syncookies: remove last_synq_overflow from struct tcp_sock

[safe/jmp/linux-2.6] / drivers / ata / libata-core.c

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 5e324ce..065507c 100644 (file)
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -57,6 +57,7 @@
 #include <linux/scatterlist.h>
 #include <linux/io.h>
 #include <linux/async.h>
+#include <linux/log2.h>
 #include <scsi/scsi.h>
 #include <scsi/scsi_cmnd.h>
 #include <scsi/scsi_host.h>
@@ -1322,14 +1323,16 @@ static u64 ata_id_n_sectors(const u16 *id)
 {
        if (ata_id_has_lba(id)) {
                if (ata_id_has_lba48(id))
-                       return ata_id_u64(id, 100);
+                       return ata_id_u64(id, ATA_ID_LBA_CAPACITY_2);
                else
-                       return ata_id_u32(id, 60);
+                       return ata_id_u32(id, ATA_ID_LBA_CAPACITY);
        } else {
                if (ata_id_current_chs_valid(id))
-                       return ata_id_u32(id, 57);
+                       return id[ATA_ID_CUR_CYLS] * id[ATA_ID_CUR_HEADS] *
+                              id[ATA_ID_CUR_SECTORS];
                else
-                       return id[1] * id[3] * id[6];
+                       return id[ATA_ID_CYLS] * id[ATA_ID_HEADS] *
+                              id[ATA_ID_SECTORS];
        }
 }
 
@@ -2387,6 +2390,7 @@ int ata_dev_configure(struct ata_device *dev)
        dev->cylinders = 0;
        dev->heads = 0;
        dev->sectors = 0;
+       dev->multi_count = 0;
 
        /*
         * common ATA, ATAPI feature tests
@@ -2424,8 +2428,15 @@ int ata_dev_configure(struct ata_device *dev)
 
                dev->n_sectors = ata_id_n_sectors(id);
 
-               if (dev->id[59] & 0x100)
-                       dev->multi_count = dev->id[59] & 0xff;
+               /* get current R/W Multiple count setting */
+               if ((dev->id[47] >> 8) == 0x80 && (dev->id[59] & 0x100)) {
+                       unsigned int max = dev->id[47] & 0xff;
+                       unsigned int cnt = dev->id[59] & 0xff;
+                       /* only recognize/allow powers of two here */
+                       if (is_power_of_2(max) && is_power_of_2(cnt))
+                               if (cnt <= max)
+                                       dev->multi_count = cnt;
+               }
 
                if (ata_id_has_lba(id)) {
                        const char *lba_desc;
@@ -6099,13 +6110,11 @@ int ata_host_register(struct ata_host *host, struct scsi_host_template *sht)
                        ata_port_printk(ap, KERN_INFO, "DUMMY\n");
        }
 
-       /* perform each probe synchronously */
-       DPRINTK("probe begin\n");
+       /* perform each probe asynchronously */
        for (i = 0; i < host->n_ports; i++) {
                struct ata_port *ap = host->ports[i];
                async_schedule(async_port_probe, ap);
        }
-       DPRINTK("probe end\n");
 
        return 0;
 }
@@ -6707,6 +6716,7 @@ EXPORT_SYMBOL_GPL(ata_id_c_string);
 EXPORT_SYMBOL_GPL(ata_do_dev_read_id);
 EXPORT_SYMBOL_GPL(ata_scsi_simulate);
 
+EXPORT_SYMBOL_GPL(ata_pio_queue_task);
 EXPORT_SYMBOL_GPL(ata_pio_need_iordy);
 EXPORT_SYMBOL_GPL(ata_timing_find_mode);
 EXPORT_SYMBOL_GPL(ata_timing_compute);