diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c index 1132d3cd8f33..438af59d3571 100644 --- a/fs/f2fs/compress.c +++ b/fs/f2fs/compress.c @@ -317,8 +317,6 @@ static const struct f2fs_compress_ops f2fs_lz4_ops = { #endif #ifdef CONFIG_F2FS_FS_ZSTD -#define F2FS_ZSTD_DEFAULT_CLEVEL 1 - static int zstd_init_compress_ctx(struct compress_ctx *cc) { zstd_parameters params; @@ -327,6 +325,7 @@ static int zstd_init_compress_ctx(struct compress_ctx *cc) unsigned int workspace_size; unsigned char level = F2FS_I(cc->inode)->i_compress_level; + /* Need to remain this for backward compatibility */ if (!level) level = F2FS_ZSTD_DEFAULT_CLEVEL; diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 5582a93d9190..94811085f9f3 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1440,6 +1440,8 @@ struct compress_data { #define F2FS_COMPRESSED_PAGE_MAGIC 0xF5F2C000 +#define F2FS_ZSTD_DEFAULT_CLEVEL 1 + #define COMPRESS_LEVEL_OFFSET 8 /* compress context */ diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 8efbb2e1b8b1..a3695adad3d3 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -589,14 +589,12 @@ static int f2fs_set_lz4hc_level(struct f2fs_sb_info *sbi, const char *str) { #ifdef CONFIG_F2FS_FS_LZ4HC unsigned int level; -#endif if (strlen(str) == 3) { - F2FS_OPTION(sbi).compress_level = 0; + F2FS_OPTION(sbi).compress_level = LZ4HC_DEFAULT_CLEVEL; return 0; } -#ifdef CONFIG_F2FS_FS_LZ4HC str += 3; if (str[0] != ':') { @@ -614,6 +612,10 @@ static int f2fs_set_lz4hc_level(struct f2fs_sb_info *sbi, const char *str) F2FS_OPTION(sbi).compress_level = level; return 0; #else + if (strlen(str) == 3) { + F2FS_OPTION(sbi).compress_level = 0; + return 0; + } f2fs_info(sbi, "kernel doesn't support lz4hc compression"); return -EINVAL; #endif @@ -627,7 +629,7 @@ static int f2fs_set_zstd_level(struct f2fs_sb_info *sbi, const char *str) int len = 4; if (strlen(str) == len) { - F2FS_OPTION(sbi).compress_level = 0; + F2FS_OPTION(sbi).compress_level = F2FS_ZSTD_DEFAULT_CLEVEL; return 0; } @@ -640,7 +642,7 @@ static int f2fs_set_zstd_level(struct f2fs_sb_info *sbi, const char *str) if (kstrtouint(str + 1, 10, &level)) return -EINVAL; - if (!level || level > zstd_max_clevel()) { + if (level < zstd_min_clevel() || level > zstd_max_clevel()) { f2fs_info(sbi, "invalid zstd compress level: %d", level); return -EINVAL; }