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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-12-21 03:14:03 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-12-21 03:14:03 +0100 |
| commit | e219aafe50fd546b8686582ddbafd24c3c2eda04 (patch) | |
| tree | a665e08ca8d42f20ac8e5dcc8565d666cffb26bd /fs/ext2/ext2.h | |
| parent | ffe12855a5f7f195589130197558e6a5c276caa4 (diff) | |
| parent | 24c96dc79c5e76d3cff7a33f955a4d3244644766 (diff) | |
Merge back earlier 'pm-domains' material for v4.5.
Diffstat (limited to 'fs/ext2/ext2.h')
| -rw-r--r-- | fs/ext2/ext2.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h index 8d15febd0aa3..4c69c94cafd8 100644 --- a/fs/ext2/ext2.h +++ b/fs/ext2/ext2.h @@ -684,6 +684,9 @@ struct ext2_inode_info { struct rw_semaphore xattr_sem; #endif rwlock_t i_meta_lock; +#ifdef CONFIG_FS_DAX + struct rw_semaphore dax_sem; +#endif /* * truncate_mutex is for serialising ext2_truncate() against @@ -699,6 +702,14 @@ struct ext2_inode_info { #endif }; +#ifdef CONFIG_FS_DAX +#define dax_sem_down_write(ext2_inode) down_write(&(ext2_inode)->dax_sem) +#define dax_sem_up_write(ext2_inode) up_write(&(ext2_inode)->dax_sem) +#else +#define dax_sem_down_write(ext2_inode) +#define dax_sem_up_write(ext2_inode) +#endif + /* * Inode dynamic state flags */ |