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-rw-r--r--fs/xfs/xfs_dinode.h471
1 files changed, 148 insertions, 323 deletions
diff --git a/fs/xfs/xfs_dinode.h b/fs/xfs/xfs_dinode.h
index f5c932b064e..623bbe8fd92 100644
--- a/fs/xfs/xfs_dinode.h
+++ b/fs/xfs/xfs_dinode.h
@@ -1,122 +1,108 @@
/*
- * Copyright (c) 2000, 2002 Silicon Graphics, Inc. All Rights Reserved.
+ * 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 version 2 of the GNU General Public License as
+ * 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.
+ * 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.
*
- * Further, this software is distributed without any warranty that it is
- * free of the rightful claim of any third person regarding infringement
- * or the like. Any license provided herein, whether implied or
- * otherwise, applies only to this software file. Patent licenses, if
- * any, provided herein do not apply to combinations of this program with
- * other software, or any other product whatsoever.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
- * Mountain View, CA 94043, or:
- *
- * http://www.sgi.com
- *
- * For further information regarding this notice, see:
- *
- * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+ * 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__
-struct xfs_buf;
-struct xfs_mount;
-
-#define XFS_DINODE_VERSION_1 1
-#define XFS_DINODE_VERSION_2 2
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DINODE_GOOD_VERSION)
-int xfs_dinode_good_version(int v);
-#define XFS_DINODE_GOOD_VERSION(v) xfs_dinode_good_version(v)
-#else
-#define XFS_DINODE_GOOD_VERSION(v) (((v) == XFS_DINODE_VERSION_1) || \
- ((v) == XFS_DINODE_VERSION_2))
-#endif
-#define XFS_DINODE_MAGIC 0x494e /* 'IN' */
+#define XFS_DINODE_MAGIC 0x494e /* 'IN' */
+#define XFS_DINODE_GOOD_VERSION(v) ((v) >= 1 && (v) <= 3)
-/*
- * Disk inode structure.
- * This is just the header; the inode is expanded to fill a variable size
- * with the last field expanding. It is split into the core and "other"
- * because we only need the core part in the in-core inode.
- */
typedef struct xfs_timestamp {
- __int32_t t_sec; /* timestamp seconds */
- __int32_t t_nsec; /* timestamp nanoseconds */
+ __be32 t_sec; /* timestamp seconds */
+ __be32 t_nsec; /* timestamp nanoseconds */
} xfs_timestamp_t;
/*
- * Note: Coordinate changes to this structure with the XFS_DI_* #defines
- * below and the offsets table in xfs_ialloc_log_di().
+ * 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_core
-{
- __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; /* owner's project id */
- __uint8_t di_pad[8]; /* unused, zeroed space */
- __uint16_t di_flushiter; /* incremented on flush */
+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 */
- 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 */
-} xfs_dinode_core_t;
+ __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
-typedef struct xfs_dinode
+/*
+ * 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)
{
- xfs_dinode_core_t di_core;
- /*
- * In adding anything between the core and the union, be
- * sure to update the macros like XFS_LITINO below and
- * XFS_BMAP_RBLOCK_DSIZE in xfs_bmap_btree.h.
- */
- xfs_agino_t di_next_unlinked;/* agi unlinked list ptr */
- union {
- xfs_bmdr_block_t di_bmbt; /* btree root block */
- xfs_bmbt_rec_32_t di_bmx[1]; /* extent list */
- xfs_dir_shortform_t di_dirsf; /* shortform directory */
- xfs_dir2_sf_t di_dir2sf; /* shortform directory v2 */
- char di_c[1]; /* local contents */
- xfs_dev_t di_dev; /* device for S_IFCHR/S_IFBLK */
- uuid_t di_muuid; /* mount point value */
- char di_symlink[1]; /* local symbolic link */
- } di_u;
- union {
- xfs_bmdr_block_t di_abmbt; /* btree root block */
- xfs_bmbt_rec_32_t di_abmx[1]; /* extent list */
- xfs_attr_shortform_t di_attrsf; /* shortform attribute list */
- } di_a;
-} xfs_dinode_t;
+ 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.
