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-rw-r--r--fs/ocfs2/ocfs2_fs.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h
index 67bb8a77e86..b01d0dddfcc 100644
--- a/fs/ocfs2/ocfs2_fs.h
+++ b/fs/ocfs2/ocfs2_fs.h
@@ -1574,5 +1574,19 @@ static inline void ocfs2_set_de_type(struct ocfs2_dir_entry *de,
de->file_type = ocfs2_type_by_mode[(mode & S_IFMT)>>S_SHIFT];
}
+static inline int ocfs2_gd_is_discontig(struct ocfs2_group_desc *gd)
+{
+ if ((offsetof(struct ocfs2_group_desc, bg_bitmap) +
+ le16_to_cpu(gd->bg_size)) !=
+ offsetof(struct ocfs2_group_desc, bg_list))
+ return 0;
+ /*
+ * Only valid to check l_next_free_rec if
+ * bg_bitmap + bg_size == bg_list.
+ */
+ if (!gd->bg_list.l_next_free_rec)
+ return 0;
+ return 1;
+}
#endif /* _OCFS2_FS_H */