[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH] dd: work around buffer length restrictions with oflag=direct
|
From: |
Pádraig Brady |
|
Subject: |
Re: [PATCH] dd: work around buffer length restrictions with oflag=direct (O_DIRECT) |
|
Date: |
Mon, 10 Aug 2009 10:06:48 +0100 |
|
User-agent: |
Thunderbird 2.0.0.6 (X11/20071008) |
Jim Meyering wrote:
> +#ifdef POSIX_FADV_DONTNEED
> + off_t off = lseek (STDOUT_FILENO, 0, SEEK_CUR);
> + if (0 <= off)
> + ignore_value (posix_fadvise (STDOUT_FILENO,
> + off, 0, POSIX_FADV_DONTNEED));
> +#endif
That reminds me that it would be nice to have
[io]flag=stream to read/write files without polluting the cache etc.
cheers,
Pádraig.