Commit d5517033 authored by David Sterba's avatar David Sterba
Browse files

btrfs: compression: inline init_workspace_manager 



Replace loop calling to all algos with a list of direct calls to the
init manager callback. When that becomes trivial it is replaced by
direct call to the helper.

Reviewed-by: default avatarJohannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: default avatarNikolay Borisov <nborisov@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 975db483

fs/btrfs/compression.c

+6 −11
Original line number Diff line number Diff line
@@ -52,6 +52,7 @@ int zstd_decompress_bio(struct list_head *ws, struct compressed_bio *cb); 
int zstd_decompress(struct list_head *ws, unsigned char *data_in,

		struct page *dest_page, unsigned long start_byte, size_t srclen,

		size_t destlen);

void zstd_init_workspace_manager(void);



static const char* const btrfs_compress_types[] = { "", "zlib", "lzo", "zstd" };
@@ -860,11 +861,6 @@ struct heuristic_ws { 


static struct workspace_manager heuristic_wsm;



static void heuristic_init_workspace_manager(void)

{

	btrfs_init_workspace_manager(BTRFS_COMPRESS_NONE);

}



static void heuristic_cleanup_workspace_manager(void)

{

	btrfs_cleanup_workspace_manager(&heuristic_wsm);
@@ -921,7 +917,6 @@ fail: 


const struct btrfs_compress_op btrfs_heuristic_compress = {

	.workspace_manager = &heuristic_wsm,

	.init_workspace_manager = heuristic_init_workspace_manager,

	.cleanup_workspace_manager = heuristic_cleanup_workspace_manager,

	.get_workspace = heuristic_get_workspace,

	.put_workspace = heuristic_put_workspace,
@@ -937,7 +932,7 @@ static const struct btrfs_compress_op * const btrfs_compress_op[] = { 
	&btrfs_zstd_compress,

};



void btrfs_init_workspace_manager(int type)

static void btrfs_init_workspace_manager(int type)

{

	const struct btrfs_compress_op *ops = btrfs_compress_op[type];

	struct workspace_manager *wsm = ops->workspace_manager;
@@ -1194,10 +1189,10 @@ int btrfs_decompress(int type, unsigned char *data_in, struct page *dest_page, 


void __init btrfs_init_compress(void)

{

	int i;



	for (i = 0; i < BTRFS_NR_WORKSPACE_MANAGERS; i++)

		btrfs_compress_op[i]->init_workspace_manager();

	btrfs_init_workspace_manager(BTRFS_COMPRESS_NONE);

	btrfs_init_workspace_manager(BTRFS_COMPRESS_ZLIB);

	btrfs_init_workspace_manager(BTRFS_COMPRESS_LZO);

	zstd_init_workspace_manager();

}



void __cold btrfs_exit_compress(void)

fs/btrfs/compression.h

+0 −3
Original line number Diff line number Diff line
@@ -120,15 +120,12 @@ struct workspace_manager { 
	wait_queue_head_t ws_wait;

};



void btrfs_init_workspace_manager(int type);

struct list_head *btrfs_get_workspace(struct workspace_manager *wsm,

				      unsigned int level);

void btrfs_put_workspace(struct workspace_manager *wsm, struct list_head *ws);

void btrfs_cleanup_workspace_manager(struct workspace_manager *wsm);



struct btrfs_compress_op {

	void (*init_workspace_manager)(void);



	void (*cleanup_workspace_manager)(void);



	struct list_head *(*get_workspace)(unsigned int level);

fs/btrfs/lzo.c

+0 −6
Original line number Diff line number Diff line
@@ -63,11 +63,6 @@ struct workspace { 


static struct workspace_manager wsm;



static void lzo_init_workspace_manager(void)

{

	btrfs_init_workspace_manager(BTRFS_COMPRESS_LZO);

}



static void lzo_cleanup_workspace_manager(void)

{

	btrfs_cleanup_workspace_manager(&wsm);
@@ -504,7 +499,6 @@ out: 


const struct btrfs_compress_op btrfs_lzo_compress = {

	.workspace_manager	= &wsm,

	.init_workspace_manager	= lzo_init_workspace_manager,

	.cleanup_workspace_manager = lzo_cleanup_workspace_manager,

	.get_workspace		= lzo_get_workspace,

	.put_workspace		= lzo_put_workspace,

fs/btrfs/zlib.c

+0 −6
Original line number Diff line number Diff line
@@ -29,11 +29,6 @@ struct workspace { 


static struct workspace_manager wsm;



static void zlib_init_workspace_manager(void)

{

	btrfs_init_workspace_manager(BTRFS_COMPRESS_ZLIB);

}



static void zlib_cleanup_workspace_manager(void)

{

	btrfs_cleanup_workspace_manager(&wsm);
@@ -415,7 +410,6 @@ next: 


const struct btrfs_compress_op btrfs_zlib_compress = {

	.workspace_manager	= &wsm,

	.init_workspace_manager	= zlib_init_workspace_manager,

	.cleanup_workspace_manager = zlib_cleanup_workspace_manager,

	.get_workspace		= zlib_get_workspace,

	.put_workspace		= zlib_put_workspace,

fs/btrfs/zstd.c

+1 −2
Original line number Diff line number Diff line
@@ -168,7 +168,7 @@ static void zstd_calc_ws_mem_sizes(void) 
	}

}



static void zstd_init_workspace_manager(void)

void zstd_init_workspace_manager(void)

{

	struct list_head *ws;

	int i;
@@ -709,7 +709,6 @@ finish: 
const struct btrfs_compress_op btrfs_zstd_compress = {

	/* ZSTD uses own workspace manager */

	.workspace_manager = NULL,

	.init_workspace_manager = zstd_init_workspace_manager,

	.cleanup_workspace_manager = zstd_cleanup_workspace_manager,

	.get_workspace = zstd_get_workspace,

	.put_workspace = zstd_put_workspace,

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