xfs: take inode version into account in XFS_LITINO

Add a version argument to XFS_LITINO so that it can return different values
depending on the inode version.  This is required for the upcoming v3 inodes
with a larger fixed layout dinode.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

5 files changed, 13 insertions, 10 deletions

diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c
index ee24993c7d12..f96a734ed1e0 100644
--- a/fs/xfs/xfs_attr_leaf.c
+++ b/fs/xfs/xfs_attr_leaf.c
@@ -172,7 +172,8 @@ xfs_attr_shortform_bytesfit(xfs_inode_t *dp, int bytes)
         int dsize;
         xfs_mount_t *mp = dp->i_mount;
 
-        offset = (XFS_LITINO(mp) - bytes) >> 3; /* rounded down */
+        /* rounded down */
+        offset = (XFS_LITINO(mp, dp->i_d.di_version) - bytes) >> 3;
 
         switch (dp->i_d.di_format) {
         case XFS_DINODE_FMT_DEV:
@@ -243,7 +244,8 @@ xfs_attr_shortform_bytesfit(xfs_inode_t *dp, int bytes)
         minforkoff = roundup(minforkoff, 8) >> 3;
 
         /* attr fork btree root can have at least this many key/ptr pairs */
-        maxforkoff = XFS_LITINO(mp) - XFS_BMDR_SPACE_CALC(MINABTPTRS);
+        maxforkoff = XFS_LITINO(mp, dp->i_d.di_version) -
+                        XFS_BMDR_SPACE_CALC(MINABTPTRS);
         maxforkoff = maxforkoff >> 3;   /* rounded down */
 
         if (offset >= maxforkoff)
diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c
index d490fe8fd19f..20efb397a7f4 100644
--- a/fs/xfs/xfs_bmap.c
+++ b/fs/xfs/xfs_bmap.c
@@ -228,13 +228,13 @@ xfs_default_attroffset(
         uint                    offset;
 
         if (mp->m_sb.sb_inodesize == 256) {
-                offset = XFS_LITINO(mp) -
+                offset = XFS_LITINO(mp, ip->i_d.di_version) -
                                 XFS_BMDR_SPACE_CALC(MINABTPTRS);
         } else {
                 offset = XFS_BMDR_SPACE_CALC(6 * MINABTPTRS);
         }
 
-        ASSERT(offset < XFS_LITINO(mp));
+        ASSERT(offset < XFS_LITINO(mp, ip->i_d.di_version));
         return offset;
 }
 
diff --git a/fs/xfs/xfs_dinode.h b/fs/xfs/xfs_dinode.h
index 1d9643b3dce6..88a3368ef124 100644
--- a/fs/xfs/xfs_dinode.h
+++ b/fs/xfs/xfs_dinode.h
@@ -104,7 +104,7 @@ typedef enum xfs_dinode_fmt {
 /*
  * Inode size for given fs.
  */
-#define XFS_LITINO(mp) \
+#define XFS_LITINO(mp, version) \
         ((int)(((mp)->m_sb.sb_inodesize) - sizeof(struct xfs_dinode)))
 
 #define XFS_BROOT_SIZE_ADJ      \
@@ -119,10 +119,10 @@ typedef enum xfs_dinode_fmt {
 #define XFS_DFORK_DSIZE(dip,mp) \
         (XFS_DFORK_Q(dip) ? \
                 XFS_DFORK_BOFF(dip) : \
-                XFS_LITINO(mp))
+                XFS_LITINO(mp, (dip)->di_version))
 #define XFS_DFORK_ASIZE(dip,mp) \
         (XFS_DFORK_Q(dip) ? \
-                XFS_LITINO(mp) - XFS_DFORK_BOFF(dip) : \
+                XFS_LITINO(mp, (dip)->di_version) - XFS_DFORK_BOFF(dip) : \
                 0)
 #define XFS_DFORK_SIZE(dip,mp,w) \
         ((w) == XFS_DATA_FORK ? \
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h
index 237e7f6f2ab3..b8520b5c3a18 100644
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -180,10 +180,11 @@ typedef struct xfs_icdinode {
 #define XFS_IFORK_DSIZE(ip) \
         (XFS_IFORK_Q(ip) ? \
                 XFS_IFORK_BOFF(ip) : \
-                XFS_LITINO((ip)->i_mount))
+                XFS_LITINO((ip)->i_mount, (ip)->i_d.di_version))
 #define XFS_IFORK_ASIZE(ip) \
         (XFS_IFORK_Q(ip) ? \
-                XFS_LITINO((ip)->i_mount) - XFS_IFORK_BOFF(ip) : \
+                XFS_LITINO((ip)->i_mount, (ip)->i_d.di_version) - \
+                        XFS_IFORK_BOFF(ip) : \
                 0)
 #define XFS_IFORK_SIZE(ip,w) \
         ((w) == XFS_DATA_FORK ? \
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index 77ad74834baa..aa0c06692e18 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -1420,7 +1420,7 @@ xfs_symlink(
          * The symlink will fit into the inode data fork?
          * There can't be any attributes so we get the whole variable part.
          */
-        if (pathlen <= XFS_LITINO(mp))
+        if (pathlen <= XFS_LITINO(mp, dp->i_d.di_version))
                 fs_blocks = 0;
         else
                 fs_blocks = XFS_B_TO_FSB(mp, pathlen);