This is a note to let you know that I've just added the patch titled fuse: fsync() did not return IO errors to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: fuse-fsync-did-not-return-io-errors.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From ac7f052b9e1534c8248f814b6f0068ad8d4a06d2 Mon Sep 17 00:00:00 2001 From: Alexey Kuznetsov <kuznet@xxxxxxxxxxxxx> Date: Tue, 19 Jul 2016 12:48:01 -0700 Subject: fuse: fsync() did not return IO errors From: Alexey Kuznetsov <kuznet@xxxxxxxxxxxxx> commit ac7f052b9e1534c8248f814b6f0068ad8d4a06d2 upstream. Due to implementation of fuse writeback filemap_write_and_wait_range() does not catch errors. We have to do this directly after fuse_sync_writes() Signed-off-by: Alexey Kuznetsov <kuznet@xxxxxxxxxxxxx> Signed-off-by: Maxim Patlasov <mpatlasov@xxxxxxxxxxxxx> Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxxxxx> Fixes: 4d99ff8f12eb ("fuse: Turn writeback cache on") Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/fuse/file.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -462,6 +462,21 @@ int fuse_fsync_common(struct file *file, goto out; fuse_sync_writes(inode); + + /* + * Due to implementation of fuse writeback + * filemap_write_and_wait_range() does not catch errors. + * We have to do this directly after fuse_sync_writes() + */ + if (test_bit(AS_ENOSPC, &file->f_mapping->flags) && + test_and_clear_bit(AS_ENOSPC, &file->f_mapping->flags)) + err = -ENOSPC; + if (test_bit(AS_EIO, &file->f_mapping->flags) && + test_and_clear_bit(AS_EIO, &file->f_mapping->flags)) + err = -EIO; + if (err) + goto out; + err = sync_inode_metadata(inode, 1); if (err) goto out; Patches currently in stable-queue which might be from kuznet@xxxxxxxxxxxxx are queue-4.4/fuse-fsync-did-not-return-io-errors.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html