summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorJaegeuk Kim <jaegeuk@kernel.org>2023-06-12 21:58:34 +0200
committerJaegeuk Kim <jaegeuk@kernel.org>2023-06-26 15:07:09 +0200
commit00e120b5e4b5638cf19eee96d4332f2d100746ba (patch)
tree80c3f4c7402157468fc215ba70b6ca7d484a16ff
parentf2fs: introduce F2FS_QUOTA_DEFAULT_FL for cleanup (diff)
downloadlinux-00e120b5e4b5638cf19eee96d4332f2d100746ba.tar.xz
linux-00e120b5e4b5638cf19eee96d4332f2d100746ba.zip
f2fs: assign default compression level
Let's avoid any confusion from assigning compress_level=0 for LZ4HC and ZSTD. Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
-rw-r--r--fs/f2fs/compress.c3
-rw-r--r--fs/f2fs/f2fs.h2
-rw-r--r--fs/f2fs/super.c12
3 files changed, 10 insertions, 7 deletions
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;
}