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What: /sys/fs/xfs/<disk>/log/log_head_lsn
Date: July 2014
KernelVersion: 3.17
Contact: linux-xfs@vger.kernel.org
Description:
The log sequence number (LSN) of the current head of the
log. The LSN is exported in "cycle:basic block" format.
Users: xfstests
What: /sys/fs/xfs/<disk>/log/log_tail_lsn
Date: July 2014
KernelVersion: 3.17
Contact: linux-xfs@vger.kernel.org
Description:
The log sequence number (LSN) of the current tail of the
log. The LSN is exported in "cycle:basic block" format.
What: /sys/fs/xfs/<disk>/log/reserve_grant_head_bytes
Date: June 2024
KernelVersion: 6.11
Contact: linux-xfs@vger.kernel.org
Description:
The current state of the log reserve grant head. It
represents the total log reservation of all currently
outstanding transactions in bytes.
Users: xfstests
What: /sys/fs/xfs/<disk>/log/write_grant_head_bytes
Date: June 2024
KernelVersion: 6.11
Contact: linux-xfs@vger.kernel.org
Description:
The current state of the log write grant head. It
represents the total log reservation of all currently
outstanding transactions, including regrants due to
rolling transactions in bytes.
Users: xfstests
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