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[PATCH 4/5] xfs: move most of xfs_sb.h to xfs_format.h

To: xfs@xxxxxxxxxxx
Subject: [PATCH 4/5] xfs: move most of xfs_sb.h to xfs_format.h
From: Christoph Hellwig <hch@xxxxxx>
Date: Wed, 26 Nov 2014 20:14:26 +0100
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <1417029267-20149-1-git-send-email-hch@xxxxxx>
References: <1417029267-20149-1-git-send-email-hch@xxxxxx>
More on-disk format consolidation.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 fs/xfs/libxfs/xfs_attr.c           |   1 -
 fs/xfs/libxfs/xfs_attr_remote.c    |   1 -
 fs/xfs/libxfs/xfs_bmap_btree.c     |   1 -
 fs/xfs/libxfs/xfs_btree.c          |   1 -
 fs/xfs/libxfs/xfs_da_btree.c       |   1 -
 fs/xfs/libxfs/xfs_da_format.c      |   1 -
 fs/xfs/libxfs/xfs_dir2.c           |   1 -
 fs/xfs/libxfs/xfs_dir2_block.c     |   1 -
 fs/xfs/libxfs/xfs_dir2_data.c      |   1 -
 fs/xfs/libxfs/xfs_dir2_leaf.c      |   1 -
 fs/xfs/libxfs/xfs_dir2_node.c      |   1 -
 fs/xfs/libxfs/xfs_dir2_sf.c        |   1 -
 fs/xfs/libxfs/xfs_dquot_buf.c      |   1 -
 fs/xfs/libxfs/xfs_format.h         | 579 ++++++++++++++++++++++++++++++++++++
 fs/xfs/libxfs/xfs_ialloc_btree.c   |   1 -
 fs/xfs/libxfs/xfs_inode_buf.c      |   1 -
 fs/xfs/libxfs/xfs_inode_fork.c     |   1 -
 fs/xfs/libxfs/xfs_log_rlimit.c     |   1 -
 fs/xfs/libxfs/xfs_rtbitmap.c       |   1 -
 fs/xfs/libxfs/xfs_sb.h             | 584 -------------------------------------
 fs/xfs/libxfs/xfs_symlink_remote.c |   1 -
 fs/xfs/libxfs/xfs_trans_resv.c     |   1 -
 fs/xfs/xfs_acl.c                   |   1 -
 fs/xfs/xfs_aops.c                  |   1 -
 fs/xfs/xfs_attr_inactive.c         |   1 -
 fs/xfs/xfs_attr_list.c             |   1 -
 fs/xfs/xfs_bmap_util.c             |   1 -
 fs/xfs/xfs_dir2_readdir.c          |   1 -
 fs/xfs/xfs_dquot.c                 |   1 -
 fs/xfs/xfs_dquot_item.c            |   1 -
 fs/xfs/xfs_error.c                 |   1 -
 fs/xfs/xfs_export.c                |   1 -
 fs/xfs/xfs_extfree_item.c          |   1 -
 fs/xfs/xfs_file.c                  |   1 -
 fs/xfs/xfs_icreate_item.c          |   1 -
 fs/xfs/xfs_inode_item.c            |   1 -
 fs/xfs/xfs_ioctl.c                 |   1 -
 fs/xfs/xfs_ioctl32.c               |   1 -
 fs/xfs/xfs_iomap.c                 |   1 -
 fs/xfs/xfs_iops.c                  |   1 -
 fs/xfs/xfs_itable.c                |   1 -
 fs/xfs/xfs_log.c                   |   1 -
 fs/xfs/xfs_log_cil.c               |   1 -
 fs/xfs/xfs_message.c               |   1 -
 fs/xfs/xfs_qm_bhv.c                |   1 -
 fs/xfs/xfs_quotaops.c              |   1 -
 fs/xfs/xfs_rtalloc.c               |   1 -
 fs/xfs/xfs_symlink.c               |   1 -
 fs/xfs/xfs_trace.c                 |   1 -
 fs/xfs/xfs_trans.c                 |   1 -
 fs/xfs/xfs_trans_ail.c             |   1 -
 fs/xfs/xfs_trans_buf.c             |   1 -
 fs/xfs/xfs_trans_dquot.c           |   1 -
 fs/xfs/xfs_trans_extfree.c         |   1 -
 fs/xfs/xfs_trans_inode.c           |   1 -
 fs/xfs/xfs_xattr.c                 |   1 -
 56 files changed, 579 insertions(+), 638 deletions(-)

diff --git a/fs/xfs/libxfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c
index f782d36..0a472fb 100644
--- a/fs/xfs/libxfs/xfs_attr.c
+++ b/fs/xfs/libxfs/xfs_attr.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/libxfs/xfs_attr_remote.c b/fs/xfs/libxfs/xfs_attr_remote.c
index 4edd4a8..20de88d 100644
--- a/fs/xfs/libxfs/xfs_attr_remote.c
+++ b/fs/xfs/libxfs/xfs_attr_remote.c
@@ -23,7 +23,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c
index 91588a5..2c44c8e 100644
--- a/fs/xfs/libxfs/xfs_bmap_btree.c
+++ b/fs/xfs/libxfs/xfs_bmap_btree.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_trans.h"
diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c
index 256d532..81cad43 100644
--- a/fs/xfs/libxfs/xfs_btree.c
+++ b/fs/xfs/libxfs/xfs_btree.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_trans.h"
diff --git a/fs/xfs/libxfs/xfs_da_btree.c b/fs/xfs/libxfs/xfs_da_btree.c
index 2b88061..c41e751 100644
--- a/fs/xfs/libxfs/xfs_da_btree.c
+++ b/fs/xfs/libxfs/xfs_da_btree.c
@@ -23,7 +23,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/libxfs/xfs_da_format.c b/fs/xfs/libxfs/xfs_da_format.c
index 927e9eb..9d624a6 100644
--- a/fs/xfs/libxfs/xfs_da_format.c
+++ b/fs/xfs/libxfs/xfs_da_format.c
@@ -22,7 +22,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c
index 672a29e..5d89291 100644
--- a/fs/xfs/libxfs/xfs_dir2.c
+++ b/fs/xfs/libxfs/xfs_dir2.c
@@ -21,7 +21,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_inum.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/libxfs/xfs_dir2_block.c b/fs/xfs/libxfs/xfs_dir2_block.c
index a6b3a6a..c2e34c5 100644
--- a/fs/xfs/libxfs/xfs_dir2_block.c
+++ b/fs/xfs/libxfs/xfs_dir2_block.c
@@ -21,7 +21,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/libxfs/xfs_dir2_data.c b/fs/xfs/libxfs/xfs_dir2_data.c
index 2c8f463..5ff31be 100644
--- a/fs/xfs/libxfs/xfs_dir2_data.c
+++ b/fs/xfs/libxfs/xfs_dir2_data.c
@@ -21,7 +21,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/libxfs/xfs_dir2_leaf.c b/fs/xfs/libxfs/xfs_dir2_leaf.c
index 777c482..ed41a0e 100644
--- a/fs/xfs/libxfs/xfs_dir2_leaf.c
+++ b/fs/xfs/libxfs/xfs_dir2_leaf.c
@@ -21,7 +21,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/libxfs/xfs_dir2_node.c b/fs/xfs/libxfs/xfs_dir2_node.c
index c0a0e19..78ceda1 100644
--- a/fs/xfs/libxfs/xfs_dir2_node.c
+++ b/fs/xfs/libxfs/xfs_dir2_node.c
@@ -21,7 +21,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/libxfs/xfs_dir2_sf.c b/fs/xfs/libxfs/xfs_dir2_sf.c
index ab99dbc..2baedc4 100644
--- a/fs/xfs/libxfs/xfs_dir2_sf.c
+++ b/fs/xfs/libxfs/xfs_dir2_sf.c
@@ -20,7 +20,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/libxfs/xfs_dquot_buf.c b/fs/xfs/libxfs/xfs_dquot_buf.c
index cd68926..6fbf2d8 100644
--- a/fs/xfs/libxfs/xfs_dquot_buf.c
+++ b/fs/xfs/libxfs/xfs_dquot_buf.c
@@ -22,7 +22,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_quota.h"
diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h
index 9b6e424..70ca740 100644
--- a/fs/xfs/libxfs/xfs_format.h
+++ b/fs/xfs/libxfs/xfs_format.h
@@ -34,6 +34,585 @@ struct xfs_buf;
 struct xfs_ifork;
 
 /*
+ * Super block
+ * Fits into a sector-sized buffer at address 0 of each allocation group.
