Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / include / linux / pktcdvd.h

diff --git a/include/linux/pktcdvd.h b/include/linux/pktcdvd.h
index 4e2d2a9..8a94c71 100644 (file)
--- a/include/linux/pktcdvd.h
+++ b/include/linux/pktcdvd.h
@@ -114,7 +114,7 @@ struct pkt_ctrl_command {
 
 struct packet_settings
 {
-       __u8                    size;           /* packet size in (512 byte) sectors */
+       __u32                   size;           /* packet size in (512 byte) sectors */
        __u8                    fp;             /* fixed packets */
        __u8                    link_loss;      /* the rest is specified
                                                 * as per Mt Fuji */
@@ -159,15 +159,18 @@ struct packet_iosched
        struct bio              *read_queue_tail;
        struct bio              *write_queue;
        struct bio              *write_queue_tail;
-       int                     high_prio_read; /* An important read request has been queued */
+       sector_t                last_write;     /* The sector where the last write ended */
        int                     successive_reads;
 };
 
 /*
  * 32 buffers of 2048 bytes
  */
-#define PACKET_MAX_SIZE                32
-#define PAGES_PER_PACKET       (PACKET_MAX_SIZE * CD_FRAMESIZE / PAGE_SIZE)
+#if (PAGE_SIZE % CD_FRAMESIZE) != 0
+#error "PAGE_SIZE must be a multiple of CD_FRAMESIZE"
+#endif
+#define PACKET_MAX_SIZE                128
+#define FRAMES_PER_PAGE                (PAGE_SIZE / CD_FRAMESIZE)
 #define PACKET_MAX_SECTORS     (PACKET_MAX_SIZE * CD_FRAMESIZE >> 9)
 
 enum packet_data_state {
@@ -216,7 +219,7 @@ struct packet_data
        atomic_t                io_errors;      /* Number of read/write errors during IO */
 
        struct bio              *r_bios[PACKET_MAX_SIZE]; /* bios to use during data gathering */
-       struct page             *pages[PAGES_PER_PACKET];
+       struct page             *pages[PACKET_MAX_SIZE / FRAMES_PER_PAGE];
 
        int                     cache_valid;    /* If non-zero, the data for the zone defined */
                                                /* by the sector variable is completely cached */