Return-Path: linux-nfs-owner@vger.kernel.org Received: from mail-vx0-f174.google.com ([209.85.220.174]:35515 "EHLO mail-vx0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755950Ab1K2QJw (ORCPT ); Tue, 29 Nov 2011 11:09:52 -0500 Received: by vcbfk14 with SMTP id fk14so4761243vcb.19 for ; Tue, 29 Nov 2011 08:09:51 -0800 (PST) From: Peng Tao To: Trond.Myklebust@netapp.com Cc: linux-nfs@vger.kernel.org, bhalevy@tonian.com, Peng Tao Subject: [PATCH 1/4] nfsv41: export pnfs_find_alloc_layout Date: Fri, 2 Dec 2011 20:52:42 -0800 Message-Id: <1322887965-2938-2-git-send-email-bergwolf@gmail.com> In-Reply-To: <1322887965-2938-1-git-send-email-bergwolf@gmail.com> References: <1322887965-2938-1-git-send-email-bergwolf@gmail.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: So that layout driver can access layout header when there is none. Signed-off-by: Peng Tao --- fs/nfs/pnfs.c | 3 ++- fs/nfs/pnfs.h | 4 ++++ 2 files changed, 6 insertions(+), 1 deletions(-) diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index baf7353..3be29c7 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -848,7 +848,7 @@ alloc_init_layout_hdr(struct inode *ino, return lo; } -static struct pnfs_layout_hdr * +struct pnfs_layout_hdr * pnfs_find_alloc_layout(struct inode *ino, struct nfs_open_context *ctx, gfp_t gfp_flags) @@ -875,6 +875,7 @@ pnfs_find_alloc_layout(struct inode *ino, pnfs_free_layout_hdr(new); return nfsi->layout; } +EXPORT_SYMBOL_GPL(pnfs_find_alloc_layout); /* * iomode matching rules: diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h index 1509530..9614ac9 100644 --- a/fs/nfs/pnfs.h +++ b/fs/nfs/pnfs.h @@ -209,6 +209,10 @@ struct pnfs_layout_segment *pnfs_update_layout(struct inode *ino, u64 count, enum pnfs_iomode iomode, gfp_t gfp_flags); +struct pnfs_layout_hdr * +pnfs_find_alloc_layout(struct inode *ino, + struct nfs_open_context *ctx, + gfp_t gfp_flags); void nfs4_deviceid_mark_client_invalid(struct nfs_client *clp); -- 1.7.1.262.g5ef3d