diff options
Diffstat (limited to 'drivers/md/bcache/bcache.h')
| -rw-r--r-- | drivers/md/bcache/bcache.h | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h index 5a79bb3c272f..8ccacba85547 100644 --- a/drivers/md/bcache/bcache.h +++ b/drivers/md/bcache/bcache.h @@ -179,6 +179,7 @@ #define pr_fmt(fmt) "bcache: %s() " fmt, __func__ #include <linux/bio.h> +#include <linux/closure.h> #include <linux/kobject.h> #include <linux/list.h> #include <linux/mutex.h> @@ -192,7 +193,6 @@ #include "bcache_ondisk.h" #include "bset.h" #include "util.h" -#include "closure.h" struct bucket { atomic_t pin; @@ -200,6 +200,7 @@ struct bucket { uint8_t gen; uint8_t last_gc; /* Most out of date gen in the btree */ uint16_t gc_mark; /* Bitfield used by GC. See below for field */ + uint16_t reclaimable_in_gc:1; }; /* @@ -265,6 +266,7 @@ struct bcache_device { #define BCACHE_DEV_WB_RUNNING 3 #define BCACHE_DEV_RATE_DW_RUNNING 4 int nr_stripes; +#define BCH_MIN_STRIPE_SZ ((4 << 20) >> SECTOR_SHIFT) unsigned int stripe_size; atomic_t *stripe_sectors_dirty; unsigned long *full_dirty_stripes; @@ -299,6 +301,7 @@ struct cached_dev { struct list_head list; struct bcache_device disk; struct block_device *bdev; + struct file *bdev_file; struct cache_sb sb; struct cache_sb_disk *sb_disk; @@ -421,6 +424,7 @@ struct cache { struct kobject kobj; struct block_device *bdev; + struct file *bdev_file; struct task_struct *alloc_thread; @@ -443,8 +447,7 @@ struct cache { * free_inc: Incoming buckets - these are buckets that currently have * cached data in them, and we can't reuse them until after we write * their new gen to disk. After prio_write() finishes writing the new - * gens/prios, they'll be moved to the free list (and possibly discarded - * in the process) + * gens/prios, they'll be moved to the free list. */ DECLARE_FIFO(long, free)[RESERVE_NR]; DECLARE_FIFO(long, free_inc); @@ -463,8 +466,6 @@ struct cache { */ unsigned int invalidate_needs_gc; - bool discard; /* Get rid of? */ - struct journal_device journal; /* The rest of this all shows up in sysfs */ @@ -541,7 +542,7 @@ struct cache_set { struct bio_set bio_split; /* For the btree cache */ - struct shrinker shrink; + struct shrinker *shrink; /* For the btree cache and anything allocation related */ struct mutex bucket_lock; @@ -603,6 +604,7 @@ struct cache_set { */ atomic_t prio_blocked; wait_queue_head_t bucket_wait; + atomic_t bucket_wait_cnt; /* * For any bio we don't skip we subtract the number of sectors from |