
7b718769 NS	3	* All Rights Reserved.
1da177e4	4	*
7b718769 NS	5	* This program is free software; you can redistribute it and/or
7b718769 NS	6	* modify it under the terms of the GNU General Public License as
1da177e4 LT	7	* published by the Free Software Foundation.
1da177e4 LT	8	*
7b718769 NS	9	* This program is distributed in the hope that it would be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	* GNU General Public License for more details.
1da177e4	13	*
7b718769 NS	14	* You should have received a copy of the GNU General Public License
	15	* along with this program; if not, write the Free Software Foundation,
	16	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
1da177e4 LT	17	*/
	18	#ifndef __XFS_DINODE_H__
	19	#define __XFS_DINODE_H__
	20
51ce16d5	21	#define XFS_DINODE_MAGIC 0x494e /* 'IN' */
93848a99	22	#define XFS_DINODE_GOOD_VERSION(v) ((v) >= 1 && (v) <= 3)
1da177e4	23
1da177e4	24	typedef struct xfs_timestamp {
347d1c01 CH	25	__be32 t_sec; /* timestamp seconds */
347d1c01 CH	26	__be32 t_nsec; /* timestamp nanoseconds */
1da177e4 LT	27	} xfs_timestamp_t;
	28
	29	/*
81591fe2 CH	30	* On-disk inode structure.
	31	*
	32	* This is just the header or "dinode core", the inode is expanded to fill a
	33	* variable size the leftover area split into a data and an attribute fork.
	34	* The format of the data and attribute fork depends on the format of the
	35	* inode as indicated by di_format and di_aformat. To access the data and
51c84223	36	* attribute use the XFS_DFORK_DPTR, XFS_DFORK_APTR, and XFS_DFORK_PTR macros
81591fe2 CH	37	* below.
	38	*
	39	* There is a very similar struct icdinode in xfs_inode which matches the
	40	* layout of the first 96 bytes of this structure, but is kept in native
	41	* format instead of big endian.
e1b4271a DC	42	*
	43	* Note: di_flushiter is only used by v1/2 inodes - it's effectively a zeroed
	44	* padding field for v3 inodes.
1da177e4	45	*/
81591fe2	46	typedef struct xfs_dinode {
347d1c01 CH	47	__be16 di_magic; /* inode magic # = XFS_DINODE_MAGIC */
	48	__be16 di_mode; /* mode and type of file */
	49	__u8 di_version; /* inode version */
	50	__u8 di_format; /* format of di_c data */
	51	__be16 di_onlink; /* old number of links to file */
	52	__be32 di_uid; /* owner's user id */
	53	__be32 di_gid; /* owner's group id */
	54	__be32 di_nlink; /* number of links to file */
6743099c AM	55	__be16 di_projid_lo; /* lower part of owner's project id */
	56	__be16 di_projid_hi; /* higher part owner's project id */
	57	__u8 di_pad[6]; /* unused, zeroed space */
347d1c01	58	__be16 di_flushiter; /* incremented on flush */
1da177e4 LT	59	xfs_timestamp_t di_atime; /* time last accessed */
	60	xfs_timestamp_t di_mtime; /* time last modified */
	61	xfs_timestamp_t di_ctime; /* time created/inode modified */
347d1c01 CH	62	__be64 di_size; /* number of bytes in file */
	63	__be64 di_nblocks; /* # of direct & btree blocks used */
	64	__be32 di_extsize; /* basic/minimum extent size for file */
	65	__be32 di_nextents; /* number of extents in data fork */
	66	__be16 di_anextents; /* number of extents in attribute fork*/
	67	__u8 di_forkoff; /* attr fork offs, <<3 for 64b align */
	68	__s8 di_aformat; /* format of attr fork's data */
	69	__be32 di_dmevmask; /* DMIG event mask */
	70	__be16 di_dmstate; /* DMIG state info */
	71	__be16 di_flags; /* random flags, XFS_DIFLAG_... */
	72	__be32 di_gen; /* generation number */
1da177e4	73
81591fe2 CH	74	/* di_next_unlinked is the only non-core field in the old dinode */
81591fe2 CH	75	__be32 di_next_unlinked;/* agi unlinked list ptr */
93848a99 CH	76
	77	/* start of the extended dinode, writable fields */
	78	__le32 di_crc; /* CRC of the inode */
	79	__be64 di_changecount; /* number of attribute changes */
	80	__be64 di_lsn; /* flush sequence */
	81	__be64 di_flags2; /* more random flags */
	82	__u8 di_pad2[16]; /* more padding for future expansion */
	83
	84	/* fields only written to during inode creation */
	85	xfs_timestamp_t di_crtime; /* time created */
	86	__be64 di_ino; /* inode number */
	87	uuid_t di_uuid; /* UUID of the filesystem */
	88
	89	/* structure must be padded to 64 bit alignment */
	90	} xfs_dinode_t;
1da177e4	91
81591fe2	92	#define DI_MAX_FLUSH 0xffff
1da177e4	93
93848a99 CH	94	/*
	95	* Size of the core inode on disk. Version 1 and 2 inodes have
	96	* the same size, but version 3 has grown a few additional fields.
	97	*/
	98	static inline uint xfs_dinode_size(int version)
	99	{
	100	if (version == 3)
	101	return sizeof(struct xfs_dinode);
	102	return offsetof(struct xfs_dinode, di_crc);
	103	}
	104
1da177e4 LT	105	/*
	106	* The 32 bit link count in the inode theoretically maxes out at UINT_MAX.
	107	* Since the pathconf interface is signed, we use 2^31 - 1 instead.
	108	* The old inode format had a 16 bit link count, so its maximum is USHRT_MAX.
	109	*/
	110	#define XFS_MAXLINK ((1U << 31) - 1U)
	111	#define XFS_MAXLINK_1 65535U
	112
1da177e4 LT	113	/*
	114	* Values for di_format
	115	*/
81591fe2 CH	116	typedef enum xfs_dinode_fmt {
	117	XFS_DINODE_FMT_DEV, /* xfs_dev_t */
	118	XFS_DINODE_FMT_LOCAL, /* bulk data */
	119	XFS_DINODE_FMT_EXTENTS, /* struct xfs_bmbt_rec */
	120	XFS_DINODE_FMT_BTREE, /* struct xfs_bmdr_block */
	121	XFS_DINODE_FMT_UUID /* uuid_t */
1da177e4 LT	122	} xfs_dinode_fmt_t;
	123
	124	/*
	125	* Inode minimum and maximum sizes.
	126	*/
	127	#define XFS_DINODE_MIN_LOG 8
	128	#define XFS_DINODE_MAX_LOG 11
	129	#define XFS_DINODE_MIN_SIZE (1 << XFS_DINODE_MIN_LOG)
	130	#define XFS_DINODE_MAX_SIZE (1 << XFS_DINODE_MAX_LOG)
	131
	132	/*
	133	* Inode size for given fs.
	134	*/
56cea2d0	135	#define XFS_LITINO(mp, version) \
93848a99	136	((int)(((mp)->m_sb.sb_inodesize) - xfs_dinode_size(version)))
6447c362	137
1da177e4 LT	138	/*
	139	* Inode data & attribute fork sizes, per inode.
