Commit 72945058 authored by Zhang Yi's avatar Zhang Yi Committed by Theodore Ts'o
Browse files

ext4: add journal cycled recording support 



Always enable 'JBD2_CYCLE_RECORD' journal option on ext4, letting the
jbd2 continue to record new journal transactions from the recovered
journal head or the checkpointed transactions in the previous mount.

Signed-off-by: default avatarZhang Yi <yi.zhang@huawei.com>
Reviewed-by: default avatarJan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20230322013353.1843306-3-yi.zhang@huaweicloud.com


Signed-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
parent c7fc6055

fs/ext4/super.c

+5 −0
Original line number Diff line number Diff line
@@ -5738,6 +5738,11 @@ static void ext4_init_journal_params(struct super_block *sb, journal_t *journal) 
		journal->j_flags |= JBD2_ABORT_ON_SYNCDATA_ERR;

	else

		journal->j_flags &= ~JBD2_ABORT_ON_SYNCDATA_ERR;

	/*

	 * Always enable journal cycle record option, letting the journal

	 * records log transactions continuously between each mount.

	 */

	journal->j_flags |= JBD2_CYCLE_RECORD;

	write_unlock(&journal->j_state_lock);

}