btrfs: property: Set incompat flag if lzo/zstd compression is set
[sfrench/cifs-2.6.git] / fs / btrfs / props.c
index 53a8c95828e33a537525a193dfaf20e030505bbc..dc6140013ae8194739a8aa6a387f12c35794bdf9 100644 (file)
@@ -380,6 +380,7 @@ static int prop_compression_apply(struct inode *inode,
                                  const char *value,
                                  size_t len)
 {
+       struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
        int type;
 
        if (len == 0) {
@@ -390,14 +391,17 @@ static int prop_compression_apply(struct inode *inode,
                return 0;
        }
 
-       if (!strncmp("lzo", value, 3))
+       if (!strncmp("lzo", value, 3)) {
                type = BTRFS_COMPRESS_LZO;
-       else if (!strncmp("zlib", value, 4))
+               btrfs_set_fs_incompat(fs_info, COMPRESS_LZO);
+       } else if (!strncmp("zlib", value, 4)) {
                type = BTRFS_COMPRESS_ZLIB;
-       else if (!strncmp("zstd", value, len))
+       } else if (!strncmp("zstd", value, len)) {
                type = BTRFS_COMPRESS_ZSTD;
-       else
+               btrfs_set_fs_incompat(fs_info, COMPRESS_ZSTD);
+       } else {
                return -EINVAL;
+       }
 
        BTRFS_I(inode)->flags &= ~BTRFS_INODE_NOCOMPRESS;
        BTRFS_I(inode)->flags |= BTRFS_INODE_COMPRESS;