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fix page number calculation bug for block layout decode buffer

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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>
This commit is contained in:
Jim Rees 2012-04-09 22:33:39 -04:00 committed by Trond Myklebust
parent e5265a0c58
commit 10bd295a0b
1 changed files with 3 additions and 1 deletions
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4
fs/nfs/blocklayout/blocklayout.c
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@ -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);