diff options
| author | Pierre Lebleu <pme.lebleu@gmail.com> | 2018-05-23 10:55:57 +0200 |
|---|---|---|
| committer | John Crispin <john@phrozen.org> | 2018-05-24 09:40:35 +0200 |
| commit | 242248cb109d2ffac5962165b7d8f04abfd0e149 (patch) | |
| tree | 1c47275169579f7ba03b3e94d26dfaf24f4f6b3b | |
| parent | e24368361db166cf369a19cea773bd54f9d854b1 (diff) | |
| download | fstools-242248cb109d2ffac5962165b7d8f04abfd0e149.tar.gz | |
fstools: allow to compress the filesystem
In order to allow the mounting of the filesystem with the zlib compression,
a new CMake option (eg: CMAKE_OVL_MOUNT_COMPRESS_ZLIB) has been added.
Signed-off-by: Pierre Lebleu <pme.lebleu@gmail.com>
| -rw-r--r-- | CMakeLists.txt | 4 | ||||
| -rw-r--r-- | libfstools/overlay.c | 8 |
2 files changed, 11 insertions, 1 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 9e855bd..4844c03 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -52,6 +52,10 @@ INSTALL(FILES libubi/libubi-tiny.h libubi/libubi.h libubi/ubi-media.h DESTINATION include ) +IF(DEFINED CMAKE_OVL_MOUNT_COMPRESS_ZLIB) + ADD_DEFINITIONS(-DOVL_MOUNT_COMPRESS_ZLIB) +ENDIF(DEFINED CMAKE_OVL_MOUNT_COMPRESS_ZLIB) + ADD_EXECUTABLE(mount_root mount_root.c) TARGET_LINK_LIBRARIES(mount_root fstools) INSTALL(TARGETS mount_root RUNTIME DESTINATION sbin) diff --git a/libfstools/overlay.c b/libfstools/overlay.c index ebc43f7..068afdc 100644 --- a/libfstools/overlay.c +++ b/libfstools/overlay.c @@ -341,7 +341,13 @@ static int overlay_mount_fs(struct volume *v) return -1; } - if (mount(v->blk, "/tmp/overlay", fstype, MS_NOATIME, NULL)) { + if (mount(v->blk, "/tmp/overlay", fstype, MS_NOATIME, +#ifdef OVL_MOUNT_COMPRESS_ZLIB + "compr=zlib" +#else + NULL +#endif + )) { ULOG_ERR("failed to mount -t %s %s /tmp/overlay: %m\n", fstype, v->blk); return -1; |