namei: make unlazy_walk and terminate_walk handle nd->stack, add unlazy_link

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We are almost done - primitives for leaving RCU mode are aware of nd->stack
now, a new primitive for going to non-RCU mode when we have a symlink on hands
added.

The thing we are heavily relying upon is that *any* unlazy failure will be
shortly followed by terminate_walk(), with no access to nameidata in between.
So it's enough to leave the things in a state terminate_walk() would cope with.

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

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Al Viro 2015-05-09 12:55:43 -04:00

parent 0450b2d120

commit 7973387a2f

1 changed files with 100 additions and 38 deletions

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fs/namei.c

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