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, 9 insertions, 7 deletions

diff --git a/fs/orangefs/file.c b/fs/orangefs/file.c
index e4a8e6a7eb17..1668fd645c45 100644
--- a/fs/orangefs/file.c
+++ b/fs/orangefs/file.c
@@ -383,9 +383,15 @@ out:
 		if (type == ORANGEFS_IO_READ) {
 			file_accessed(file);
 		} else {
-			SetMtimeFlag(orangefs_inode);
-			inode->i_mtime = current_time(inode);
-			mark_inode_dirty_sync(inode);
+			file_update_time(file);
+			/*
+			 * Must invalidate to ensure write loop doesn't
+			 * prevent kernel from reading updated
+			 * attribute.  Size probably changed because of
+			 * the write, and other clients could update
+			 * any other attribute.
+			 */
+			orangefs_inode->getattr_time = jiffies - 1;
 		}
 	}
 
@@ -615,8 +621,6 @@ static int orangefs_file_release(struct inode *inode, struct file *file)
 		     "orangefs_file_release: called on %pD\n",
 		     file);
 
-	orangefs_flush_inode(inode);
-
 	/*
 	 * remove all associated inode pages from the page cache and
 	 * readahead cache (if any); this forces an expensive refresh of
@@ -666,8 +670,6 @@ static int orangefs_fsync(struct file *file,
 		     ret);
 
 	op_release(new_op);
-
-	orangefs_flush_inode(file_inode(file));
 	return ret;
 }