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bcachefs: opts.read_journal_only

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Add an option that tells recovery to only read the journal, to be used
by the list_journal command.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
This commit is contained in:
Kent Overstreet 2022-02-19 05:15:53 -05:00 committed by Kent Overstreet
parent 06a98c966f
commit 8ccf4dff09
2 changed files with 8 additions and 0 deletions
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5
fs/bcachefs/opts.h
View File

@ -329,6 +329,11 @@ enum opt_type {
OPT_BOOL(), \
NO_SB_OPT, false, \
NULL, "Read all journal entries, not just dirty ones")\
x(read_journal_only, u8, \
0, \
OPT_BOOL(), \
NO_SB_OPT, false, \
NULL, "Only read the journal, skip the rest of recovery")\
x(journal_transaction_names, u8, \
OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
OPT_BOOL(), \

3
fs/bcachefs/recovery.c
View File

@ -1072,6 +1072,9 @@ use_clean:
blacklist_seq = journal_seq = le64_to_cpu(clean->journal_seq) + 1;
}
if (c->opts.read_journal_only)
goto out;
if (c->opts.reconstruct_alloc) {
c->sb.compat &= ~(1ULL << BCH_COMPAT_alloc_info);
drop_alloc_keys(&c->journal_keys);