From: OGAWA Hirofumi Date: Wed, 15 Oct 2008 22:50:29 +0000 (+0900) Subject: [PATCH vfs-2.6 6/6] vfs: add LOOKUP_RENAME_TARGET intent X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4e9ed2f85af7adfa7c3f0efa839a53186254fdcb;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git [PATCH vfs-2.6 6/6] vfs: add LOOKUP_RENAME_TARGET intent This adds LOOKUP_RENAME_TARGET intent for lookup of rename destination. LOOKUP_RENAME_TARGET is going to be used like LOOKUP_CREATE. But since the destination of rename() can be existing directory entry, so it has a difference. Although that difference doesn't matter in my usage, this tells it to user of this intent. Signed-off-by: OGAWA Hirofumi --- diff --git a/fs/namei.c b/fs/namei.c index 18894fdf048a..9e2a534383d9 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -2654,6 +2654,7 @@ asmlinkage long sys_renameat(int olddfd, const char __user *oldname, oldnd.flags &= ~LOOKUP_PARENT; newnd.flags &= ~LOOKUP_PARENT; + newnd.flags |= LOOKUP_RENAME_TARGET; trap = lock_rename(new_dir, old_dir); diff --git a/include/linux/namei.h b/include/linux/namei.h index 6b5627afd2eb..99eb80306dc5 100644 --- a/include/linux/namei.h +++ b/include/linux/namei.h @@ -54,6 +54,7 @@ enum {LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT, LAST_BIND}; #define LOOKUP_OPEN 0x0100 #define LOOKUP_CREATE 0x0200 #define LOOKUP_EXCL 0x0400 +#define LOOKUP_RENAME_TARGET 0x0800 extern int user_path_at(int, const char __user *, unsigned, struct path *);