From 53b8ee346463946f88b3e1639d688c384df1166c Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Tue, 22 May 2012 16:36:27 -0400 Subject: [PATCH] NFSv4.1: Fix a bad reference count issue in the pNFS commit code filelayout_scan_commit_lists needs to bump the reference count on the struct nfs_page just like nfs_scan_commit_list(). Reported-by: Andy Adamson Signed-off-by: Trond Myklebust --- fs/nfs/nfs4filelayout.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c index 474c6305afd9..33849d3bc885 100644 --- a/fs/nfs/nfs4filelayout.c +++ b/fs/nfs/nfs4filelayout.c @@ -1106,6 +1106,7 @@ transfer_commit_list(struct list_head *src, struct list_head *dst, list_for_each_entry_safe(req, tmp, src, wb_list) { if (!nfs_lock_request(req)) continue; + kref_get(&req->wb_kref); if (cond_resched_lock(cinfo->lock)) list_safe_reset_next(req, tmp, wb_list); nfs_request_remove_commit_list(req, cinfo);