Merge branch 'topic/asoc' into for-linus

[karo-tx-linux.git] / fs / ext4 / ext4.h

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 0c8d97b56f34858c09943407916aefdbcc80ef7f..3aa0b72b3b94b42bea4a499e836068ed991814ce 100644 (file)
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -848,6 +848,7 @@ struct ext4_inode_info {
        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;
 
@@ -2119,6 +2120,15 @@ static inline void set_bitmap_uptodate(struct buffer_head *bh)
 
 #define in_range(b, first, len)        ((b) >= (first) && (b) <= (first) + (len) - 1)
 
+/* For ioend & aio unwritten conversion wait queues */
+#define EXT4_WQ_HASH_SZ                37
+#define ext4_ioend_wq(v)   (&ext4__ioend_wq[((unsigned long)(v)) %\
+                                           EXT4_WQ_HASH_SZ])
+#define ext4_aio_mutex(v)  (&ext4__aio_mutex[((unsigned long)(v)) %\
+                                            EXT4_WQ_HASH_SZ])
+extern wait_queue_head_t ext4__ioend_wq[EXT4_WQ_HASH_SZ];
+extern struct mutex ext4__aio_mutex[EXT4_WQ_HASH_SZ];
+
 #endif /* __KERNEL__ */
 
 #endif /* _EXT4_H */