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Improve the description of proc in file-ops

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Currently, the description of the proc_ops in the file operation section
will confuse the reader with registering the device. Add more hints to
avoid it.
This commit is contained in:
linD026 2022-09-08 08:24:47 +08:00
parent 637e707a1a
commit 9db8c92cf5
1 changed files with 2 additions and 1 deletions
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lkmpg.tex
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@ -954,7 +954,8 @@ An instance of \cpp|struct file_operations| containing pointers to functions tha
Since Linux v3.14, the read, write and seek operations are guaranteed for thread-safe by using the \cpp|f_pos| specific lock, which makes the file position update to become the mutual exclusion.
So, we can safely implement those operations without unnecessary locking.
Since Linux v5.6, the \cpp|proc_ops| structure was introduced to replace the use of the \cpp|file_operations| structure when registering proc handlers.
Additionally, since Linux v5.6, the \cpp|proc_ops| structure was introduced to replace the use of the \cpp|file_operations| structure when registering proc handlers.
See more information in the \ref{sec:proc_ops} section.
\subsection{The file structure}
\label{sec:file_struct}