On 5/14/07, Hugh Dickins <[EMAIL PROTECTED]> wrote:
On Mon, 14 May 2007, Bharata B Rao wrote:
> From: Jan Blunck <[EMAIL PROTECTED]>
> Subject: tmpfs whiteout support
>
> Introduce whiteout support to tmpfs.
>
> Signed-off-by: Jan Blunck <[EMAIL PROTECTED]>
> Signed-off-by: Bharata B Rao <[EMAIL PROTECTED]>
> ---
> mm/shmem.c | 9 ++++++++-
> 1 files changed, 8 insertions(+), 1 deletion(-)
>
> --- a/mm/shmem.c
> +++ b/mm/shmem.c
> @@ -74,7 +74,7 @@
> #define LATENCY_LIMIT 64
>
> /* Pretend that each entry is of this size in directory's i_size */
> -#define BOGO_DIRENT_SIZE 20
> +#define BOGO_DIRENT_SIZE 1
Why would that change be needed for whiteout support?
Good question. It seems that this a survivor of the changes necessary
for union readdir. This isn't necessary for white-outs.
BTW: Why do we claim this to be 20??? Is there any meaning behind this?
Cheers,
Jan
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