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journal: make sure to refresh window position and pointer after we linked up a data object

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This commit is contained in:
Lennart Poettering 2012-03-06 02:42:32 +01:00
parent 85eda5721f
commit 48496df65c
1 changed files with 16 additions and 7 deletions
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23
src/journal/journal-file.c
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@ -581,6 +581,8 @@ static int journal_file_link_data(JournalFile *f, Object *o, uint64_t offset, ui
assert(offset > 0);
assert(o->object.type == OBJECT_DATA);
/* This might alter the window we are looking at */
o->data.next_hash_offset = o->data.next_field_offset = 0;
o->data.entry_offset = o->data.entry_array_offset = 0;
o->data.n_entries = 0;
@ -591,18 +593,14 @@ static int journal_file_link_data(JournalFile *f, Object *o, uint64_t offset, ui
/* Only entry in the hash table is easy */
f->data_hash_table[h].head_hash_offset = htole64(offset);
} else {
/* Temporarily move back to the previous data object,
* to patch in pointer */
/* Move back to the previous data object, to patch in
* pointer */
r = journal_file_move_to_object(f, OBJECT_DATA, p, &o);
if (r < 0)
return r;
o->data.next_hash_offset = htole64(offset);
r = journal_file_move_to_object(f, OBJECT_DATA, offset, &o);
if (r < 0)
return r;
}
f->data_hash_table[h].tail_hash_offset = htole64(offset);
@ -614,6 +612,7 @@ int journal_file_find_data_object_with_hash(
JournalFile *f,
const void *data, uint64_t size, uint64_t hash,
Object **ret, uint64_t *offset) {
uint64_t p, osize, h;
int r;
@ -702,7 +701,11 @@ int journal_file_find_data_object(
ret, offset);
}
static int journal_file_append_data(JournalFile *f, const void *data, uint64_t size, Object **ret, uint64_t *offset) {
static int journal_file_append_data(
JournalFile *f,
const void *data, uint64_t size,
Object **ret, uint64_t *offset) {
uint64_t hash, p;
uint64_t osize;
Object *o;
@ -760,6 +763,12 @@ static int journal_file_append_data(JournalFile *f, const void *data, uint64_t s
if (r < 0)
return r;
/* The linking might have altered the window, so let's
* refresh our pointer */
r = journal_file_move_to_object(f, OBJECT_DATA, p, &o);
if (r < 0)
return r;
if (ret)
*ret = o;