1 files changed, 25 insertions, 18 deletions

diff --git a/fs/xfs/linux-2.6/xfs_buf.h b/fs/xfs/linux-2.6/xfs_buf.h
index 9b4d666ad31f..a34c7b54822d 100644
--- a/fs/xfs/linux-2.6/xfs_buf.h
+++ b/fs/xfs/linux-2.6/xfs_buf.h
@@ -55,6 +55,7 @@ typedef enum {
         XBF_FS_MANAGED = (1 << 8),  /* filesystem controls freeing memory  */
         XBF_ORDERED = (1 << 11),    /* use ordered writes                  */
         XBF_READ_AHEAD = (1 << 12), /* asynchronous read-ahead             */
+        XBF_LOG_BUFFER = (1 << 13), /* this is a buffer used for the log   */
 
         /* flags used only as arguments to access routines */
         XBF_LOCK = (1 << 14),       /* lock requested                      */
@@ -95,6 +96,28 @@ typedef enum {
         _XFS_BARRIER_FAILED = (1 << 23),
 } xfs_buf_flags_t;
 
+#define XFS_BUF_FLAGS \
+        { XBF_READ,             "READ" }, \
+        { XBF_WRITE,            "WRITE" }, \
+        { XBF_MAPPED,           "MAPPED" }, \
+        { XBF_ASYNC,            "ASYNC" }, \
+        { XBF_DONE,             "DONE" }, \
+        { XBF_DELWRI,           "DELWRI" }, \
+        { XBF_STALE,            "STALE" }, \
+        { XBF_FS_MANAGED,       "FS_MANAGED" }, \
+        { XBF_ORDERED,          "ORDERED" }, \
+        { XBF_READ_AHEAD,       "READ_AHEAD" }, \
+        { XBF_LOCK,             "LOCK" },       /* should never be set */\
+        { XBF_TRYLOCK,          "TRYLOCK" },    /* ditto */\
+        { XBF_DONT_BLOCK,       "DONT_BLOCK" }, /* ditto */\
+        { _XBF_PAGE_CACHE,      "PAGE_CACHE" }, \
+        { _XBF_PAGES,           "PAGES" }, \
+        { _XBF_RUN_QUEUES,      "RUN_QUEUES" }, \
+        { _XBF_DELWRI_Q,        "DELWRI_Q" }, \
+        { _XBF_PAGE_LOCKED,     "PAGE_LOCKED" }, \
+        { _XFS_BARRIER_FAILED,  "BARRIER_FAILED" }
+
+
 typedef enum {
         XBT_FORCE_SLEEP = 0,
         XBT_FORCE_FLUSH = 1,
@@ -186,15 +209,10 @@ extern xfs_buf_t *_xfs_buf_find(xfs_buftarg_t *, xfs_off_t, size_t,
 #define xfs_incore(buftarg,blkno,len,lockit) \
         _xfs_buf_find(buftarg, blkno ,len, lockit, NULL)
 
-extern xfs_buf_t *xfs_buf_get_flags(xfs_buftarg_t *, xfs_off_t, size_t,
+extern xfs_buf_t *xfs_buf_get(xfs_buftarg_t *, xfs_off_t, size_t,
                                 xfs_buf_flags_t);
-#define xfs_buf_get(target, blkno, len, flags) \
-        xfs_buf_get_flags((target), (blkno), (len), XBF_LOCK | XBF_MAPPED)
-
-extern xfs_buf_t *xfs_buf_read_flags(xfs_buftarg_t *, xfs_off_t, size_t,
+extern xfs_buf_t *xfs_buf_read(xfs_buftarg_t *, xfs_off_t, size_t,
                                 xfs_buf_flags_t);
-#define xfs_buf_read(target, blkno, len, flags) \
-        xfs_buf_read_flags((target), (blkno), (len), XBF_LOCK | XBF_MAPPED)
 
 extern xfs_buf_t *xfs_buf_get_empty(size_t, xfs_buftarg_t *);
 extern xfs_buf_t *xfs_buf_get_noaddr(size_t, xfs_buftarg_t *);
@@ -248,13 +266,6 @@ extern void xfs_buf_delwri_dequeue(xfs_buf_t *);
 extern int xfs_buf_init(void);
 extern void xfs_buf_terminate(void);
 
-#ifdef XFS_BUF_TRACE
-extern ktrace_t *xfs_buf_trace_buf;
-extern void xfs_buf_trace(xfs_buf_t *, char *, void *, void *);
-#else
-#define xfs_buf_trace(bp,id,ptr,ra)     do { } while (0)
-#endif
-
 #define xfs_buf_target_name(target)     \
         ({ char __b[BDEVNAME_SIZE]; bdevname((target)->bt_bdev, __b); __b; })
 
@@ -370,10 +381,6 @@ static inline void xfs_buf_relse(xfs_buf_t *bp)
 
 #define xfs_bpin(bp)            xfs_buf_pin(bp)
 #define xfs_bunpin(bp)          xfs_buf_unpin(bp)
-
-#define xfs_buftrace(id, bp)    \
-            xfs_buf_trace(bp, id, NULL, (void *)__builtin_return_address(0))
-
 #define xfs_biodone(bp)         xfs_buf_ioend(bp, 0)
 
 #define xfs_biomove(bp, off, len, data, rw) \