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| author |   David Sterba <dsterba@suse.com> | 2019-10-04 02:21:48 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2019-11-18 12:46:58 +0100 |
| commit | d20f395f98959dee592cf05af0bec7ab5b185e5e (patch) | |
| tree | e8b3580f2f3c0fdee2b34fc7f85f83611c2d8dd7 /fs/btrfs/zstd.c | |
| parent | btrfs: compression: inline cleanup_workspace_manager (diff) | |
| download | linux-dev-d20f395f98959dee592cf05af0bec7ab5b185e5e.tar.xz linux-dev-d20f395f98959dee592cf05af0bec7ab5b185e5e.zip | |
btrfs: compression: export alloc/free/get/put callbacks of all algos
The indirect calls will be replaced by a switch in compression.c.
(Switch is faster than indirect calls with when Spectre mitigations are
enabled).
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/zstd.c')
| -rw-r--r-- | fs/btrfs/zstd.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/fs/btrfs/zstd.c b/fs/btrfs/zstd.c index f575ce77ea3d..2caf08e06e2f 100644 --- a/fs/btrfs/zstd.c +++ b/fs/btrfs/zstd.c @@ -91,9 +91,8 @@ static inline struct workspace *list_to_workspace(struct list_head *list) return container_of(list, struct workspace, list); } -static void zstd_free_workspace(struct list_head *ws); -static struct list_head *zstd_alloc_workspace(unsigned int level); - +void zstd_free_workspace(struct list_head *ws); +struct list_head *zstd_alloc_workspace(unsigned int level); /* * zstd_reclaim_timer_fn - reclaim timer * @t: timer @@ -261,7 +260,7 @@ static struct list_head *zstd_find_workspace(unsigned int level) * attempt to allocate a new workspace. If we fail to allocate one due to * memory pressure, go to sleep waiting for the max level workspace to free up. */ -static struct list_head *zstd_get_workspace(unsigned int level) +struct list_head *zstd_get_workspace(unsigned int level) { struct list_head *ws; unsigned int nofs_flag; @@ -302,7 +301,7 @@ again: * isn't set, it is also set here. Only the max level workspace tries and wakes * up waiting workspaces. */ -static void zstd_put_workspace(struct list_head *ws) +void zstd_put_workspace(struct list_head *ws) { struct workspace *workspace = list_to_workspace(ws); @@ -332,7 +331,7 @@ static void zstd_put_workspace(struct list_head *ws) cond_wake_up(&wsm.wait); } -static void zstd_free_workspace(struct list_head *ws) +void zstd_free_workspace(struct list_head *ws) { struct workspace *workspace = list_entry(ws, struct workspace, list); @@ -341,7 +340,7 @@ static void zstd_free_workspace(struct list_head *ws) kfree(workspace); } -static struct list_head *zstd_alloc_workspace(unsigned int level) +struct list_head *zstd_alloc_workspace(unsigned int level) { struct workspace *workspace; |