ovl: ovl_obtain_alias(): don't call d_instantiate_anon() for old

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The situation is the same as for __d_obtain_alias() (which is what that
thing is parallel to) - if we find a preexisting alias, we want to grab it,
drop the inode and return the alias we'd found.

The only thing d_instantiate_anon() does compared to that is spurious
security_d_instiate() that has already been done to that dentry with exact
same arguments.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

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Al Viro 2019-10-24 02:06:45 +01:00 • committed by Miklos Szeredi

parent d80172c2d8

commit 504f38410a

1 changed files with 21 additions and 17 deletions

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36

fs/overlayfs/export.c

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