Merge pull request #12434 from poettering/rm-rf-children-take-ptr

minor rm_rf_children() modernizations
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
2019-04-30 08:23:13 +02:00
committed by GitHub
2 changed files with 10 additions and 21 deletions
+8 -17
View File
@@ -33,8 +33,8 @@ int rm_rf_children(int fd, RemoveFlags flags, struct stat *root_dev) {
assert(fd >= 0);
/* This returns the first error we run into, but nevertheless
* tries to go on. This closes the passed fd. */
/* This returns the first error we run into, but nevertheless tries to go on. This closes the passed
* fd, in all cases, including on failure.. */
if (!(flags & REMOVE_PHYSICAL)) {
@@ -85,7 +85,7 @@ int rm_rf_children(int fd, RemoveFlags flags, struct stat *root_dev) {
is_dir = de->d_type == DT_DIR;
if (is_dir) {
int subdir_fd;
_cleanup_close_ int subdir_fd = -1;
/* if root_dev is set, remove subdirectories only if device is same */
if (root_dev && st.st_dev != root_dev->st_dev)
@@ -104,13 +104,10 @@ int rm_rf_children(int fd, RemoveFlags flags, struct stat *root_dev) {
if (ret == 0 && r != -ENOENT)
ret = r;
safe_close(subdir_fd);
continue;
}
if (r) {
safe_close(subdir_fd);
if (r > 0)
continue;
}
if ((flags & REMOVE_SUBVOLUME) && st.st_ino == 256) {
@@ -122,24 +119,18 @@ int rm_rf_children(int fd, RemoveFlags flags, struct stat *root_dev) {
if (ret == 0)
ret = r;
safe_close(subdir_fd);
continue;
}
/* ENOTTY, then it wasn't a
* btrfs subvolume, continue
* below. */
} else {
/* ENOTTY, then it wasn't a btrfs subvolume, continue below. */
} else
/* It was a subvolume, continue. */
safe_close(subdir_fd);
continue;
}
}
/* We pass REMOVE_PHYSICAL here, to avoid
* doing the fstatfs() to check the file
/* We pass REMOVE_PHYSICAL here, to avoid doing the fstatfs() to check the file
* system type again for each directory */
r = rm_rf_children(subdir_fd, flags | REMOVE_PHYSICAL, root_dev);
r = rm_rf_children(TAKE_FD(subdir_fd), flags | REMOVE_PHYSICAL, root_dev);
if (r < 0 && ret == 0)
ret = r;