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-rw-r--r--fs/ubifs/compress.c27
1 files changed, 26 insertions, 1 deletions
diff --git a/fs/ubifs/compress.c b/fs/ubifs/compress.c
index 99c53ad11e93..3a92e6af69b2 100644
--- a/fs/ubifs/compress.c
+++ b/fs/ubifs/compress.c
@@ -59,6 +59,24 @@ static struct ubifs_compressor zlib_compr = {
};
#endif
+#ifdef CONFIG_UBIFS_FS_ZSTD
+static DEFINE_MUTEX(zstd_enc_mutex);
+static DEFINE_MUTEX(zstd_dec_mutex);
+
+static struct ubifs_compressor zstd_compr = {
+ .compr_type = UBIFS_COMPR_ZSTD,
+ .comp_mutex = &zstd_enc_mutex,
+ .decomp_mutex = &zstd_dec_mutex,
+ .name = "zstd",
+ .capi_name = "zstd",
+};
+#else
+static struct ubifs_compressor zstd_compr = {
+ .compr_type = UBIFS_COMPR_ZSTD,
+ .name = "zstd",
+};
+#endif
+
/* All UBIFS compressors */
struct ubifs_compressor *ubifs_compressors[UBIFS_COMPR_TYPES_CNT];
@@ -216,13 +234,19 @@ int __init ubifs_compressors_init(void)
if (err)
return err;
- err = compr_init(&zlib_compr);
+ err = compr_init(&zstd_compr);
if (err)
goto out_lzo;
+ err = compr_init(&zlib_compr);
+ if (err)
+ goto out_zstd;
+
ubifs_compressors[UBIFS_COMPR_NONE] = &none_compr;
return 0;
+out_zstd:
+ compr_exit(&zstd_compr);
out_lzo:
compr_exit(&lzo_compr);
return err;
@@ -235,4 +259,5 @@ void ubifs_compressors_exit(void)
{
compr_exit(&lzo_compr);
compr_exit(&zlib_compr);
+ compr_exit(&zstd_compr);
}