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Diffstat (limited to 'fs/xfs/libxfs/xfs_format.h')
-rw-r--r--fs/xfs/libxfs/xfs_format.h24
1 files changed, 12 insertions, 12 deletions
diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h
index fbd6da263571..8eb718979383 100644
--- a/fs/xfs/libxfs/xfs_format.h
+++ b/fs/xfs/libxfs/xfs_format.h
@@ -151,10 +151,13 @@ typedef struct xfs_sb {
__uint32_t sb_features2; /* additional feature bits */
/*
- * bad features2 field as a result of failing to pad the sb
- * structure to 64 bits. Some machines will be using this field
- * for features2 bits. Easiest just to mark it bad and not use
- * it for anything else.
+ * bad features2 field as a result of failing to pad the sb structure to
+ * 64 bits. Some machines will be using this field for features2 bits.
+ * Easiest just to mark it bad and not use it for anything else.
+ *
+ * This is not kept up to date in memory; it is always overwritten by
+ * the value in sb_features2 when formatting the incore superblock to
+ * the disk buffer.
*/
__uint32_t sb_bad_features2;
@@ -304,8 +307,8 @@ typedef enum {
#define XFS_SB_ICOUNT XFS_SB_MVAL(ICOUNT)
#define XFS_SB_IFREE XFS_SB_MVAL(IFREE)
#define XFS_SB_FDBLOCKS XFS_SB_MVAL(FDBLOCKS)
-#define XFS_SB_FEATURES2 XFS_SB_MVAL(FEATURES2)
-#define XFS_SB_BAD_FEATURES2 XFS_SB_MVAL(BAD_FEATURES2)
+#define XFS_SB_FEATURES2 (XFS_SB_MVAL(FEATURES2) | \
+ XFS_SB_MVAL(BAD_FEATURES2))
#define XFS_SB_FEATURES_COMPAT XFS_SB_MVAL(FEATURES_COMPAT)
#define XFS_SB_FEATURES_RO_COMPAT XFS_SB_MVAL(FEATURES_RO_COMPAT)
#define XFS_SB_FEATURES_INCOMPAT XFS_SB_MVAL(FEATURES_INCOMPAT)
@@ -319,9 +322,9 @@ typedef enum {
XFS_SB_VERSIONNUM | XFS_SB_UQUOTINO | XFS_SB_GQUOTINO | \
XFS_SB_QFLAGS | XFS_SB_SHARED_VN | XFS_SB_UNIT | XFS_SB_WIDTH | \
XFS_SB_ICOUNT | XFS_SB_IFREE | XFS_SB_FDBLOCKS | XFS_SB_FEATURES2 | \
- XFS_SB_BAD_FEATURES2 | XFS_SB_FEATURES_COMPAT | \
- XFS_SB_FEATURES_RO_COMPAT | XFS_SB_FEATURES_INCOMPAT | \
- XFS_SB_FEATURES_LOG_INCOMPAT | XFS_SB_PQUOTINO)
+ XFS_SB_FEATURES_COMPAT | XFS_SB_FEATURES_RO_COMPAT | \
+ XFS_SB_FEATURES_INCOMPAT | XFS_SB_FEATURES_LOG_INCOMPAT | \
+ XFS_SB_PQUOTINO)
/*
@@ -453,13 +456,11 @@ 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;
- sbp->sb_bad_features2 |= XFS_SB_VERSION2_ATTR2BIT;
}
static inline void xfs_sb_version_removeattr2(struct xfs_sb *sbp)
{
sbp->sb_features2 &= ~XFS_SB_VERSION2_ATTR2BIT;
- sbp->sb_bad_features2 &= ~XFS_SB_VERSION2_ATTR2BIT;
if (!sbp->sb_features2)
sbp->sb_versionnum &= ~XFS_SB_VERSION_MOREBITSBIT;
}
@@ -475,7 +476,6 @@ static inline void xfs_sb_version_addprojid32bit(struct xfs_sb *sbp)
{
sbp->sb_versionnum |= XFS_SB_VERSION_MOREBITSBIT;
sbp->sb_features2 |= XFS_SB_VERSION2_PROJID32BIT;
- sbp->sb_bad_features2 |= XFS_SB_VERSION2_PROJID32BIT;
}
/*