+ * Only the first of these is ever updated except during growfs.
+ */
+#define        XFS_SB_MAGIC            0x58465342      /* 'XFSB' */
+#define        XFS_SB_VERSION_1        1               /* 5.3, 6.0.1, 6.1 */
+#define        XFS_SB_VERSION_2        2               /* 6.2 - attributes */
+#define        XFS_SB_VERSION_3        3               /* 6.2 - new inode 
version */
+#define        XFS_SB_VERSION_4        4               /* 6.2+ - bitmask 
version */
+#define        XFS_SB_VERSION_5        5               /* CRC enabled 
filesystem */
+#define        XFS_SB_VERSION_NUMBITS          0x000f
+#define        XFS_SB_VERSION_ALLFBITS         0xfff0
+#define        XFS_SB_VERSION_ATTRBIT          0x0010
+#define        XFS_SB_VERSION_NLINKBIT         0x0020
+#define        XFS_SB_VERSION_QUOTABIT         0x0040
+#define        XFS_SB_VERSION_ALIGNBIT         0x0080
+#define        XFS_SB_VERSION_DALIGNBIT        0x0100
+#define        XFS_SB_VERSION_SHAREDBIT        0x0200
+#define XFS_SB_VERSION_LOGV2BIT                0x0400
+#define XFS_SB_VERSION_SECTORBIT       0x0800
+#define        XFS_SB_VERSION_EXTFLGBIT        0x1000
+#define        XFS_SB_VERSION_DIRV2BIT         0x2000
+#define        XFS_SB_VERSION_BORGBIT          0x4000  /* ASCII only 
case-insens. */
+#define        XFS_SB_VERSION_MOREBITSBIT      0x8000
+
+/*
+ * Supported feature bit list is just all bits in the versionnum field because
+ * we've used them all up and understand them all. Except, of course, for the
+ * shared superblock bit, which nobody knows what it does and so is 
unsupported.
+ */
+#define        XFS_SB_VERSION_OKBITS           \
+       ((XFS_SB_VERSION_NUMBITS | XFS_SB_VERSION_ALLFBITS) & \
+               ~XFS_SB_VERSION_SHAREDBIT)
+
+/*
+ * There are two words to hold XFS "feature" bits: the original
+ * word, sb_versionnum, and sb_features2.  Whenever a bit is set in
+ * sb_features2, the feature bit XFS_SB_VERSION_MOREBITSBIT must be set.
+ *
+ * These defines represent bits in sb_features2.
+ */
+#define XFS_SB_VERSION2_RESERVED1BIT   0x00000001
+#define XFS_SB_VERSION2_LAZYSBCOUNTBIT 0x00000002      /* Superblk counters */
+#define XFS_SB_VERSION2_RESERVED4BIT   0x00000004
+#define XFS_SB_VERSION2_ATTR2BIT       0x00000008      /* Inline attr rework */
+#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_OKBITS          \
+       (XFS_SB_VERSION2_LAZYSBCOUNTBIT | \
+        XFS_SB_VERSION2_ATTR2BIT       | \
+        XFS_SB_VERSION2_PROJID32BIT    | \
+        XFS_SB_VERSION2_FTYPE)
+
+/*
+ * Superblock - in core version.  Must match the ondisk version below.
+ * Must be padded to 64 bit alignment.
+ */
+typedef struct xfs_sb {
+       __uint32_t      sb_magicnum;    /* magic number == XFS_SB_MAGIC */
+       __uint32_t      sb_blocksize;   /* logical block size, bytes */
+       xfs_rfsblock_t  sb_dblocks;     /* number of data blocks */
+       xfs_rfsblock_t  sb_rblocks;     /* number of realtime blocks */
+       xfs_rtblock_t   sb_rextents;    /* number of realtime extents */
+       uuid_t          sb_uuid;        /* file system unique id */
+       xfs_fsblock_t   sb_logstart;    /* starting block of log if internal */
+       xfs_ino_t       sb_rootino;     /* root inode number */
+       xfs_ino_t       sb_rbmino;      /* bitmap inode for realtime extents */
+       xfs_ino_t       sb_rsumino;     /* summary inode for rt bitmap */
+       xfs_agblock_t   sb_rextsize;    /* realtime extent size, blocks */
+       xfs_agblock_t   sb_agblocks;    /* size of an allocation group */
+       xfs_agnumber_t  sb_agcount;     /* number of allocation groups */
+       xfs_extlen_t    sb_rbmblocks;   /* number of rt bitmap blocks */
+       xfs_extlen_t    sb_logblocks;   /* number of log blocks */
+       __uint16_t      sb_versionnum;  /* header version == XFS_SB_VERSION */
+       __uint16_t      sb_sectsize;    /* volume sector size, bytes */
+       __uint16_t      sb_inodesize;   /* inode size, bytes */
+       __uint16_t      sb_inopblock;   /* inodes per block */
+       char            sb_fname[12];   /* file system name */
+       __uint8_t       sb_blocklog;    /* log2 of sb_blocksize */
+       __uint8_t       sb_sectlog;     /* log2 of sb_sectsize */
+       __uint8_t       sb_inodelog;    /* log2 of sb_inodesize */
+       __uint8_t       sb_inopblog;    /* log2 of sb_inopblock */
+       __uint8_t       sb_agblklog;    /* log2 of sb_agblocks (rounded up) */
+       __uint8_t       sb_rextslog;    /* log2 of sb_rextents */
+       __uint8_t       sb_inprogress;  /* mkfs is in progress, don't mount */
+       __uint8_t       sb_imax_pct;    /* max % of fs for inode space */
+                                       /* statistics */
+       /*
+        * These fields must remain contiguous.  If you really
+        * want to change their layout, make sure you fix the
+        * code in xfs_trans_apply_sb_deltas().
+        */
+       __uint64_t      sb_icount;      /* allocated inodes */
+       __uint64_t      sb_ifree;       /* free inodes */
+       __uint64_t      sb_fdblocks;    /* free data blocks */
+       __uint64_t      sb_frextents;   /* free realtime extents */
+       /*
+        * End contiguous fields.
+        */
+       xfs_ino_t       sb_uquotino;    /* user quota inode */
+       xfs_ino_t       sb_gquotino;    /* group quota inode */
+       __uint16_t      sb_qflags;      /* quota flags */
+       __uint8_t       sb_flags;       /* misc. flags */
+       __uint8_t       sb_shared_vn;   /* shared version number */
+       xfs_extlen_t    sb_inoalignmt;  /* inode chunk alignment, fsblocks */
+       __uint32_t      sb_unit;        /* stripe or raid unit */
+       __uint32_t      sb_width;       /* stripe or raid width */
+       __uint8_t       sb_dirblklog;   /* log2 of dir block size (fsbs) */
+       __uint8_t       sb_logsectlog;  /* log2 of the log sector size */
+       __uint16_t      sb_logsectsize; /* sector size for the log, bytes */
+       __uint32_t      sb_logsunit;    /* stripe unit size for the log */
+       __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.
