Messages in this thread |  | | | Date | Tue, 20 Jun 2006 09:23:51 -0600 | | From | "Brian F. G. Bidulock" <> | | Subject | Re: [RFC] [PATCH 2/8] inode-diet: Move i_pipe into a union |
| |
Theodore,
On Mon, 19 Jun 2006, Theodore Tso wrote: > > As was mentioned in earlier comment, this will be problematic for the > out-of-tree System V Streams code, which hijacks i_pipe as another > place to store 4 bytes of random data needed for the Streams code (I > believe they needed a pointer to the stream head -- the v_str pointer > in a legacy Unix system's inode). But, that is an out-of-tree kernel > module, and it's a clear abuse of the i_pipe element in any case.
It's used for implementing STREAMS-based FIFOs. Which is a proper use of i_pipe (which is for FIFOs). Pipes (both mainline and STREAMS-based pipes) can use i_private instead of i_pipe.
For the same reason why i_pipe cannot be combined with i_private.
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |