[PATCH] fuse: don't update file times

Don't change mtime/ctime/atime to local time on read/write.  Rather invalidate
file attributes, so next stat() will force a GETATTR call.  Bug reported by
Ben Grimm.

Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 6 insertions, 4 deletions

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index a8dc88527fbe..6dcae74ce7fa 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -244,6 +244,7 @@ static int fuse_readpage(struct file *file, struct page *page)
         fuse_put_request(fc, req);
         if (!err)
                 SetPageUptodate(page);
+        fuse_invalidate_attr(inode); /* atime changed */
  out:
         unlock_page(page);
         return err;
@@ -312,6 +313,7 @@ static int fuse_readpages(struct file *file, struct address_space *mapping,
         if (!err && data.req->num_pages)
                 err = fuse_send_readpages(data.req, file, inode);
         fuse_put_request(fc, data.req);
+        fuse_invalidate_attr(inode); /* atime changed */
         return err;
 }
 
@@ -380,8 +382,8 @@ static int fuse_commit_write(struct file *file, struct page *page,
                         clear_page_dirty(page);
                         SetPageUptodate(page);
                 }
-        } else if (err == -EINTR || err == -EIO)
-                fuse_invalidate_attr(inode);
+        }
+        fuse_invalidate_attr(inode);
         return err;
 }
 
@@ -473,8 +475,8 @@ static ssize_t fuse_direct_io(struct file *file, const char __user *buf,
                 if (write && pos > i_size_read(inode))
                         i_size_write(inode, pos);
                 *ppos = pos;
-        } else if (write && (res == -EINTR || res == -EIO))
-                fuse_invalidate_attr(inode);
+        }
+        fuse_invalidate_attr(inode);
 
         return res;
 }