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Diffstat (limited to 'fs/xfs/xfs_sb.h')
-rw-r--r--fs/xfs/xfs_sb.h72
1 files changed, 57 insertions, 15 deletions
diff --git a/fs/xfs/xfs_sb.h b/fs/xfs/xfs_sb.h
index 78f9e70b80c..6835b44f850 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__ */