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Fixed the problem when setting zero_stats to 1 twice. #119

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Fixed the problem when setting zero_stats to 1 twice. #119

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7 changes: 3 additions & 4 deletions Driver/enhanceio/eio_procfs.c
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Original file line number Diff line number Diff line change
Expand Up @@ -88,9 +88,8 @@ eio_zerostats_sysctl(struct ctl_table *table, int write, void __user *buffer,
return -EINVAL;
}

if (dmc->sysctl_pending.zerostats ==
dmc->sysctl_active.zerostats)
/* same value. Nothing to work */
if (!dmc->sysctl_pending.zerostats)
/* if 0 do nothing */
return 0;

/* Copy to active */
Expand Down Expand Up @@ -1055,7 +1054,7 @@ static struct sysctl_table_common {
{ /* 1 */
.procname = "zero_stats",
.maxlen = sizeof(int),
.mode = 0644,
.mode = 0200,
.proc_handler = &eio_zerostats_sysctl,
}, { /* 2 */
.procname = "mem_limit_pct",
Expand Down