+        */
+       __uint32_t      sb_bad_features2;
+
+       /* version 5 superblock fields start here */
+
+       /* feature masks */
+       __uint32_t      sb_features_compat;
+       __uint32_t      sb_features_ro_compat;
+       __uint32_t      sb_features_incompat;
+       __uint32_t      sb_features_log_incompat;
+
+       __uint32_t      sb_crc;         /* superblock crc */
+       __uint32_t      sb_pad;
+
+       xfs_ino_t       sb_pquotino;    /* project quota inode */
+       xfs_lsn_t       sb_lsn;         /* last write sequence */
+
+       /* must be padded to 64 bit alignment */
+} xfs_sb_t;
+
+#define XFS_SB_CRC_OFF         offsetof(struct xfs_sb, sb_crc)
+
+/*
+ * Superblock - on disk version.  Must match the in core version above.
+ * Must be padded to 64 bit alignment.
+ */
+typedef struct xfs_dsb {
+       __be32          sb_magicnum;    /* magic number == XFS_SB_MAGIC */
+       __be32          sb_blocksize;   /* logical block size, bytes */
+       __be64          sb_dblocks;     /* number of data blocks */
+       __be64          sb_rblocks;     /* number of realtime blocks */
+       __be64          sb_rextents;    /* number of realtime extents */
+       uuid_t          sb_uuid;        /* file system unique id */
+       __be64          sb_logstart;    /* starting block of log if internal */
+       __be64          sb_rootino;     /* root inode number */
+       __be64          sb_rbmino;      /* bitmap inode for realtime extents */
+       __be64          sb_rsumino;     /* summary inode for rt bitmap */
+       __be32          sb_rextsize;    /* realtime extent size, blocks */
+       __be32          sb_agblocks;    /* size of an allocation group */
+       __be32          sb_agcount;     /* number of allocation groups */
+       __be32          sb_rbmblocks;   /* number of rt bitmap blocks */
+       __be32          sb_logblocks;   /* number of log blocks */
+       __be16          sb_versionnum;  /* header version == XFS_SB_VERSION */
+       __be16          sb_sectsize;    /* volume sector size, bytes */
+       __be16          sb_inodesize;   /* inode size, bytes */
+       __be16          sb_inopblock;   /* inodes per block */
+       char            sb_fname[12];   /* file system name */
+       __u8            sb_blocklog;    /* log2 of sb_blocksize */
+       __u8            sb_sectlog;     /* log2 of sb_sectsize */
+       __u8            sb_inodelog;    /* log2 of sb_inodesize */
+       __u8            sb_inopblog;    /* log2 of sb_inopblock */
+       __u8            sb_agblklog;    /* log2 of sb_agblocks (rounded up) */
+       __u8            sb_rextslog;    /* log2 of sb_rextents */
+       __u8            sb_inprogress;  /* mkfs is in progress, don't mount */
+       __u8            sb_imax_pct;    /* max % of fs for inode space */
+                                       /* statistics */
+       /*
+        * These fields must remain contiguous.  If you really
+        * want to change their layout, make sure you fix the
+        * code in xfs_trans_apply_sb_deltas().
+        */
+       __be64          sb_icount;      /* allocated inodes */
+       __be64          sb_ifree;       /* free inodes */
+       __be64          sb_fdblocks;    /* free data blocks */
+       __be64          sb_frextents;   /* free realtime extents */
+       /*
+        * End contiguous fields.
+        */
+       __be64          sb_uquotino;    /* user quota inode */
+       __be64          sb_gquotino;    /* group quota inode */
+       __be16          sb_qflags;      /* quota flags */
+       __u8            sb_flags;       /* misc. flags */
+       __u8            sb_shared_vn;   /* shared version number */
+       __be32          sb_inoalignmt;  /* inode chunk alignment, fsblocks */
+       __be32          sb_unit;        /* stripe or raid unit */
+       __be32          sb_width;       /* stripe or raid width */
+       __u8            sb_dirblklog;   /* log2 of dir block size (fsbs) */
+       __u8            sb_logsectlog;  /* log2 of the log sector size */
+       __be16          sb_logsectsize; /* sector size for the log, bytes */
+       __be32          sb_logsunit;    /* stripe unit size for the log */
+       __be32          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.
+        */
+       __be32          sb_bad_features2;
+
+       /* version 5 superblock fields start here */
+
+       /* feature masks */
+       __be32          sb_features_compat;
+       __be32          sb_features_ro_compat;
+       __be32          sb_features_incompat;
+       __be32          sb_features_log_incompat;
+
+       __le32          sb_crc;         /* superblock crc */
+       __be32          sb_pad;
+
+       __be64          sb_pquotino;    /* project quota inode */
+       __be64          sb_lsn;         /* last write sequence */
+
+       /* must be padded to 64 bit alignment */
+} xfs_dsb_t;
+
+/*
+ * Sequence number values for the fields.
+ */
+typedef enum {
+       XFS_SBS_MAGICNUM, XFS_SBS_BLOCKSIZE, XFS_SBS_DBLOCKS, XFS_SBS_RBLOCKS,
+       XFS_SBS_REXTENTS, XFS_SBS_UUID, XFS_SBS_LOGSTART, XFS_SBS_ROOTINO,
+       XFS_SBS_RBMINO, XFS_SBS_RSUMINO, XFS_SBS_REXTSIZE, XFS_SBS_AGBLOCKS,
+       XFS_SBS_AGCOUNT, XFS_SBS_RBMBLOCKS, XFS_SBS_LOGBLOCKS,
+       XFS_SBS_VERSIONNUM, XFS_SBS_SECTSIZE, XFS_SBS_INODESIZE,
+       XFS_SBS_INOPBLOCK, XFS_SBS_FNAME, XFS_SBS_BLOCKLOG,
+       XFS_SBS_SECTLOG, XFS_SBS_INODELOG, XFS_SBS_INOPBLOG, XFS_SBS_AGBLKLOG,
+       XFS_SBS_REXTSLOG, XFS_SBS_INPROGRESS, XFS_SBS_IMAX_PCT, XFS_SBS_ICOUNT,
+       XFS_SBS_IFREE, XFS_SBS_FDBLOCKS, XFS_SBS_FREXTENTS, XFS_SBS_UQUOTINO,
+       XFS_SBS_GQUOTINO, XFS_SBS_QFLAGS, XFS_SBS_FLAGS, XFS_SBS_SHARED_VN,
+       XFS_SBS_INOALIGNMT, XFS_SBS_UNIT, XFS_SBS_WIDTH, XFS_SBS_DIRBLKLOG,
+       XFS_SBS_LOGSECTLOG, XFS_SBS_LOGSECTSIZE, XFS_SBS_LOGSUNIT,
+       XFS_SBS_FEATURES2, XFS_SBS_BAD_FEATURES2, XFS_SBS_FEATURES_COMPAT,
+       XFS_SBS_FEATURES_RO_COMPAT, XFS_SBS_FEATURES_INCOMPAT,
+       XFS_SBS_FEATURES_LOG_INCOMPAT, XFS_SBS_CRC, XFS_SBS_PAD,
+       XFS_SBS_PQUOTINO, XFS_SBS_LSN,
+       XFS_SBS_FIELDCOUNT
+} xfs_sb_field_t;
+
+/*
+ * Mask values, defined based on the xfs_sb_field_t values.
+ * Only define the ones we're using.
