AcoSail/kernel_optimize_test
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open_last_lookups(): don't abuse complete_walk() when all we want is unlazy

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2020-03-10 10:09:26 -04:00
parent f7bb959d96
commit 72287417ab
1 changed files with 5 additions and 9 deletions
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14
fs/namei.c
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@ -3147,15 +3147,11 @@ static const char *open_last_lookups(struct nameidata *nd,
BUG_ON(nd->flags & LOOKUP_RCU);
} else {
/* create side of things */
/*
* This will *only* deal with leaving RCU mode - LOOKUP_JUMPED
* has been cleared when we got to the last component we are
* about to look up
*/
error = complete_walk(nd);
if (unlikely(error))
return ERR_PTR(error);
if (nd->flags & LOOKUP_RCU) {
error = unlazy_walk(nd);
if (unlikely(error))
return ERR_PTR(error);
}
audit_inode(nd->name, dir, AUDIT_INODE_PARENT);
/* trailing slashes? */
if (unlikely(nd->last.name[nd->last.len]))