LU-6215 llite: handle backing_dev_info removal

[fs/lustre-release.git] / lustre / llite / llite_lib.c

diff --git a/lustre/llite/llite_lib.c b/lustre/llite/llite_lib.c
index dbc4302..cb0718d 100644 (file)
--- a/lustre/llite/llite_lib.c
+++ b/lustre/llite/llite_lib.c
@@ -999,7 +999,11 @@ int ll_fill_super(struct super_block *sb, struct vfsmount *mnt)
        if (err)
                GOTO(out_free, err);
        lsi->lsi_flags |= LSI_BDI_INITIALIZED;
+#ifdef HAVE_BDI_CAP_MAP_COPY
        lsi->lsi_bdi.capabilities = BDI_CAP_MAP_COPY;
+#else
+       lsi->lsi_bdi.capabilities = 0;
+#endif
        err = ll_bdi_register(&lsi->lsi_bdi);
        if (err)
                GOTO(out_free, err);
@@ -1213,9 +1217,11 @@ static struct inode *ll_iget_anon_dir(struct super_block *sb,
                LTIME_S(inode->i_ctime) = 0;
                inode->i_rdev = 0;
 
+#ifdef HAVE_BACKING_DEV_INFO
                /* initializing backing dev info. */
                inode->i_mapping->backing_dev_info =
                                                &s2lsi(inode->i_sb)->lsi_bdi;
+#endif
                inode->i_op = &ll_dir_inode_operations;
                inode->i_fop = &ll_dir_operations;
                lli->lli_fid = *fid;
@@ -1972,10 +1978,10 @@ int ll_read_inode2(struct inode *inode, void *opaque)
 
         /* OIDEBUG(inode); */
 
-        /* initializing backing dev info. */
-        inode->i_mapping->backing_dev_info = &s2lsi(inode->i_sb)->lsi_bdi;
-
-
+#ifdef HAVE_BACKING_DEV_INFO
+       /* initializing backing dev info. */
+       inode->i_mapping->backing_dev_info = &s2lsi(inode->i_sb)->lsi_bdi;
+#endif
         if (S_ISREG(inode->i_mode)) {
                 struct ll_sb_info *sbi = ll_i2sbi(inode);
                 inode->i_op = &ll_file_inode_operations;