From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jared Hulbert Subject: [PATCH 01/10] AXFS: exporting xip_file_fault() for use with AXFS Date: Wed, 20 Aug 2008 22:44:53 -0700 Message-ID: <48AD00D5.5010904@gmail.com> Reply-To: jaredeh@gmail.com Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:reply-to :user-agent:mime-version:to:subject:content-type :content-transfer-encoding; bh=nev/Wve9Uin2pFm8xbbCcIk2HCvsCvDj6VNStkG79yM=; b=VDEXRD0PqK/ltjtKl/QwMaCSJ5+rNYYAAdg3ImYhwvBk8JWkIuVrHe68LzOi9qLbQU J0mdBOhSm6lFFb/7F2nYkzbs9YdC4YG+9k96uJnj3gJqnXzZMy/LV1Z4IC7QykryuMQD jJKKPXQCXZPobV95Tr6DOaq60XhQv4dUN2HUQ= Sender: linux-embedded-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" To: Linux-kernel@vger.kernel.org, linux-embedded@vger.kernel.org, linux-mtd , =?ISO-8859-1?Q?J=F6rn_Engel?= , tim.bird@AM.SONY.COM, cotte@d We'll need this for AXFS. The equivalent function in filemap.c is exported. Signed-off-by: Jared Hulbert --- include/linux/mm.h | 4 ++++ mm/filemap_xip.c | 3 ++- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index 72a15dc..2be5c22 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -161,6 +161,10 @@ struct vm_fault { */ }; +#ifdef CONFIG_FS_XIP +extern int xip_file_fault(struct vm_area_struct *vma, struct vm_fault *vmf); +#endif + /* * These are the virtual MM functions - opening of an area, closing and * unmapping it (needed to keep files on disk up-to-date etc), pointer diff --git a/mm/filemap_xip.c b/mm/filemap_xip.c index 380ab40..ab2f174 100644 --- a/mm/filemap_xip.c +++ b/mm/filemap_xip.c @@ -206,7 +206,7 @@ __xip_unmap (struct address_space * mapping, * * This function is derived from filemap_fault, but used for execute in place */ -static int xip_file_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +int xip_file_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { struct file *file = vma->vm_file; struct address_space *mapping = file->f_mapping; @@ -262,6 +262,7 @@ found: return 0; } } +EXPORT_SYMBOL_GPL(xip_file_fault); static struct vm_operations_struct xip_file_vm_ops = { .fault = xip_file_fault,