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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.h65
1 files changed, 23 insertions, 42 deletions
diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h
index 41ca2cec5d3..683ce16210f 100644
--- a/fs/xfs/linux-2.6/xfs_vnode.h
+++ b/fs/xfs/linux-2.6/xfs_vnode.h
@@ -22,20 +22,6 @@ struct file;
struct xfs_iomap;
struct attrlist_cursor_kern;
-typedef struct inode bhv_vnode_t;
-
-/*
- * Vnode to Linux inode mapping.
- */
-static inline bhv_vnode_t *vn_from_inode(struct inode *inode)
-{
- return inode;
-}
-static inline struct inode *vn_to_inode(bhv_vnode_t *vnode)
-{
- return vnode;
-}
-
/*
* Return values for xfs_inactive. A return value of
* VN_INACTIVE_NOCACHE implies that the file system behavior
@@ -76,57 +62,52 @@ extern void vn_iowait(struct xfs_inode *ip);
extern void vn_iowake(struct xfs_inode *ip);
extern void vn_ioerror(struct xfs_inode *ip, int error, char *f, int l);
-static inline int vn_count(bhv_vnode_t *vp)
+static inline int vn_count(struct inode *vp)
{
- return atomic_read(&vn_to_inode(vp)->i_count);
+ return atomic_read(&vp->i_count);
}
-/*
- * Vnode reference counting functions (and macros for compatibility).
- */
-extern bhv_vnode_t *vn_hold(bhv_vnode_t *);
+#define IHOLD(ip) \
+do { \
+ ASSERT(atomic_read(&VFS_I(ip)->i_count) > 0) ; \
+ atomic_inc(&(VFS_I(ip)->i_count)); \
+ xfs_itrace_hold((ip), __FILE__, __LINE__, (inst_t *)__return_address); \
+} while (0)
-#if defined(XFS_INODE_TRACE)
-#define VN_HOLD(vp) \
- ((void)vn_hold(vp), \
- xfs_itrace_hold(xfs_vtoi(vp), __FILE__, __LINE__, (inst_t *)__return_address))
-#define VN_RELE(vp) \
- (xfs_itrace_rele(xfs_vtoi(vp), __FILE__, __LINE__, (inst_t *)__return_address), \
- iput(vn_to_inode(vp)))
-#else
-#define VN_HOLD(vp) ((void)vn_hold(vp))
-#define VN_RELE(vp) (iput(vn_to_inode(vp)))
-#endif
+#define IRELE(ip) \
+do { \
+ xfs_itrace_rele((ip), __FILE__, __LINE__, (inst_t *)__return_address); \
+ iput(VFS_I(ip)); \
+} while (0)
-static inline bhv_vnode_t *vn_grab(bhv_vnode_t *vp)
+static inline struct inode *vn_grab(struct inode *vp)
{
- struct inode *inode = igrab(vn_to_inode(vp));
- return inode ? vn_from_inode(inode) : NULL;
+ return igrab(vp);
}
/*
* Dealing with bad inodes
*/
-static inline int VN_BAD(bhv_vnode_t *vp)
+static inline int VN_BAD(struct inode *vp)
{
- return is_bad_inode(vn_to_inode(vp));
+ return is_bad_inode(vp);
}
/*
* Extracting atime values in various formats
*/
-static inline void vn_atime_to_bstime(bhv_vnode_t *vp, xfs_bstime_t *bs_atime)
+static inline void vn_atime_to_bstime(struct inode *vp, xfs_bstime_t *bs_atime)
{
bs_atime->tv_sec = vp->i_atime.tv_sec;
bs_atime->tv_nsec = vp->i_atime.tv_nsec;
}
-static inline void vn_atime_to_timespec(bhv_vnode_t *vp, struct timespec *ts)
+static inline void vn_atime_to_timespec(struct inode *vp, struct timespec *ts)
{
*ts = vp->i_atime;
}
-static inline void vn_atime_to_time_t(bhv_vnode_t *vp, time_t *tt)
+static inline void vn_atime_to_time_t(struct inode *vp, time_t *tt)
{
*tt = vp->i_atime.tv_sec;
}
@@ -134,9 +115,9 @@ static inline void vn_atime_to_time_t(bhv_vnode_t *vp, time_t *tt)
/*
* Some useful predicates.
*/
-#define VN_MAPPED(vp) mapping_mapped(vn_to_inode(vp)->i_mapping)
-#define VN_CACHED(vp) (vn_to_inode(vp)->i_mapping->nrpages)
-#define VN_DIRTY(vp) mapping_tagged(vn_to_inode(vp)->i_mapping, \
+#define VN_MAPPED(vp) mapping_mapped(vp->i_mapping)
+#define VN_CACHED(vp) (vp->i_mapping->nrpages)
+#define VN_DIRTY(vp) mapping_tagged(vp->i_mapping, \
PAGECACHE_TAG_DIRTY)