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| author | Alexey Dobriyan <adobriyan@gmail.com> | 2018-04-10 16:31:01 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-04-11 10:28:33 -0700 |
| commit | e7a6e291e30a00061c356bbcba0d9380943a1671 (patch) | |
| tree | 896f6dbe0a8e1b1aee688b4bd61da4cb21dd7ec4 /include | |
| parent | e74a0effffbbea75fe2b6770948f84fcb0917cdd (diff) | |
| download | linux-e7a6e291e30a00061c356bbcba0d9380943a1671.tar.gz linux-e7a6e291e30a00061c356bbcba0d9380943a1671.tar.bz2 linux-e7a6e291e30a00061c356bbcba0d9380943a1671.zip | |
proc: faster open/close of files without ->release hook
The whole point of code in fs/proc/inode.c is to make sure ->release
hook is called either at close() or at rmmod time.
All if it is unnecessary if there is no ->release hook.
Save allocation+list manipulations under spinlock in that case.
Link: http://lkml.kernel.org/r/20180214063033.GA15579@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions