btrfs: unexport btrfs_compress_set_level() (adbab642) · Commits · 戴 / test

fs/btrfs/compression.c

+16 −16

Original line number	Diff line number	Diff line
		@@ -1139,6 +1139,22 @@ static void put_workspace(int type, struct list_head *ws)
		}
		}

		/*
		* Adjust @level according to the limits of the compression algorithm or
		* fallback to default
		*/
		static unsigned int btrfs_compress_set_level(int type, unsigned level)
		{
		const struct btrfs_compress_op *ops = btrfs_compress_op[type];

		if (level == 0)
		level = ops->default_level;
		else
		level = min(level, ops->max_level);

		return level;
		}

		/*
		* Given an address space and start and length, compress the bytes into @pages
		* that are allocated on demand.
		@@ -1746,19 +1762,3 @@ unsigned int btrfs_compress_str2level(unsigned int type, const char *str)

		return level;
		}

		/*
		* Adjust @level according to the limits of the compression algorithm or
		* fallback to default
		*/
		unsigned int btrfs_compress_set_level(int type, unsigned level)
		{
		const struct btrfs_compress_op *ops = btrfs_compress_op[type];

		if (level == 0)
		level = ops->default_level;
		else
		level = min(level, ops->max_level);

		return level;
		}

+0 −2

Original line number	Diff line number	Diff line
		@@ -140,8 +140,6 @@ extern const struct btrfs_compress_op btrfs_zstd_compress;
		const char* btrfs_compress_type2str(enum btrfs_compression_type type);
		bool btrfs_compress_is_valid_type(const char *str, size_t len);

		unsigned int btrfs_compress_set_level(int type, unsigned level);

		int btrfs_compress_heuristic(struct inode *inode, u64 start, u64 end);

		#endif