@@ -127,50 +113,14 @@ typedef struct xfs_dinode
#define XFS_MAXLINK_1 65535U
/*
- * Bit names for logging disk inodes only
- */
-#define XFS_DI_MAGIC 0x0000001
-#define XFS_DI_MODE 0x0000002
-#define XFS_DI_VERSION 0x0000004
-#define XFS_DI_FORMAT 0x0000008
-#define XFS_DI_ONLINK 0x0000010
-#define XFS_DI_UID 0x0000020
-#define XFS_DI_GID 0x0000040
-#define XFS_DI_NLINK 0x0000080
-#define XFS_DI_PROJID 0x0000100
-#define XFS_DI_PAD 0x0000200
-#define XFS_DI_ATIME 0x0000400
-#define XFS_DI_MTIME 0x0000800
-#define XFS_DI_CTIME 0x0001000
-#define XFS_DI_SIZE 0x0002000
-#define XFS_DI_NBLOCKS 0x0004000
-#define XFS_DI_EXTSIZE 0x0008000
-#define XFS_DI_NEXTENTS 0x0010000
-#define XFS_DI_NAEXTENTS 0x0020000
-#define XFS_DI_FORKOFF 0x0040000
-#define XFS_DI_AFORMAT 0x0080000
-#define XFS_DI_DMEVMASK 0x0100000
-#define XFS_DI_DMSTATE 0x0200000
-#define XFS_DI_FLAGS 0x0400000
-#define XFS_DI_GEN 0x0800000
-#define XFS_DI_NEXT_UNLINKED 0x1000000
-#define XFS_DI_U 0x2000000
-#define XFS_DI_A 0x4000000
-#define XFS_DI_NUM_BITS 27
-#define XFS_DI_ALL_BITS ((1 << XFS_DI_NUM_BITS) - 1)
-#define XFS_DI_CORE_BITS (XFS_DI_ALL_BITS & ~(XFS_DI_U|XFS_DI_A))
-
-/*
* Values for di_format
*/
-typedef enum xfs_dinode_fmt
-{
- XFS_DINODE_FMT_DEV, /* CHR, BLK: di_dev */
- XFS_DINODE_FMT_LOCAL, /* DIR, REG: di_c */
- /* LNK: di_symlink */
- XFS_DINODE_FMT_EXTENTS, /* DIR, REG, LNK: di_bmx */
- XFS_DINODE_FMT_BTREE, /* DIR, REG, LNK: di_bmbt */
- XFS_DINODE_FMT_UUID /* MNT: di_uuid */
+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;
/*
@@ -184,202 +134,62 @@ typedef enum xfs_dinode_fmt
/*
* Inode size for given fs.
*/
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LITINO)
-int xfs_litino(struct xfs_mount *mp);
-#define XFS_LITINO(mp) xfs_litino(mp)
-#else
-#define XFS_LITINO(mp) ((mp)->m_litino)
-#endif
-#define XFS_BROOT_SIZE_ADJ \
- (sizeof(xfs_bmbt_block_t) - sizeof(xfs_bmdr_block_t))
-
-/*
- * Fork identifiers. Here so utilities can use them without including
- * xfs_inode.h.
- */
-#define XFS_DATA_FORK 0
-#define XFS_ATTR_FORK 1
+#define XFS_LITINO(mp, version) \
+ ((int)(((mp)->m_sb.sb_inodesize) - xfs_dinode_size(version)))
/*
* Inode data & attribute fork sizes, per inode.
*/
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_Q)
-int xfs_cfork_q_disk(xfs_dinode_core_t *dcp);
-int xfs_cfork_q(xfs_dinode_core_t *dcp);
-#define XFS_CFORK_Q_DISK(dcp) xfs_cfork_q_disk(dcp)
-#define XFS_CFORK_Q(dcp) xfs_cfork_q(dcp)
-#else
-#define XFS_CFORK_Q_DISK(dcp) ((dcp)->di_forkoff != 0)
-#define XFS_CFORK_Q(dcp) ((dcp)->di_forkoff != 0)
-
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_BOFF)
-int xfs_cfork_boff_disk(xfs_dinode_core_t *dcp);
-int xfs_cfork_boff(xfs_dinode_core_t *dcp);
-#define XFS_CFORK_BOFF_DISK(dcp) xfs_cfork_boff_disk(dcp)
-#define XFS_CFORK_BOFF(dcp) xfs_cfork_boff(dcp)
-#else
