On Tue, Oct 17, 2017 at 6:20 AM, Hou Tao <houtao1@xxxxxxxxxx> wrote:
> Found it when trying to remove the limitation of log->max_zero_size.
>
> Signed-off-by: Hou Tao <houtao1@xxxxxxxxxx>
Reviewed-by: Amir Goldstein <amir73il@xxxxxxxxx>
> ---
> src/log-writes/log-writes.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/src/log-writes/log-writes.c b/src/log-writes/log-writes.c
> index fab447a..0939157 100644
> --- a/src/log-writes/log-writes.c
> +++ b/src/log-writes/log-writes.c
> @@ -65,6 +65,9 @@ static int zero_range(struct log *log, u64 start, u64 len)
>
> memset(buf, 0, bufsize);
> while (len) {
> + if (len < bufsize)
> + bufsize = len;
> +
> ret = pwrite(log->replayfd, buf, bufsize, start);
> if (ret != bufsize) {
> fprintf(stderr, "Error zeroing file: %d\n", errno);
> --
> 2.5.0
>
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