Squashfs: Add XZ compression configuration option

Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>

1 files changed, 7 insertions, 0 deletions

diff --git a/fs/squashfs/decompressor.c b/fs/squashfs/decompressor.c
index 24af9ce9722f..482d78197811 100644
--- a/fs/squashfs/decompressor.c
+++ b/fs/squashfs/decompressor.c
@@ -46,6 +46,12 @@ static const struct squashfs_decompressor squashfs_lzo_unsupported_comp_ops = {
 };
 #endif
 
+#ifndef CONFIG_SQUASHFS_XZ
+static const struct squashfs_decompressor squashfs_xz_comp_ops = {
+        NULL, NULL, NULL, XZ_COMPRESSION, "xz", 0
+};
+#endif
+
 static const struct squashfs_decompressor squashfs_unknown_comp_ops = {
         NULL, NULL, NULL, 0, "unknown", 0
 };
@@ -58,6 +64,7 @@ static const struct squashfs_decompressor *decompressor[] = {
 #else
         &squashfs_lzo_unsupported_comp_ops,
 #endif
+        &squashfs_xz_comp_ops,
         &squashfs_unknown_comp_ops
 };