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