orangefs: stop setting atime on inode dirty

The previous code path was to mark the inode dirty, let
orangefs_inode_dirty set a flag in our private inode, then later during
inode release call orangefs_flush_inode which notices the flag and
writes the atime out.

The code path worked almost identically for mtime, ctime, and mode
except that those flags are set explicitly and not as side effects of
dirty.

Now orangefs_flush_inode is removed.  Marking an inode dirty does not
imply an atime update.  Any place where flags were set before is now
an explicit call to orangefs_inode_setattr.  Since OrangeFS does not
utilize inode writeback, the attribute change should be written out
immediately.

Fixes generic/120.

In namei.c, there are several places where the directory mtime and ctime
are set, but only the mtime is sent to the server.  These don't seem
right, but I've left them as is for now.

Signed-off-by: Martin Brandenburg <martin@omnibond.com>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/fs/orangefs/inode.c b/fs/orangefs/inode.c
index 28825a5b6d09..fe1d705ad91f 100644
--- a/fs/orangefs/inode.c
+++ b/fs/orangefs/inode.c
@@ -290,6 +290,22 @@ int orangefs_permission(struct inode *inode, int mask)
 	return generic_permission(inode, mask);
 }
 
+int orangefs_update_time(struct inode *inode, struct timespec *time, int flags)
+{
+	struct iattr iattr;
+	gossip_debug(GOSSIP_INODE_DEBUG, "orangefs_update_time: %pU\n",
+	    get_khandle_from_ino(inode));
+	generic_update_time(inode, time, flags);
+	memset(&iattr, 0, sizeof iattr);
+        if (flags & S_ATIME)
+		iattr.ia_valid |= ATTR_ATIME;
+	if (flags & S_CTIME)
+		iattr.ia_valid |= ATTR_CTIME;
+	if (flags & S_MTIME)
+		iattr.ia_valid |= ATTR_MTIME;
+	return orangefs_inode_setattr(inode, &iattr);
+}
+
 /* ORANGEDS2 implementation of VFS inode operations for files */
 const struct inode_operations orangefs_file_inode_operations = {
 	.get_acl = orangefs_get_acl,
@@ -298,6 +314,7 @@ const struct inode_operations orangefs_file_inode_operations = {
 	.getattr = orangefs_getattr,
 	.listxattr = orangefs_listxattr,
 	.permission = orangefs_permission,
+	.update_time = orangefs_update_time,
 };
 
 static int orangefs_init_iops(struct inode *inode)