LU-10560 osd: bio_integrity_enabled was removed

[fs/lustre-release.git] / lustre / osd-ldiskfs / osd_compat.c

diff --git a/lustre/osd-ldiskfs/osd_compat.c b/lustre/osd-ldiskfs/osd_compat.c
index b7e6872..0e0e53d 100644 (file)
--- a/lustre/osd-ldiskfs/osd_compat.c
+++ b/lustre/osd-ldiskfs/osd_compat.c
@@ -1371,3 +1371,37 @@ int osd_obj_spec_lookup(struct osd_thread_info *info, struct osd_device *osd,
 
        RETURN(rc);
 }
+
+#ifndef HAVE_BIO_INTEGRITY_ENABLED
+bool bio_integrity_enabled(struct bio *bio)
+{
+# ifdef HAVE_BI_BDEV
+       struct blk_integrity *bi = bdev_get_integrity(bio->bi_bdev);
+# else
+       struct blk_integrity *bi = blk_get_integrity(bio->bi_disk);
+# endif
+
+       if (bio_op(bio) != REQ_OP_READ && bio_op(bio) != REQ_OP_WRITE)
+               return false;
+
+       if (!bio_sectors(bio))
+               return false;
+
+        /* Already protected? */
+       if (bio_integrity(bio))
+               return false;
+
+       if (bi == NULL)
+               return false;
+
+       if (bio_data_dir(bio) == READ && bi->profile->verify_fn != NULL &&
+           (bi->flags & BLK_INTEGRITY_VERIFY))
+               return true;
+
+       if (bio_data_dir(bio) == WRITE && bi->profile->generate_fn != NULL &&
+           (bi->flags & BLK_INTEGRITY_GENERATE))
+               return true;
+
+       return false;
+}
+#endif