probe::nfs.aop.writepage.3stap - Man Page

nfs.aop.writepage

i_flag

file flags

i_size

file length in bytes

i_state

inode state flags

page_index

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

wsize

write size

sb_flag

super block flags

dev

device identifier

size

number of pages to be written in this execution

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

ino

inode number

__page

the address of page

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

tapset::nfs(3stap)