FM / log

/sys/fs/xfs/vda3/log

Name	Size	Mode	Actions
log_head_lsn	4096	0444	edit dl rm
log_tail_lsn	4096	0444	edit dl rm
reserve_grant_head	4096	0444	edit dl rm
write_grant_head	4096	0444	edit dl rm

Edit: /sys/fs/xfs/vda3/log/log_head_lsn (4096B)

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