1 files changed, 22 insertions, 204 deletions

diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h
index 76e2461b9e66..2d7057b7984b 100644
--- a/fs/xfs/libxfs/xfs_format.h
+++ b/fs/xfs/libxfs/xfs_format.h
@@ -9,7 +9,7 @@
 /*
  * XFS On Disk Format Definitions
  *
- * This header file defines all the on-disk format definitions for 
+ * This header file defines all the on-disk format definitions for
  * general XFS objects. Directory and attribute related objects are defined in
  * xfs_da_format.h, which log and log item formats are defined in
  * xfs_log_format.h. Everything else goes here.
@@ -265,7 +265,6 @@ typedef struct xfs_dsb {
 	/* must be padded to 64 bit alignment */
 } xfs_dsb_t;
 
-
 /*
  * Misc. Flags - warning - these will be cleared by xfs_repair unless
  * a feature bit is set when the flag is used.
@@ -280,37 +279,9 @@ typedef struct xfs_dsb {
 
 #define	XFS_SB_VERSION_NUM(sbp)	((sbp)->sb_versionnum & XFS_SB_VERSION_NUMBITS)
 
-/*
- * The first XFS version we support is a v4 superblock with V2 directories.
- */
-static inline bool xfs_sb_good_v4_features(struct xfs_sb *sbp)
-{
-	if (!(sbp->sb_versionnum & XFS_SB_VERSION_DIRV2BIT))
-		return false;
-	if (!(sbp->sb_versionnum & XFS_SB_VERSION_EXTFLGBIT))
-		return false;
-
-	/* check for unknown features in the fs */
-	if ((sbp->sb_versionnum & ~XFS_SB_VERSION_OKBITS) ||
-	    ((sbp->sb_versionnum & XFS_SB_VERSION_MOREBITSBIT) &&
-	     (sbp->sb_features2 & ~XFS_SB_VERSION2_OKBITS)))
-		return false;
-
-	return true;
-}
-
-static inline bool xfs_sb_good_version(struct xfs_sb *sbp)
+static inline bool xfs_sb_is_v5(struct xfs_sb *sbp)
 {
-	if (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5)
-		return true;
-	if (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_4)
-		return xfs_sb_good_v4_features(sbp);
-	return false;
-}
-
-static inline bool xfs_sb_version_hasrealtime(struct xfs_sb *sbp)
-{
-	return sbp->sb_rblocks > 0;
+	return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5;
 }
 
 /*
@@ -322,9 +293,10 @@ static inline bool xfs_sb_has_mismatched_features2(struct xfs_sb *sbp)
 	return sbp->sb_bad_features2 != sbp->sb_features2;
 }
 
-static inline bool xfs_sb_version_hasattr(struct xfs_sb *sbp)
+static inline bool xfs_sb_version_hasmorebits(struct xfs_sb *sbp)
 {
-	return (sbp->sb_versionnum & XFS_SB_VERSION_ATTRBIT);
+	return xfs_sb_is_v5(sbp) ||
+	       (sbp->sb_versionnum & XFS_SB_VERSION_MOREBITSBIT);
 }
 
 static inline void xfs_sb_version_addattr(struct xfs_sb *sbp)
@@ -332,87 +304,18 @@ static inline void xfs_sb_version_addattr(struct xfs_sb *sbp)
 	sbp->sb_versionnum |= XFS_SB_VERSION_ATTRBIT;
 }
 
-static inline bool xfs_sb_version_hasquota(struct xfs_sb *sbp)
-{
-	return (sbp->sb_versionnum & XFS_SB_VERSION_QUOTABIT);
-}
-
 static inline void xfs_sb_version_addquota(struct xfs_sb *sbp)
 {
 	sbp->sb_versionnum |= XFS_SB_VERSION_QUOTABIT;
 }
 
