1PROBE::NFS.AOP.W(3stap)  Network File Storage Tapsets  PROBE::NFS.AOP.W(3stap)
2
3
4

NAME

6       probe::nfs.aop.write_begin - NFS client begin to write data
7

SYNOPSIS

9       nfs.aop.write_begin
10

VALUES

12       __page
13           the address of page
14
15       ino
16           inode number
17
18       dev
19           device identifier
20
21       page_index
22           offset within mapping, can used a page identifier and position
23           identifier in the page frame
24
25       offset
26           start address of this write operation
27
28       size
29           write bytes
30
31       to
32           end address of this write operation
33

DESCRIPTION

35       Occurs when write operation occurs on nfs. It prepare a page for
36       writing, look for a request corresponding to the page. If there is one,
37       and it belongs to another file, it flush it out before it tries to copy
38       anything into the page. Also do the same if it finds a request from an
39       existing dropped page
40

SEE ALSO

42       tapset::nfs(3stap)
43
44
45
46SystemTap Tapset Reference       October 2018          PROBE::NFS.AOP.W(3stap)
Impressum