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Merge "Explain why snapuserd is a static binary."

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Treehugger Robot 2021-12-03 23:54:20 +00:00 committed by Gerrit Code Review
commit 4bf3c13dc5
1 changed files with 14 additions and 7 deletions
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21
fs_mgr/libsnapshot/snapuserd/Android.bp
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@ -61,12 +61,12 @@ cc_defaults {
"dm-snapshot-merge/snapuserd_worker.cpp",
"dm-snapshot-merge/snapuserd_readahead.cpp",
"snapuserd_daemon.cpp",
"snapuserd_buffer.cpp",
"user-space-merge/snapuserd_core.cpp",
"user-space-merge/snapuserd_dm_user.cpp",
"user-space-merge/snapuserd_merge.cpp",
"user-space-merge/snapuserd_readahead.cpp",
"user-space-merge/snapuserd_transitions.cpp",
"snapuserd_buffer.cpp",
"user-space-merge/snapuserd_core.cpp",
"user-space-merge/snapuserd_dm_user.cpp",
"user-space-merge/snapuserd_merge.cpp",
"user-space-merge/snapuserd_readahead.cpp",
"user-space-merge/snapuserd_transitions.cpp",
"user-space-merge/snapuserd_server.cpp",
],
@ -95,7 +95,14 @@ cc_binary {
init_rc: [
"snapuserd.rc",
],
// snapuserd is started during early boot by first-stage init. At that
// point, /system is mounted using the "dm-user" device-mapper kernel
// module. dm-user routes all I/O to userspace to be handled by
// snapuserd, which would lead to deadlock if we had to handle page
// faults for its code pages.
static_executable: true,
system_shared_libs: [],
ramdisk_available: true,
vendor_ramdisk_available: true,
@ -111,7 +118,7 @@ cc_test {
"dm-snapshot-merge/cow_snapuserd_test.cpp",
"dm-snapshot-merge/snapuserd.cpp",
"dm-snapshot-merge/snapuserd_worker.cpp",
"snapuserd_buffer.cpp",
"snapuserd_buffer.cpp",
],
cflags: [
"-Wall",