1PROBE::NFS.AOP.W(3stap) Network File Storage Tapsets PROBE::NFS.AOP.W(3stap)
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6 probe::nfs.aop.writepage - NFS client writing a mapped page to the NFS
7 server
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10 nfs.aop.writepage
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13 wsize
14 write size
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16 i_state
17 inode state flags
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19 for_kupdate
20 a flag of writeback_control, indicates if it's a kupdate writeback
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22 page_index
23 offset within mapping, can used a page identifier and position
24 identifier in the page frame
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26 dev
27 device identifier
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29 for_reclaim
30 a flag of writeback_control, indicates if it's invoked from the
31 page allocator
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33 size
34 number of pages to be written in this execution
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36 __page
37 the address of page
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39 sb_flag
40 super block flags
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42 ino
43 inode number
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45 i_size
46 file length in bytes
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48 i_flag
49 file flags
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52 The priority of wb is decided by the flags for_reclaim and for_kupdate.
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55 tapset::nfs(3stap)
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59SystemTap Tapset Reference May 2019 PROBE::NFS.AOP.W(3stap)