fast_dput(): new rules for refcount

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By now there is only one place in entire fast_dput() where we return
false; that happens after refcount had been decremented and found (under
->d_lock) to be zero.  In that case, just prior to returning false to
caller, fast_dput() forcibly changes the refcount from 0 to 1.

Lift that resetting refcount to 1 into the callers; later in the series
it will be massaged out of existence.

Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

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Al Viro 2023-10-30 00:11:58 -04:00

parent 504e08cebe

commit 15f23734a1

1 changed files with 2 additions and 7 deletions

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fs/dcache.c

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