[5/9] pnfs: return bool status from nfs4_asynch_forget_layouts

Commit Message

Benny Halevy Feb. 21, 2011, 10:30 p.m. UTC

None

Patch

diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index beebc85..7507054 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -475,7 +475,7 @@  pnfs_clear_lseg_list(struct pnfs_layout_hdr *lo, struct list_head *tmp_list,
 			mark_lseg_invalid(lseg, tmp_list);
 			rv = true;
 		}
-	dprintk("%s:Return\n", __func__);
+	dprintk("%s:Return %d\n", __func__, rv);
 	return rv;
 }
 
@@ -640,20 +640,26 @@  send_layoutget(struct pnfs_layout_hdr *lo,
 	return lseg;
 }
 
-void nfs4_asynch_forget_layouts(struct pnfs_layout_hdr *lo,
+bool nfs4_asynch_forget_layouts(struct pnfs_layout_hdr *lo,
 				struct pnfs_layout_range *range,
 				int notify_bit, atomic_t *notify_count,
 				struct list_head *tmp_list)
 {
+	bool rv = false;
 	struct pnfs_layout_segment *lseg, *tmp;
 
 	assert_spin_locked(&lo->inode->i_lock);
+	dprintk("%s\n", __func__);
 	list_for_each_entry_safe(lseg, tmp, &lo->segs, fi_list)
 		if (should_free_lseg(&lseg->range, range)) {
 			lseg->pls_notify_mask |= (1 << notify_bit);
 			atomic_inc(notify_count);
 			mark_lseg_invalid(lseg, tmp_list);
+			rv = true;
 		}
+
+	dprintk("%s:Return %d\n", __func__, rv);
+	return rv;
 }
 
 /* Return true if there is layout based io in progress in the given range.
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 1ee59c2..11c6ee4 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -298,7 +298,7 @@  void pnfs_set_layout_stateid(struct pnfs_layout_hdr *lo,
 int pnfs_choose_layoutget_stateid(nfs4_stateid *dst,
 				  struct pnfs_layout_hdr *lo,
 				  struct nfs4_state *open_state);
-void nfs4_asynch_forget_layouts(struct pnfs_layout_hdr *lo,
+bool nfs4_asynch_forget_layouts(struct pnfs_layout_hdr *lo,
 				struct pnfs_layout_range *range,
 				int notify_bit, atomic_t *notify_count,
 				struct list_head *tmp_list);