link_path_walk: kill the recursion

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absolutely straightforward now - the only variables we need to preserve
across the recursive call are name, link and cookie, and recursion depth
is limited (and can is equal to nd->depth).  So arrange an array of
triples to hold instances of those and be done with that.

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

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Al Viro 2015-04-18 20:30:49 -04:00

parent bdf6cbf179

commit 32cd74685c

1 changed files with 29 additions and 11 deletions

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fs/namei.c

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