Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755248AbZJUTVY (ORCPT ); Wed, 21 Oct 2009 15:21:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755208AbZJUTVW (ORCPT ); Wed, 21 Oct 2009 15:21:22 -0400 Received: from mx1.redhat.com ([209.132.183.28]:53467 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755156AbZJUTVQ (ORCPT ); Wed, 21 Oct 2009 15:21:16 -0400 From: Valerie Aurora To: Jan Blunck , Alexander Viro , Christoph Hellwig , Andy Whitcroft , Scott James Remnant , Sandu Popa Marius , Jan Rekorajski , "J. R. Okajima" , Arnd Bergmann , Vladimir Dronnikov , Felix Fietkau Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 30/41] fallthru: Basic fallthru definitions Date: Wed, 21 Oct 2009 12:19:28 -0700 Message-Id: <1256152779-10054-31-git-send-email-vaurora@redhat.com> In-Reply-To: <1256152779-10054-30-git-send-email-vaurora@redhat.com> References: <1256152779-10054-1-git-send-email-vaurora@redhat.com> <1256152779-10054-2-git-send-email-vaurora@redhat.com> <1256152779-10054-3-git-send-email-vaurora@redhat.com> <1256152779-10054-4-git-send-email-vaurora@redhat.com> <1256152779-10054-5-git-send-email-vaurora@redhat.com> <1256152779-10054-6-git-send-email-vaurora@redhat.com> <1256152779-10054-7-git-send-email-vaurora@redhat.com> <1256152779-10054-8-git-send-email-vaurora@redhat.com> <1256152779-10054-9-git-send-email-vaurora@redhat.com> <1256152779-10054-10-git-send-email-vaurora@redhat.com> <1256152779-10054-11-git-send-email-vaurora@redhat.com> <1256152779-10054-12-git-send-email-vaurora@redhat.com> <1256152779-10054-13-git-send-email-vaurora@redhat.com> <1256152779-10054-14-git-send-email-vaurora@redhat.com> <1256152779-10054-15-git-send-email-vaurora@redhat.com> <1256152779-10054-16-git-send-email-vaurora@redhat.com> <1256152779-10054-17-git-send-email-vaurora@redhat.com> <1256152779-10054-18-git-send-email-vaurora@redhat.com> <1256152779-10054-19-git-send-email-vaurora@redhat.com> <1256152779-10054-20-git-send-email-vaurora@redhat.com> <1256152779-10054-21-git-send-email-vaurora@redhat.com> <1256152779-10054-22-git-send-email-vaurora@redhat.com> <1256152779-10054-23-git-send-email-vaurora@redhat.com> <1256152779-10054-24-git-send-email-vaurora@redhat.com> <1256152779-10054-25-git-send-email-vaurora@redhat.com> <1256152779-10054-26-git-send-email-vaurora@redhat.com> <1256152779-10054-27-git-send-email-vaurora@redhat.com> <1256152779-10054-28-git-send-email-vaurora@redhat.com> <1256152779-10054-29-git-send-email-vaurora@redhat.com> <1256152779-10054-30-git-send-email-vaurora@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1896 Lines: 52 Define the fallthru dcache flag and file system op. Signed-off-by: Valerie Aurora --- include/linux/dcache.h | 6 ++++++ include/linux/fs.h | 1 + 2 files changed, 7 insertions(+), 0 deletions(-) diff --git a/include/linux/dcache.h b/include/linux/dcache.h index 730c432..a55f79f 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -193,6 +193,7 @@ d_iput: no no no yes #define DCACHE_COOKIE 0x0040 /* For use by dcookie subsystem */ #define DCACHE_WHITEOUT 0x0080 /* This negative dentry is a whiteout */ +#define DCACHE_FALLTHRU 0x0100 /* Keep looking in the file system below */ #define DCACHE_FSNOTIFY_PARENT_WATCHED 0x0080 /* Parent inode is watched by some fsnotify listener */ @@ -381,6 +382,11 @@ static inline int d_is_whiteout(struct dentry *dentry) return (dentry->d_flags & DCACHE_WHITEOUT); } +static inline int d_is_fallthru(struct dentry *dentry) +{ + return (dentry->d_flags & DCACHE_FALLTHRU); +} + static inline struct dentry *dget_parent(struct dentry *dentry) { struct dentry *ret; diff --git a/include/linux/fs.h b/include/linux/fs.h index efea78c..57690ab 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1532,6 +1532,7 @@ struct inode_operations { int (*rmdir) (struct inode *,struct dentry *); int (*mknod) (struct inode *,struct dentry *,int,dev_t); int (*whiteout) (struct inode *, struct dentry *, struct dentry *); + int (*fallthru) (struct inode *, struct dentry *); int (*rename) (struct inode *, struct dentry *, struct inode *, struct dentry *); int (*readlink) (struct dentry *, char __user *,int); -- 1.6.3.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/