Merge branch 'fortglx/3.12/sched-clock64-base' into fortglx/3.13/time

[~andy/linux] / fs / xfs / xfs_sb.h

diff --git a/fs/xfs/xfs_sb.h b/fs/xfs/xfs_sb.h
index 78f9e70b80c7da8a64b92d528a9f7aa2ba49401e..6835b44f850e58e780c2712e24530dbb3e57f5f4 100644 (file)
--- 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__ */