probe::nfs.aop.writepage - NFS client writing a mapped page to the NFS server

       The priority of wb is decided by the flags for_reclaim and for_kupdate.

       probe::nfs.aop.writepage - NFS client writing a mapped page to the NFS server

tapset::nfs(3stap)

SystemTap Tapset Reference                         April 2024                            PROBE::NFS.AOP.W(3stap)

       nfs.aop.writepage

ino
           inode number

       i_state
           inode state flags

       page_index
           offset within mapping, can used a page identifier and position identifier in the page frame

       for_kupdate
           a flag of writeback_control, indicates if it's a kupdate writeback

       size
           number of pages to be written in this execution

       __page
           the address of page

       dev
           device identifier

       i_size
           file length in bytes

       wsize
           write size

       for_reclaim
           a flag of writeback_control, indicates if it's invoked from the page allocator

       sb_flag
           super block flags

       i_flag
           file flags