| Date | Sun, 09 Sep 2012 23:41:55 +0100 | From | Ben Hutchings <> | Subject | [ 05/95] fix page number calculation bug for block layout decode buffer |
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3.2-stable review patch. If anyone has any objections, please let me know.
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From: Jim Rees <rees@umich.edu>
commit 10bd295a0b6488ebe634b72a11d8986bd3af3819 upstream.
Signed-off-by: Jim Rees <rees@umich.edu> Suggested-by: Andy Adamson <andros@netapp.com> Suggested-by: Fred Isaman <iisaman@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> --- fs/nfs/blocklayout/blocklayout.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c index 9c94297..7f6a23f 100644 --- a/fs/nfs/blocklayout/blocklayout.c +++ b/fs/nfs/blocklayout/blocklayout.c @@ -38,6 +38,8 @@ #include <linux/buffer_head.h> /* various write calls */ #include <linux/prefetch.h> +#include "../pnfs.h" +#include "../internal.h" #include "blocklayout.h" #define NFSDBG_FACILITY NFSDBG_PNFS_LD @@ -868,7 +870,7 @@ nfs4_blk_get_deviceinfo(struct nfs_server *server, const struct nfs_fh *fh, * GETDEVICEINFO's maxcount */ max_resp_sz = server->nfs_client->cl_session->fc_attrs.max_resp_sz; - max_pages = max_resp_sz >> PAGE_SHIFT; + max_pages = nfs_page_array_len(0, max_resp_sz); dprintk("%s max_resp_sz %u max_pages %d\n", __func__, max_resp_sz, max_pages);
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