NFSv4/pnfs: Reset the layout state after a layoutreturn

If there are still layout segments in the layout plh_return_lsegs list
after a layout return, we should be resetting the state to ensure they
eventually get returned as well.

Fixes: 68f744797edd ("pNFS: Do not free layout segments that are marked for return")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 10fdd065a61c23dc1df8803c2539c8e7b00fc897..fc7c5fb101980614b9b94609d8f0b88dfbdb6799 100644 (file)
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -745,6 +745,14 @@ pnfs_mark_matching_lsegs_invalid(struct pnfs_layout_hdr *lo,
        return remaining;
 }
 
+static void pnfs_reset_return_info(struct pnfs_layout_hdr *lo)
+{
+       struct pnfs_layout_segment *lseg;
+
+       list_for_each_entry(lseg, &lo->plh_return_segs, pls_list)
+               pnfs_set_plh_return_info(lo, lseg->pls_range.iomode, 0);
+}
+
 static void
 pnfs_free_returned_lsegs(struct pnfs_layout_hdr *lo,
                struct list_head *free_me,
@@ -1292,6 +1300,7 @@ void pnfs_layoutreturn_free_lsegs(struct pnfs_layout_hdr *lo,
                pnfs_mark_matching_lsegs_invalid(lo, &freeme, range, seq);
                pnfs_free_returned_lsegs(lo, &freeme, range, seq);
                pnfs_set_layout_stateid(lo, stateid, NULL, true);
+               pnfs_reset_return_info(lo);
        } else
                pnfs_mark_layout_stateid_invalid(lo, &freeme);
 out_unlock: