From e7029206ff43f6cf7d6fcb741adb126f47200516 Mon Sep 17 00:00:00 2001 From: Weston Andros Adamson Date: Thu, 17 Jul 2014 20:42:15 -0400 Subject: nfs: check wait_on_bit_lock err in page_group_lock Return errors from wait_on_bit_lock from nfs_page_group_lock. Add a bool argument @wait to nfs_page_group_lock. If true, loop over wait_on_bit_lock until it returns cleanly. If false, return the error from wait_on_bit_lock. Signed-off-by: Weston Andros Adamson Signed-off-by: Trond Myklebust --- fs/nfs/write.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'fs/nfs/write.c') diff --git a/fs/nfs/write.c b/fs/nfs/write.c index d357728ed8ba..8d1ed2b9c16c 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -216,7 +216,7 @@ static bool nfs_page_group_covers_page(struct nfs_page *req) unsigned int pos = 0; unsigned int len = nfs_page_length(req->wb_page); - nfs_page_group_lock(req); + nfs_page_group_lock(req, true); do { tmp = nfs_page_group_search_locked(req->wb_head, pos); @@ -456,7 +456,9 @@ try_again: } /* lock each request in the page group */ - nfs_page_group_lock(head); + ret = nfs_page_group_lock(head, false); + if (ret < 0) + return ERR_PTR(ret); subreq = head; do { /* -- cgit v1.2.3