xfs: make largest supported offset less shouty

XFS_MAXIOFFSET() is just a simple macro that resolves to
mp->m_maxioffset. It doesn't need to exist, and it just makes the
code unnecessarily loud and shouty.

Make it quiet and easy to read.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

7 files changed, 10 insertions, 12 deletions

diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c
index 58b815ec8c91..848ffa77707b 100644
--- a/fs/xfs/xfs_bmap.c
+++ b/fs/xfs/xfs_bmap.c
@@ -5517,7 +5517,7 @@ xfs_getbmap(
                 if (xfs_get_extsz_hint(ip) ||
                     ip->i_d.di_flags & (XFS_DIFLAG_PREALLOC|XFS_DIFLAG_APPEND)){
                         prealloced = 1;
-                        fixlen = XFS_MAXIOFFSET(mp);
+                        fixlen = mp->m_super->s_maxbytes;
                 } else {
                         prealloced = 0;
                         fixlen = XFS_ISIZE(ip);
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 9f7ec15a6522..59e22c989cd4 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -273,7 +273,7 @@ xfs_file_aio_read(
                 }
         }
 
-        n = XFS_MAXIOFFSET(mp) - iocb->ki_pos;
+        n = mp->m_super->s_maxbytes - iocb->ki_pos;
         if (n <= 0 || size == 0)
                 return 0;
 
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index a59eea09930a..257f3c463e0e 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -1226,7 +1226,7 @@ xfs_itruncate_extents(
          * then there is nothing to do.
          */
         first_unmap_block = XFS_B_TO_FSB(mp, (xfs_ufsize_t)new_size);
-        last_block = XFS_B_TO_FSB(mp, (xfs_ufsize_t)XFS_MAXIOFFSET(mp));
+        last_block = XFS_B_TO_FSB(mp, mp->m_super->s_maxbytes);
         if (first_unmap_block == last_block)
                 return 0;
 
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 4590cd1da432..915edf6639f0 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -285,7 +285,7 @@ xfs_iomap_eof_want_preallocate(
          * do any speculative allocation.
          */
         start_fsb = XFS_B_TO_FSBT(mp, ((xfs_ufsize_t)(offset + count - 1)));
-        count_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)XFS_MAXIOFFSET(mp));
+        count_fsb = XFS_B_TO_FSB(mp, mp->m_super->s_maxbytes);
         while (count_fsb > 0) {
                 imaps = nimaps;
                 firstblock = NULLFSBLOCK;
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index 47c6b3b3eb9c..90a45305407d 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -296,8 +296,6 @@ xfs_preferred_iosize(xfs_mount_t *mp)
                         PAGE_CACHE_SIZE));
 }
 
-#define XFS_MAXIOFFSET(mp)      ((mp)->m_super->s_maxbytes)
-
 #define XFS_LAST_UNMOUNT_WAS_CLEAN(mp)  \
                                 ((mp)->m_flags & XFS_MOUNT_WAS_CLEAN)
 #define XFS_FORCED_SHUTDOWN(mp) ((mp)->m_flags & XFS_MOUNT_FS_SHUTDOWN)
diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index 249db1987764..2e86fa0cfc0d 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -940,7 +940,7 @@ xfs_qm_dqiterate(
         map = kmem_alloc(XFS_DQITER_MAP_SIZE * sizeof(*map), KM_SLEEP);
 
         lblkno = 0;
-        maxlblkcnt = XFS_B_TO_FSB(mp, (xfs_ufsize_t)XFS_MAXIOFFSET(mp));
+        maxlblkcnt = XFS_B_TO_FSB(mp, mp->m_super->s_maxbytes);
         do {
                 nmaps = XFS_DQITER_MAP_SIZE;
                 /*
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index b6a82d817a82..c22f4e0ecac1 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -174,7 +174,7 @@ xfs_free_eofblocks(
          * of the file.  If not, then there is nothing to do.
          */
         end_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)XFS_ISIZE(ip));
-        last_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)XFS_MAXIOFFSET(mp));
+        last_fsb = XFS_B_TO_FSB(mp, mp->m_super->s_maxbytes);
         if (last_fsb <= end_fsb)
                 return 0;
         map_len = last_fsb - end_fsb;
@@ -2262,10 +2262,10 @@ xfs_change_file_space(
 
         llen = bf->l_len > 0 ? bf->l_len - 1 : bf->l_len;
 
-        if (   (bf->l_start < 0)
-            || (bf->l_start > XFS_MAXIOFFSET(mp))
-            || (bf->l_start + llen < 0)
-            || (bf->l_start + llen > XFS_MAXIOFFSET(mp)))
+        if (bf->l_start < 0 ||
+            bf->l_start > mp->m_super->s_maxbytes ||
+            bf->l_start + llen < 0 ||
+            bf->l_start + llen > mp->m_super->s_maxbytes)
                 return XFS_ERROR(EINVAL);
 
         bf->l_whence = 0;