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| author |   Jiri Kosina <jkosina@suse.cz> | 2017-11-15 11:04:13 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2017-11-15 11:04:13 +0100 |
| commit | 5cc619db5c34146ee821acd08382b9d78579b52e (patch) | |
| tree | ee28e3cefdb35d56e33887f05db0a50589aa5883 /drivers/block/zram/zram_drv.h | |
| parent | Merge branch 'for-4.14/upstream-fixes' into for-linus (diff) | |
| parent | HID: alps: add new U1 device ID (diff) | |
| download | linux-dev-5cc619db5c34146ee821acd08382b9d78579b52e.tar.xz linux-dev-5cc619db5c34146ee821acd08382b9d78579b52e.zip | |
Merge branch 'for-4.15/alps' into for-linus
- New ALPS touchpad (T4, found currently on HP EliteBook 1000, Zbook Stduio
and HP Elite book x360) support from Masaki Ota
Diffstat (limited to 'drivers/block/zram/zram_drv.h')
| -rw-r--r-- | drivers/block/zram/zram_drv.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/block/zram/zram_drv.h b/drivers/block/zram/zram_drv.h index e34e44d02e3e..31762db861e3 100644 --- a/drivers/block/zram/zram_drv.h +++ b/drivers/block/zram/zram_drv.h @@ -60,9 +60,10 @@ static const size_t max_zpage_size = PAGE_SIZE / 4 * 3; /* Flags for zram pages (table[page_no].value) */ enum zram_pageflags { - /* Page consists entirely of zeros */ + /* Page consists the same element */ ZRAM_SAME = ZRAM_FLAG_SHIFT, ZRAM_ACCESS, /* page is now accessed */ + ZRAM_WB, /* page is stored on backing_device */ __NR_ZRAM_PAGEFLAGS, }; @@ -115,5 +116,13 @@ struct zram { * zram is claimed so open request will be failed */ bool claim; /* Protected by bdev->bd_mutex */ +#ifdef CONFIG_ZRAM_WRITEBACK + struct file *backing_dev; + struct block_device *bdev; + unsigned int old_block_size; + unsigned long *bitmap; + unsigned long nr_pages; + spinlock_t bitmap_lock; +#endif }; #endif |