Put blktap character device back into /dev/xen.

Changeset 14895:800aa9f5cec9 accidentally moved it into /var/run/tap
along with the control FIFOs.
Signed-off-by: Brendan Cully <brendan@cs.ubc.ca>

diff --git a/tools/blktap/drivers/blktapctrl.c b/tools/blktap/drivers/blktapctrl.c
index 938c53d273a7738d749f4043d9c73706f683be9a..42b74b3c7adeda42a94cd40893fe14c870fb8240 100644 (file)
--- a/tools/blktap/drivers/blktapctrl.c
+++ b/tools/blktap/drivers/blktapctrl.c
@@ -496,12 +496,12 @@ int blktapctrl_new_blkif(blkif_t *blkif)
                if (!exist) {
                        DPRINTF("Process does not exist:\n");
                        asprintf(&rdctldev, 
-                                "%s/tapctrlread%d", BLKTAP_DEV_DIR, minor);
+                                "%s/tapctrlread%d", BLKTAP_CTRL_DIR, minor);
                        blkif->fds[READ] = open_ctrl_socket(rdctldev);
 
 
                        asprintf(&wrctldev, 
-                                "%s/tapctrlwrite%d", BLKTAP_DEV_DIR, minor);
+                                "%s/tapctrlwrite%d", BLKTAP_CTRL_DIR, minor);
                        blkif->fds[WRITE] = open_ctrl_socket(wrctldev);
                        
                        if (blkif->fds[READ] == -1 || blkif->fds[WRITE] == -1) 
@@ -601,6 +601,8 @@ int open_ctrl_socket(char *devname)
        fd_set socks;
        struct timeval timeout;
 
+       if (mkdir(BLKTAP_CTRL_DIR, 0755) == 0)
+               DPRINTF("Created %s directory\n", BLKTAP_CTRL_DIR);
        ret = mkfifo(devname,S_IRWXU|S_IRWXG|S_IRWXO);
        if ( (ret != 0) && (errno != EEXIST) ) {
                DPRINTF("ERROR: pipe failed (%d)\n", errno);

diff --git a/tools/blktap/lib/blktaplib.h b/tools/blktap/lib/blktaplib.h
index 996ed60aa9dfc7ec11bf79ec29e7089e41441468..0e2a9109b19bbfcf3934bfcc8c9d282e04b401ce 100644 (file)
--- a/tools/blktap/lib/blktaplib.h
+++ b/tools/blktap/lib/blktaplib.h
@@ -78,9 +78,10 @@ static inline int BLKTAP_MODE_VALID(unsigned long arg)
 
 #define BLKTAP_IOCTL_KICK 1
 #define MAX_PENDING_REQS       BLK_RING_SIZE
-#define BLKTAP_DEV_DIR   "/var/run/tap"
+#define BLKTAP_DEV_DIR   "/dev/xen"
 #define BLKTAP_DEV_NAME  "blktap"
 #define BLKTAP_DEV_MINOR 0
+#define BLKTAP_CTRL_DIR   "/var/run/tap"
 
 extern int blktap_major;