DOKK / manpages / debian 12 / systemtap-doc / probe::nfs.aop.writepage.3stap.en
PROBE::NFS.AOP.W(3stap) Network File Storage Tapsets PROBE::NFS.AOP.W(3stap)

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

nfs.aop.writepage 

wsize

write size

sb_flag

super block flags

page_index

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

i_flag

file flags

for_kupdate

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

for_reclaim

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

__page

the address of page

ino

inode number

i_state

inode state flags

i_size

file length in bytes

size

number of pages to be written in this execution

dev

device identifier

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

tapset::nfs(3stap)

November 2022 SystemTap Tapset Reference