libata: export ata_eh_analyze_ncq_error

[safe/jmp/linux-2.6] / include / linux / blktrace_api.h

diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index 2346a1d..cfc3147 100644 (file)
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -20,6 +20,7 @@ enum blktrace_cat {
        BLK_TC_PC       = 1 << 9,       /* pc requests */
        BLK_TC_NOTIFY   = 1 << 10,      /* special message */
        BLK_TC_AHEAD    = 1 << 11,      /* readahead */
+       BLK_TC_META     = 1 << 12,      /* metadata */
 
        BLK_TC_END      = 1 << 15,      /* only 16-bits, reminder */
 };
@@ -49,6 +50,15 @@ enum blktrace_act {
 };
 
 /*
+ * Notify events.
+ */
+enum blktrace_notify {
+       __BLK_TN_PROCESS = 0,           /* establish pid/name mapping */
+       __BLK_TN_TIMESTAMP,             /* include system clock */
+};
+
+
+/*
  * Trace actions in full. Additionally, read or write is masked
  */
 #define BLK_TA_QUEUE           (__BLK_TA_QUEUE | BLK_TC_ACT(BLK_TC_QUEUE))
@@ -67,6 +77,9 @@ enum blktrace_act {
 #define BLK_TA_BOUNCE          (__BLK_TA_BOUNCE)
 #define BLK_TA_REMAP           (__BLK_TA_REMAP | BLK_TC_ACT(BLK_TC_QUEUE))
 
+#define BLK_TN_PROCESS         (__BLK_TN_PROCESS | BLK_TC_ACT(BLK_TC_NOTIFY))
+#define BLK_TN_TIMESTAMP       (__BLK_TN_TIMESTAMP | BLK_TC_ACT(BLK_TC_NOTIFY))
+
 #define BLK_IO_TRACE_MAGIC     0x65617400
 #define BLK_IO_TRACE_VERSION   0x07
 
@@ -92,7 +105,7 @@ struct blk_io_trace {
  */
 struct blk_io_trace_remap {
        __be32 device;
-       u32 __pad;
+       __be32 device_from;
        __be64 sector;
 };
 
@@ -129,10 +142,14 @@ struct blk_user_trace_setup {
        u32 pid;
 };
 
+#ifdef __KERNEL__
 #if defined(CONFIG_BLK_DEV_IO_TRACE)
 extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *);
-extern void blk_trace_shutdown(request_queue_t *);
+extern void blk_trace_shutdown(struct request_queue *);
 extern void __blk_add_trace(struct blk_trace *, sector_t, int, int, u32, int, int, void *);
+extern int do_blk_trace_setup(struct request_queue *q,
+       char *name, dev_t dev, struct blk_user_trace_setup *buts);
+
 
 /**
  * blk_add_trace_rq - Add a trace for a request oriented action
@@ -148,7 +165,7 @@ static inline void blk_add_trace_rq(struct request_queue *q, struct request *rq,
                                    u32 what)
 {
        struct blk_trace *bt = q->blk_trace;
-       int rw = rq->flags & 0x07;
+       int rw = rq->cmd_flags & 0x03;
 
        if (likely(!bt))
                return;
@@ -259,11 +276,17 @@ static inline void blk_add_trace_remap(struct request_queue *q, struct bio *bio,
                return;
 
        r.device = cpu_to_be32(dev);
+       r.device_from = cpu_to_be32(bio->bi_bdev->bd_dev);
        r.sector = cpu_to_be64(to);
 
        __blk_add_trace(bt, from, bio->bi_size, bio->bi_rw, BLK_TA_REMAP, !bio_flagged(bio, BIO_UPTODATE), sizeof(r), &r);
 }
 
+extern int blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
+                          char __user *arg);
+extern int blk_trace_startstop(struct request_queue *q, int start);
+extern int blk_trace_remove(struct request_queue *q);
+
 #else /* !CONFIG_BLK_DEV_IO_TRACE */
 #define blk_trace_ioctl(bdev, cmd, arg)                (-ENOTTY)
 #define blk_trace_shutdown(q)                  do { } while (0)
@@ -272,6 +295,10 @@ static inline void blk_add_trace_remap(struct request_queue *q, struct bio *bio,
 #define blk_add_trace_generic(q, rq, rw, what) do { } while (0)
 #define blk_add_trace_pdu_int(q, what, bio, pdu)       do { } while (0)
 #define blk_add_trace_remap(q, bio, dev, f, t) do {} while (0)
+#define do_blk_trace_setup(q, name, dev, buts) (-ENOTTY)
+#define blk_trace_setup(q, name, dev, arg)     (-ENOTTY)
+#define blk_trace_startstop(q, start)          (-ENOTTY)
+#define blk_trace_remove(q)                    (-ENOTTY)
 #endif /* CONFIG_BLK_DEV_IO_TRACE */
-
+#endif /* __KERNEL__ */
 #endif