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If JBD2_FEATURE_INCOMPAT_FAST_COMMIT bit is set, it means the journal have fast commit records need to recover, so the fast commit size should not be too large, and the leftover normal journal size should never less than JBD2_MIN_JOURNAL_BLOCKS. If it happens, the journal->j_last is likely to be wrong and will probably lead to incorrect journal recovery. So add a check into the journal_check_superblock(), and drop the pointless check when initializing the fastcommit parameters. Signed-off-by: Zhang Yi <yi.zhang@huawei.com> Reviewed-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230811063610.2980059-8-yi.zhang@huaweicloud.com Signed-off-by: Theodore Ts'o <tytso@mit.edu> |
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| .. | ||
| checkpoint.c | ||
| commit.c | ||
| journal.c | ||
| Kconfig | ||
| Makefile | ||
| recovery.c | ||
| revoke.c | ||
| transaction.c | ||