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-rw-r--r--drivers/block/zram/zram_drv.c11
-rw-r--r--drivers/block/zram/zram_drv.h4
2 files changed, 3 insertions, 12 deletions
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index c1f0f2da1ec3..60946a9a7bc4 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -59,23 +59,16 @@ static int zram_read_page(struct zram *zram, struct page *page, u32 index,
static int zram_slot_trylock(struct zram *zram, u32 index)
{
- int ret;
-
- ret = spin_trylock(&zram->table[index].lock);
- if (ret)
- __set_bit(ZRAM_LOCK, &zram->table[index].flags);
- return ret;
+ return spin_trylock(&zram->table[index].lock);
}
static void zram_slot_lock(struct zram *zram, u32 index)
{
spin_lock(&zram->table[index].lock);
- __set_bit(ZRAM_LOCK, &zram->table[index].flags);
}
static void zram_slot_unlock(struct zram *zram, u32 index)
{
- __clear_bit(ZRAM_LOCK, &zram->table[index].flags);
spin_unlock(&zram->table[index].lock);
}
@@ -1293,7 +1286,7 @@ out:
zram_set_handle(zram, index, 0);
zram_set_obj_size(zram, index, 0);
WARN_ON_ONCE(zram->table[index].flags &
- ~(1UL << ZRAM_LOCK | 1UL << ZRAM_UNDER_WB));
+ ~(1UL << ZRAM_UNDER_WB));
}
/*
diff --git a/drivers/block/zram/zram_drv.h b/drivers/block/zram/zram_drv.h
index dcc3c106ce71..262fa960a078 100644
--- a/drivers/block/zram/zram_drv.h
+++ b/drivers/block/zram/zram_drv.h
@@ -45,9 +45,7 @@
/* Flags for zram pages (table[page_no].flags) */
enum zram_pageflags {
- /* zram slot is locked */
- ZRAM_LOCK = ZRAM_FLAG_SHIFT,
- ZRAM_SAME, /* Page consists the same element */
+ ZRAM_SAME = ZRAM_FLAG_SHIFT, /* Page consists the same element */
ZRAM_WB, /* page is stored on backing_device */
ZRAM_UNDER_WB, /* page is under writeback */
ZRAM_HUGE, /* Incompressible page */