+ */
+#define        XFS_SB_MVAL(x)          (1LL << XFS_SBS_ ## x)
+#define        XFS_SB_UUID             XFS_SB_MVAL(UUID)
+#define        XFS_SB_FNAME            XFS_SB_MVAL(FNAME)
+#define        XFS_SB_ROOTINO          XFS_SB_MVAL(ROOTINO)
+#define        XFS_SB_RBMINO           XFS_SB_MVAL(RBMINO)
+#define        XFS_SB_RSUMINO          XFS_SB_MVAL(RSUMINO)
+#define        XFS_SB_VERSIONNUM       XFS_SB_MVAL(VERSIONNUM)
+#define XFS_SB_UQUOTINO                XFS_SB_MVAL(UQUOTINO)
+#define XFS_SB_GQUOTINO                XFS_SB_MVAL(GQUOTINO)
+#define XFS_SB_QFLAGS          XFS_SB_MVAL(QFLAGS)
+#define XFS_SB_SHARED_VN       XFS_SB_MVAL(SHARED_VN)
+#define XFS_SB_UNIT            XFS_SB_MVAL(UNIT)
+#define XFS_SB_WIDTH           XFS_SB_MVAL(WIDTH)
+#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_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)
+#define XFS_SB_FEATURES_LOG_INCOMPAT XFS_SB_MVAL(FEATURES_LOG_INCOMPAT)
+#define XFS_SB_CRC             XFS_SB_MVAL(CRC)
+#define XFS_SB_PQUOTINO                XFS_SB_MVAL(PQUOTINO)
+#define        XFS_SB_NUM_BITS         ((int)XFS_SBS_FIELDCOUNT)
+#define        XFS_SB_ALL_BITS         ((1LL << XFS_SB_NUM_BITS) - 1)
+#define        XFS_SB_MOD_BITS         \
+       (XFS_SB_UUID | XFS_SB_ROOTINO | XFS_SB_RBMINO | XFS_SB_RSUMINO | \
+        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)
+
+
+/*
+ * Misc. Flags - warning - these will be cleared by xfs_repair unless
+ * a feature bit is set when the flag is used.
+ */
+#define XFS_SBF_NOFLAGS                0x00    /* no flags set */
+#define XFS_SBF_READONLY       0x01    /* only read-only mounts allowed */
+
+/*
+ * define max. shared version we can interoperate with
+ */
+#define XFS_SB_MAX_SHARED_VN   0
+
+#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;
+
+       /* 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)
+{
+       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;
+}
+
+/*
+ * Detect a mismatched features2 field.  Older kernels read/wrote
+ * this into the wrong slot, so to be safe we keep them in sync.
+ */
+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)
+{
+       return (sbp->sb_versionnum & XFS_SB_VERSION_ATTRBIT);
+}
+
+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_hasextflgbit(struct xfs_sb *sbp)
+{
+       return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 ||
+              (sbp->sb_versionnum & XFS_SB_VERSION_EXTFLGBIT);
+}
+
+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;
+       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;
+}
+
+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)
+{
+       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.
+ *
+ * Compat features are new features that old kernels will not notice or affect
+ * and so can mount read-write without issues.
+ *
+ * RO-Compat (read only) are features that old kernels can read but will break
+ * if they write. Hence only read-only mounts of such filesystems are allowed 
on
+ * kernels that don't support the feature bit.
+ *
+ * InCompat features are features which old kernels will not understand and so
+ * must not mount.
+ *
+ * Log-InCompat features are for changes to log formats or new transactions 
that
+ * can't be replayed on older kernels. The fields are set when the filesystem 
is
+ * mounted, and a clean unmount clears the fields.
+ */
+#define XFS_SB_FEAT_COMPAT_ALL 0
+#define XFS_SB_FEAT_COMPAT_UNKNOWN     ~XFS_SB_FEAT_COMPAT_ALL
+static inline bool
+xfs_sb_has_compat_feature(
+       struct xfs_sb   *sbp,
+       __uint32_t      feature)
+{
+       return (sbp->sb_features_compat & feature) != 0;
+}
+
+#define XFS_SB_FEAT_RO_COMPAT_FINOBT   (1 << 0)                /* free inode 
btree */
+#define XFS_SB_FEAT_RO_COMPAT_ALL \
+               (XFS_SB_FEAT_RO_COMPAT_FINOBT)
+#define XFS_SB_FEAT_RO_COMPAT_UNKNOWN  ~XFS_SB_FEAT_RO_COMPAT_ALL
+static inline bool
+xfs_sb_has_ro_compat_feature(
+       struct xfs_sb   *sbp,
+       __uint32_t      feature)
+{
+       return (sbp->sb_features_ro_compat & feature) != 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(
+       struct xfs_sb   *sbp,
+       __uint32_t      feature)
+{
+       return (sbp->sb_features_incompat & feature) != 0;
+}
+
+#define XFS_SB_FEAT_INCOMPAT_LOG_ALL 0
+#define XFS_SB_FEAT_INCOMPAT_LOG_UNKNOWN       ~XFS_SB_FEAT_INCOMPAT_LOG_ALL
+static inline bool
+xfs_sb_has_incompat_log_feature(
+       struct xfs_sb   *sbp,
+       __uint32_t      feature)
+{
+       return (sbp->sb_features_log_incompat & feature) != 0;
+}
+
+/*
+ * V5 superblock specific feature checks
+ */
+static inline int xfs_sb_version_hascrc(struct xfs_sb *sbp)
+{
+       return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5;
+}
+
+static inline int 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 int 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);
+}
+
+/*
+ * 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))
+
+#define        XFS_HDR_BLOCK(mp,d)     ((xfs_agblock_t)XFS_BB_TO_FSBT(mp,d))
+#define        XFS_DADDR_TO_FSB(mp,d)  XFS_AGB_TO_FSB(mp, \
+                       xfs_daddr_to_agno(mp,d), xfs_daddr_to_agbno(mp,d))
+#define        XFS_FSB_TO_DADDR(mp,fsbno)      XFS_AGB_TO_DADDR(mp, \
+                       XFS_FSB_TO_AGNO(mp,fsbno), XFS_FSB_TO_AGBNO(mp,fsbno))
+
+/*
+ * File system sector to basic block conversions.
+ */
+#define XFS_FSS_TO_BB(mp,sec)  ((sec) << (mp)->m_sectbb_log)
+
+/*
+ * File system block to basic block conversions.
+ */
+#define        XFS_FSB_TO_BB(mp,fsbno) ((fsbno) << (mp)->m_blkbb_log)
+#define        XFS_BB_TO_FSB(mp,bb)    \
+       (((bb) + (XFS_FSB_TO_BB(mp,1) - 1)) >> (mp)->m_blkbb_log)
+#define        XFS_BB_TO_FSBT(mp,bb)   ((bb) >> (mp)->m_blkbb_log)
+
+/*
+ * File system block to byte conversions.
+ */
+#define XFS_FSB_TO_B(mp,fsbno) ((xfs_fsize_t)(fsbno) << (mp)->m_sb.sb_blocklog)
+#define XFS_B_TO_FSB(mp,b)     \
+       ((((__uint64_t)(b)) + (mp)->m_blockmask) >> (mp)->m_sb.sb_blocklog)
+#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)
+
+/*
  * Allocation group header
  *
  * This is divided into three structures, placed in sequential 512-byte
diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c
index 4e029cc..964c465 100644
--- a/fs/xfs/libxfs/xfs_ialloc_btree.c
+++ b/fs/xfs/libxfs/xfs_ialloc_btree.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_btree.h"
diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c
index f63c455..002b6b3 100644
--- a/fs/xfs/libxfs/xfs_inode_buf.c
+++ b/fs/xfs/libxfs/xfs_inode_buf.c
@@ -21,7 +21,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_error.h"
diff --git a/fs/xfs/libxfs/xfs_inode_fork.c b/fs/xfs/libxfs/xfs_inode_fork.c
index ab06599..8912d28 100644
--- a/fs/xfs/libxfs/xfs_inode_fork.c
+++ b/fs/xfs/libxfs/xfs_inode_fork.c
@@ -23,7 +23,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_inum.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_trans.h"
diff --git a/fs/xfs/libxfs/xfs_log_rlimit.c b/fs/xfs/libxfs/xfs_log_rlimit.c
index 1c250ee..c105979 100644
--- a/fs/xfs/libxfs/xfs_log_rlimit.c
+++ b/fs/xfs/libxfs/xfs_log_rlimit.c
@@ -21,7 +21,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_trans_space.h"
diff --git a/fs/xfs/libxfs/xfs_rtbitmap.c b/fs/xfs/libxfs/xfs_rtbitmap.c
index ad3d1dc..9b59ffa 100644
--- a/fs/xfs/libxfs/xfs_rtbitmap.c
+++ b/fs/xfs/libxfs/xfs_rtbitmap.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_bmap.h"
diff --git a/fs/xfs/libxfs/xfs_sb.h b/fs/xfs/libxfs/xfs_sb.h
index 2e73970..8eb1c54 100644
--- a/fs/xfs/libxfs/xfs_sb.h
+++ b/fs/xfs/libxfs/xfs_sb.h
@@ -19,590 +19,6 @@
 #define        __XFS_SB_H__
 
 /*
- * Super block
- * Fits into a sector-sized buffer at address 0 of each allocation group.
