summaryrefslogtreecommitdiff
path: root/fs/btrfs/compression.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/btrfs/compression.h')
-rw-r--r--fs/btrfs/compression.h26
1 files changed, 9 insertions, 17 deletions
diff --git a/fs/btrfs/compression.h b/fs/btrfs/compression.h
index 954034086d0d..df198623cc08 100644
--- a/fs/btrfs/compression.h
+++ b/fs/btrfs/compression.h
@@ -72,16 +72,6 @@ struct compressed_bio {
struct btrfs_bio bbio;
};
-static inline unsigned int btrfs_compress_type(unsigned int type_level)
-{
- return (type_level & 0xF);
-}
-
-static inline unsigned int btrfs_compress_level(unsigned int type_level)
-{
- return ((type_level & 0xF0) >> 4);
-}
-
/* @range_end must be exclusive. */
static inline u32 btrfs_calc_input_length(u64 range_end, u64 cur)
{
@@ -93,7 +83,8 @@ static inline u32 btrfs_calc_input_length(u64 range_end, u64 cur)
int __init btrfs_init_compress(void);
void __cold btrfs_exit_compress(void);
-int btrfs_compress_folios(unsigned int type_level, struct address_space *mapping,
+bool btrfs_compress_level_valid(unsigned int type, int level);
+int btrfs_compress_folios(unsigned int type, int level, struct address_space *mapping,
u64 start, struct folio **folios, unsigned long *out_folios,
unsigned long *total_in, unsigned long *total_out);
int btrfs_decompress(int type, const u8 *data_in, struct folio *dest_folio,
@@ -107,7 +98,7 @@ void btrfs_submit_compressed_write(struct btrfs_ordered_extent *ordered,
bool writeback);
void btrfs_submit_compressed_read(struct btrfs_bio *bbio);
-unsigned int btrfs_compress_str2level(unsigned int type, const char *str);
+int btrfs_compress_str2level(unsigned int type, const char *str);
struct folio *btrfs_alloc_compr_folio(void);
void btrfs_free_compr_folio(struct folio *folio);
@@ -131,14 +122,15 @@ struct workspace_manager {
wait_queue_head_t ws_wait;
};
-struct list_head *btrfs_get_workspace(int type, unsigned int level);
+struct list_head *btrfs_get_workspace(int type, int level);
void btrfs_put_workspace(int type, struct list_head *ws);
struct btrfs_compress_op {
struct workspace_manager *workspace_manager;
/* Maximum level supported by the compression algorithm */
- unsigned int max_level;
- unsigned int default_level;
+ int min_level;
+ int max_level;
+ int default_level;
};
/* The heuristic workspaces are managed via the 0th workspace manager */
@@ -187,9 +179,9 @@ int zstd_decompress(struct list_head *ws, const u8 *data_in,
size_t destlen);
void zstd_init_workspace_manager(void);
void zstd_cleanup_workspace_manager(void);
-struct list_head *zstd_alloc_workspace(unsigned int level);
+struct list_head *zstd_alloc_workspace(int level);
void zstd_free_workspace(struct list_head *ws);
-struct list_head *zstd_get_workspace(unsigned int level);
+struct list_head *zstd_get_workspace(int level);
void zstd_put_workspace(struct list_head *ws);
#endif