From 17089a29a25a3bfe8d14520cd866b7d635ffe5ba Mon Sep 17 00:00:00 2001 From: Weston Andros Adamson Date: Fri, 11 Jul 2014 10:20:45 -0400 Subject: nfs: mark nfs_page reqs with flag for extra ref Change the use of PG_INODE_REF - set it when taking extra reference on subrequests and take care to only release once for each request. Signed-off-by: Weston Andros Adamson Signed-off-by: Trond Myklebust --- fs/nfs/pagelist.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'fs/nfs/pagelist.c') diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c index b6ee3a6ee96d..7368b2130a41 100644 --- a/fs/nfs/pagelist.c +++ b/fs/nfs/pagelist.c @@ -251,8 +251,10 @@ nfs_page_group_init(struct nfs_page *req, struct nfs_page *prev) /* grab extra ref if head request has extra ref from * the write/commit path to handle handoff between write * and commit lists */ - if (test_bit(PG_INODE_REF, &prev->wb_head->wb_flags)) + if (test_bit(PG_INODE_REF, &prev->wb_head->wb_flags)) { + set_bit(PG_INODE_REF, &req->wb_flags); kref_get(&req->wb_kref); + } } } -- cgit v1.2.3