[PATCH 36/38] union-mount: Implement union-aware utimensat()

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From: Valerie Aurora
Date: Tuesday, June 15, 2010 - 11:40 am

---
 fs/utimes.c |   14 ++++++++++++--
 1 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/fs/utimes.c b/fs/utimes.c
index e4c75db..e83b6bd 100644
--- a/fs/utimes.c
+++ b/fs/utimes.c
@@ -8,8 +8,10 @@
 #include <linux/stat.h>
 #include <linux/utime.h>
 #include <linux/syscalls.h>
+#include <linux/slab.h>
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
+#include "union.h"
 
 #ifdef __ARCH_WANT_SYS_UTIME
 
@@ -152,18 +154,26 @@ long do_utimes(int dfd, char __user *filename, struct timespec *times, int flags
 		error = utimes_common(&file->f_path, times);
 		fput(file);
 	} else {
+		struct nameidata nd;
+		char *tmp;
 		struct path path;
 		int lookup_flags = 0;
 
 		if (!(flags & AT_SYMLINK_NOFOLLOW))
 			lookup_flags |= LOOKUP_FOLLOW;
 
-		error = user_path_at(dfd, filename, lookup_flags, &path);
+		error = user_path_nd(dfd, filename, lookup_flags, &nd, &path,
+				     &tmp);
 		if (error)
 			goto out;
 
-		error = utimes_common(&path, times);
+		error = union_copyup(&nd, &path);
+
+		if (!error)
+			error = utimes_common(&path, times);
 		path_put(&path);
+		path_put(&nd.path);
+		putname(tmp);
 	}
 
 out:
-- 
1.6.3.3

--
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Messages in current thread:
[PATCH 00/38] Union mounts - union stack as linked list, Valerie Aurora, (Tue Jun 15, 11:39 am)
[PATCH 01/38] VFS: Comment follow_mount() and friends, Valerie Aurora, (Tue Jun 15, 11:39 am)
[PATCH 02/38] VFS: Make lookup_hash() return a struct path, Valerie Aurora, (Tue Jun 15, 11:39 am)
[PATCH 03/38] VFS: Add read-only users count to superblock, Valerie Aurora, (Tue Jun 15, 11:39 am)
[PATCH 09/38] whiteout: tmpfs whiteout support, Valerie Aurora, (Tue Jun 15, 11:39 am)
[PATCH 11/38] whiteout: ext2 whiteout support, Valerie Aurora, (Tue Jun 15, 11:39 am)
[PATCH 12/38] whiteout: jffs2 whiteout support, Valerie Aurora, (Tue Jun 15, 11:39 am)
[PATCH 14/38] fallthru: ext2 fallthru support, Valerie Aurora, (Tue Jun 15, 11:39 am)
[PATCH 16/38] fallthru: tmpfs fallthru support, Valerie Aurora, (Tue Jun 15, 11:39 am)
[PATCH 17/38] union-mount: Union mounts documentation, Valerie Aurora, (Tue Jun 15, 11:39 am)
[PATCH 22/38] union-mount: Implement union lookup, Valerie Aurora, (Tue Jun 15, 11:39 am)
[PATCH 27/38] union-mount: In-kernel file copyup routines, Valerie Aurora, (Tue Jun 15, 11:39 am)
[PATCH 29/38] union-mount: Implement union-aware link(), Valerie Aurora, (Tue Jun 15, 11:39 am)
[PATCH 30/38] union-mount: Implement union-aware rename(), Valerie Aurora, (Tue Jun 15, 11:40 am)
[PATCH 32/38] union-mount: Implement union-aware chown(), Valerie Aurora, (Tue Jun 15, 11:40 am)
[PATCH 33/38] union-mount: Implement union-aware truncate(), Valerie Aurora, (Tue Jun 15, 11:40 am)
[PATCH 35/38] union-mount: Implement union-aware lchown(), Valerie Aurora, (Tue Jun 15, 11:40 am)
[PATCH 36/38] union-mount: Implement union-aware utimensat(), Valerie Aurora, (Tue Jun 15, 11:40 am)
[PATCH 37/38] union-mount: Implement union-aware setxattr(), Valerie Aurora, (Tue Jun 15, 11:40 am)
[PATCH 38/38] union-mount: Implement union-aware lsetxattr(), Valerie Aurora, (Tue Jun 15, 11:40 am)
Re: [PATCH 17/38] union-mount: Union mounts documentation, Valerie Aurora, (Thu Jun 17, 11:39 am)
Re: [PATCH 17/38] union-mount: Union mounts documentation, Valerie Aurora, (Fri Jun 18, 2:06 pm)
Re: [PATCH 17/38] union-mount: Union mounts documentation, Miklos Szeredi, (Mon Jun 21, 6:14 am)
Re: [PATCH 17/38] union-mount: Union mounts documentation, Valerie Aurora, (Mon Jun 21, 4:17 pm)
Re: [PATCH 11/38] whiteout: ext2 whiteout support, Ian Kent, (Mon Jul 12, 9:24 pm)
Re: [PATCH 14/38] fallthru: ext2 fallthru support, Ian Kent, (Mon Jul 12, 9:30 pm)
Re: [PATCH 22/38] union-mount: Implement union lookup, Valerie Aurora, (Mon Jul 19, 2:58 pm)
Re: [PATCH 14/38] fallthru: ext2 fallthru support, Miklos Szeredi, (Wed Aug 4, 7:44 am)
Re: [PATCH 14/38] fallthru: ext2 fallthru support, Valerie Aurora, (Wed Aug 4, 3:48 pm)
Re: [PATCH 14/38] fallthru: ext2 fallthru support, Miklos Szeredi, (Thu Aug 5, 3:36 am)
Re: [PATCH 14/38] fallthru: ext2 fallthru support, Miklos Szeredi, (Thu Aug 5, 4:13 am)
Re: [PATCH 14/38] fallthru: ext2 fallthru support, Valerie Aurora, (Thu Aug 5, 4:30 pm)
Re: [PATCH 14/38] fallthru: ext2 fallthru support, Valerie Aurora, (Fri Aug 6, 10:12 am)
Re: [PATCH 14/38] fallthru: ext2 fallthru support, Valerie Aurora, (Fri Aug 6, 10:16 am)
Re: [PATCH 14/38] fallthru: ext2 fallthru support, Miklos Szeredi, (Fri Aug 6, 10:44 am)
Re: [PATCH 14/38] fallthru: ext2 fallthru support, Valerie Aurora, (Tue Aug 17, 3:27 pm)
Re: [PATCH 14/38] fallthru: ext2 fallthru support, Miklos Szeredi, (Wed Aug 18, 1:26 am)