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Diffstat (limited to 'fs/xfs/linux-2.6/xfs_vnode.h')
-rw-r--r--fs/xfs/linux-2.6/xfs_vnode.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h
index 4a74569a569..9977afa3890 100644
--- a/fs/xfs/linux-2.6/xfs_vnode.h
+++ b/fs/xfs/linux-2.6/xfs_vnode.h
@@ -80,6 +80,7 @@ typedef struct vnode {
vnumber_t v_number; /* in-core vnode number */
vn_bhv_head_t v_bh; /* behavior head */
spinlock_t v_lock; /* VN_LOCK/VN_UNLOCK */
+ atomic_t v_iocount; /* outstanding I/O count */
#ifdef XFS_VNODE_TRACE
struct ktrace *v_trace; /* trace header structure */
#endif
@@ -506,6 +507,9 @@ extern int vn_revalidate(struct vnode *);
extern void vn_revalidate_core(struct vnode *, vattr_t *);
extern void vn_remove(struct vnode *);
+extern void vn_iowait(struct vnode *vp);
+extern void vn_iowake(struct vnode *vp);
+
static inline int vn_count(struct vnode *vp)
{
return atomic_read(&LINVFS_GET_IP(vp)->i_count);