On 10/12/17 3:49 PM, Liu Bo wrote:
> When IO error occurs, xfs_io -c "pwrite -W/w" doesn't report errors
> while xfs_io -c "pwrite" -c "fsync" does.
>
> This changes "pwrite -W/w" to report errors when it should.
>
> Signed-off-by: Liu Bo <bo.li.liu@xxxxxxxxxx>
<after looking at djwong & bfoster's comments>
Reviewed-by: Eric Sandeen <sandeen@xxxxxxxxxx>
> ---
> io/pwrite.c | 16 ++++++++++++----
> 1 file changed, 12 insertions(+), 4 deletions(-)
>
> diff --git a/io/pwrite.c b/io/pwrite.c
> index 1c5dfca..71bcccc 100644
> --- a/io/pwrite.c
> +++ b/io/pwrite.c
> @@ -379,11 +379,18 @@ pwrite_f(
> }
> if (c < 0)
> goto done;
> - if (Wflag)
> - fsync(file->fd);
> - if (wflag)
> - fdatasync(file->fd);
> + if (Wflag) {
> + if (fsync(file->fd) < 0) {
> + perror("fsync");
> + goto done;
> + }
> + }
> + if (wflag) {
> + if (fdatasync(file->fd) < 0) {
> + perror("fdatasync");
> + goto done;
> + }
> + }
> if (qflag)
> goto done;
> gettimeofday(&t2, NULL);
>
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