diff options
Diffstat (limited to 'fs/xfs/xfs_sb.h')
| -rw-r--r-- | fs/xfs/xfs_sb.h | 72 |
1 files changed, 57 insertions, 15 deletions
diff --git a/fs/xfs/xfs_sb.h b/fs/xfs/xfs_sb.h index 78f9e70b80c7..6835b44f850e 100644 --- a/fs/xfs/xfs_sb.h +++ b/fs/xfs/xfs_sb.h @@ -26,6 +26,7 @@ struct xfs_buf; struct xfs_mount; +struct xfs_trans; #define XFS_SB_MAGIC 0x58465342 /* 'XFSB' */ #define XFS_SB_VERSION_1 1 /* 5.3, 6.0.1, 6.1 */ @@ -83,11 +84,13 @@ struct xfs_mount; #define XFS_SB_VERSION2_PARENTBIT 0x00000010 /* parent pointers */ #define XFS_SB_VERSION2_PROJID32BIT 0x00000080 /* 32 bit project id */ #define XFS_SB_VERSION2_CRCBIT 0x00000100 /* metadata CRCs */ +#define XFS_SB_VERSION2_FTYPE 0x00000200 /* inode type in dir */ #define XFS_SB_VERSION2_OKREALFBITS \ (XFS_SB_VERSION2_LAZYSBCOUNTBIT | \ XFS_SB_VERSION2_ATTR2BIT | \ - XFS_SB_VERSION2_PROJID32BIT) + XFS_SB_VERSION2_PROJID32BIT | \ + XFS_SB_VERSION2_FTYPE) #define XFS_SB_VERSION2_OKSASHFBITS \ (0) #define XFS_SB_VERSION2_OKREALBITS \ @@ -354,15 +357,8 @@ static inline int xfs_sb_good_version(xfs_sb_t *sbp) (sbp->sb_features2 & ~XFS_SB_VERSION2_OKREALBITS))) return 0; -#ifdef __KERNEL__ if (sbp->sb_shared_vn > XFS_SB_MAX_SHARED_VN) return 0; -#else - if ((sbp->sb_versionnum & XFS_SB_VERSION_SHAREDBIT) && - sbp->sb_shared_vn > XFS_SB_MAX_SHARED_VN) - return 0; -#endif - return 1; } if (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) @@ -554,12 +550,13 @@ static inline int xfs_sb_version_hasprojid32bit(xfs_sb_t *sbp) (sbp->sb_features2 & XFS_SB_VERSION2_PROJID32BIT)); } -static inline int xfs_sb_version_hascrc(xfs_sb_t *sbp) +static inline void xfs_sb_version_addprojid32bit(xfs_sb_t *sbp) { - return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5; + sbp->sb_versionnum |= XFS_SB_VERSION_MOREBITSBIT; + sbp->sb_features2 |= XFS_SB_VERSION2_PROJID32BIT; + sbp->sb_bad_features2 |= XFS_SB_VERSION2_PROJID32BIT; } - /* * Extended v5 superblock feature masks. These are to be used for new v5 * superblock features only. @@ -598,7 +595,10 @@ xfs_sb_has_ro_compat_feature( return (sbp->sb_features_ro_compat & feature) != 0; } -#define XFS_SB_FEAT_INCOMPAT_ALL 0 +#define XFS_SB_FEAT_INCOMPAT_FTYPE (1 << 0) /* filetype in dirent */ +#define XFS_SB_FEAT_INCOMPAT_ALL \ + (XFS_SB_FEAT_INCOMPAT_FTYPE) + #define XFS_SB_FEAT_INCOMPAT_UNKNOWN ~XFS_SB_FEAT_INCOMPAT_ALL static inline bool xfs_sb_has_incompat_feature( @@ -618,16 +618,39 @@ xfs_sb_has_incompat_log_feature( return (sbp->sb_features_log_incompat & feature) != 0; } -static inline bool -xfs_is_quota_inode(struct xfs_sb *sbp, xfs_ino_t ino) +/* + * V5 superblock specific feature checks + */ +static inline int xfs_sb_version_hascrc(xfs_sb_t *sbp) { - return (ino == sbp->sb_uquotino || ino == sbp->sb_gquotino); + return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5; +} + +static inline int xfs_sb_version_has_pquotino(xfs_sb_t *sbp) +{ + return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5; +} + +static inline int xfs_sb_version_hasftype(struct xfs_sb *sbp) +{ + return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 && + xfs_sb_has_incompat_feature(sbp, XFS_SB_FEAT_INCOMPAT_FTYPE)) || + (xfs_sb_version_hasmorebits(sbp) && + (sbp->sb_features2 & XFS_SB_VERSION2_FTYPE)); } /* * end of superblock version macros */ +static inline bool +xfs_is_quota_inode(struct xfs_sb *sbp, xfs_ino_t ino) +{ + return (ino == sbp->sb_uquotino || + ino == sbp->sb_gquotino || + ino == sbp->sb_pquotino); +} + #define XFS_SB_DADDR ((xfs_daddr_t)0) /* daddr in filesystem/ag */ #define XFS_SB_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_SB_DADDR) #define XFS_BUF_TO_SBP(bp) ((xfs_dsb_t *)((bp)->b_addr)) @@ -660,4 +683,23 @@ xfs_is_quota_inode(struct xfs_sb *sbp, xfs_ino_t ino) #define XFS_B_TO_FSBT(mp,b) (((__uint64_t)(b)) >> (mp)->m_sb.sb_blocklog) #define XFS_B_FSB_OFFSET(mp,b) ((b) & (mp)->m_blockmask) +/* + * perag get/put wrappers for ref counting + */ +extern struct xfs_perag *xfs_perag_get(struct xfs_mount *, xfs_agnumber_t); +extern struct xfs_perag *xfs_perag_get_tag(struct xfs_mount *, xfs_agnumber_t, + int tag); +extern void xfs_perag_put(struct xfs_perag *pag); +extern int xfs_initialize_perag_data(struct xfs_mount *, xfs_agnumber_t); + +extern void xfs_sb_calc_crc(struct xfs_buf *); +extern void xfs_mod_sb(struct xfs_trans *, __int64_t); +extern void xfs_sb_mount_common(struct xfs_mount *, struct xfs_sb *); +extern void xfs_sb_from_disk(struct xfs_sb *, struct xfs_dsb *); +extern void xfs_sb_to_disk(struct xfs_dsb *, struct xfs_sb *, __int64_t); +extern void xfs_sb_quota_from_disk(struct xfs_sb *sbp); + +extern const struct xfs_buf_ops xfs_sb_buf_ops; +extern const struct xfs_buf_ops xfs_sb_quiet_buf_ops; + #endif /* __XFS_SB_H__ */ |