On 2/28/18 7:36 PM, Dave Chinner wrote:
> From: Dave Chinner <dchinner@xxxxxxxxxx>
>
> Enable testing write behaviour with the per-io RWF_DSYNC flag.
>
> Signed-Off-By: Dave Chinner <dchinner@xxxxxxxxxx>
> ---
> io/pwrite.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/io/pwrite.c b/io/pwrite.c
> index a89edfd0496f..58867b764635 100644
> --- a/io/pwrite.c
> +++ b/io/pwrite.c
> @@ -56,6 +56,7 @@ pwrite_help(void)
> #endif
> #ifdef HAVE_PWRITEV2
> " -N -- Perform the pwritev2() with RWF_NOWAIT\n"
> +" -D -- Perform the pwritev2() with RWF_DSYNC\n"
Needs an xfs_io manpage update and a pwrite_cmd.args
(short help) update, please.
Thanks,
-Eric
> #endif
> "\n"));
> }
> @@ -299,7 +300,7 @@ pwrite_f(
> init_cvtnum(&fsblocksize, &fssectsize);
> bsize = fsblocksize;
>
> - while ((c = getopt(argc, argv, "b:BCdf:Fi:NqRs:OS:uV:wWZ:")) != EOF) {
> + while ((c = getopt(argc, argv, "b:BCdDf:Fi:NqRs:OS:uV:wWZ:")) != EOF) {
> switch (c) {
> case 'b':
> tmp = cvtnum(fsblocksize, fssectsize, optarg);
> @@ -335,6 +336,9 @@ pwrite_f(
> case 'N':
> pwritev2_flags |= RWF_NOWAIT;
> break;
> + case 'D':
> + pwritev2_flags |= RWF_DSYNC;
> + break;
> #endif
> case 's':
> skip = cvtnum(fsblocksize, fssectsize, optarg);
>
--
To unsubscribe from this list: send the line "unsubscribe linux-xfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
