It is very easy to miss places that rely on a certain bitshifting for
decoding the type_level overloading. Add helpers to do this instead.
Cc: Omar Sandoval <osandov@osandov.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Dennis Zhou <dennis@kernel.org>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
unsigned long *total_in,
unsigned long *total_out)
{
+ int type = btrfs_compress_type(type_level);
struct list_head *workspace;
int ret;
- int type = type_level & 0xF;
workspace = find_workspace(type);
u32 sums;
};
+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);
+}
+
void __init btrfs_init_compress(void);
void __cold btrfs_exit_compress(void);
static void zlib_set_level(struct list_head *ws, unsigned int type)
{
struct workspace *workspace = list_entry(ws, struct workspace, list);
- unsigned level = (type & 0xF0) >> 4;
+ unsigned int level = btrfs_compress_level(type);
if (level > 9)
level = 9;