-#define XFS_CFORK_BOFF_DISK(dcp) ((int)(INT_GET((dcp)->di_forkoff, ARCH_CONVERT) << 3))
-#define XFS_CFORK_BOFF(dcp) ((int)((dcp)->di_forkoff << 3))
-
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_DSIZE)
-int xfs_cfork_dsize_disk(xfs_dinode_core_t *dcp, struct xfs_mount *mp);
-int xfs_cfork_dsize(xfs_dinode_core_t *dcp, struct xfs_mount *mp);
-#define XFS_CFORK_DSIZE_DISK(dcp,mp) xfs_cfork_dsize_disk(dcp,mp)
-#define XFS_CFORK_DSIZE(dcp,mp) xfs_cfork_dsize(dcp,mp)
-#else
-#define XFS_CFORK_DSIZE_DISK(dcp,mp) \
- (XFS_CFORK_Q_DISK(dcp) ? XFS_CFORK_BOFF_DISK(dcp) : XFS_LITINO(mp))
-#define XFS_CFORK_DSIZE(dcp,mp) \
- (XFS_CFORK_Q(dcp) ? XFS_CFORK_BOFF(dcp) : XFS_LITINO(mp))
-
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_ASIZE)
-int xfs_cfork_asize_disk(xfs_dinode_core_t *dcp, struct xfs_mount *mp);
-int xfs_cfork_asize(xfs_dinode_core_t *dcp, struct xfs_mount *mp);
-#define XFS_CFORK_ASIZE_DISK(dcp,mp) xfs_cfork_asize_disk(dcp,mp)
-#define XFS_CFORK_ASIZE(dcp,mp) xfs_cfork_asize(dcp,mp)
-#else
-#define XFS_CFORK_ASIZE_DISK(dcp,mp) \
- (XFS_CFORK_Q_DISK(dcp) ? XFS_LITINO(mp) - XFS_CFORK_BOFF_DISK(dcp) : 0)
-#define XFS_CFORK_ASIZE(dcp,mp) \
- (XFS_CFORK_Q(dcp) ? XFS_LITINO(mp) - XFS_CFORK_BOFF(dcp) : 0)
-
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_SIZE)
-int xfs_cfork_size_disk(xfs_dinode_core_t *dcp, struct xfs_mount *mp, int w);
-int xfs_cfork_size(xfs_dinode_core_t *dcp, struct xfs_mount *mp, int w);
-#define XFS_CFORK_SIZE_DISK(dcp,mp,w) xfs_cfork_size_disk(dcp,mp,w)
-#define XFS_CFORK_SIZE(dcp,mp,w) xfs_cfork_size(dcp,mp,w)
-#else
-#define XFS_CFORK_SIZE_DISK(dcp,mp,w) \
+#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_CFORK_DSIZE_DISK(dcp, mp) : \
- XFS_CFORK_ASIZE_DISK(dcp, mp))
-#define XFS_CFORK_SIZE(dcp,mp,w) \
- ((w) == XFS_DATA_FORK ? \
- XFS_CFORK_DSIZE(dcp, mp) : XFS_CFORK_ASIZE(dcp, mp))
-
-#endif
-
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_DSIZE)
-int xfs_dfork_dsize(xfs_dinode_t *dip, struct xfs_mount *mp);
-#define XFS_DFORK_DSIZE(dip,mp) xfs_dfork_dsize(dip,mp)
-#else
-#define XFS_DFORK_DSIZE(dip,mp) XFS_CFORK_DSIZE_DISK(&(dip)->di_core, mp)
-
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_ASIZE)
-int xfs_dfork_asize(xfs_dinode_t *dip, struct xfs_mount *mp);
-#define XFS_DFORK_ASIZE(dip,mp) xfs_dfork_asize(dip,mp)
-#else
-#define XFS_DFORK_ASIZE(dip,mp) XFS_CFORK_ASIZE_DISK(&(dip)->di_core, mp)
-
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_SIZE)
-int xfs_dfork_size(xfs_dinode_t *dip, struct xfs_mount *mp, int w);
-#define XFS_DFORK_SIZE(dip,mp,w) xfs_dfork_size(dip,mp,w)
-#else
-#define XFS_DFORK_SIZE(dip,mp,w) XFS_CFORK_SIZE_DISK(&(dip)->di_core, mp, w)
-
-#endif
+ XFS_DFORK_DSIZE(dip, mp) : \
+ XFS_DFORK_ASIZE(dip, mp))
/*
- * Macros for accessing per-fork disk inode information.
+ * Return pointers to the data or attribute forks.
