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| author | David Sterba <dsterba@suse.com> | 2019-08-21 20:06:17 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2019-09-09 15:59:15 +0300 |
| commit | 8a953348afdd75f45d75e5ff489876fe88f3731d (patch) | |
| tree | bb50b24017a15f1aacce6de8f05200a2b7ec022c /fs/btrfs/raid56.c | |
| parent | 784352fe0bb4814bd969fb390c3d03486a5aaafa (diff) | |
| download | linux-8a953348afdd75f45d75e5ff489876fe88f3731d.tar.xz | |
btrfs: move private raid56 definitions from ctree.h
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/raid56.c')
| -rw-r--r-- | fs/btrfs/raid56.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c index f3d0576dd327..57a2ac721985 100644 --- a/fs/btrfs/raid56.c +++ b/fs/btrfs/raid56.c @@ -35,6 +35,22 @@ #define RBIO_CACHE_SIZE 1024 +#define BTRFS_STRIPE_HASH_TABLE_BITS 11 + +/* Used by the raid56 code to lock stripes for read/modify/write */ +struct btrfs_stripe_hash { + struct list_head hash_list; + spinlock_t lock; +}; + +/* Used by the raid56 code to lock stripes for read/modify/write */ +struct btrfs_stripe_hash_table { + struct list_head stripe_cache; + spinlock_t cache_lock; + int cache_size; + struct btrfs_stripe_hash table[]; +}; + enum btrfs_rbio_ops { BTRFS_RBIO_WRITE, BTRFS_RBIO_READ_REBUILD, |