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authorDavid Sterba <dsterba@suse.com>2019-10-04 02:42:03 +0200
committerDavid Sterba <dsterba@suse.com>2019-11-18 12:46:58 +0100
commitbd3a5287cc20e37f1e365be1f742b6c574e3f83c (patch)
tree09ebef6c4c77751d82aaffaf65dd74579cd3e569 /fs/btrfs/compression.c
parentbtrfs: compression: inline get_workspace (diff)
downloadlinux-bd3a5287cc20e37f1e365be1f742b6c574e3f83c.tar.xz
linux-bd3a5287cc20e37f1e365be1f742b6c574e3f83c.zip
btrfs: compression: inline put_workspace
Similar to get_workspace, majority of the callbacks is trivial, we don't gain anything by the indirection, so replace them by a switch function. Trivial callback implementations use the helper. 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/compression.c')
-rw-r--r--fs/btrfs/compression.c24
1 files changed, 15 insertions, 9 deletions
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index de9b06574f42..9b9638557e19 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -39,7 +39,6 @@ int zlib_decompress(struct list_head *ws, unsigned char *data_in,
struct list_head *zlib_alloc_workspace(unsigned int level);
void zlib_free_workspace(struct list_head *ws);
struct list_head *zlib_get_workspace(unsigned int level);
-void zlib_put_workspace(struct list_head *ws);
int lzo_compress_pages(struct list_head *ws, struct address_space *mapping,
u64 start, struct page **pages, unsigned long *out_pages,
@@ -50,7 +49,6 @@ int lzo_decompress(struct list_head *ws, unsigned char *data_in,
size_t destlen);
struct list_head *lzo_alloc_workspace(unsigned int level);
void lzo_free_workspace(struct list_head *ws);
-void lzo_put_workspace(struct list_head *ws);
int zstd_compress_pages(struct list_head *ws, struct address_space *mapping,
u64 start, struct page **pages, unsigned long *out_pages,
@@ -873,11 +871,6 @@ struct heuristic_ws {
static struct workspace_manager heuristic_wsm;
-static void heuristic_put_workspace(struct list_head *ws)
-{
- btrfs_put_workspace(&heuristic_wsm, ws);
-}
-
static void free_heuristic_ws(struct list_head *ws)
{
struct heuristic_ws *workspace;
@@ -919,7 +912,6 @@ fail:
const struct btrfs_compress_op btrfs_heuristic_compress = {
.workspace_manager = &heuristic_wsm,
- .put_workspace = heuristic_put_workspace,
.alloc_workspace = alloc_heuristic_ws,
.free_workspace = free_heuristic_ws,
};
@@ -1112,7 +1104,21 @@ wake:
static void put_workspace(int type, struct list_head *ws)
{
- return btrfs_compress_op[type]->put_workspace(ws);
+ struct workspace_manager *wsm;
+
+ wsm = btrfs_compress_op[type]->workspace_manager;
+ switch (type) {
+ case BTRFS_COMPRESS_NONE: return btrfs_put_workspace(wsm, ws);
+ case BTRFS_COMPRESS_ZLIB: return btrfs_put_workspace(wsm, ws);
+ case BTRFS_COMPRESS_LZO: return btrfs_put_workspace(wsm, ws);
+ case BTRFS_COMPRESS_ZSTD: return zstd_put_workspace(ws);
+ default:
+ /*
+ * This can't happen, the type is validated several times
+ * before we get here.
+ */
+ BUG();
+ }
}
/*