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[Xen-devel] [PATCH v3 24/41] orangefs: convert put_page() to put_user_page*()



From: John Hubbard <jhubbard@xxxxxxxxxx>

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: Mike Marshall <hubcap@xxxxxxxxxxxx>
Cc: Martin Brandenburg <martin@xxxxxxxxxxxx>
Cc: devel@xxxxxxxxxxxxxxxxxx
Signed-off-by: John Hubbard <jhubbard@xxxxxxxxxx>
---
 fs/orangefs/orangefs-bufmap.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/fs/orangefs/orangefs-bufmap.c b/fs/orangefs/orangefs-bufmap.c
index 2bb916d68576..f2f33a16d604 100644
--- a/fs/orangefs/orangefs-bufmap.c
+++ b/fs/orangefs/orangefs-bufmap.c
@@ -168,10 +168,7 @@ static DEFINE_SPINLOCK(orangefs_bufmap_lock);
 static void
 orangefs_bufmap_unmap(struct orangefs_bufmap *bufmap)
 {
-       int i;
-
-       for (i = 0; i < bufmap->page_count; i++)
-               put_page(bufmap->page_array[i]);
+       put_user_pages(bufmap->page_array, bufmap->page_count);
 }
 
 static void
@@ -280,7 +277,7 @@ orangefs_bufmap_map(struct orangefs_bufmap *bufmap,
 
                for (i = 0; i < ret; i++) {
                        SetPageError(bufmap->page_array[i]);
-                       put_page(bufmap->page_array[i]);
+                       put_user_page(bufmap->page_array[i]);
                }
                return -ENOMEM;
        }
-- 
2.22.0


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