return r;
}
-int journal_file_rotate(JournalFile **f, bool compress, uint64_t compress_threshold_bytes, bool seal, Set *deferred_closes) {
+int journal_file_archive(JournalFile *f) {
_cleanup_free_ char *p = NULL;
- size_t l;
- JournalFile *old_file, *new_file = NULL;
- int r;
assert(f);
- assert(*f);
- old_file = *f;
-
- if (!old_file->writable)
+ if (!f->writable)
return -EINVAL;
/* Is this a journal file that was passed to us as fd? If so, we synthesized a path name for it, and we refuse
* rotation, since we don't know the actual path, and couldn't rename the file hence. */
- if (path_startswith(old_file->path, "/proc/self/fd"))
+ if (path_startswith(f->path, "/proc/self/fd"))
return -EINVAL;
- if (!endswith(old_file->path, ".journal"))
+ if (!endswith(f->path, ".journal"))
return -EINVAL;
- l = strlen(old_file->path);
- r = asprintf(&p, "%.*s@" SD_ID128_FORMAT_STR "-%016"PRIx64"-%016"PRIx64".journal",
- (int) l - 8, old_file->path,
- SD_ID128_FORMAT_VAL(old_file->header->seqnum_id),
- le64toh((*f)->header->head_entry_seqnum),
- le64toh((*f)->header->head_entry_realtime));
- if (r < 0)
+ if (asprintf(&p, "%.*s@" SD_ID128_FORMAT_STR "-%016"PRIx64"-%016"PRIx64".journal",
+ (int) strlen(f->path) - 8, f->path,
+ SD_ID128_FORMAT_VAL(f->header->seqnum_id),
+ le64toh(f->header->head_entry_seqnum),
+ le64toh(f->header->head_entry_realtime)) < 0)
return -ENOMEM;
- /* Try to rename the file to the archived version. If the file
- * already was deleted, we'll get ENOENT, let's ignore that
- * case. */
- r = rename(old_file->path, p);
- if (r < 0 && errno != ENOENT)
+ /* Try to rename the file to the archived version. If the file already was deleted, we'll get ENOENT, let's
+ * ignore that case. */
+ if (rename(f->path, p) < 0 && errno != ENOENT)
return -errno;
/* Sync the rename to disk */
- (void) fsync_directory_of_file(old_file->fd);
-
- /* Set as archive so offlining commits w/state=STATE_ARCHIVED.
- * Previously we would set old_file->header->state to STATE_ARCHIVED directly here,
- * but journal_file_set_offline() short-circuits when state != STATE_ONLINE, which
- * would result in the rotated journal never getting fsync() called before closing.
- * Now we simply queue the archive state by setting an archive bit, leaving the state
- * as STATE_ONLINE so proper offlining occurs. */
- old_file->archive = true;
-
- /* Currently, btrfs is not very good with out write patterns
- * and fragments heavily. Let's defrag our journal files when
- * we archive them */
- old_file->defrag_on_close = true;
-
- r = journal_file_open(-1, old_file->path, old_file->flags, old_file->mode, compress,
- compress_threshold_bytes, seal, NULL, old_file->mmap, deferred_closes,
- old_file, &new_file);
-
- if (deferred_closes &&
- set_put(deferred_closes, old_file) >= 0)
- (void) journal_file_set_offline(old_file, false);
- else
- (void) journal_file_close(old_file);
+ (void) fsync_directory_of_file(f->fd);
+
+ /* Set as archive so offlining commits w/state=STATE_ARCHIVED. Previously we would set old_file->header->state
+ * to STATE_ARCHIVED directly here, but journal_file_set_offline() short-circuits when state != STATE_ONLINE,
+ * which would result in the rotated journal never getting fsync() called before closing. Now we simply queue
+ * the archive state by setting an archive bit, leaving the state as STATE_ONLINE so proper offlining
+ * occurs. */
+ f->archive = true;
+
+ /* Currently, btrfs is not very good with out write patterns and fragments heavily. Let's defrag our journal
+ * files when we archive them */
+ f->defrag_on_close = true;
+
+ return 0;
+}
+
+JournalFile* journal_initiate_close(
+ JournalFile *f,
+ Set *deferred_closes) {
+
+ int r;
+
+ assert(f);
+
+ if (deferred_closes) {
+ r = set_put(deferred_closes, f);
+ if (r < 0)
+ log_debug_errno(r, "Failed to add file to deferred close set, closing immediately.");
+ else {
+ (void) journal_file_set_offline(f, false);
+ return NULL;
+ }
+ }
+
+ return journal_file_close(f);
+}
+
+int journal_file_rotate(
+ JournalFile **f,
+ bool compress,
+ uint64_t compress_threshold_bytes,
+ bool seal,
+ Set *deferred_closes) {
+
+ JournalFile *new_file = NULL;
+ int r;
+
+ assert(f);
+ assert(*f);
+
+ r = journal_file_archive(*f);
+ if (r < 0)
+ return r;
+
+ r = journal_file_open(
+ -1,
+ (*f)->path,
+ (*f)->flags,
+ (*f)->mode,
+ compress,
+ compress_threshold_bytes,
+ seal,
+ NULL, /* metrics */
+ (*f)->mmap,
+ deferred_closes,
+ *f, /* template */
+ &new_file);
+
+ journal_initiate_close(*f, deferred_closes);
*f = new_file;
+
return r;
}