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| author | Sergey Senozhatsky <sergey.senozhatsky@gmail.com> | 2014-04-08 00:38:12 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-08 01:36:01 +0200 |
| commit | b7ca232ee7e85ed3b18e39eb20a7f458ee1d6047 (patch) | |
| tree | 6bb05970e4ae792d7c071d1e1b479159acc02716 /drivers/block/zram/zram_drv.h | |
| parent | zram: introduce compressing backend abstraction (diff) | |
| download | linux-b7ca232ee7e85ed3b18e39eb20a7f458ee1d6047.tar.xz linux-b7ca232ee7e85ed3b18e39eb20a7f458ee1d6047.zip | |
zram: use zcomp compressing backends
Do not perform direct LZO compress/decompress calls, initialise
and use zcomp LZO backend (single compression stream) instead.
[akpm@linux-foundation.org: resolve conflicts with zram-delete-zram_init_device-fix.patch]
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Jerome Marchand <jmarchan@redhat.com>
Cc: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/block/zram/zram_drv.h')
| -rw-r--r-- | drivers/block/zram/zram_drv.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/block/zram/zram_drv.h b/drivers/block/zram/zram_drv.h index 1d5b1f5786a8..45e04f7b713f 100644 --- a/drivers/block/zram/zram_drv.h +++ b/drivers/block/zram/zram_drv.h @@ -16,9 +16,10 @@ #define _ZRAM_DRV_H_ #include <linux/spinlock.h> -#include <linux/mutex.h> #include <linux/zsmalloc.h> +#include "zcomp.h" + /* * Some arbitrary value. This is just to catch * invalid value for num_devices module parameter. @@ -81,17 +82,16 @@ struct zram_stats { struct zram_meta { rwlock_t tb_lock; /* protect table */ - void *compress_workmem; - void *compress_buffer; struct table *table; struct zs_pool *mem_pool; - struct mutex buffer_lock; /* protect compress buffers */ }; struct zram { struct zram_meta *meta; struct request_queue *queue; struct gendisk *disk; + struct zcomp *comp; + /* Prevent concurrent execution of device init, reset and R/W request */ struct rw_semaphore init_lock; /* |