get rid of trylock loop around dentry_kill()

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In case when trylock in there fails, deal with it directly in
dentry_kill().  Note that in cases when we drop and retake
->d_lock, we need to recheck whether to retain the dentry.
Another thing is that dropping/retaking ->d_lock might have
ended up with negative dentry turning into positive; that,
of course, can happen only once...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

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Al Viro 2018-02-23 21:25:42 -05:00

parent 62d9956cef

commit f657a666fd

1 changed files with 27 additions and 7 deletions

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34

fs/dcache.c

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