submit_bio() flush to disk immediately

[Prashant Shah]

Hi,

On Tue, Aug 6, 2013 at 1:15 PM, Rajat Sharma <fs.rajat at gmail.com> wrote:
> How are you reading and writing? What is your test utility? 'dd' has
> an option to specify iflag/oflag=direct, which would bypass buffer
> cache. But anyways this problem should not happen even if data is
> written to cache, you should read it back from cache.

I am using cat command. Its a block that belongs to a file and I am
directly writing to the block. On reading the file I am getting stale
data.

Regards.