	140	*/
81591fe2 CH	141	#define XFS_DFORK_Q(dip) ((dip)->di_forkoff != 0)
81591fe2 CH	142	#define XFS_DFORK_BOFF(dip) ((int)((dip)->di_forkoff << 3))
1da177e4	143
a844f451	144	#define XFS_DFORK_DSIZE(dip,mp) \
45ba598e CH	145	(XFS_DFORK_Q(dip) ? \
45ba598e CH	146	XFS_DFORK_BOFF(dip) : \
56cea2d0	147	XFS_LITINO(mp, (dip)->di_version))
a844f451	148	#define XFS_DFORK_ASIZE(dip,mp) \
45ba598e	149	(XFS_DFORK_Q(dip) ? \
56cea2d0	150	XFS_LITINO(mp, (dip)->di_version) - XFS_DFORK_BOFF(dip) : \
45ba598e CH	151	0)
45ba598e CH	152	#define XFS_DFORK_SIZE(dip,mp,w) \
1da177e4	153	((w) == XFS_DATA_FORK ? \
45ba598e CH	154	XFS_DFORK_DSIZE(dip, mp) : \
45ba598e CH	155	XFS_DFORK_ASIZE(dip, mp))
1da177e4	156
81591fe2 CH	157	/*
	158	* Return pointers to the data or attribute forks.
	159	*/
	160	#define XFS_DFORK_DPTR(dip) \
93848a99	161	((char *)dip + xfs_dinode_size(dip->di_version))
45ba598e	162	#define XFS_DFORK_APTR(dip) \
81591fe2	163	(XFS_DFORK_DPTR(dip) + XFS_DFORK_BOFF(dip))
45ba598e CH	164	#define XFS_DFORK_PTR(dip,w) \
45ba598e CH	165	((w) == XFS_DATA_FORK ? XFS_DFORK_DPTR(dip) : XFS_DFORK_APTR(dip))
81591fe2	166
45ba598e	167	#define XFS_DFORK_FORMAT(dip,w) \
1da177e4	168	((w) == XFS_DATA_FORK ? \
81591fe2 CH	169	(dip)->di_format : \
81591fe2 CH	170	(dip)->di_aformat)
45ba598e	171	#define XFS_DFORK_NEXTENTS(dip,w) \
1da177e4	172	((w) == XFS_DATA_FORK ? \
81591fe2 CH	173	be32_to_cpu((dip)->di_nextents) : \
81591fe2 CH	174	be16_to_cpu((dip)->di_anextents))
1da177e4	175
62926044	176	#define XFS_BUF_TO_DINODE(bp) ((xfs_dinode_t *)((bp)->b_addr))
1da177e4	177
81591fe2 CH	178	/*
	179	* For block and character special files the 32bit dev_t is stored at the
	180	* beginning of the data fork.
	181	*/
	182	static inline xfs_dev_t xfs_dinode_get_rdev(struct xfs_dinode *dip)
	183	{
	184	return be32_to_cpu((__be32 )XFS_DFORK_DPTR(dip));
	185	}
	186
	187	static inline void xfs_dinode_put_rdev(struct xfs_dinode *dip, xfs_dev_t rdev)
	188	{
	189	(__be32 )XFS_DFORK_DPTR(dip) = cpu_to_be32(rdev);
	190	}
	191
1da177e4 LT	192	/*
	193	* Values for di_flags
	194	* There should be a one-to-one correspondence between these flags and the
	195	* XFS_XFLAG_s.
