From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f48.google.com (mail-pa0-f48.google.com [209.85.220.48]) by kanga.kvack.org (Postfix) with ESMTP id 917C16B006C for ; Fri, 26 Jun 2015 05:57:46 -0400 (EDT) Received: by pactm7 with SMTP id tm7so66142738pac.2 for ; Fri, 26 Jun 2015 02:57:46 -0700 (PDT) Received: from lgeamrelo01.lge.com (lgeamrelo01.lge.com. [156.147.1.125]) by mx.google.com with ESMTP id nk17si49732446pdb.116.2015.06.26.02.57.44 for ; Fri, 26 Jun 2015 02:57:45 -0700 (PDT) From: Gioh Kim Subject: [RFCv2 2/5] fs/anon_inodes: get a new inode Date: Fri, 26 Jun 2015 18:58:27 +0900 Message-Id: <1435312710-15108-3-git-send-email-gioh.kim@lge.com> In-Reply-To: <1435312710-15108-1-git-send-email-gioh.kim@lge.com> References: <1435312710-15108-1-git-send-email-gioh.kim@lge.com> Sender: owner-linux-mm@kvack.org List-ID: To: jlayton@poochiereds.net, bfields@fieldses.org, vbabka@suse.cz, iamjoonsoo.kim@lge.com, viro@zeniv.linux.org.uk, mst@redhat.com, koct9i@gmail.com, minchan@kernel.org, aquini@redhat.com, linux-fsdevel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, linux-mm@kvack.org Cc: akpm@linux-foundation.org, Gioh Kim A inode is necessary for some drivers that needs special address_space and address_space_operation for page migration. Each drivers can create inode with the anon_inodefs. Signed-off-by: Gioh Kim --- fs/anon_inodes.c | 6 ++++++ include/linux/anon_inodes.h | 1 + 2 files changed, 7 insertions(+) diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c index 80ef38c..1d51f96 100644 --- a/fs/anon_inodes.c +++ b/fs/anon_inodes.c @@ -162,6 +162,12 @@ err_put_unused_fd: } EXPORT_SYMBOL_GPL(anon_inode_getfd); +struct inode *anon_inode_new(void) +{ + return alloc_anon_inode(anon_inode_mnt->mnt_sb); +} +EXPORT_SYMBOL_GPL(anon_inode_new); + static int __init anon_inode_init(void) { anon_inode_mnt = kern_mount(&anon_inode_fs_type); diff --git a/include/linux/anon_inodes.h b/include/linux/anon_inodes.h index 8013a45..ddbd67f 100644 --- a/include/linux/anon_inodes.h +++ b/include/linux/anon_inodes.h @@ -15,6 +15,7 @@ struct file *anon_inode_getfile(const char *name, void *priv, int flags); int anon_inode_getfd(const char *name, const struct file_operations *fops, void *priv, int flags); +struct inode *anon_inode_new(void); #endif /* _LINUX_ANON_INODES_H */ -- 1.9.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org