diff options
| author | Dmitry Monakhov <dmonakhov@openvz.org> | 2012-09-28 23:21:09 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2012-09-28 23:21:09 -0400 |
| commit | f45ee3a1ea438af96e4fd2c0b16d195e67ef235f (patch) | |
| tree | a773005b8473dc3e4a25fc91fae8c564084e3af7 /fs/ext4/ext4.h | |
| parent | ba39ebb61401cfe0ccd58dd0cd4da88465528c0a (diff) | |
| download | talos-obmc-linux-f45ee3a1ea438af96e4fd2c0b16d195e67ef235f.tar.gz talos-obmc-linux-f45ee3a1ea438af96e4fd2c0b16d195e67ef235f.zip | |
ext4: ext4_inode_info diet
Generic inode has unused i_private pointer which may be used as cur_aio_dio
storage.
TODO: If cur_aio_dio will be passed as an argument to get_block_t this allow
to have concurent AIO_DIO requests.
Reviewed-by: Zheng Liu <wenqing.lz@taobao.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/ext4.h')
| -rw-r--r-- | fs/ext4/ext4.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 8b6902c4d7be..3e8e185e5e22 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -912,8 +912,6 @@ struct ext4_inode_info { struct list_head i_completed_io_list; spinlock_t i_completed_io_lock; atomic_t i_ioend_count; /* Number of outstanding io_end structs */ - /* current io_end structure for async DIO write*/ - ext4_io_end_t *cur_aio_dio; atomic_t i_aiodio_unwritten; /* Nr. of inflight conversions pending */ spinlock_t i_block_reservation_lock; @@ -1338,6 +1336,16 @@ static inline void ext4_set_io_unwritten_flag(struct inode *inode, } } +static inline ext4_io_end_t *ext4_inode_aio(struct inode *inode) +{ + return inode->i_private; +} + +static inline void ext4_inode_aio_set(struct inode *inode, ext4_io_end_t *io) +{ + inode->i_private = io; +} + /* * Inode dynamic state flags */ |
