[PATCH 31/34] nfs: convert put_page() to put_user_page*()

john.hubbard at gmail.com john.hubbard at gmail.com
Fri Aug 2 02:20:02 UTC 2019


From: John Hubbard <jhubbard at nvidia.com>

For pages that were retained via get_user_pages*(), release those pages
via the new put_user_page*() routines, instead of via put_page() or
release_pages().

This is part a tree-wide conversion, as described in commit fc1d8e7cca2d
("mm: introduce put_user_page*(), placeholder versions").

Cc: Trond Myklebust <trond.myklebust at hammerspace.com>
Cc: Anna Schumaker <anna.schumaker at netapp.com>
Cc: linux-nfs at vger.kernel.org
Signed-off-by: John Hubbard <jhubbard at nvidia.com>
---
 fs/nfs/direct.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 0cb442406168..b00b89dda3c5 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -278,9 +278,7 @@ ssize_t nfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
 
 static void nfs_direct_release_pages(struct page **pages, unsigned int npages)
 {
-	unsigned int i;
-	for (i = 0; i < npages; i++)
-		put_page(pages[i]);
+	put_user_pages(pages, npages);
 }
 
 void nfs_init_cinfo_from_dreq(struct nfs_commit_info *cinfo,
-- 
2.22.0



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