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boot: suppress XBOOTLDR if same device as ESP when enumerating entries

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On my local system I linked up the ESP and XBOOTLDR partitions, and
ended up with duplicate entries being listed. Try hard to detect that
and only enumerate entries in the ESP if it turns out that both dirs
have the same dev_t.

This should detect both bind mounted and symlinked cases and should make
our list output less confusing.
This commit is contained in:
Lennart Poettering
2022-02-14 16:24:04 +01:00
parent 5635040091
commit f63b5ad935
5 changed files with 115 additions and 39 deletions
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src/shared/bootspec.h
+2 -2
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@@ -91,5 +91,5 @@ static inline const char* boot_entry_title(const BootEntry *entry) {
return entry->show_title ?: entry->title ?: entry->id;
}
int find_esp_and_warn(const char *path, bool unprivileged_mode, char **ret_path, uint32_t *ret_part, uint64_t *ret_pstart, uint64_t *ret_psize, sd_id128_t *ret_uuid);
int find_xbootldr_and_warn(const char *path, bool unprivileged_mode, char **ret_path,sd_id128_t *ret_uuid);
int find_esp_and_warn(const char *path, bool unprivileged_mode, char **ret_path, uint32_t *ret_part, uint64_t *ret_pstart, uint64_t *ret_psize, sd_id128_t *ret_uuid, dev_t *ret_devid);
int find_xbootldr_and_warn(const char *path, bool unprivileged_mode, char **ret_path,sd_id128_t *ret_uuid, dev_t *ret_devid);