- * Only the first of these is ever updated except during growfs.
- */
-
-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 */
-#define        XFS_SB_VERSION_2        2               /* 6.2 - attributes */
-#define        XFS_SB_VERSION_3        3               /* 6.2 - new inode 
version */
-#define        XFS_SB_VERSION_4        4               /* 6.2+ - bitmask 
version */
-#define        XFS_SB_VERSION_5        5               /* CRC enabled 
filesystem */
-#define        XFS_SB_VERSION_NUMBITS          0x000f
-#define        XFS_SB_VERSION_ALLFBITS         0xfff0
-#define        XFS_SB_VERSION_ATTRBIT          0x0010
-#define        XFS_SB_VERSION_NLINKBIT         0x0020
-#define        XFS_SB_VERSION_QUOTABIT         0x0040
-#define        XFS_SB_VERSION_ALIGNBIT         0x0080
-#define        XFS_SB_VERSION_DALIGNBIT        0x0100
-#define        XFS_SB_VERSION_SHAREDBIT        0x0200
-#define XFS_SB_VERSION_LOGV2BIT                0x0400
-#define XFS_SB_VERSION_SECTORBIT       0x0800
-#define        XFS_SB_VERSION_EXTFLGBIT        0x1000
-#define        XFS_SB_VERSION_DIRV2BIT         0x2000
-#define        XFS_SB_VERSION_BORGBIT          0x4000  /* ASCII only 
case-insens. */
-#define        XFS_SB_VERSION_MOREBITSBIT      0x8000
-
-/*
- * Supported feature bit list is just all bits in the versionnum field because
- * we've used them all up and understand them all. Except, of course, for the
- * shared superblock bit, which nobody knows what it does and so is 
unsupported.
- */
-#define        XFS_SB_VERSION_OKBITS           \
-       ((XFS_SB_VERSION_NUMBITS | XFS_SB_VERSION_ALLFBITS) & \
-               ~XFS_SB_VERSION_SHAREDBIT)
-
-/*
- * There are two words to hold XFS "feature" bits: the original
- * word, sb_versionnum, and sb_features2.  Whenever a bit is set in
- * sb_features2, the feature bit XFS_SB_VERSION_MOREBITSBIT must be set.
- *
- * These defines represent bits in sb_features2.
- */
-#define XFS_SB_VERSION2_RESERVED1BIT   0x00000001
-#define XFS_SB_VERSION2_LAZYSBCOUNTBIT 0x00000002      /* Superblk counters */
-#define XFS_SB_VERSION2_RESERVED4BIT   0x00000004
-#define XFS_SB_VERSION2_ATTR2BIT       0x00000008      /* Inline attr rework */
-#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_OKBITS          \
-       (XFS_SB_VERSION2_LAZYSBCOUNTBIT | \
-        XFS_SB_VERSION2_ATTR2BIT       | \
-        XFS_SB_VERSION2_PROJID32BIT    | \
-        XFS_SB_VERSION2_FTYPE)
-
-/*
- * Superblock - in core version.  Must match the ondisk version below.
- * Must be padded to 64 bit alignment.
- */
-typedef struct xfs_sb {
-       __uint32_t      sb_magicnum;    /* magic number == XFS_SB_MAGIC */
-       __uint32_t      sb_blocksize;   /* logical block size, bytes */
-       xfs_rfsblock_t  sb_dblocks;     /* number of data blocks */
-       xfs_rfsblock_t  sb_rblocks;     /* number of realtime blocks */
-       xfs_rtblock_t   sb_rextents;    /* number of realtime extents */
-       uuid_t          sb_uuid;        /* file system unique id */
-       xfs_fsblock_t   sb_logstart;    /* starting block of log if internal */
-       xfs_ino_t       sb_rootino;     /* root inode number */
-       xfs_ino_t       sb_rbmino;      /* bitmap inode for realtime extents */
-       xfs_ino_t       sb_rsumino;     /* summary inode for rt bitmap */
-       xfs_agblock_t   sb_rextsize;    /* realtime extent size, blocks */
-       xfs_agblock_t   sb_agblocks;    /* size of an allocation group */
-       xfs_agnumber_t  sb_agcount;     /* number of allocation groups */
-       xfs_extlen_t    sb_rbmblocks;   /* number of rt bitmap blocks */
-       xfs_extlen_t    sb_logblocks;   /* number of log blocks */
-       __uint16_t      sb_versionnum;  /* header version == XFS_SB_VERSION */
-       __uint16_t      sb_sectsize;    /* volume sector size, bytes */
-       __uint16_t      sb_inodesize;   /* inode size, bytes */
-       __uint16_t      sb_inopblock;   /* inodes per block */
-       char            sb_fname[12];   /* file system name */
-       __uint8_t       sb_blocklog;    /* log2 of sb_blocksize */
-       __uint8_t       sb_sectlog;     /* log2 of sb_sectsize */
-       __uint8_t       sb_inodelog;    /* log2 of sb_inodesize */
-       __uint8_t       sb_inopblog;    /* log2 of sb_inopblock */
-       __uint8_t       sb_agblklog;    /* log2 of sb_agblocks (rounded up) */
-       __uint8_t       sb_rextslog;    /* log2 of sb_rextents */
-       __uint8_t       sb_inprogress;  /* mkfs is in progress, don't mount */
-       __uint8_t       sb_imax_pct;    /* max % of fs for inode space */
-                                       /* statistics */
-       /*
-        * These fields must remain contiguous.  If you really
-        * want to change their layout, make sure you fix the
-        * code in xfs_trans_apply_sb_deltas().
-        */
-       __uint64_t      sb_icount;      /* allocated inodes */
-       __uint64_t      sb_ifree;       /* free inodes */
-       __uint64_t      sb_fdblocks;    /* free data blocks */
-       __uint64_t      sb_frextents;   /* free realtime extents */
-       /*
-        * End contiguous fields.
-        */
-       xfs_ino_t       sb_uquotino;    /* user quota inode */
-       xfs_ino_t       sb_gquotino;    /* group quota inode */
-       __uint16_t      sb_qflags;      /* quota flags */
-       __uint8_t       sb_flags;       /* misc. flags */
-       __uint8_t       sb_shared_vn;   /* shared version number */
-       xfs_extlen_t    sb_inoalignmt;  /* inode chunk alignment, fsblocks */
-       __uint32_t      sb_unit;        /* stripe or raid unit */
-       __uint32_t      sb_width;       /* stripe or raid width */
-       __uint8_t       sb_dirblklog;   /* log2 of dir block size (fsbs) */
-       __uint8_t       sb_logsectlog;  /* log2 of the log sector size */
-       __uint16_t      sb_logsectsize; /* sector size for the log, bytes */
-       __uint32_t      sb_logsunit;    /* stripe unit size for the log */
-       __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.
