include/asm-generic/bitops/ext2-atomic.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_
   3 #define _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_
   4
   5 /*
   6  * Spinlock based version of ext2 atomic bitops
   7  */
   8
   9 #define ext2_set_bit_atomic(lock, nr, addr)             \
  10         ({                                              \
  11                 int ret;                                \
  12                 spin_lock(lock);                        \
  13                 ret = __test_and_set_bit_le(nr, addr);  \
  14                 spin_unlock(lock);                      \
  15                 ret;                                    \
  16         })
  17
  18 #define ext2_clear_bit_atomic(lock, nr, addr)           \
  19         ({                                              \
  20                 int ret;                                \
  21                 spin_lock(lock);                        \
  22                 ret = __test_and_clear_bit_le(nr, addr);        \
  23                 spin_unlock(lock);                      \
  24                 ret;                                    \
  25         })
  26
  27 #endif /* _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_ */