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| author |   Christoph Hellwig <hch@lst.de> | 2019-05-01 16:40:32 -0400 |
|---|---|---|
| committer |   Ilya Dryomov <idryomov@gmail.com> | 2019-07-08 14:01:40 +0200 |
| commit | 97a385e558292ba0851906783642239865670a5f (patch) | |
| tree | bb736335b7c5e39f975a213d2ce0413f4fb28138 /net/ceph | |
| parent | Linux 5.2 (diff) | |
| download | linux-dev-97a385e558292ba0851906783642239865670a5f.tar.xz linux-dev-97a385e558292ba0851906783642239865670a5f.zip | |
libceph: remove ceph_get_direct_page_vector()
This function is entirely unused.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'net/ceph')
| -rw-r--r-- | net/ceph/pagevec.c | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/net/ceph/pagevec.c b/net/ceph/pagevec.c index 74cafc0142ea..64305e7056a1 100644 --- a/net/ceph/pagevec.c +++ b/net/ceph/pagevec.c @@ -10,39 +10,6 @@ #include <linux/ceph/libceph.h> -/* - * build a vector of user pages - */ -struct page **ceph_get_direct_page_vector(const void __user *data, - int num_pages, bool write_page) -{ - struct page **pages; - int got = 0; - int rc = 0; - - pages = kmalloc_array(num_pages, sizeof(*pages), GFP_NOFS); - if (!pages) - return ERR_PTR(-ENOMEM); - - while (got < num_pages) { - rc = get_user_pages_fast( - (unsigned long)data + ((unsigned long)got * PAGE_SIZE), - num_pages - got, write_page ? FOLL_WRITE : 0, pages + got); - if (rc < 0) - break; - BUG_ON(rc == 0); - got += rc; - } - if (rc < 0) - goto fail; - return pages; - -fail: - ceph_put_page_vector(pages, got, false); - return ERR_PTR(rc); -} -EXPORT_SYMBOL(ceph_get_direct_page_vector); - void ceph_put_page_vector(struct page **pages, int num_pages, bool dirty) { int i; |