| From 0d2783626a53d4c922f82d51fa675cb5d13f0d36 Mon Sep 17 00:00:00 2001 |
| From: Miklos Szeredi <mszeredi@suse.cz> |
| Date: Thu, 26 Feb 2015 11:45:47 +0100 |
| Subject: fuse: notify: don't move pages |
| |
| From: Miklos Szeredi <mszeredi@suse.cz> |
| |
| commit 0d2783626a53d4c922f82d51fa675cb5d13f0d36 upstream. |
| |
| fuse_try_move_page() is not prepared for replacing pages that have already |
| been read. |
| |
| Reported-by: Al Viro <viro@zeniv.linux.org.uk> |
| Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| |
| --- |
| fs/fuse/dev.c | 3 +++ |
| 1 file changed, 3 insertions(+) |
| |
| --- a/fs/fuse/dev.c |
| +++ b/fs/fuse/dev.c |
| @@ -1725,6 +1725,9 @@ copy_finish: |
| static int fuse_notify(struct fuse_conn *fc, enum fuse_notify_code code, |
| unsigned int size, struct fuse_copy_state *cs) |
| { |
| + /* Don't try to move pages (yet) */ |
| + cs->move_pages = 0; |
| + |
| switch (code) { |
| case FUSE_NOTIFY_POLL: |
| return fuse_notify_poll(fc, size, cs); |
