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| author | Miklos Szeredi <mszeredi@suse.cz> | 2015-02-26 11:45:47 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-03-26 15:00:57 +0100 |
| commit | 12bda52e8f3720c7398e95b10462b185a7dafa4b (patch) | |
| tree | 6d396c592130d37b7b722fd67d869548bc9fb17c | |
| parent | ce6f883465ceb83908bd2385fd91145a466f3715 (diff) | |
| download | lwn-12bda52e8f3720c7398e95b10462b185a7dafa4b.tar.gz lwn-12bda52e8f3720c7398e95b10462b185a7dafa4b.zip | |
fuse: notify: don't move pages
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>
| -rw-r--r-- | fs/fuse/dev.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index c46f29082bb9..b535008b6c4c 100644 --- 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); |