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journal: drop _packed_ attribute in a few places

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The justification is the safe as for the grandparent commit.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2019-01-27 18:04:22 +01:00
parent 6b68c26824
commit 62353f69cc
2 changed files with 66 additions and 52 deletions
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2
TODO
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@ -1114,3 +1114,5 @@ Regularly:
* use secure_getenv() instead of getenv() where appropriate
* link up selected blog stories from man pages and unit files Documentation= fields
String is not UTF-8 clean, ignoring assignment
timedatex.service: Consumed 26ms CPU time.

116
src/journal/journal-def.h
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@ -59,16 +59,20 @@ struct ObjectHeader {
uint8_t payload[];
} _packed_;
struct DataObject {
ObjectHeader object;
le64_t hash;
le64_t next_hash_offset;
le64_t next_field_offset;
le64_t entry_offset; /* the first array entry we store inline */
le64_t entry_array_offset;
le64_t n_entries;
uint8_t payload[];
} _packed_;
#define DataObject__contents { \
ObjectHeader object; \
le64_t hash; \
le64_t next_hash_offset; \
le64_t next_field_offset; \
le64_t entry_offset; /* the first array entry we store inline */ \
le64_t entry_array_offset; \
le64_t n_entries; \
uint8_t payload[]; \
}
struct DataObject DataObject__contents;
struct DataObject__packed DataObject__contents _packed_;
assert_cc(sizeof(struct DataObject) == sizeof(struct DataObject__packed));
struct FieldObject {
ObjectHeader object;
@ -83,15 +87,20 @@ struct EntryItem {
le64_t hash;
} _packed_;
struct EntryObject {
ObjectHeader object;
le64_t seqnum;
le64_t realtime;
le64_t monotonic;
sd_id128_t boot_id;
le64_t xor_hash;
EntryItem items[];
} _packed_;
#define EntryObject__contents { \
ObjectHeader object; \
le64_t seqnum; \
le64_t realtime; \
le64_t monotonic; \
sd_id128_t boot_id; \
le64_t xor_hash; \
EntryItem items[]; \
}
struct EntryObject EntryObject__contents;
struct EntryObject__packed EntryObject__contents _packed_;
assert_cc(sizeof(struct EntryObject) == sizeof(struct EntryObject__packed));
struct HashItem {
le64_t head_hash_offset;
@ -166,40 +175,43 @@ enum {
#define HEADER_SIGNATURE ((char[]) { 'L', 'P', 'K', 'S', 'H', 'H', 'R', 'H' })
struct Header {
uint8_t signature[8]; /* "LPKSHHRH" */
le32_t compatible_flags;
le32_t incompatible_flags;
uint8_t state;
uint8_t reserved[7];
sd_id128_t file_id;
sd_id128_t machine_id;
sd_id128_t boot_id; /* last writer */
sd_id128_t seqnum_id;
le64_t header_size;
le64_t arena_size;
le64_t data_hash_table_offset;
le64_t data_hash_table_size;
le64_t field_hash_table_offset;
le64_t field_hash_table_size;
le64_t tail_object_offset;
le64_t n_objects;
le64_t n_entries;
le64_t tail_entry_seqnum;
le64_t head_entry_seqnum;
le64_t entry_array_offset;
le64_t head_entry_realtime;
le64_t tail_entry_realtime;
le64_t tail_entry_monotonic;
/* Added in 187 */
le64_t n_data;
le64_t n_fields;
/* Added in 189 */
le64_t n_tags;
le64_t n_entry_arrays;
#define struct_Header__contents { \
uint8_t signature[8]; /* "LPKSHHRH" */ \
le32_t compatible_flags; \
le32_t incompatible_flags; \
uint8_t state; \
uint8_t reserved[7]; \
sd_id128_t file_id; \
sd_id128_t machine_id; \
sd_id128_t boot_id; /* last writer */ \
sd_id128_t seqnum_id; \
le64_t header_size; \
le64_t arena_size; \
le64_t data_hash_table_offset; \
le64_t data_hash_table_size; \
le64_t field_hash_table_offset; \
le64_t field_hash_table_size; \
le64_t tail_object_offset; \
le64_t n_objects; \
le64_t n_entries; \
le64_t tail_entry_seqnum; \
le64_t head_entry_seqnum; \
le64_t entry_array_offset; \
le64_t head_entry_realtime; \
le64_t tail_entry_realtime; \
le64_t tail_entry_monotonic; \
/* Added in 187 */ \
le64_t n_data; \
le64_t n_fields; \
/* Added in 189 */ \
le64_t n_tags; \
le64_t n_entry_arrays; \
}
/* Size: 240 */
} _packed_;
struct Header struct_Header__contents;
struct Header__packed struct_Header__contents _packed_;
assert_cc(sizeof(struct Header) == sizeof(struct Header__packed));
assert_cc(sizeof(struct Header) == 240);
#define FSS_HEADER_SIGNATURE ((char[]) { 'K', 'S', 'H', 'H', 'R', 'H', 'L', 'P' })