-static inline bool xfs_sb_version_hasalign(struct xfs_sb *sbp)
-{
-	return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 ||
-		(sbp->sb_versionnum & XFS_SB_VERSION_ALIGNBIT));
-}
-
-static inline bool xfs_sb_version_hasdalign(struct xfs_sb *sbp)
-{
-	return (sbp->sb_versionnum & XFS_SB_VERSION_DALIGNBIT);
-}
-
-static inline bool xfs_sb_version_haslogv2(struct xfs_sb *sbp)
-{
-	return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 ||
-	       (sbp->sb_versionnum & XFS_SB_VERSION_LOGV2BIT);
-}
-
-static inline bool xfs_sb_version_hassector(struct xfs_sb *sbp)
-{
-	return (sbp->sb_versionnum & XFS_SB_VERSION_SECTORBIT);
-}
-
-static inline bool xfs_sb_version_hasasciici(struct xfs_sb *sbp)
-{
-	return (sbp->sb_versionnum & XFS_SB_VERSION_BORGBIT);
-}
-
-static inline bool xfs_sb_version_hasmorebits(struct xfs_sb *sbp)
-{
-	return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 ||
-	       (sbp->sb_versionnum & XFS_SB_VERSION_MOREBITSBIT);
-}
-
-/*
- * sb_features2 bit version macros.
- */
-static inline bool xfs_sb_version_haslazysbcount(struct xfs_sb *sbp)
-{
-	return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) ||
-	       (xfs_sb_version_hasmorebits(sbp) &&
-		(sbp->sb_features2 & XFS_SB_VERSION2_LAZYSBCOUNTBIT));
-}
-
-static inline bool xfs_sb_version_hasattr2(struct xfs_sb *sbp)
-{
-	return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) ||
-	       (xfs_sb_version_hasmorebits(sbp) &&
-		(sbp->sb_features2 & XFS_SB_VERSION2_ATTR2BIT));
-}
-
 static inline void xfs_sb_version_addattr2(struct xfs_sb *sbp)
 {
 	sbp->sb_versionnum |= XFS_SB_VERSION_MOREBITSBIT;
 	sbp->sb_features2 |= XFS_SB_VERSION2_ATTR2BIT;
 }
 
-static inline void xfs_sb_version_removeattr2(struct xfs_sb *sbp)
-{
-	sbp->sb_features2 &= ~XFS_SB_VERSION2_ATTR2BIT;
-	if (!sbp->sb_features2)
-		sbp->sb_versionnum &= ~XFS_SB_VERSION_MOREBITSBIT;
-}
-
-static inline bool xfs_sb_version_hasprojid32bit(struct xfs_sb *sbp)
-{
-	return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) ||
-	       (xfs_sb_version_hasmorebits(sbp) &&
-		(sbp->sb_features2 & XFS_SB_VERSION2_PROJID32BIT));
-}
-
-static inline void xfs_sb_version_addprojid32bit(struct xfs_sb *sbp)
+static inline void xfs_sb_version_addprojid32(struct xfs_sb *sbp)
 {
 	sbp->sb_versionnum |= XFS_SB_VERSION_MOREBITSBIT;
 	sbp->sb_features2 |= XFS_SB_VERSION2_PROJID32BIT;
@@ -495,106 +398,21 @@ xfs_sb_has_incompat_log_feature(
 	return (sbp->sb_features_log_incompat & feature) != 0;
 }
 
-/*
- * V5 superblock specific feature checks
- */
-static inline bool xfs_sb_version_hascrc(struct xfs_sb *sbp)
-{
-	return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5;
-}
-
-/*
- * v5 file systems support V3 inodes only, earlier file systems support
- * v2 and v1 inodes.
- */
-static inline bool xfs_sb_version_has_v3inode(struct xfs_sb *sbp)
-{
-	return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5;
-}
-
-static inline bool xfs_dinode_good_version(struct xfs_sb *sbp,
-		uint8_t version)
-{
-	if (xfs_sb_version_has_v3inode(sbp))
-		return version == 3;
-	return version == 1 || version == 2;
-}
-
-static inline bool xfs_sb_version_has_pquotino(struct xfs_sb *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));
-}
-
-static inline bool xfs_sb_version_hasfinobt(xfs_sb_t *sbp)
-{
-	return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) &&
-		(sbp->sb_features_ro_compat & XFS_SB_FEAT_RO_COMPAT_FINOBT);
-}
-
-static inline bool xfs_sb_version_hassparseinodes(struct xfs_sb *sbp)
-{
-	return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 &&
-		xfs_sb_has_incompat_feature(sbp, XFS_SB_FEAT_INCOMPAT_SPINODES);
-}
-
-/*
- * XFS_SB_FEAT_INCOMPAT_META_UUID indicates that the metadata UUID
- * is stored separately from the user-visible UUID; this allows the
- * user-visible UUID to be changed on V5 filesystems which have a
- * filesystem UUID stamped into every piece of metadata.
- */
-static inline bool xfs_sb_version_hasmetauuid(struct xfs_sb *sbp)
-{
-	return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) &&
-		(sbp->sb_features_incompat & XFS_SB_FEAT_INCOMPAT_META_UUID);
-}
-
-static inline bool xfs_sb_version_hasrmapbt(struct xfs_sb *sbp)
-{
-	return (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5) &&
-		(sbp->sb_features_ro_compat & XFS_SB_FEAT_RO_COMPAT_RMAPBT);
-}
-
-static inline bool xfs_sb_version_hasreflink(struct xfs_sb *sbp)
-{
-	return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 &&
-		(sbp->sb_features_ro_compat & XFS_SB_FEAT_RO_COMPAT_REFLINK);
-}
-
-static inline bool xfs_sb_version_hasbigtime(struct xfs_sb *sbp)
-{
-	return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 &&
-		(sbp->sb_features_incompat & XFS_SB_FEAT_INCOMPAT_BIGTIME);
-}
-
-/*
- * Inode btree block counter.  We record the number of inobt and finobt blocks
- * in the AGI header so that we can skip the finobt walk at mount time when
- * setting up per-AG reservations.
- */
-static inline bool xfs_sb_version_hasinobtcounts(struct xfs_sb *sbp)
+static inline void
+xfs_sb_remove_incompat_log_features(
+	struct xfs_sb	*sbp)
 {
-	return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 &&
-		(sbp->sb_features_ro_compat & XFS_SB_FEAT_RO_COMPAT_INOBTCNT);
+	sbp->sb_features_log_incompat &= ~XFS_SB_FEAT_INCOMPAT_LOG_ALL;
 }
 
-static inline bool xfs_sb_version_needsrepair(struct xfs_sb *sbp)
+static inline void
+xfs_sb_add_incompat_log_features(
+	struct xfs_sb	*sbp,
+	unsigned int	features)
 {
-	return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 &&
-		(sbp->sb_features_incompat & XFS_SB_FEAT_INCOMPAT_NEEDSREPAIR);
+	sbp->sb_features_log_incompat |= features;
 }
 
-/*
- * end of superblock version macros
- */
 
 static inline bool
 xfs_is_quota_inode(struct xfs_sb *sbp, xfs_ino_t ino)
@@ -1062,12 +880,12 @@ enum xfs_dinode_fmt {
 /*
  * Inode size for given fs.
  */
-#define XFS_DINODE_SIZE(sbp) \
-	(xfs_sb_version_has_v3inode(sbp) ? \
+#define XFS_DINODE_SIZE(mp) \
+	(xfs_has_v3inodes(mp) ? \
 		sizeof(struct xfs_dinode) : \
 		offsetof(struct xfs_dinode, di_crc))
 #define XFS_LITINO(mp) \
-	((mp)->m_sb.sb_inodesize - XFS_DINODE_SIZE(&(mp)->m_sb))
+	((mp)->m_sb.sb_inodesize - XFS_DINODE_SIZE(mp))
 
 /*
  * Inode data & attribute fork sizes, per inode.
@@ -1454,7 +1272,7 @@ struct xfs_dsymlink_hdr {
 #define XFS_SYMLINK_MAPS 3
 
 #define XFS_SYMLINK_BUF_SPACE(mp, bufsize)	\
-	((bufsize) - (xfs_sb_version_hascrc(&(mp)->m_sb) ? \
+	((bufsize) - (xfs_has_crc((mp)) ? \
 			sizeof(struct xfs_dsymlink_hdr) : 0))
 
 
@@ -1686,7 +1504,7 @@ struct xfs_rmap_key {
 typedef __be32 xfs_rmap_ptr_t;
 
 #define	XFS_RMAP_BLOCK(mp) \
-	(xfs_sb_version_hasfinobt(&((mp)->m_sb)) ? \
+	(xfs_has_finobt(((mp))) ? \
 	 XFS_FIBT_BLOCK(mp) + 1 : \
 	 XFS_IBT_BLOCK(mp) + 1)
 
@@ -1918,7 +1736,7 @@ struct xfs_acl {
  * limited only by the maximum size of the xattr that stores the information.
  */
 #define XFS_ACL_MAX_ENTRIES(mp)	\
-	(xfs_sb_version_hascrc(&mp->m_sb) \
+	(xfs_has_crc(mp) \
 		?  (XFS_XATTR_SIZE_MAX - sizeof(struct xfs_acl)) / \
 						sizeof(struct xfs_acl_entry) \
 		: 25)