1*4882a593SmuzhiyunWhat: /sys/fs/xfs/<disk>/log/log_head_lsn 2*4882a593SmuzhiyunDate: July 2014 3*4882a593SmuzhiyunKernelVersion: 3.17 4*4882a593SmuzhiyunContact: xfs@oss.sgi.com 5*4882a593SmuzhiyunDescription: 6*4882a593Smuzhiyun The log sequence number (LSN) of the current head of the 7*4882a593Smuzhiyun log. The LSN is exported in "cycle:basic block" format. 8*4882a593SmuzhiyunUsers: xfstests 9*4882a593Smuzhiyun 10*4882a593SmuzhiyunWhat: /sys/fs/xfs/<disk>/log/log_tail_lsn 11*4882a593SmuzhiyunDate: July 2014 12*4882a593SmuzhiyunKernelVersion: 3.17 13*4882a593SmuzhiyunContact: xfs@oss.sgi.com 14*4882a593SmuzhiyunDescription: 15*4882a593Smuzhiyun The log sequence number (LSN) of the current tail of the 16*4882a593Smuzhiyun log. The LSN is exported in "cycle:basic block" format. 17*4882a593Smuzhiyun 18*4882a593SmuzhiyunWhat: /sys/fs/xfs/<disk>/log/reserve_grant_head 19*4882a593SmuzhiyunDate: July 2014 20*4882a593SmuzhiyunKernelVersion: 3.17 21*4882a593SmuzhiyunContact: xfs@oss.sgi.com 22*4882a593SmuzhiyunDescription: 23*4882a593Smuzhiyun The current state of the log reserve grant head. It 24*4882a593Smuzhiyun represents the total log reservation of all currently 25*4882a593Smuzhiyun outstanding transactions. The grant head is exported in 26*4882a593Smuzhiyun "cycle:bytes" format. 27*4882a593SmuzhiyunUsers: xfstests 28*4882a593Smuzhiyun 29*4882a593SmuzhiyunWhat: /sys/fs/xfs/<disk>/log/write_grant_head 30*4882a593SmuzhiyunDate: July 2014 31*4882a593SmuzhiyunKernelVersion: 3.17 32*4882a593SmuzhiyunContact: xfs@oss.sgi.com 33*4882a593SmuzhiyunDescription: 34*4882a593Smuzhiyun The current state of the log write grant head. It 35*4882a593Smuzhiyun represents the total log reservation of all currently 36*4882a593Smuzhiyun oustanding transactions, including regrants due to 37*4882a593Smuzhiyun rolling transactions. The grant head is exported in 38*4882a593Smuzhiyun "cycle:bytes" format. 39*4882a593SmuzhiyunUsers: xfstests 40