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authorDmitry Monakhov <dmonakhov@openvz.org>2012-09-28 23:21:09 -0400
committerTheodore Ts'o <tytso@mit.edu>2012-09-28 23:21:09 -0400
commitf45ee3a1ea438af96e4fd2c0b16d195e67ef235f (patch)
treea773005b8473dc3e4a25fc91fae8c564084e3af7 /fs/ext4/ext4.h
parentba39ebb61401cfe0ccd58dd0cd4da88465528c0a (diff)
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.h12
1 files changed, 10 insertions, 2 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 8b6902c4d7b..3e8e185e5e2 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
*/