-        */
-       __uint32_t      sb_bad_features2;
-
-       /* version 5 superblock fields start here */
-
-       /* feature masks */
-       __uint32_t      sb_features_compat;
-       __uint32_t      sb_features_ro_compat;
-       __uint32_t      sb_features_incompat;
-       __uint32_t      sb_features_log_incompat;
-
-       __uint32_t      sb_crc;         /* superblock crc */
-       __uint32_t      sb_pad;
-
-       xfs_ino_t       sb_pquotino;    /* project quota inode */
-       xfs_lsn_t       sb_lsn;         /* last write sequence */
-
-       /* must be padded to 64 bit alignment */
-} xfs_sb_t;
-
-#define XFS_SB_CRC_OFF         offsetof(struct xfs_sb, sb_crc)
-
-/*
- * Superblock - on disk version.  Must match the in core version above.
- * Must be padded to 64 bit alignment.
- */
-typedef struct xfs_dsb {
-       __be32          sb_magicnum;    /* magic number == XFS_SB_MAGIC */
-       __be32          sb_blocksize;   /* logical block size, bytes */
-       __be64          sb_dblocks;     /* number of data blocks */
-       __be64          sb_rblocks;     /* number of realtime blocks */
-       __be64          sb_rextents;    /* number of realtime extents */
-       uuid_t          sb_uuid;        /* file system unique id */
-       __be64          sb_logstart;    /* starting block of log if internal */
-       __be64          sb_rootino;     /* root inode number */
-       __be64          sb_rbmino;      /* bitmap inode for realtime extents */
-       __be64          sb_rsumino;     /* summary inode for rt bitmap */
-       __be32          sb_rextsize;    /* realtime extent size, blocks */
-       __be32          sb_agblocks;    /* size of an allocation group */
-       __be32          sb_agcount;     /* number of allocation groups */
-       __be32          sb_rbmblocks;   /* number of rt bitmap blocks */
-       __be32          sb_logblocks;   /* number of log blocks */
-       __be16          sb_versionnum;  /* header version == XFS_SB_VERSION */
-       __be16          sb_sectsize;    /* volume sector size, bytes */
-       __be16          sb_inodesize;   /* inode size, bytes */
-       __be16          sb_inopblock;   /* inodes per block */
-       char            sb_fname[12];   /* file system name */
-       __u8            sb_blocklog;    /* log2 of sb_blocksize */
-       __u8            sb_sectlog;     /* log2 of sb_sectsize */
-       __u8            sb_inodelog;    /* log2 of sb_inodesize */
-       __u8            sb_inopblog;    /* log2 of sb_inopblock */
-       __u8            sb_agblklog;    /* log2 of sb_agblocks (rounded up) */
-       __u8            sb_rextslog;    /* log2 of sb_rextents */
-       __u8            sb_inprogress;  /* mkfs is in progress, don't mount */
-       __u8            sb_imax_pct;    /* max % of fs for inode space */
-                                       /* statistics */
-       /*
-        * These fields must remain contiguous.  If you really
-        * want to change their layout, make sure you fix the
-        * code in xfs_trans_apply_sb_deltas().
-        */
-       __be64          sb_icount;      /* allocated inodes */
-       __be64          sb_ifree;       /* free inodes */
-       __be64          sb_fdblocks;    /* free data blocks */
-       __be64          sb_frextents;   /* free realtime extents */
-       /*
-        * End contiguous fields.
-        */
-       __be64          sb_uquotino;    /* user quota inode */
-       __be64          sb_gquotino;    /* group quota inode */
-       __be16          sb_qflags;      /* quota flags */
-       __u8            sb_flags;       /* misc. flags */
-       __u8            sb_shared_vn;   /* shared version number */
-       __be32          sb_inoalignmt;  /* inode chunk alignment, fsblocks */
-       __be32          sb_unit;        /* stripe or raid unit */
-       __be32          sb_width;       /* stripe or raid width */
-       __u8            sb_dirblklog;   /* log2 of dir block size (fsbs) */
-       __u8            sb_logsectlog;  /* log2 of the log sector size */
-       __be16          sb_logsectsize; /* sector size for the log, bytes */
-       __be32          sb_logsunit;    /* stripe unit size for the log */
-       __be32          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.
-        */
-       __be32          sb_bad_features2;
-
-       /* version 5 superblock fields start here */
-
-       /* feature masks */
-       __be32          sb_features_compat;
-       __be32          sb_features_ro_compat;
-       __be32          sb_features_incompat;
-       __be32          sb_features_log_incompat;
-
-       __le32          sb_crc;         /* superblock crc */
-       __be32          sb_pad;
-
-       __be64          sb_pquotino;    /* project quota inode */
-       __be64          sb_lsn;         /* last write sequence */
-
-       /* must be padded to 64 bit alignment */
-} xfs_dsb_t;
-
-/*
- * Sequence number values for the fields.
- */
-typedef enum {
-       XFS_SBS_MAGICNUM, XFS_SBS_BLOCKSIZE, XFS_SBS_DBLOCKS, XFS_SBS_RBLOCKS,
-       XFS_SBS_REXTENTS, XFS_SBS_UUID, XFS_SBS_LOGSTART, XFS_SBS_ROOTINO,
-       XFS_SBS_RBMINO, XFS_SBS_RSUMINO, XFS_SBS_REXTSIZE, XFS_SBS_AGBLOCKS,
-       XFS_SBS_AGCOUNT, XFS_SBS_RBMBLOCKS, XFS_SBS_LOGBLOCKS,
-       XFS_SBS_VERSIONNUM, XFS_SBS_SECTSIZE, XFS_SBS_INODESIZE,
-       XFS_SBS_INOPBLOCK, XFS_SBS_FNAME, XFS_SBS_BLOCKLOG,
-       XFS_SBS_SECTLOG, XFS_SBS_INODELOG, XFS_SBS_INOPBLOG, XFS_SBS_AGBLKLOG,
-       XFS_SBS_REXTSLOG, XFS_SBS_INPROGRESS, XFS_SBS_IMAX_PCT, XFS_SBS_ICOUNT,
-       XFS_SBS_IFREE, XFS_SBS_FDBLOCKS, XFS_SBS_FREXTENTS, XFS_SBS_UQUOTINO,
-       XFS_SBS_GQUOTINO, XFS_SBS_QFLAGS, XFS_SBS_FLAGS, XFS_SBS_SHARED_VN,
-       XFS_SBS_INOALIGNMT, XFS_SBS_UNIT, XFS_SBS_WIDTH, XFS_SBS_DIRBLKLOG,
-       XFS_SBS_LOGSECTLOG, XFS_SBS_LOGSECTSIZE, XFS_SBS_LOGSUNIT,
-       XFS_SBS_FEATURES2, XFS_SBS_BAD_FEATURES2, XFS_SBS_FEATURES_COMPAT,
-       XFS_SBS_FEATURES_RO_COMPAT, XFS_SBS_FEATURES_INCOMPAT,
-       XFS_SBS_FEATURES_LOG_INCOMPAT, XFS_SBS_CRC, XFS_SBS_PAD,
-       XFS_SBS_PQUOTINO, XFS_SBS_LSN,
-       XFS_SBS_FIELDCOUNT
-} xfs_sb_field_t;
-
-/*
- * Mask values, defined based on the xfs_sb_field_t values.
- * Only define the ones we're using.
