diff options
author | merge <null@invalid> | 2009-01-22 13:55:32 +0000 |
---|---|---|
committer | Andy Green <agreen@octopus.localdomain> | 2009-01-22 13:55:32 +0000 |
commit | aa6f5ffbdba45aa8e19e5048648fc6c7b25376d3 (patch) | |
tree | fbb786d0ac6f8a774fd834e9ce951197e60fbffa /fs/xfs/xfs_sb.h | |
parent | f2d78193eae5dccd3d588d2c8ea0866efc368332 (diff) |
MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141
pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 / fdf777a63bcb59e0dfd78bfe2c6242e01f6d4eb9 ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040
stable-tracking-hist top was MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 / 90463bfd2d5a3c8b52f6e6d71024a00e052b0ced ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-mokopatches-tracking-hist-fix-stray-endmenu-patch
mokopatches-tracking-hist top was fix-stray-endmenu-patch / 3630e0be570de8057e7f8d2fe501ed353cdf34e6 ... parent commitmessage:
From: Andy Green <andy@openmoko.com>
fix-stray-endmenu.patch
Signed-off-by: Andy Green <andy@openmoko.com>
Diffstat (limited to 'fs/xfs/xfs_sb.h')
-rw-r--r-- | fs/xfs/xfs_sb.h | 167 |
1 files changed, 87 insertions, 80 deletions
diff --git a/fs/xfs/xfs_sb.h b/fs/xfs/xfs_sb.h index 3f8cf1587f4..1ed71916e4c 100644 --- a/fs/xfs/xfs_sb.h +++ b/fs/xfs/xfs_sb.h @@ -79,6 +79,7 @@ struct xfs_mount; #define XFS_SB_VERSION2_LAZYSBCOUNTBIT 0x00000002 /* Superblk counters */ #define XFS_SB_VERSION2_RESERVED4BIT 0x00000004 #define XFS_SB_VERSION2_ATTR2BIT 0x00000008 /* Inline attr rework */ +#define XFS_SB_VERSION2_PARENTBIT 0x00000010 /* parent pointers */ #define XFS_SB_VERSION2_OKREALFBITS \ (XFS_SB_VERSION2_LAZYSBCOUNTBIT | \ @@ -296,30 +297,34 @@ typedef enum { #define XFS_SB_VERSION_NUM(sbp) ((sbp)->sb_versionnum & XFS_SB_VERSION_NUMBITS) -#ifdef __KERNEL__ static inline int xfs_sb_good_version(xfs_sb_t *sbp) { - return (((sbp->sb_versionnum >= XFS_SB_VERSION_1) && \ - (sbp->sb_versionnum <= XFS_SB_VERSION_3)) || \ - ((XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \ - !((sbp->sb_versionnum & ~XFS_SB_VERSION_OKREALBITS) || \ - ((sbp->sb_versionnum & XFS_SB_VERSION_MOREBITSBIT) && \ - (sbp->sb_features2 & ~XFS_SB_VERSION2_OKREALBITS))) && \ - (sbp->sb_shared_vn <= XFS_SB_MAX_SHARED_VN))); -} + /* We always support version 1-3 */ + if (sbp->sb_versionnum >= XFS_SB_VERSION_1 && + sbp->sb_versionnum <= XFS_SB_VERSION_3) + return 1; + + /* We support version 4 if all feature bits are supported */ + if (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) { + if ((sbp->sb_versionnum & ~XFS_SB_VERSION_OKREALBITS) || + ((sbp->sb_versionnum & XFS_SB_VERSION_MOREBITSBIT) && + (sbp->sb_features2 & ~XFS_SB_VERSION2_OKREALBITS))) + return 0; + +#ifdef __KERNEL__ + if (sbp->sb_shared_vn > XFS_SB_MAX_SHARED_VN) + return 0; #else -static inline int xfs_sb_good_version(xfs_sb_t *sbp) -{ - return (((sbp->sb_versionnum >= XFS_SB_VERSION_1) && \ - (sbp->sb_versionnum <= XFS_SB_VERSION_3)) || \ - ((XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \ - !((sbp->sb_versionnum & ~XFS_SB_VERSION_OKREALBITS) || \ - ((sbp->sb_versionnum & XFS_SB_VERSION_MOREBITSBIT) && \ - (sbp->sb_features2 & ~XFS_SB_VERSION2_OKREALBITS))) && \ - (!