diff options
Diffstat (limited to 'fs/xfs/xfs_sb.h')
| -rw-r--r-- | fs/xfs/xfs_sb.h | 44 |
1 files changed, 34 insertions, 10 deletions
diff --git a/fs/xfs/xfs_sb.h b/fs/xfs/xfs_sb.h index ad090a834ced..01c5a5ff230e 100644 --- a/fs/xfs/xfs_sb.h +++ b/fs/xfs/xfs_sb.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000-2001 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) 2000-2005 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 @@ -72,7 +72,8 @@ struct xfs_mount; XFS_SB_VERSION_DALIGNBIT | \ XFS_SB_VERSION_SHAREDBIT | \ XFS_SB_VERSION_LOGV2BIT | \ - XFS_SB_VERSION_SECTORBIT) + XFS_SB_VERSION_SECTORBIT | \ + XFS_SB_VERSION_MOREBITSBIT) #define XFS_SB_VERSION_OKSASHBITS \ (XFS_SB_VERSION_NUMBITS | \ XFS_SB_VERSION_REALFBITS | \ @@ -103,12 +104,15 @@ struct xfs_mount; */ #define XFS_SB_VERSION2_REALFBITS 0x00ffffff /* Mask: features */ #define XFS_SB_VERSION2_RESERVED1BIT 0x00000001 +#define XFS_SB_VERSION2_RESERVED2BIT 0x00000002 +#define XFS_SB_VERSION2_RESERVED4BIT 0x00000004 +#define XFS_SB_VERSION2_ATTR2BIT 0x00000008 /* Inline attr rework */ #define XFS_SB_VERSION2_SASHFBITS 0xff000000 /* Mask: features that require changing PROM and SASH */ #define XFS_SB_VERSION2_OKREALFBITS \ - (0) + (XFS_SB_VERSION2_ATTR2BIT) #define XFS_SB_VERSION2_OKSASHFBITS \ (0) #define XFS_SB_VERSION2_OKREALBITS \ @@ -118,8 +122,7 @@ struct xfs_mount; /* * mkfs macro to set up sb_features2 word */ -#define XFS_SB_VERSION2_MKFS(xyz) \ - ((xyz) ? 0 : 0) +#define XFS_SB_VERSION2_MKFS(resvd1, sbcntr) 0 typedef struct xfs_sb { @@ -176,7 +179,7 @@ typedef struct xfs_sb __uint8_t sb_logsectlog; /* log2 of the log sector size */ __uint16_t sb_logsectsize; /* sector size for the log, bytes */ __uint32_t sb_logsunit; /* stripe unit size for the log */ - __uint32_t sb_features2; /* additonal feature bits */ + __uint32_t sb_features2; /* additional feature bits */ } xfs_sb_t; /* @@ -216,12 +219,15 @@ typedef enum { #define XFS_SB_SHARED_VN XFS_SB_MVAL(SHARED_VN) #define XFS_SB_UNIT XFS_SB_MVAL(UNIT) #define XFS_SB_WIDTH XFS_SB_MVAL(WIDTH) +#define XFS_SB_FEATURES2 XFS_SB_MVAL(FEATURES2) #define XFS_SB_NUM_BITS ((int)XFS_SBS_FIELDCOUNT) #define XFS_SB_ALL_BITS ((1LL << XFS_SB_NUM_BITS) - 1) #define XFS_SB_MOD_BITS \ (XFS_SB_UUID | XFS_SB_ROOTINO | XFS_SB_RBMINO | XFS_SB_RSUMINO | \ XFS_SB_VERSIONNUM | XFS_SB_UQUOTINO | XFS_SB_GQUOTINO | \ - XFS_SB_QFLAGS | XFS_SB_SHARED_VN | XFS_SB_UNIT | XFS_SB_WIDTH) + XFS_SB_QFLAGS | XFS_SB_SHARED_VN | XFS_SB_UNIT | XFS_SB_WIDTH | \ + XFS_SB_FEATURES2) + /* * Misc. Flags - warning - these will be cleared by xfs_repair unless @@ -500,13 +506,31 @@ int xfs_sb_version_hasmorebits(xfs_sb_t *sbp); /* * sb_features2 bit version macros. * - * For example, for a bit defined as XFS_SB_VERSION2_YBIT, has a macro: + * For example, for a bit defined as XFS_SB_VERSION2_FUNBIT, has a macro: * - * SB_VERSION_HASYBIT(xfs_sb_t *sbp) + * SB_VERSION_HASFUNBIT(xfs_sb_t *sbp) * ((XFS_SB_VERSION_HASMOREBITS(sbp) && - * ((sbp)->sb_versionnum & XFS_SB_VERSION2_YBIT) + * ((sbp)->sb_features2 & XFS_SB_VERSION2_FUNBIT) */ +#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_SB_VERSION_HASATTR2) +int xfs_sb_version_hasattr2(xfs_sb_t *sbp); +#define XFS_SB_VERSION_HASATTR2(sbp) xfs_sb_version_hasattr2(sbp) +#else +#define XFS_SB_VERSION_HASATTR2(sbp) \ + ((XFS_SB_VERSION_HASMOREBITS(sbp)) && \ + ((sbp)->sb_features2 & XFS_SB_VERSION2_ATTR2BIT)) +#endif +#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_SB_VERSION_ADDATTR2) +void xfs_sb_version_addattr2(xfs_sb_t *sbp); +#define XFS_SB_VERSION_ADDATTR2(sbp) xfs_sb_version_addattr2(sbp) +#else +#define XFS_SB_VERSION_ADDATTR2(sbp) \ + ((sbp)->sb_versionnum = \ + ((sbp)->sb_versionnum | XFS_SB_VERSION_MOREBITSBIT), \ + ((sbp)->sb_features2 = \ + ((sbp)->sb_features2 | XFS_SB_VERSION2_ATTR2BIT))) +#endif /* * end of superblock version macros */ |