	196	*/
	197	#define XFS_DIFLAG_REALTIME_BIT 0 /* file's blocks come from rt area */
	198	#define XFS_DIFLAG_PREALLOC_BIT 1 /* file space has been preallocated */
	199	#define XFS_DIFLAG_NEWRTBM_BIT 2 /* for rtbitmap inode, new format */
	200	#define XFS_DIFLAG_IMMUTABLE_BIT 3 /* inode is immutable */
	201	#define XFS_DIFLAG_APPEND_BIT 4 /* inode is append-only */
	202	#define XFS_DIFLAG_SYNC_BIT 5 /* inode is written synchronously */
	203	#define XFS_DIFLAG_NOATIME_BIT 6 /* do not update atime */
	204	#define XFS_DIFLAG_NODUMP_BIT 7 /* do not dump */
	205	#define XFS_DIFLAG_RTINHERIT_BIT 8 /* create with realtime bit set */
dd9f438e NS	206	#define XFS_DIFLAG_PROJINHERIT_BIT 9 /* create with parents projid */
	207	#define XFS_DIFLAG_NOSYMLINKS_BIT 10 /* disallow symlink creation */
	208	#define XFS_DIFLAG_EXTSIZE_BIT 11 /* inode extent size allocator hint */
	209	#define XFS_DIFLAG_EXTSZINHERIT_BIT 12 /* inherit inode extent size */
d3446eac	210	#define XFS_DIFLAG_NODEFRAG_BIT 13 /* do not reorganize/defragment */
2a82b8be	211	#define XFS_DIFLAG_FILESTREAM_BIT 14 /* use filestream allocator */
1da177e4 LT	212	#define XFS_DIFLAG_REALTIME (1 << XFS_DIFLAG_REALTIME_BIT)
	213	#define XFS_DIFLAG_PREALLOC (1 << XFS_DIFLAG_PREALLOC_BIT)
	214	#define XFS_DIFLAG_NEWRTBM (1 << XFS_DIFLAG_NEWRTBM_BIT)
	215	#define XFS_DIFLAG_IMMUTABLE (1 << XFS_DIFLAG_IMMUTABLE_BIT)
	216	#define XFS_DIFLAG_APPEND (1 << XFS_DIFLAG_APPEND_BIT)
	217	#define XFS_DIFLAG_SYNC (1 << XFS_DIFLAG_SYNC_BIT)
	218	#define XFS_DIFLAG_NOATIME (1 << XFS_DIFLAG_NOATIME_BIT)
	219	#define XFS_DIFLAG_NODUMP (1 << XFS_DIFLAG_NODUMP_BIT)
	220	#define XFS_DIFLAG_RTINHERIT (1 << XFS_DIFLAG_RTINHERIT_BIT)
	221	#define XFS_DIFLAG_PROJINHERIT (1 << XFS_DIFLAG_PROJINHERIT_BIT)
	222	#define XFS_DIFLAG_NOSYMLINKS (1 << XFS_DIFLAG_NOSYMLINKS_BIT)
dd9f438e NS	223	#define XFS_DIFLAG_EXTSIZE (1 << XFS_DIFLAG_EXTSIZE_BIT)
dd9f438e NS	224	#define XFS_DIFLAG_EXTSZINHERIT (1 << XFS_DIFLAG_EXTSZINHERIT_BIT)
d3446eac	225	#define XFS_DIFLAG_NODEFRAG (1 << XFS_DIFLAG_NODEFRAG_BIT)
2a82b8be	226	#define XFS_DIFLAG_FILESTREAM (1 << XFS_DIFLAG_FILESTREAM_BIT)
1da177e4	227
71ddabb9 ES	228	#ifdef CONFIG_XFS_RT
	229	#define XFS_IS_REALTIME_INODE(ip) ((ip)->i_d.di_flags & XFS_DIFLAG_REALTIME)
	230	#else
	231	#define XFS_IS_REALTIME_INODE(ip) (0)
	232	#endif
	233
1da177e4 LT	234	#define XFS_DIFLAG_ANY \
	235	(XFS_DIFLAG_REALTIME \| XFS_DIFLAG_PREALLOC \| XFS_DIFLAG_NEWRTBM \| \
	236	XFS_DIFLAG_IMMUTABLE \| XFS_DIFLAG_APPEND \| XFS_DIFLAG_SYNC \| \
	237	XFS_DIFLAG_NOATIME \| XFS_DIFLAG_NODUMP \| XFS_DIFLAG_RTINHERIT \| \
dd9f438e	238	XFS_DIFLAG_PROJINHERIT \| XFS_DIFLAG_NOSYMLINKS \| XFS_DIFLAG_EXTSIZE \| \
2a82b8be	239	XFS_DIFLAG_EXTSZINHERIT \| XFS_DIFLAG_NODEFRAG \| XFS_DIFLAG_FILESTREAM)
1da177e4 LT	240
1da177e4 LT	241	#endif /* __XFS_DINODE_H__ */