2. EL 7
  3. systemtap-client
  4. probe::nfs.aop.writepage(3stap)

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

NAME

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

SYNOPSIS

nfs.aop.writepage

VALUES

page_index

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

sb_flag

super block flags

i_flag

file flags

wsize

write size

size

number of pages to be written in this execution

i_size

file length in bytes

__page

the address of page

i_state

inode state flags

ino

inode number

dev

device identifier

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

DESCRIPTION

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

SEE ALSO0

tapset::nfs(3stap)

October 2018 SystemTap Tapset Reference