diff options
Diffstat (limited to 'drivers/block/zram')
| -rw-r--r-- | drivers/block/zram/zram_drv.c | 33 |
1 files changed, 16 insertions, 17 deletions
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 369fe56..0e07652 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -307,8 +307,21 @@ static inline int valid_io_request(struct zram *zram, return 1; } -static void zram_meta_free(struct zram_meta *meta) +static void zram_meta_free(struct zram_meta *meta, u64 disksize) { + size_t num_pages = disksize >> PAGE_SHIFT; + size_t index; + + /* Free all pages that are still in this zram device */ + for (index = 0; index < num_pages; index++) { + unsigned long handle = meta->table[index].handle; + + if (!handle) + continue; + + zs_free(meta->mem_pool, handle); + } + zs_destroy_pool(meta->mem_pool); vfree(meta->table); kfree(meta); @@ -704,9 +717,6 @@ static void zram_bio_discard(struct zram *zram, u32 index, static void zram_reset_device(struct zram *zram, bool reset_capacity) { - size_t index; - struct zram_meta *meta; - down_write(&zram->init_lock); zram->limit_pages = 0; @@ -716,20 +726,9 @@ static void zram_reset_device(struct zram *zram, bool reset_capacity) return; } - meta = zram->meta; - /* Free all pages that are still in this zram device */ - for (index = 0; index < zram->disksize >> PAGE_SHIFT; index++) { - unsigned long handle = meta->table[index].handle; - if (!handle) - continue; - - zs_free(meta->mem_pool, handle); - } - zcomp_destroy(zram->comp); zram->max_comp_streams = 1; - - zram_meta_free(zram->meta); + zram_meta_free(zram->meta, zram->disksize); zram->meta = NULL; /* Reset stats */ memset(&zram->stats, 0, sizeof(zram->stats)); @@ -801,7 +800,7 @@ out_destroy_comp: up_write(&zram->init_lock); zcomp_destroy(comp); out_free_meta: - zram_meta_free(meta); + zram_meta_free(meta, disksize); return err; } |