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fix: set uid/gid for directory entries in cas_getattr and add sudo to README #5

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Merged
Zhihaoi merged 2 commits into from
May 24, 2026
+8 −2
Merged

fix: set uid/gid for directory entries in cas_getattr and add sudo to README #5

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321f87e
fix: set st_uid/st_gid for root and Tree entries in cas_getattr
haoren3696 May 24, 2026
66d17a3
fix: add sudo to dnf install command in README
haoren3696 May 24, 2026
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2 changes: 1 addition & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -95,7 +95,7 @@ sudo cmake --install build

```bash
# Linux (openEuler)
dnf install -y cmake clang fuse3-devel bpftool libbpf-devel
sudo dnf install -y cmake clang fuse3-devel bpftool libbpf-devel
cmake -B build && cmake --build build -j
sudo cmake --install build
./start.sh /path/to/project
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4 changes: 3 additions & 1 deletion src/cas/platform/linux/fuse_adapter.cpp
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Expand Up @@ -51,6 +51,8 @@ static int cas_getattr(const char* path, struct stat* st, struct fuse_file_info*
if (std::strcmp(path, "/") == 0) {
st->st_mode = S_IFDIR | 0755;
st->st_nlink = 2;
st->st_uid = fuse_get_context()->uid;
st->st_gid = fuse_get_context()->gid;
return 0;
}

Expand All @@ -60,7 +62,7 @@ static int cas_getattr(const char* path, struct stat* st, struct fuse_file_info*

switch (entry->kind) {
case EntryKind::Blob: st->st_mode = S_IFREG | (entry->mode & 07777); break;
case EntryKind::Tree: st->st_mode = S_IFDIR | (entry->mode & 07777); st->st_nlink = 2; return 0;
case EntryKind::Tree: st->st_mode = S_IFDIR | (entry->mode & 07777); st->st_nlink = 2; st->st_uid = fuse_get_context()->uid; st->st_gid = fuse_get_context()->gid; return 0;
case EntryKind::Symlink: st->st_mode = S_IFLNK | 0777; break;
default: return -ENOENT;
}
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4 changes: 4 additions & 0 deletions src/cas/platform/macos/fuse_t_adapter.cpp
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Expand Up @@ -64,6 +64,8 @@ static int cas_getattr(const char* path, struct stat* st) {
if (std::strcmp(path, "/") == 0) {
st->st_mode = S_IFDIR | 0755;
st->st_nlink = 2;
st->st_uid = fuse_get_context()->uid;
st->st_gid = fuse_get_context()->gid;
return 0;
}

Expand All @@ -77,6 +79,8 @@ static int cas_getattr(const char* path, struct stat* st) {
case EntryKind::Tree:
st->st_mode = S_IFDIR | (entry->mode & 07777);
st->st_nlink = 2;
st->st_uid = fuse_get_context()->uid;
st->st_gid = fuse_get_context()->gid;
return 0;
case EntryKind::Symlink:
st->st_mode = S_IFLNK | 0777; break;
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