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Diffstat (limited to 'fs/xfs/xfs_buf.h')
-rw-r--r--fs/xfs/xfs_buf.h12
1 files changed, 8 insertions, 4 deletions
diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h
index 5ec7d35a77ea..e65683361017 100644
--- a/fs/xfs/xfs_buf.h
+++ b/fs/xfs/xfs_buf.h
@@ -60,7 +60,6 @@ typedef enum {
#define _XBF_KMEM (1 << 21)/* backed by heap memory */
#define _XBF_DELWRI_Q (1 << 22)/* buffer on a delwri queue */
#define _XBF_COMPOUND (1 << 23)/* compound buffer */
-#define _XBF_LRU_DISPOSE (1 << 24)/* buffer being discarded */
typedef unsigned int xfs_buf_flags_t;
@@ -79,8 +78,12 @@ typedef unsigned int xfs_buf_flags_t;
{ _XBF_PAGES, "PAGES" }, \
{ _XBF_KMEM, "KMEM" }, \
{ _XBF_DELWRI_Q, "DELWRI_Q" }, \
- { _XBF_COMPOUND, "COMPOUND" }, \
- { _XBF_LRU_DISPOSE, "LRU_DISPOSE" }
+ { _XBF_COMPOUND, "COMPOUND" }
+
+/*
+ * Internal state flags.
+ */
+#define XFS_BSTATE_DISPOSE (1 << 0) /* buffer being discarded */
typedef struct xfs_buftarg {
dev_t bt_dev;
@@ -136,7 +139,8 @@ typedef struct xfs_buf {
* bt_lru_lock and not by b_sema
*/
struct list_head b_lru; /* lru list */
- xfs_buf_flags_t b_lru_flags; /* internal lru status flags */
+ spinlock_t b_lock; /* internal state lock */
+ unsigned int b_state; /* internal state flags */
wait_queue_head_t b_waiters; /* unpin waiters */
struct list_head b_list;
struct xfs_perag *b_pag; /* contains rbtree root */