diff --git a/fs/ext4/ext4_journal.c b/fs/ext4/ext4_journal.c index 6adbab93a6..3559daf11d 100644 --- a/fs/ext4/ext4_journal.c +++ b/fs/ext4/ext4_journal.c @@ -645,6 +645,10 @@ void ext4fs_update_journal(void) struct ext_filesystem *fs = get_fs(); long int blknr; int i; + + if (!(fs->sb->feature_compatibility & EXT4_FEATURE_COMPAT_HAS_JOURNAL)) + return; + ext4fs_read_inode(ext4fs_root, EXT2_JOURNAL_INO, &inode_journal); blknr = read_allocated_block(&inode_journal, jrnl_blk_idx++, NULL); update_descriptor_block(blknr); diff --git a/fs/ext4/ext4_journal.h b/fs/ext4/ext4_journal.h index c9cf195f33..43fb8e7664 100644 --- a/fs/ext4/ext4_journal.h +++ b/fs/ext4/ext4_journal.h @@ -17,6 +17,8 @@ #ifndef __EXT4_JRNL__ #define __EXT4_JRNL__ +#define EXT4_FEATURE_COMPAT_HAS_JOURNAL 0x0004 + #define EXT2_JOURNAL_INO 8 /* Journal inode */ #define EXT2_JOURNAL_SUPERBLOCK 0 /* Journal Superblock number */