svn commit: r356170 - head/sys/compat/linux

[Edward Tomasz Napierala]

Author: trasz
Date: Sun Dec 29 12:22:11 2019
New Revision: 356170
URL: https://svnweb.freebsd.org/changeset/base/356170

Log:
  Implement Linux BLKGETSIZE64 ioctl.
  
  MFC after:    2 weeks
  Sponsored by: The FreeBSD Foundation

Modified:
  head/sys/compat/linux/linux_ioctl.c
  head/sys/compat/linux/linux_ioctl.h

Modified: head/sys/compat/linux/linux_ioctl.c
==============================================================================
--- head/sys/compat/linux/linux_ioctl.c Sun Dec 29 06:59:09 2019        
(r356169)
+++ head/sys/compat/linux/linux_ioctl.c Sun Dec 29 12:22:11 2019        
(r356170)
@@ -278,6 +278,7 @@ linux_ioctl_disk(struct thread *td, struct linux_ioctl
        struct file *fp;
        int error;
        u_int sectorsize;
+       uint64_t blksize64;
        off_t mediasize;
 
        error = fget(td, args->fd, &cap_ioctl_rights, &fp);
@@ -300,6 +301,15 @@ linux_ioctl_disk(struct thread *td, struct linux_ioctl
                return (copyout(&sectorsize, (void *)args->arg,
                    sizeof(sectorsize)));
                break;
+       case LINUX_BLKGETSIZE64:
+               error = fo_ioctl(fp, DIOCGMEDIASIZE,
+                   (caddr_t)&mediasize, td->td_ucred, td);
+               fdrop(fp, td);
+               if (error)
+                       return (error);
+               blksize64 = mediasize;;
+               return (copyout(&blksize64, (void *)args->arg,
+                   sizeof(blksize64)));
        case LINUX_BLKSSZGET:
                error = fo_ioctl(fp, DIOCGSECTORSIZE,
                    (caddr_t)&sectorsize, td->td_ucred, td);

Modified: head/sys/compat/linux/linux_ioctl.h
==============================================================================
--- head/sys/compat/linux/linux_ioctl.h Sun Dec 29 06:59:09 2019        
(r356169)
+++ head/sys/compat/linux/linux_ioctl.h Sun Dec 29 12:22:11 2019        
(r356170)
@@ -57,9 +57,10 @@
 #define        LINUX_BLKSECTSET        0x1266
 #define        LINUX_BLKSECTGET        0x1267
 #define        LINUX_BLKSSZGET         0x1268
+#define        LINUX_BLKGETSIZE64      0x1272
 
 #define LINUX_IOCTL_DISK_MIN    LINUX_BLKROSET
-#define LINUX_IOCTL_DISK_MAX    LINUX_BLKSSZGET
+#define LINUX_IOCTL_DISK_MAX    LINUX_BLKGETSIZE64
 
 /*
  * hdio
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