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       size
13           write bytes
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15       to
16           end address of this write operation
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18       dev
19           device identifier
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21       page_index
22           offset within mapping, can used a page identifier and position
23           identifier in the page frame
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25       offset
26           start address of this write operation
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28       ino
29           inode number
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31       __page
32           the address of page
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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 2020         PROBE::NFS.AOP.W(3stap)
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