*/
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_Q)
-int xfs_dfork_q(xfs_dinode_t *dip);
-#define XFS_DFORK_Q(dip) xfs_dfork_q(dip)
-#else
-#define XFS_DFORK_Q(dip) XFS_CFORK_Q_DISK(&(dip)->di_core)
-
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_BOFF)
-int xfs_dfork_boff(xfs_dinode_t *dip);
-#define XFS_DFORK_BOFF(dip) xfs_dfork_boff(dip)
-#else
-#define XFS_DFORK_BOFF(dip) XFS_CFORK_BOFF_DISK(&(dip)->di_core)
-
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_DPTR)
-char *xfs_dfork_dptr(xfs_dinode_t *dip);
-#define XFS_DFORK_DPTR(dip) xfs_dfork_dptr(dip)
-#else
-#define XFS_DFORK_DPTR(dip) ((dip)->di_u.di_c)
-
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_APTR)
-char *xfs_dfork_aptr(xfs_dinode_t *dip);
-#define XFS_DFORK_APTR(dip) xfs_dfork_aptr(dip)
-#else
-#define XFS_DFORK_APTR(dip) ((dip)->di_u.di_c + XFS_DFORK_BOFF(dip))
-
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_PTR)
-char *xfs_dfork_ptr(xfs_dinode_t *dip, int w);
-#define XFS_DFORK_PTR(dip,w) xfs_dfork_ptr(dip,w)
-#else
-#define XFS_DFORK_PTR(dip,w) \
+#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))
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_FORMAT)
-int xfs_cfork_format(xfs_dinode_core_t *dcp, int w);
-#define XFS_CFORK_FORMAT(dcp,w) xfs_cfork_format(dcp,w)
-#else
-#define XFS_CFORK_FORMAT(dcp,w) \
- ((w) == XFS_DATA_FORK ? (dcp)->di_format : (dcp)->di_aformat)
-
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_FMT_SET)
-void xfs_cfork_fmt_set(xfs_dinode_core_t *dcp, int w, int n);
-#define XFS_CFORK_FMT_SET(dcp,w,n) xfs_cfork_fmt_set(dcp,w,n)
-#else
-#define XFS_CFORK_FMT_SET(dcp,w,n) \
+#define XFS_DFORK_FORMAT(dip,w) \
((w) == XFS_DATA_FORK ? \
- ((dcp)->di_format = (n)) : \
- ((dcp)->di_aformat = (n)))
-
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_NEXTENTS)
-int xfs_cfork_nextents_disk(xfs_dinode_core_t *dcp, int w);
-int xfs_cfork_nextents(xfs_dinode_core_t *dcp, int w);
-#define XFS_CFORK_NEXTENTS_DISK(dcp,w) xfs_cfork_nextents_disk(dcp,w)
-#define XFS_CFORK_NEXTENTS(dcp,w) xfs_cfork_nextents(dcp,w)
-#else
-#define XFS_CFORK_NEXTENTS_DISK(dcp,w) \
+ (dip)->di_format : \
+ (dip)->di_aformat)
+#define XFS_DFORK_NEXTENTS(dip,w) \
((w) == XFS_DATA_FORK ? \
- INT_GET((dcp)->di_nextents, ARCH_CONVERT) : \
- INT_GET((dcp)->di_anextents, ARCH_CONVERT))
-#define XFS_CFORK_NEXTENTS(dcp,w) \
- ((w) == XFS_DATA_FORK ? (dcp)->di_nextents : (dcp)->di_anextents)
+ be32_to_cpu((dip)->di_nextents) : \
+ be16_to_cpu((dip)->di_anextents))
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_NEXT_SET)
-void xfs_cfork_next_set(xfs_dinode_core_t *dcp, int w, int n);
-#define XFS_CFORK_NEXT_SET(dcp,w,n) xfs_cfork_next_set(dcp,w,n)
-#else
-#define XFS_CFORK_NEXT_SET(dcp,w,n) \
- ((w) == XFS_DATA_FORK ? \
- ((dcp)->di_nextents = (n)) : \
- ((dcp)->di_anextents = (n)))
-
-#endif
+#define XFS_BUF_TO_DINODE(bp) ((xfs_dinode_t *)((bp)->b_addr))
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_NEXTENTS)
-int xfs_dfork_nextents(xfs_dinode_t *dip, int w);
-#define XFS_DFORK_NEXTENTS(dip,w) xfs_dfork_nextents(dip,w)
-#else
-#define XFS_DFORK_NEXTENTS(dip,w) XFS_CFORK_NEXTENTS_DISK(&(dip)->di_core, w)
-#endif
+/*
+ * 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));
+}
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BUF_TO_DINODE)
-xfs_dinode_t *xfs_buf_to_dinode(struct xfs_buf *bp);
-#define XFS_BUF_TO_DINODE(bp) xfs_buf_to_dinode(bp)
-#else
-#define XFS_BUF_TO_DINODE(bp) ((xfs_dinode_t *)(XFS_BUF_PTR(bp)))
-#endif
+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
@@ -395,8 +205,12 @@ xfs_dinode_t *xfs_buf_to_dinode(struct xfs_buf *bp);
#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_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)
@@ -408,11 +222,22 @@ xfs_dinode_t *xfs_buf_to_dinode(struct xfs_buf *bp);
#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_PROJINHERIT | XFS_DIFLAG_NOSYMLINKS | XFS_DIFLAG_EXTSIZE | \
+ XFS_DIFLAG_EXTSZINHERIT | XFS_DIFLAG_NODEFRAG | XFS_DIFLAG_FILESTREAM)
#endif /* __XFS_DINODE_H__ */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-06 00:54:08 +0000