diff options
Diffstat (limited to 'include/linux/fs.h')
| -rw-r--r-- | include/linux/fs.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 3d69de600494..f81c822f4d89 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -526,6 +526,11 @@ static inline void i_mmap_lock_write(struct address_space *mapping) down_write(&mapping->i_mmap_rwsem); } +static inline int i_mmap_trylock_write(struct address_space *mapping) +{ + return down_write_trylock(&mapping->i_mmap_rwsem); +} + static inline void i_mmap_unlock_write(struct address_space *mapping) { up_write(&mapping->i_mmap_rwsem); |