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-rw-r--r--fs/xfs/xfs_clnt.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/xfs/xfs_clnt.h b/fs/xfs/xfs_clnt.h
index c93cb282f3d8..90d9d56c4dc8 100644
--- a/fs/xfs/xfs_clnt.h
+++ b/fs/xfs/xfs_clnt.h
@@ -106,5 +106,7 @@ struct xfs_mount_args {
#define XFSMNT_IHASHSIZE 0x20000000 /* inode hash table size */
#define XFSMNT_DIRSYNC 0x40000000 /* sync creat,link,unlink,rename
* symlink,mkdir,rmdir,mknod */
+#define XFSMNT_COMPAT_IOSIZE 0x80000000 /* don't report large preferred
+ * I/O size in stat() */
#endif /* __XFS_CLNT_H__ */