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new helper: inode_fake_hash()

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open-coded in a quite a few places...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2018-06-29 19:36:57 -04:00
parent e950564b97
commit 5bef915104
5 changed files with 15 additions and 10 deletions
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11
include/linux/fs.h
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@ -684,6 +684,17 @@ static inline int inode_unhashed(struct inode *inode)
return hlist_unhashed(&inode->i_hash);
}
/*
* __mark_inode_dirty expects inodes to be hashed. Since we don't
* want special inodes in the fileset inode space, we make them
* appear hashed, but do not put on any lists. hlist_del()
* will work fine and require no locking.
*/
static inline void inode_fake_hash(struct inode *inode)
{
hlist_add_fake(&inode->i_hash);
}
/*
* inode->i_mutex nesting subclasses for the lock validator:
*