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PROBE::NFS.AOP.W(3stap) Network File Storage Tapsets PROBE::NFS.AOP.W(3stap)

NAME

probe::nfs.aop.write_begin - NFS client begin to write data

SYNOPSIS

probe nfs.aop.write_begin {}

VALUES

page_index

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

ino

inode number

size

write bytes

__page

the address of page

to

end address of this write operation

offset

start address of this write operation

dev

device identifier

DESCRIPTION

Occurs when write operation occurs on nfs. It prepare a page for writing, look for a request corresponding to the page. If there is one, and it belongs to another file, it flush it out before it tries to copy anything into the page. Also do the same if it finds a request from an existing dropped page

SEE ALSO0

tapset::nfs(3stap)

September 2026 SystemTap Tapset Reference Ver