(sbp->sb_versionnum & XFS_SB_VERSION_SHAREDBIT) || \ - (sbp->sb_shared_vn <= XFS_SB_MAX_SHARED_VN)))); + if ((sbp->sb_versionnum & XFS_SB_VERSION_SHAREDBIT) && + sbp->sb_shared_vn > XFS_SB_MAX_SHARED_VN) + return 0; +#endif + + return 1; + } + + return 0; } -#endif /* __KERNEL__ */ /* * Detect a mismatched features2 field. Older kernels read/wrote @@ -332,123 +337,127 @@ static inline int xfs_sb_has_mismatched_features2(xfs_sb_t *sbp) static inline unsigned xfs_sb_version_tonew(unsigned v) { - return ((((v) == XFS_SB_VERSION_1) ? \ - 0 : \ - (((v) == XFS_SB_VERSION_2) ? \ - XFS_SB_VERSION_ATTRBIT : \ - (XFS_SB_VERSION_ATTRBIT | XFS_SB_VERSION_NLINKBIT))) | \ - XFS_SB_VERSION_4); + if (v == XFS_SB_VERSION_1) + return XFS_SB_VERSION_4; + + if (v == XFS_SB_VERSION_2) + return XFS_SB_VERSION_4 | XFS_SB_VERSION_ATTRBIT; + + return XFS_SB_VERSION_4 | XFS_SB_VERSION_ATTRBIT | + XFS_SB_VERSION_NLINKBIT; } static inline unsigned xfs_sb_version_toold(unsigned v) { - return (((v) & (XFS_SB_VERSION_QUOTABIT | XFS_SB_VERSION_ALIGNBIT)) ? \ - 0 : \ - (((v) & XFS_SB_VERSION_NLINKBIT) ? \ - XFS_SB_VERSION_3 : \ - (((v) & XFS_SB_VERSION_ATTRBIT) ? \ - XFS_SB_VERSION_2 : \ - XFS_SB_VERSION_1))); + if (v & (XFS_SB_VERSION_QUOTABIT | XFS_SB_VERSION_ALIGNBIT)) + return 0; + if (v & XFS_SB_VERSION_NLINKBIT) + return XFS_SB_VERSION_3; + if (v & XFS_SB_VERSION_ATTRBIT) + return XFS_SB_VERSION_2; + return XFS_SB_VERSION_1; } static inline int xfs_sb_version_hasattr(xfs_sb_t *sbp) { - return ((sbp)->sb_versionnum == XFS_SB_VERSION_2) || \ - ((sbp)->sb_versionnum == XFS_SB_VERSION_3) || \ - ((XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \ - ((sbp)->sb_versionnum & XFS_SB_VERSION_ATTRBIT)); + return sbp->sb_versionnum == XFS_SB_VERSION_2 || + sbp->sb_versionnum == XFS_SB_VERSION_3 || + (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4 && + (sbp->sb_versionnum & XFS_SB_VERSION_ATTRBIT)); } static inline void xfs_sb_version_addattr(xfs_sb_t *sbp) { - (sbp)->sb_versionnum = (((sbp)->sb_versionnum == XFS_SB_VERSION_1) ? \ - XFS_SB_VERSION_2 : \ - ((XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) ? \ - ((sbp)->sb_versionnum | XFS_SB_VERSION_ATTRBIT) : \ - (XFS_SB_VERSION_4 | XFS_SB_VERSION_ATTRBIT))); + if (sbp->sb_versionnum == XFS_SB_VERSION_1) + sbp->sb_versionnum = XFS_SB_VERSION_2; + else if (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) + sbp->sb_versionnum |= XFS_SB_VERSION_ATTRBIT; + else + sbp->sb_versionnum = XFS_SB_VERSION_4 | XFS_SB_VERSION_ATTRBIT; } static inline int xfs_sb_version_hasnlink(xfs_sb_t *sbp) { - return ((sbp)->sb_versionnum == XFS_SB_VERSION_3) || \ - ((XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \ - ((sbp)->sb_versionnum & XFS_SB_VERSION_NLINKBIT)); + return sbp->sb_versionnum == XFS_SB_VERSION_3 || + (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4 && + (sbp->sb_versionnum & XFS_SB_VERSION_NLINKBIT)); } static inline void xfs_sb_version_addnlink(xfs_sb_t *sbp) { - (sbp)->sb_versionnum = ((sbp)->sb_versionnum <= XFS_SB_VERSION_2 ? \ - XFS_SB_VERSION_3 : \ - ((sbp)->sb_versionnum | XFS_SB_VERSION_NLINKBIT)); + if (sbp->sb_versionnum <= XFS_SB_VERSION_2) + sbp->sb_versionnum = XFS_SB_VERSION_3; + else + sbp->sb_versionnum |= XFS_SB_VERSION_NLINKBIT; } static inline int xfs_sb_version_hasquota(xfs_sb_t *sbp) { - return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \ - ((sbp)->sb_versionnum & XFS_SB_VERSION_QUOTABIT); + return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4 && + (sbp->sb_versionnum & XFS_SB_VERSION_QUOTABIT); } static inline void xfs_sb_version_addquota(xfs_sb_t *sbp) { - (sbp)->sb_versionnum = \ - (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4 ? \ - ((sbp)->sb_versionnum | XFS_SB_VERSION_QUOTABIT) : \ - (xfs_sb_version_tonew((sbp)->sb_versionnum) | \ - XFS_SB_VERSION_QUOTABIT)); + if (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) + sbp->sb_versionnum |= XFS_SB_VERSION_QUOTABIT; + else + sbp->sb_versionnum = xfs_sb_version_tonew(sbp->sb_versionnum) | + XFS_SB_VERSION_QUOTABIT; } static