LU-11376 lov: new foreign LOV format

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

diff --git a/lustre/llite/file.c b/lustre/llite/file.c
index b5b09d9..8d2368b 100644 (file)
--- a/lustre/llite/file.c
+++ b/lustre/llite/file.c
@@ -1975,7 +1975,8 @@ int ll_lov_getstripe_ea_info(struct inode *inode, const char *filename,
 
        if (lmm->lmm_magic != cpu_to_le32(LOV_MAGIC_V1) &&
            lmm->lmm_magic != cpu_to_le32(LOV_MAGIC_V3) &&
-           lmm->lmm_magic != cpu_to_le32(LOV_MAGIC_COMP_V1))
+           lmm->lmm_magic != cpu_to_le32(LOV_MAGIC_COMP_V1) &&
+           lmm->lmm_magic != cpu_to_le32(LOV_MAGIC_FOREIGN))
                GOTO(out, rc = -EPROTO);
 
         /*
@@ -2014,6 +2015,15 @@ int ll_lov_getstripe_ea_info(struct inode *inode, const char *filename,
                           cpu_to_le32(LOV_MAGIC_COMP_V1)) {
                        lustre_swab_lov_comp_md_v1(
                                        (struct lov_comp_md_v1 *)lmm);
+               } else if (lmm->lmm_magic ==
+                          cpu_to_le32(LOV_MAGIC_FOREIGN)) {
+                       struct lov_foreign_md *lfm;
+
+                       lfm = (struct lov_foreign_md *)lmm;
+                       __swab32s(&lfm->lfm_magic);
+                       __swab32s(&lfm->lfm_length);
+                       __swab32s(&lfm->lfm_type);
+                       __swab32s(&lfm->lfm_flags);
                }
        }