diff options
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/zram/zram_drv.c | 30 | ||||
| -rw-r--r-- | drivers/block/zram/zram_drv.h | 1 |
2 files changed, 17 insertions, 14 deletions
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 9c01f5bfa33f..9fa15bb9d118 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -388,7 +388,6 @@ static ssize_t comp_algorithm_store(struct device *dev, static ssize_t compact_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { - unsigned long nr_migrated; struct zram *zram = dev_to_zram(dev); struct zram_meta *meta; @@ -399,8 +398,7 @@ static ssize_t compact_store(struct device *dev, } meta = zram->meta; - nr_migrated = zs_compact(meta->mem_pool); - atomic64_add(nr_migrated, &zram->stats.num_migrated); + zs_compact(meta->mem_pool); up_read(&zram->init_lock); return len; @@ -428,26 +426,31 @@ static ssize_t mm_stat_show(struct device *dev, struct device_attribute *attr, char *buf) { struct zram *zram = dev_to_zram(dev); + struct zs_pool_stats pool_stats; u64 orig_size, mem_used = 0; long max_used; ssize_t ret; + memset(&pool_stats, 0x00, sizeof(struct zs_pool_stats)); + down_read(&zram->init_lock); - if (init_done(zram)) + if (init_done(zram)) { mem_used = zs_get_total_pages(zram->meta->mem_pool); + zs_pool_stats(zram->meta->mem_pool, &pool_stats); + } orig_size = atomic64_read(&zram->stats.pages_stored); max_used = atomic_long_read(&zram->stats.max_used_pages); ret = scnprintf(buf, PAGE_SIZE, - "%8llu %8llu %8llu %8lu %8ld %8llu %8llu\n", + "%8llu %8llu %8llu %8lu %8ld %8llu %8lu\n", orig_size << PAGE_SHIFT, (u64)atomic64_read(&zram->stats.compr_data_size), mem_used << PAGE_SHIFT, zram->limit_pages << PAGE_SHIFT, max_used << PAGE_SHIFT, (u64)atomic64_read(&zram->stats.zero_pages), - (u64)atomic64_read(&zram->stats.num_migrated)); + pool_stats.pages_compacted); up_read(&zram->init_lock); return ret; @@ -619,7 +622,7 @@ static int zram_bvec_read(struct zram *zram, struct bio_vec *bvec, uncmem = user_mem; if (!uncmem) { - pr_info("Unable to allocate temp memory\n"); + pr_err("Unable to allocate temp memory\n"); ret = -ENOMEM; goto out_cleanup; } @@ -716,7 +719,7 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, u32 index, handle = zs_malloc(meta->mem_pool, clen); if (!handle) { - pr_info("Error allocating memory for compressed page: %u, size=%zu\n", + pr_err("Error allocating memory for compressed page: %u, size=%zu\n", index, clen); ret = -ENOMEM; goto out; @@ -1036,7 +1039,7 @@ static ssize_t disksize_store(struct device *dev, comp = zcomp_create(zram->compressor, zram->max_comp_streams); if (IS_ERR(comp)) { - pr_info("Cannot initialise %s compressing backend\n", + pr_err("Cannot initialise %s compressing backend\n", zram->compressor); err = PTR_ERR(comp); goto out_free_meta; @@ -1214,7 +1217,7 @@ static int zram_add(void) /* gendisk structure */ zram->disk = alloc_disk(1); if (!zram->disk) { - pr_warn("Error allocating disk structure for device %d\n", + pr_err("Error allocating disk structure for device %d\n", device_id); ret = -ENOMEM; goto out_free_queue; @@ -1263,7 +1266,8 @@ static int zram_add(void) ret = sysfs_create_group(&disk_to_dev(zram->disk)->kobj, &zram_disk_attr_group); if (ret < 0) { - pr_warn("Error creating sysfs group"); + pr_err("Error creating sysfs group for device %d\n", + device_id); goto out_free_disk; } strlcpy(zram->compressor, default_compressor, sizeof(zram->compressor)); @@ -1403,13 +1407,13 @@ static int __init zram_init(void) ret = class_register(&zram_control_class); if (ret) { - pr_warn("Unable to register zram-control class\n"); + pr_err("Unable to register zram-control class\n"); return ret; } zram_major = register_blkdev(0, "zram"); if (zram_major <= 0) { - pr_warn("Unable to get major number\n"); + pr_err("Unable to get major number\n"); class_unregister(&zram_control_class); return -EBUSY; } diff --git a/drivers/block/zram/zram_drv.h b/drivers/block/zram/zram_drv.h index 6dbe2df506bf..8e92339686d7 100644 --- a/drivers/block/zram/zram_drv.h +++ b/drivers/block/zram/zram_drv.h @@ -78,7 +78,6 @@ struct zram_stats { atomic64_t compr_data_size; /* compressed size of pages stored */ atomic64_t num_reads; /* failed + successful */ atomic64_t num_writes; /* --do-- */ - atomic64_t num_migrated; /* no. of migrated object */ atomic64_t failed_reads; /* can happen when memory is too low */ atomic64_t failed_writes; /* can happen when memory is too low */ atomic64_t invalid_io; /* non-page-aligned I/O requests */ |