inline int xfs_sb_version_hasalign(xfs_sb_t *sbp) { - return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \ - ((sbp)->sb_versionnum & XFS_SB_VERSION_ALIGNBIT); + return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4 && + (sbp->sb_versionnum & XFS_SB_VERSION_ALIGNBIT); } static inline int xfs_sb_version_hasdalign(xfs_sb_t *sbp) { - return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \ - ((sbp)->sb_versionnum & XFS_SB_VERSION_DALIGNBIT); + return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4 && + (sbp->sb_versionnum & XFS_SB_VERSION_DALIGNBIT); } static inline int xfs_sb_version_hasshared(xfs_sb_t *sbp) { - return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \ - ((sbp)->sb_versionnum & XFS_SB_VERSION_SHAREDBIT); + return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4 && + (sbp->sb_versionnum & XFS_SB_VERSION_SHAREDBIT); } static inline int xfs_sb_version_hasdirv2(xfs_sb_t *sbp) { - return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \ - ((sbp)->sb_versionnum & XFS_SB_VERSION_DIRV2BIT); + return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4 && + (sbp->sb_versionnum & XFS_SB_VERSION_DIRV2BIT); } static inline int xfs_sb_version_haslogv2(xfs_sb_t *sbp) { - return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \ - ((sbp)->sb_versionnum & XFS_SB_VERSION_LOGV2BIT); + return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4 && + (sbp->sb_versionnum & XFS_SB_VERSION_LOGV2BIT); } static inline int xfs_sb_version_hasextflgbit(xfs_sb_t *sbp) { - return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \ - ((sbp)->sb_versionnum & XFS_SB_VERSION_EXTFLGBIT); + return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4 && + (sbp->sb_versionnum & XFS_SB_VERSION_EXTFLGBIT); } static inline int xfs_sb_version_hassector(xfs_sb_t *sbp) { - return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \ - ((sbp)->sb_versionnum & XFS_SB_VERSION_SECTORBIT); + return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4 && + (sbp->sb_versionnum & XFS_SB_VERSION_SECTORBIT); } static inline int xfs_sb_version_hasasciici(xfs_sb_t *sbp) { - return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \ + return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4 && (sbp->sb_versionnum & XFS_SB_VERSION_BORGBIT); } static inline int xfs_sb_version_hasmorebits(xfs_sb_t *sbp) { - return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4) && \ - ((sbp)->sb_versionnum & XFS_SB_VERSION_MOREBITSBIT); + return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4 && + (sbp->sb_versionnum & XFS_SB_VERSION_MOREBITSBIT); } /* @@ -463,22 +472,20 @@ static inline int xfs_sb_version_hasmorebits(xfs_sb_t *sbp) static inline int xfs_sb_version_haslazysbcount(xfs_sb_t *sbp) { - return (xfs_sb_version_hasmorebits(sbp) && \ - ((sbp)->sb_features2 & XFS_SB_VERSION2_LAZYSBCOUNTBIT)); + return xfs_sb_version_hasmorebits(sbp) && + (sbp->sb_features2 & XFS_SB_VERSION2_LAZYSBCOUNTBIT); } static inline int xfs_sb_version_hasattr2(xfs_sb_t *sbp) { - return (xfs_sb_version_hasmorebits(sbp)) && \ - ((sbp)->sb_features2 & XFS_SB_VERSION2_ATTR2BIT); + return xfs_sb_version_hasmorebits(sbp) && + (sbp->sb_features2 & XFS_SB_VERSION2_ATTR2BIT); } static inline void xfs_sb_version_addattr2(xfs_sb_t *sbp) { - ((sbp)->sb_versionnum = \ - ((sbp)->sb_versionnum | XFS_SB_VERSION_MOREBITSBIT), \ - ((sbp)->sb_features2 = \ - ((sbp)->sb_features2 | XFS_SB_VERSION2_ATTR2BIT))); + sbp->sb_versionnum |= XFS_SB_VERSION_MOREBITSBIT; + sbp->sb_features2 |= XFS_SB_VERSION2_ATTR2BIT; } static inline void xfs_sb_version_removeattr2(xfs_sb_t *sbp) |