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don't open-code d_rehash() in d_materialise_unique()

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... and get rid of duplicate BUG_ON() there

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2014-09-26 21:26:50 -04:00
parent 5cc3821b57
commit 8527dd7187
1 changed files with 1 additions and 5 deletions
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6
fs/dcache.c
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@ -2804,12 +2804,8 @@ struct dentry *d_materialise_unique(struct dentry *dentry, struct inode *inode)
actual = __d_instantiate_unique(dentry, inode);
if (!actual)
actual = dentry;
else
BUG_ON(!d_unhashed(actual));
spin_lock(&actual->d_lock);
_d_rehash(actual);
spin_unlock(&actual->d_lock);
d_rehash(actual);
found:
spin_unlock(&inode->i_lock);
out_nolock: