LU-1934 ofd: implement precreate batching

[fs/lustre-release.git] / lustre / ofd / ofd_fs.c

diff --git a/lustre/ofd/ofd_fs.c b/lustre/ofd/ofd_fs.c
index 1828758..a21586d 100644 (file)
--- a/lustre/ofd/ofd_fs.c
+++ b/lustre/ofd/ofd_fs.c
@@ -68,6 +68,17 @@ int ofd_record_write(const struct lu_env *env, struct ofd_device *ofd,
        RETURN(rc);
 }
 
+int ofd_precreate_batch(struct ofd_device *ofd, int batch)
+{
+       int count;
+
+       cfs_spin_lock(&ofd->ofd_objid_lock);
+       count = min(ofd->ofd_precreate_batch, batch);
+       cfs_spin_unlock(&ofd->ofd_objid_lock);
+
+       return count;
+}
+
 obd_id ofd_last_id(struct ofd_device *ofd, obd_seq group)
 {
        obd_id id;
@@ -221,6 +232,7 @@ int ofd_groups_init(const struct lu_env *env, struct ofd_device *ofd)
        if (rc)
                GOTO(cleanup, rc);
 
+       ofd->ofd_precreate_batch = OFD_PRECREATE_BATCH_DEFAULT;
        groups_size = (unsigned long)info->fti_attr.la_size;
 
        if (groups_size == sizeof(last_group)) {