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| author | Al Viro <viro@zeniv.linux.org.uk> | 2010-10-23 15:23:40 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2010-10-25 21:24:15 -0400 |
| commit | 756acc2d61712a8cafe2aa6ad626c60a185d3645 (patch) | |
| tree | 72473307f7789b2dafa4b7ca2facc6427f83a283 /include/linux/list.h | |
| parent | 1d3382cbf02986e4833849f528d451367ea0b4cb (diff) | |
| download | lwn-756acc2d61712a8cafe2aa6ad626c60a185d3645.tar.gz lwn-756acc2d61712a8cafe2aa6ad626c60a185d3645.zip | |
list.h: new helper - hlist_add_fake()
Make node look as if it was on hlist, with hlist_del()
working correctly. Usable without any locking...
Convert a couple of places where we want to do that to
inode->i_hash.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/linux/list.h')
| -rw-r--r-- | include/linux/list.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/list.h b/include/linux/list.h index 88a000617d77..9a5f8a71810c 100644 --- a/include/linux/list.h +++ b/include/linux/list.h @@ -636,6 +636,12 @@ static inline void hlist_add_after(struct hlist_node *n, next->next->pprev = &next->next; } +/* after that we'll appear to be on some hlist and hlist_del will work */ +static inline void hlist_add_fake(struct hlist_node *n) +{ + n->pprev = &n->next; +} + /* * Move a list from one list head to another. Fixup the pprev * reference of the first entry if it exists. |