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zram: update ac_time of written back slots #706

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zram: update ac_time of written back slots #706

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12 changes: 9 additions & 3 deletions drivers/block/zram/zram_drv.c
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Original file line number Diff line number Diff line change
Expand Up @@ -185,15 +185,20 @@ static inline u32 get_slot_comp_priority(struct zram *zram, u32 index)
return prio & ZRAM_COMP_PRIORITY_MASK;
}

static void mark_slot_accessed(struct zram *zram, u32 index)
static void update_slot_ac_time(struct zram *zram, u32 index)
{
clear_slot_flag(zram, index, ZRAM_IDLE);
clear_slot_flag(zram, index, ZRAM_PP_SLOT);
#ifdef CONFIG_ZRAM_TRACK_ENTRY_ACTIME
zram->table[index].attr.ac_time = (u32)ktime_get_boottime_seconds();
#endif
}

static void mark_slot_accessed(struct zram *zram, u32 index)
{
clear_slot_flag(zram, index, ZRAM_IDLE);
clear_slot_flag(zram, index, ZRAM_PP_SLOT);
update_slot_ac_time(zram, index);
}

static inline void update_used_max(struct zram *zram, const unsigned long pages)
{
unsigned long cur_max = atomic_long_read(&zram->stats.max_used_pages);
Expand Down Expand Up @@ -952,6 +957,7 @@ static int zram_writeback_complete(struct zram *zram, struct zram_wb_req *req)
zs_free(zram->mem_pool, get_slot_handle(zram, index));
set_slot_handle(zram, index, req->blk_idx);
set_slot_flag(zram, index, ZRAM_WB);
update_slot_ac_time(zram, index);

out:
slot_unlock(zram, index);
Expand Down