Revert to Fedora kernel-2.6.17-1.2187_FC5 patched with vs2.0.2.1; there are too many...

[linux-2.6.git] / arch / um / drivers / ubd_kern.c

diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index ffdf3d1..0897852 100644 (file)
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -20,10 +20,12 @@
 #define MAJOR_NR UBD_MAJOR
 #define UBD_SHIFT 4
 
+#include "linux/config.h"
 #include "linux/module.h"
 #include "linux/blkdev.h"
 #include "linux/hdreg.h"
 #include "linux/init.h"
+#include "linux/devfs_fs_kernel.h"
 #include "linux/cdrom.h"
 #include "linux/proc_fs.h"
 #include "linux/ctype.h"
@@ -626,6 +628,8 @@ static int ubd_new_disk(int major, u64 size, int unit,
                        
 {
        struct gendisk *disk;
+       char from[sizeof("ubd/nnnnn\0")], to[sizeof("discnnnnn/disc\0")];
+       int err;
 
        disk = alloc_disk(1 << UBD_SHIFT);
        if(disk == NULL)
@@ -635,10 +639,20 @@ static int ubd_new_disk(int major, u64 size, int unit,
        disk->first_minor = unit << UBD_SHIFT;
        disk->fops = &ubd_blops;
        set_capacity(disk, size / 512);
-       if(major == MAJOR_NR)
+       if(major == MAJOR_NR){
                sprintf(disk->disk_name, "ubd%c", 'a' + unit);
-       else
+               sprintf(disk->devfs_name, "ubd/disc%d", unit);
+               sprintf(from, "ubd/%d", unit);
+               sprintf(to, "disc%d/disc", unit);
+               err = devfs_mk_symlink(from, to);
+               if(err)
+                       printk("ubd_new_disk failed to make link from %s to "
+                              "%s, error = %d\n", from, to, err);
+       }
+       else {
                sprintf(disk->disk_name, "ubd_fake%d", unit);
+               sprintf(disk->devfs_name, "ubd_fake/disc%d", unit);
+       }
 
        /* sysfs register (not for ide fake devices) */
        if (major == MAJOR_NR) {
@@ -827,6 +841,7 @@ int ubd_init(void)
 {
         int i;
 
+       devfs_mk_dir("ubd");
        if (register_blkdev(MAJOR_NR, "ubd"))
                return -1;
 
@@ -840,6 +855,7 @@ int ubd_init(void)
                char name[sizeof("ubd_nnn\0")];
 
                snprintf(name, sizeof(name), "ubd_%d", fake_major);
+               devfs_mk_dir(name);
                if (register_blkdev(fake_major, "ubd"))
                        return -1;
        }
@@ -872,7 +888,7 @@ int ubd_driver_init(void){
                return(0);
        }
        err = um_request_irq(UBD_IRQ, thread_fd, IRQ_READ, ubd_intr,
-                            IRQF_DISABLED, "ubd", ubd_dev);
+                            SA_INTERRUPT, "ubd", ubd_dev);
        if(err != 0)
                printk(KERN_ERR "um_request_irq failed - errno = %d\n", -err);
        return 0;
@@ -1206,7 +1222,7 @@ int open_ubd_file(char *file, struct openflags *openflags, int shared,
                }
        }
 
-       /* Successful return case! */
+       /* Succesful return case! */
        if(backing_file_out == NULL)
                return(fd);