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       dev
13           device identifier
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15       ino
16           inode number
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18       __page
19           the address of page
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21       to
22           end address of this write operation
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24       size
25           write bytes
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27       page_index
28           offset within mapping, can used a page identifier and position
29           identifier in the page frame
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31       offset
32           start 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         May 2021            PROBE::NFS.AOP.W(3stap)
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