"...0d0cea2424ae97b27447dc64a7dbfae83c036c45b403392f0e8ba.png" did not exist on "a8241c63517ec0b900695daa9003cddc41c536a1"
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>
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