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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-05-19 11:00:06 +0400 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-05-19 11:00:06 +0400 |
| commit | 4c8440666b995f20604852b35dcfdbcc1d5931f1 (patch) | |
| tree | b3b6cd65ee275ba1adf9d2c050063f30ebbadb91 /include/linux/list_bl.h | |
| parent | 751e1f5099f1568444fe2485f2485ca541d4952e (diff) | |
| parent | c560bbceaf6b06e52f1ef20131b76a3fdc0a2c19 (diff) | |
| download | linux-4c8440666b995f20604852b35dcfdbcc1d5931f1.tar.xz | |
Merge branch 'merge' into next
Diffstat (limited to 'include/linux/list_bl.h')
| -rw-r--r-- | include/linux/list_bl.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/list_bl.h b/include/linux/list_bl.h index 5bad17d1acde..31f9d75adc5b 100644 --- a/include/linux/list_bl.h +++ b/include/linux/list_bl.h @@ -2,6 +2,7 @@ #define _LINUX_LIST_BL_H #include <linux/list.h> +#include <linux/bit_spinlock.h> /* * Special version of lists, where head of the list has a lock in the lowest @@ -114,6 +115,16 @@ static inline void hlist_bl_del_init(struct hlist_bl_node *n) } } +static inline void hlist_bl_lock(struct hlist_bl_head *b) +{ + bit_spin_lock(0, (unsigned long *)b); +} + +static inline void hlist_bl_unlock(struct hlist_bl_head *b) +{ + __bit_spin_unlock(0, (unsigned long *)b); +} + /** * hlist_bl_for_each_entry - iterate over list of given type * @tpos: the type * to use as a loop cursor. |