- */
-#define        XFS_SB_MVAL(x)          (1LL << XFS_SBS_ ## x)
-#define        XFS_SB_UUID             XFS_SB_MVAL(UUID)
-#define        XFS_SB_FNAME            XFS_SB_MVAL(FNAME)
-#define        XFS_SB_ROOTINO          XFS_SB_MVAL(ROOTINO)
-#define        XFS_SB_RBMINO           XFS_SB_MVAL(RBMINO)
-#define        XFS_SB_RSUMINO          XFS_SB_MVAL(RSUMINO)
-#define        XFS_SB_VERSIONNUM       XFS_SB_MVAL(VERSIONNUM)
-#define XFS_SB_UQUOTINO                XFS_SB_MVAL(UQUOTINO)
-#define XFS_SB_GQUOTINO                XFS_SB_MVAL(GQUOTINO)
-#define XFS_SB_QFLAGS          XFS_SB_MVAL(QFLAGS)
-#define XFS_SB_SHARED_VN       XFS_SB_MVAL(SHARED_VN)
-#define XFS_SB_UNIT            XFS_SB_MVAL(UNIT)
-#define XFS_SB_WIDTH           XFS_SB_MVAL(WIDTH)
-#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_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)
-#define XFS_SB_FEATURES_LOG_INCOMPAT XFS_SB_MVAL(FEATURES_LOG_INCOMPAT)
-#define XFS_SB_CRC             XFS_SB_MVAL(CRC)
-#define XFS_SB_PQUOTINO                XFS_SB_MVAL(PQUOTINO)
-#define        XFS_SB_NUM_BITS         ((int)XFS_SBS_FIELDCOUNT)
-#define        XFS_SB_ALL_BITS         ((1LL << XFS_SB_NUM_BITS) - 1)
-#define        XFS_SB_MOD_BITS         \
-       (XFS_SB_UUID | XFS_SB_ROOTINO | XFS_SB_RBMINO | XFS_SB_RSUMINO | \
-        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)
-
-
-/*
- * Misc. Flags - warning - these will be cleared by xfs_repair unless
- * a feature bit is set when the flag is used.
- */
-#define XFS_SBF_NOFLAGS                0x00    /* no flags set */
-#define XFS_SBF_READONLY       0x01    /* only read-only mounts allowed */
-
-/*
- * define max. shared version we can interoperate with
- */
-#define XFS_SB_MAX_SHARED_VN   0
-
-#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;
-
-       /* 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)
-{
-       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;
-}
-
-/*
- * Detect a mismatched features2 field.  Older kernels read/wrote
- * this into the wrong slot, so to be safe we keep them in sync.
- */
-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)
-{
-       return (sbp->sb_versionnum & XFS_SB_VERSION_ATTRBIT);
-}
-
-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_hasextflgbit(struct xfs_sb *sbp)
-{
-       return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 ||
-              (sbp->sb_versionnum & XFS_SB_VERSION_EXTFLGBIT);
-}
-
-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;
-       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;
-}
-
-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)
-{
-       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.
- *
- * Compat features are new features that old kernels will not notice or affect
- * and so can mount read-write without issues.
- *
- * RO-Compat (read only) are features that old kernels can read but will break
- * if they write. Hence only read-only mounts of such filesystems are allowed 
on
- * kernels that don't support the feature bit.
- *
- * InCompat features are features which old kernels will not understand and so
- * must not mount.
- *
- * Log-InCompat features are for changes to log formats or new transactions 
that
- * can't be replayed on older kernels. The fields are set when the filesystem 
is
- * mounted, and a clean unmount clears the fields.
- */
-#define XFS_SB_FEAT_COMPAT_ALL 0
-#define XFS_SB_FEAT_COMPAT_UNKNOWN     ~XFS_SB_FEAT_COMPAT_ALL
-static inline bool
-xfs_sb_has_compat_feature(
-       struct xfs_sb   *sbp,
-       __uint32_t      feature)
-{
-       return (sbp->sb_features_compat & feature) != 0;
-}
-
-#define XFS_SB_FEAT_RO_COMPAT_FINOBT   (1 << 0)                /* free inode 
btree */
-#define XFS_SB_FEAT_RO_COMPAT_ALL \
-               (XFS_SB_FEAT_RO_COMPAT_FINOBT)
-#define XFS_SB_FEAT_RO_COMPAT_UNKNOWN  ~XFS_SB_FEAT_RO_COMPAT_ALL
-static inline bool
-xfs_sb_has_ro_compat_feature(
-       struct xfs_sb   *sbp,
-       __uint32_t      feature)
-{
-       return (sbp->sb_features_ro_compat & feature) != 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(
-       struct xfs_sb   *sbp,
-       __uint32_t      feature)
-{
-       return (sbp->sb_features_incompat & feature) != 0;
-}
-
-#define XFS_SB_FEAT_INCOMPAT_LOG_ALL 0
-#define XFS_SB_FEAT_INCOMPAT_LOG_UNKNOWN       ~XFS_SB_FEAT_INCOMPAT_LOG_ALL
-static inline bool
-xfs_sb_has_incompat_log_feature(
-       struct xfs_sb   *sbp,
-       __uint32_t      feature)
-{
-       return (sbp->sb_features_log_incompat & feature) != 0;
-}
-
-/*
- * V5 superblock specific feature checks
- */
-static inline int xfs_sb_version_hascrc(struct xfs_sb *sbp)
-{
-       return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5;
-}
-
-static inline int 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 int 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);
-}
-
-/*
- * 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))
-
-#define        XFS_HDR_BLOCK(mp,d)     ((xfs_agblock_t)XFS_BB_TO_FSBT(mp,d))
-#define        XFS_DADDR_TO_FSB(mp,d)  XFS_AGB_TO_FSB(mp, \
-                       xfs_daddr_to_agno(mp,d), xfs_daddr_to_agbno(mp,d))
-#define        XFS_FSB_TO_DADDR(mp,fsbno)      XFS_AGB_TO_DADDR(mp, \
-                       XFS_FSB_TO_AGNO(mp,fsbno), XFS_FSB_TO_AGBNO(mp,fsbno))
-
-/*
- * File system sector to basic block conversions.
- */
-#define XFS_FSS_TO_BB(mp,sec)  ((sec) << (mp)->m_sectbb_log)
-
-/*
- * File system block to basic block conversions.
- */
-#define        XFS_FSB_TO_BB(mp,fsbno) ((fsbno) << (mp)->m_blkbb_log)
-#define        XFS_BB_TO_FSB(mp,bb)    \
-       (((bb) + (XFS_FSB_TO_BB(mp,1) - 1)) >> (mp)->m_blkbb_log)
-#define        XFS_BB_TO_FSBT(mp,bb)   ((bb) >> (mp)->m_blkbb_log)
-
-/*
- * File system block to byte conversions.
- */
-#define XFS_FSB_TO_B(mp,fsbno) ((xfs_fsize_t)(fsbno) << (mp)->m_sb.sb_blocklog)
-#define XFS_B_TO_FSB(mp,b)     \
-       ((((__uint64_t)(b)) + (mp)->m_blockmask) >> (mp)->m_sb.sb_blocklog)
-#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);
diff --git a/fs/xfs/libxfs/xfs_symlink_remote.c 
b/fs/xfs/libxfs/xfs_symlink_remote.c
index 87ee299..c80c523 100644
--- a/fs/xfs/libxfs/xfs_symlink_remote.c
+++ b/fs/xfs/libxfs/xfs_symlink_remote.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_shared.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_bmap_btree.h"
 #include "xfs_inode.h"
diff --git a/fs/xfs/libxfs/xfs_trans_resv.c b/fs/xfs/libxfs/xfs_trans_resv.c
index f2a03e5..6c1330f 100644
--- a/fs/xfs/libxfs/xfs_trans_resv.c
+++ b/fs/xfs/libxfs/xfs_trans_resv.c
@@ -22,7 +22,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/xfs_acl.c b/fs/xfs/xfs_acl.c
index 66cd043..4b64167 100644
--- a/fs/xfs/xfs_acl.c
+++ b/fs/xfs/xfs_acl.c
@@ -19,7 +19,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_acl.h"
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 183b634..18e2f3b 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -20,7 +20,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_trans.h"
diff --git a/fs/xfs/xfs_attr_inactive.c b/fs/xfs/xfs_attr_inactive.c
index b466388..83af4c1 100644
--- a/fs/xfs/xfs_attr_inactive.c
+++ b/fs/xfs/xfs_attr_inactive.c
@@ -23,7 +23,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/xfs_attr_list.c b/fs/xfs/xfs_attr_list.c
index 13dce2b..a43d370 100644
--- a/fs/xfs/xfs_attr_list.c
+++ b/fs/xfs/xfs_attr_list.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index e663822..22a5dcb 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -23,7 +23,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_inode.h"
diff --git a/fs/xfs/xfs_dir2_readdir.c b/fs/xfs/xfs_dir2_readdir.c
index 09b0eb7..b5a10d2 100644
--- a/fs/xfs/xfs_dir2_readdir.c
+++ b/fs/xfs/xfs_dir2_readdir.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c
index 2221684..02c01bb 100644
--- a/fs/xfs/xfs_dquot.c
+++ b/fs/xfs/xfs_dquot.c
@@ -22,7 +22,6 @@
 #include "xfs_shared.h"
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_bmap.h"
diff --git a/fs/xfs/xfs_dquot_item.c b/fs/xfs/xfs_dquot_item.c
index 1f87bc8..814cff9 100644
--- a/fs/xfs/xfs_dquot_item.c
+++ b/fs/xfs/xfs_dquot_item.c
@@ -20,7 +20,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_quota.h"
diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c
index f5d90ed..3ee186a 100644
--- a/fs/xfs/xfs_error.c
+++ b/fs/xfs/xfs_error.c
@@ -20,7 +20,6 @@
 #include "xfs_fs.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_error.h"
 
diff --git a/fs/xfs/xfs_export.c b/fs/xfs/xfs_export.c
index 73172e1..0a0a6fa 100644
--- a/fs/xfs/xfs_export.c
+++ b/fs/xfs/xfs_export.c
@@ -19,7 +19,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_dir2.h"
diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c
index e751c60..cb7fe64 100644
--- a/fs/xfs/xfs_extfree_item.c
+++ b/fs/xfs/xfs_extfree_item.c
@@ -20,7 +20,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_trans.h"
 #include "xfs_trans_priv.h"
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 69b7dd3..e2b1a81 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -21,7 +21,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/xfs_icreate_item.c b/fs/xfs/xfs_icreate_item.c
index 131b043..d45ca72 100644
--- a/fs/xfs/xfs_icreate_item.c
+++ b/fs/xfs/xfs_icreate_item.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_trans.h"
 #include "xfs_trans_priv.h"
diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c
index 0bd3af6..bf13a5a 100644
--- a/fs/xfs/xfs_inode_item.c
+++ b/fs/xfs/xfs_inode_item.c
@@ -20,7 +20,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_trans.h"
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index d2175b6..a183198 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -21,7 +21,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_ioctl.h"
diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c
index 9a36ee0..ec67728 100644
--- a/fs/xfs/xfs_ioctl32.c
+++ b/fs/xfs/xfs_ioctl32.c
@@ -25,7 +25,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_itable.h"
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 7ab365a..2262ce3 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -21,7 +21,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_btree.h"
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index 55aa9e8..f14a3e5 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -21,7 +21,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_inode.h"
diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c
index 8efcdf0..77aba24 100644
--- a/fs/xfs/xfs_itable.c
+++ b/fs/xfs/xfs_itable.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_inum.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_btree.h"
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 765f32e..bfeb442 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -21,7 +21,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_error.h"
 #include "xfs_trans.h"
diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c
index 951c08f..45cc0ce 100644
--- a/fs/xfs/xfs_log_cil.c
+++ b/fs/xfs/xfs_log_cil.c
@@ -21,7 +21,6 @@
 #include "xfs_log_format.h"
 #include "xfs_shared.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_error.h"
 #include "xfs_alloc.h"
diff --git a/fs/xfs/xfs_message.c b/fs/xfs/xfs_message.c
index 8abc2d5..d8b6754 100644
--- a/fs/xfs/xfs_message.c
+++ b/fs/xfs/xfs_message.c
@@ -20,7 +20,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 
 /*
diff --git a/fs/xfs/xfs_qm_bhv.c b/fs/xfs/xfs_qm_bhv.c
index b781dc5..3e52d5d 100644
--- a/fs/xfs/xfs_qm_bhv.c
+++ b/fs/xfs/xfs_qm_bhv.c
@@ -20,7 +20,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_quota.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
diff --git a/fs/xfs/xfs_quotaops.c b/fs/xfs/xfs_quotaops.c
index 7638439..7542bbe 100644
--- a/fs/xfs/xfs_quotaops.c
+++ b/fs/xfs/xfs_quotaops.c
@@ -19,7 +19,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_quota.h"
diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c
index cb93a72..f2079b6 100644
--- a/fs/xfs/xfs_rtalloc.c
+++ b/fs/xfs/xfs_rtalloc.c
@@ -22,7 +22,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_bmap.h"
diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c
index 99bc129..25791df 100644
--- a/fs/xfs/xfs_symlink.c
+++ b/fs/xfs/xfs_symlink.c
@@ -23,7 +23,6 @@
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
 #include "xfs_bit.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
diff --git a/fs/xfs/xfs_trace.c b/fs/xfs/xfs_trace.c
index 017051a..13a0298 100644
--- a/fs/xfs/xfs_trace.c
+++ b/fs/xfs/xfs_trace.c
@@ -21,7 +21,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_inode.h"
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 02df25d..fa3135b 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -22,7 +22,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_extent_busy.h"
diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c
index dd828d6..573aefb 100644
--- a/fs/xfs/xfs_trans_ail.c
+++ b/fs/xfs/xfs_trans_ail.c
@@ -21,7 +21,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_trans.h"
 #include "xfs_trans_priv.h"
diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c
index f9192b0..d3d80be 100644
--- a/fs/xfs/xfs_trans_buf.c
+++ b/fs/xfs/xfs_trans_buf.c
@@ -21,7 +21,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_trans.h"
diff --git a/fs/xfs/xfs_trans_dquot.c b/fs/xfs/xfs_trans_dquot.c
index 6320e28..76a16df 100644
--- a/fs/xfs/xfs_trans_dquot.c
+++ b/fs/xfs/xfs_trans_dquot.c
@@ -21,7 +21,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_error.h"
diff --git a/fs/xfs/xfs_trans_extfree.c b/fs/xfs/xfs_trans_extfree.c
index a0aaa3e..284397d 100644
--- a/fs/xfs/xfs_trans_extfree.c
+++ b/fs/xfs/xfs_trans_extfree.c
@@ -21,7 +21,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_trans.h"
 #include "xfs_trans_priv.h"
diff --git a/fs/xfs/xfs_trans_inode.c b/fs/xfs/xfs_trans_inode.c
index 592904b..17280cd 100644
--- a/fs/xfs/xfs_trans_inode.c
+++ b/fs/xfs/xfs_trans_inode.c
@@ -21,7 +21,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_inode.h"
 #include "xfs_trans.h"
diff --git a/fs/xfs/xfs_xattr.c b/fs/xfs/xfs_xattr.c
index 30c6158..69f6e47 100644
--- a/fs/xfs/xfs_xattr.c
+++ b/fs/xfs/xfs_xattr.c
@@ -20,7 +20,6 @@
 #include "xfs_format.h"
 #include "xfs_log_format.h"
 #include "xfs_trans_resv.h"
-#include "xfs_sb.h"
 #include "xfs_mount.h"
 #include "xfs_da_format.h"
 #include "xfs_inode.h"
-- 
1.9.1

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