summaryrefslogtreecommitdiff
path: root/fs/xfs/xfs_inode.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/xfs/xfs_inode.h')
-rw-r--r--fs/xfs/xfs_inode.h46
1 files changed, 36 insertions, 10 deletions
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h
index 17a04b6321e..1420c49674d 100644
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -87,8 +87,7 @@ typedef struct xfs_ifork {
* Flags for xfs_ichgtime().
*/
#define XFS_ICHGTIME_MOD 0x1 /* data fork modification timestamp */
-#define XFS_ICHGTIME_ACC 0x2 /* data fork access timestamp */
-#define XFS_ICHGTIME_CHG 0x4 /* inode field change timestamp */
+#define XFS_ICHGTIME_CHG 0x2 /* inode field change timestamp */
/*
* Per-fork incore inode flags.
@@ -204,7 +203,7 @@ typedef struct xfs_inode {
struct xfs_inode *i_mprev; /* ptr to prev inode */
struct xfs_mount *i_mount; /* fs mount struct ptr */
struct list_head i_reclaim; /* reclaim list */
- bhv_vnode_t *i_vnode; /* vnode backpointer */
+ struct inode *i_vnode; /* vnode backpointer */
struct xfs_dquot *i_udquot; /* user dquot */
struct xfs_dquot *i_gdquot; /* group dquot */
@@ -223,7 +222,7 @@ typedef struct xfs_inode {
struct xfs_inode_log_item *i_itemp; /* logging information */
mrlock_t i_lock; /* inode lock */
mrlock_t i_iolock; /* inode IO lock */
- sema_t i_flock; /* inode flush lock */
+ struct completion i_flush; /* inode flush completion q */
atomic_t i_pincount; /* inode pin count */
wait_queue_head_t i_ipin_wait; /* inode pinning wait queue */
spinlock_t i_flags_lock; /* inode i_flags lock */
@@ -263,6 +262,18 @@ typedef struct xfs_inode {
#define XFS_ISIZE(ip) (((ip)->i_d.di_mode & S_IFMT) == S_IFREG) ? \
(ip)->i_size : (ip)->i_d.di_size;
+/* Convert from vfs inode to xfs inode */
+static inline struct xfs_inode *XFS_I(struct inode *inode)
+{
+ return (struct xfs_inode *)inode->i_private;
+}
+
+/* convert from xfs inode to vfs inode */
+static inline struct inode *VFS_I(struct xfs_inode *ip)
+{
+ return (struct inode *)ip->i_vnode;
+}
+
/*
* i_flags helper functions
*/
@@ -439,9 +450,6 @@ xfs_iflags_test_and_clear(xfs_inode_t *ip, unsigned short flags)
#define XFS_ITRUNC_DEFINITE 0x1
#define XFS_ITRUNC_MAYBE 0x2
-#define XFS_ITOV(ip) ((ip)->i_vnode)
-#define XFS_ITOV_NULL(ip) ((ip)->i_vnode)
-
/*
* For multiple groups support: if S_ISGID bit is set in the parent
* directory, group of new file is set to that of the parent, and
@@ -473,11 +481,8 @@ int xfs_ilock_nowait(xfs_inode_t *, uint);
void xfs_iunlock(xfs_inode_t *, uint);
void xfs_ilock_demote(xfs_inode_t *, uint);
int xfs_isilocked(xfs_inode_t *, uint);
-void xfs_iflock(xfs_inode_t *);
-int xfs_iflock_nowait(xfs_inode_t *);
uint xfs_ilock_map_shared(xfs_inode_t *);
void xfs_iunlock_map_shared(xfs_inode_t *, uint);
-void xfs_ifunlock(xfs_inode_t *);
void xfs_ireclaim(xfs_inode_t *);
int xfs_finish_reclaim(xfs_inode_t *, int, int);
int xfs_finish_reclaim_all(struct xfs_mount *, int);
@@ -522,6 +527,7 @@ void xfs_iflush_all(struct xfs_mount *);
void xfs_ichgtime(xfs_inode_t *, int);
xfs_fsize_t xfs_file_last_byte(xfs_inode_t *);
void xfs_lock_inodes(xfs_inode_t **, int, uint);
+void xfs_lock_two_inodes(xfs_inode_t *, xfs_inode_t *, uint);
void xfs_synchronize_atime(xfs_inode_t *);
void xfs_mark_inode_dirty_sync(xfs_inode_t *);
@@ -570,6 +576,26 @@ extern struct kmem_zone *xfs_ifork_zone;
extern struct kmem_zone *xfs_inode_zone;
extern struct kmem_zone *xfs_ili_zone;
+/*
+ * Manage the i_flush queue embedded in the inode. This completion
+ * queue synchronizes processes attempting to flush the in-core
+ * inode back to disk.
+ */
+static inline void xfs_iflock(xfs_inode_t *ip)
+{
+ wait_for_completion(&ip->i_flush);
+}
+
+static inline int xfs_iflock_nowait(xfs_inode_t *ip)
+{
+ return try_wait_for_completion(&ip->i_flush);
+}
+
+static inline void xfs_ifunlock(xfs_inode_t *ip)
+{
+ complete(&ip->i_flush);
+}
+
#endif /* __KERNEL__ */
#endif /* __XFS_INODE_H__ */