github-mirror/lkmpg
2
0
Fork 0
mirror of https://github.com/sysprog21/lkmpg.git synced 2024-11-22 14:48:25 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Merge pull request #164 from linD026/file-proc_ops

Browse Source 
Improve the description of proc in file-ops
This commit is contained in:
Jim Huang 2022-09-08 12:22:12 +08:00 committed by GitHub
commit 53c2794fdb
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
lkmpg.tex
View File

@ -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}