pnfs: force a layout commit when encountering busy segments during recall
Expedite layout recall processing by forcing a layout commit when
we see busy segments. Without it the layout recall might have to wait
until the VM decided to start writeback for the file, which can introduce
long delays.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 8827ab1..ce5d1ea 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -594,6 +594,9 @@
dprintk("%s freeing layout for inode %lu\n", __func__,
lo->plh_inode->i_ino);
inode = lo->plh_inode;
+
+ pnfs_layoutcommit_inode(inode, false);
+
spin_lock(&inode->i_lock);
list_del_init(&lo->plh_bulk_destroy);
lo->plh_block_lgets++; /* permanently block new LAYOUTGETs */
