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       dev
13           device identifier
14
15       page_index
16           offset within mapping, can used a page identifier and position
17           identifier in the page frame
18
19       __page
20           the address of page
21
22       size
23           write bytes
24
25       to
26           end address of this write operation
27
28       ino
29           inode number
30
31       offset
32           start 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         June 2018           PROBE::NFS.AOP.W(3stap)
Impressum