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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2020-06-13 18:43:14 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-22 17:08:41 -0400 |
| commit | 7fffc85baf1fa176560a546a0625efc549969ce4 (patch) | |
| tree | 4edec775eea6e753b6dd1772a4992bf9f664ab29 /fs/bcachefs/journal_io.c | |
| parent | bd2bb273a09b93e2a7d79d30458ab5f6f0b3757a (diff) | |
| download | lwn-7fffc85baf1fa176560a546a0625efc549969ce4.tar.gz lwn-7fffc85baf1fa176560a546a0625efc549969ce4.zip | |
bcachefs: Add an internal option for reading entire journal
To be used the debug tool that dumps the contents of the journal.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/journal_io.c')
| -rw-r--r-- | fs/bcachefs/journal_io.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/fs/bcachefs/journal_io.c b/fs/bcachefs/journal_io.c index 1724c80b323c..a1bae99aeaab 100644 --- a/fs/bcachefs/journal_io.c +++ b/fs/bcachefs/journal_io.c @@ -40,19 +40,21 @@ static int journal_entry_add(struct bch_fs *c, struct bch_dev *ca, list)->j.last_seq : 0; - /* Is this entry older than the range we need? */ - if (le64_to_cpu(j->seq) < le64_to_cpu(last_seq)) { - ret = JOURNAL_ENTRY_ADD_OUT_OF_RANGE; - goto out; - } + if (!c->opts.read_entire_journal) { + /* Is this entry older than the range we need? */ + if (le64_to_cpu(j->seq) < le64_to_cpu(last_seq)) { + ret = JOURNAL_ENTRY_ADD_OUT_OF_RANGE; + goto out; + } - /* Drop entries we don't need anymore */ - list_for_each_entry_safe(i, pos, jlist->head, list) { - if (le64_to_cpu(i->j.seq) >= le64_to_cpu(j->last_seq)) - break; - list_del(&i->list); - kvpfree(i, offsetof(struct journal_replay, j) + - vstruct_bytes(&i->j)); + /* Drop entries we don't need anymore */ + list_for_each_entry_safe(i, pos, jlist->head, list) { + if (le64_to_cpu(i->j.seq) >= le64_to_cpu(j->last_seq)) + break; + list_del(&i->list); + kvpfree(i, offsetof(struct journal_replay, j) + + vstruct_bytes(&i->j)); + } } list_for_each_entry_reverse(i, jlist->head, list) { |