/* The lsi has one reference for every server that is using the disk -
* e.g. MDT, MGS, and potentially MGC
*/
static int lustre_put_lsi(struct super_block *sb)
{
struct lustre_sb_info *lsi = s2lsi(sb);
CDEBUG(D_MOUNT, "put %p %d\n", sb, atomic_read(&lsi->lsi_mounts));
if (atomic_dec_and_test(&lsi->lsi_mounts)) {
lustre_free_lsi(sb);
return 1;
}
return 0;
}
/* The lsi has one reference for every server that is using the disk -
e.g. MDT, MGS, and potentially MGC */
int lustre_put_lsi(struct super_block *sb)
{
struct lustre_sb_info *lsi = s2lsi(sb);
LASSERT(lsi != NULL);
CDEBUG(D_MOUNT, "put %p %d\n", sb, atomic_read(&lsi->lsi_mounts));
if (atomic_dec_and_test(&lsi->lsi_mounts)) {
if (IS_SERVER(lsi) && lsi->lsi_osd_exp) {
lu_device_put(&lsi->lsi_dt_dev->dd_lu_dev);
lsi->lsi_osd_exp->exp_obd->obd_lvfs_ctxt.dt = NULL;
lsi->lsi_dt_dev = NULL;
obd_disconnect(lsi->lsi_osd_exp);
/* wait till OSD is gone */
obd_zombie_barrier();
}
lustre_free_lsi(sb);
return 1;
}
return 0;
}