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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
parent6a0d12724bd2dd1c766769578e221ce1d10a4656 (diff)
downloadlinux-bd3a5287cc20e37f1e365be1f742b6c574e3f83c.tar.bz2
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>
-rw-r--r--fs/btrfs/compression.c24
-rw-r--r--fs/btrfs/compression.h2
-rw-r--r--fs/btrfs/lzo.c6
-rw-r--r--fs/btrfs/zlib.c6
-rw-r--r--fs/btrfs/zstd.c1
5 files changed, 15 insertions, 24 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();
+ }
}
/*
diff --git a/fs/btrfs/compression.h b/fs/btrfs/compression.h
index df7274c1a5d8..b8ed97fc6db4 100644
--- a/fs/btrfs/compression.h
+++ b/fs/btrfs/compression.h
@@ -125,8 +125,6 @@ struct list_head *btrfs_get_workspace(struct workspace_manager *wsm,
void btrfs_put_workspace(struct workspace_manager *wsm, struct list_head *ws);
struct btrfs_compress_op {
- void (*put_workspace)(struct list_head *ws);
-
struct list_head *(*alloc_workspace)(unsigned int level);
void (*free_workspace)(struct list_head *workspace);
diff --git a/fs/btrfs/lzo.c b/fs/btrfs/lzo.c
index 821e5c137971..bbf917c5ff2d 100644
--- a/fs/btrfs/lzo.c
+++ b/fs/btrfs/lzo.c
@@ -63,11 +63,6 @@ struct workspace {
static struct workspace_manager wsm;
-void lzo_put_workspace(struct list_head *ws)
-{
- btrfs_put_workspace(&wsm, ws);
-}
-
void lzo_free_workspace(struct list_head *ws)
{
struct workspace *workspace = list_entry(ws, struct workspace, list);
@@ -489,7 +484,6 @@ out:
const struct btrfs_compress_op btrfs_lzo_compress = {
.workspace_manager = &wsm,
- .put_workspace = lzo_put_workspace,
.alloc_workspace = lzo_alloc_workspace,
.free_workspace = lzo_free_workspace,
.max_level = 1,
diff --git a/fs/btrfs/zlib.c b/fs/btrfs/zlib.c
index 7caa468efe94..610765640c8e 100644
--- a/fs/btrfs/zlib.c
+++ b/fs/btrfs/zlib.c
@@ -39,11 +39,6 @@ struct list_head *zlib_get_workspace(unsigned int level)
return ws;
}
-void zlib_put_workspace(struct list_head *ws)
-{
- btrfs_put_workspace(&wsm, ws);
-}
-
void zlib_free_workspace(struct list_head *ws)
{
struct workspace *workspace = list_entry(ws, struct workspace, list);
@@ -405,7 +400,6 @@ next:
const struct btrfs_compress_op btrfs_zlib_compress = {
.workspace_manager = &wsm,
- .put_workspace = zlib_put_workspace,
.alloc_workspace = zlib_alloc_workspace,
.free_workspace = zlib_free_workspace,
.max_level = 9,
diff --git a/fs/btrfs/zstd.c b/fs/btrfs/zstd.c
index c9fe0e2bd107..a346f1187fae 100644
--- a/fs/btrfs/zstd.c
+++ b/fs/btrfs/zstd.c
@@ -708,7 +708,6 @@ finish:
const struct btrfs_compress_op btrfs_zstd_compress = {
/* ZSTD uses own workspace manager */
.workspace_manager = NULL,
- .put_workspace = zstd_put_workspace,
.alloc_workspace = zstd_alloc_workspace,
.free_workspace = zstd_free_workspace,
.max_level = ZSTD_BTRFS_MAX_LEVEL,