diff options
Diffstat (limited to 'extras/multipath/sg_include.h')
-rw-r--r-- | extras/multipath/sg_include.h | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/extras/multipath/sg_include.h b/extras/multipath/sg_include.h deleted file mode 100644 index 460506826e..0000000000 --- a/extras/multipath/sg_include.h +++ /dev/null @@ -1,43 +0,0 @@ -#ifdef SG_KERNEL_INCLUDES - #define __user - typedef unsigned char u8; - #include "/usr/src/linux/include/scsi/sg.h" - #include "/usr/src/linux/include/scsi/scsi.h" -#else - #ifdef SG_TRICK_GNU_INCLUDES - #include <linux/../scsi/sg.h> - #include <linux/../scsi/scsi.h> - #else - #include <scsi/sg.h> - #endif -#endif - -/* - Getting the correct include files for the sg interface can be an ordeal. - In a perfect world, one would just write: - #include <scsi/sg.h> - #include <scsi/scsi.h> - This would include the files found in the /usr/include/scsi directory. - Those files are maintained with the GNU library which may or may not - agree with the kernel and version of sg driver that is running. Any - many cases this will not matter. However in some it might, for example - glibc 2.1's include files match the sg driver found in the lk 2.2 - series. Hence if glibc 2.1 is used with lk 2.4 then the additional - sg v3 interface will not be visible. - If this is a problem then defining SG_KERNEL_INCLUDES will access the - kernel supplied header files (assuming they are in the normal place). - The GNU library maintainers and various kernel people don't like - this approach (but it does work). - The technique selected by defining SG_TRICK_GNU_INCLUDES worked (and - was used) prior to glibc 2.2 . Prior to that version /usr/include/linux - was a symbolic link to /usr/src/linux/include/linux . - - There are other approaches if this include "mixup" causes pain. These - would involve include files being copied or symbolic links being - introduced. - - Sorry about the inconvenience. Typically neither SG_KERNEL_INCLUDES - nor SG_TRICK_GNU_INCLUDES is defined. - - dpg 20010415, 20030522 -*/ |