probe::nfs.aop.writepages(3stap)

Usage

nfs.aop.writepages

wsize

write size

dev

device identifier

for_reclaim

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

wpages

write size (in pages)

ino

inode number

nr_to_write

number of pages attempted to be written in this execution

for_kupdate

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

size

number of pages attempted to be written in this execution

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