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

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

9       nfs.aop.write_begin
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VALUES

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

42       tapset::nfs(3stap)
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46SystemTap Tapset Reference       November 2019         PROBE::NFS.AOP.W(3stap)
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