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| author | Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> | 2018-04-24 17:52:52 +0300 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> | 2018-04-24 17:52:52 +0300 |
| commit | 8cad95f56f63a63abab0ff0cb451c0bdd5a885dc (patch) | |
| tree | be7e1ad2d42c6ab61fd8156129c4dd3679da6b7f /include/linux/xarray.h | |
| parent | 7c9b845e79eadd074820e36d426502a9c54cafcf (diff) | |
| parent | 6d08b06e67cd117f6992c46611dfb4ce267cd71e (diff) | |
| download | linux-8cad95f56f63a63abab0ff0cb451c0bdd5a885dc.tar.xz | |
Merge tag 'v4.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into fbdev-for-next
Linux 4.17-rc2
Diffstat (limited to 'include/linux/xarray.h')
| -rw-r--r-- | include/linux/xarray.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/xarray.h b/include/linux/xarray.h new file mode 100644 index 000000000000..2dfc8006fe64 --- /dev/null +++ b/include/linux/xarray.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +#ifndef _LINUX_XARRAY_H +#define _LINUX_XARRAY_H +/* + * eXtensible Arrays + * Copyright (c) 2017 Microsoft Corporation + * Author: Matthew Wilcox <mawilcox@microsoft.com> + */ + +#include <linux/spinlock.h> + +#define xa_trylock(xa) spin_trylock(&(xa)->xa_lock) +#define xa_lock(xa) spin_lock(&(xa)->xa_lock) +#define xa_unlock(xa) spin_unlock(&(xa)->xa_lock) +#define xa_lock_bh(xa) spin_lock_bh(&(xa)->xa_lock) +#define xa_unlock_bh(xa) spin_unlock_bh(&(xa)->xa_lock) +#define xa_lock_irq(xa) spin_lock_irq(&(xa)->xa_lock) +#define xa_unlock_irq(xa) spin_unlock_irq(&(xa)->xa_lock) +#define xa_lock_irqsave(xa, flags) \ + spin_lock_irqsave(&(xa)->xa_lock, flags) +#define xa_unlock_irqrestore(xa, flags) \ + spin_unlock_irqrestore(&(xa)->xa_lock, flags) + +#endif /* _LINUX_XARRAY_H */ |