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| -rw-r--r-- | open_issues/blkrrpart_ioctl.mdwn | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/open_issues/blkrrpart_ioctl.mdwn b/open_issues/blkrrpart_ioctl.mdwn deleted file mode 100644 index b3a91bfb..00000000 --- a/open_issues/blkrrpart_ioctl.mdwn +++ /dev/null @@ -1,32 +0,0 @@ -[[!meta copyright="Copyright © 2009 Free Software Foundation, Inc."]] - -[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable -id="license" text="Permission is granted to copy, distribute and/or modify this -document under the terms of the GNU Free Documentation License, Version 1.2 or -any later version published by the Free Software Foundation; with no Invariant -Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license -is included in the section entitled -[[GNU Free Documentation License|/fdl]]."]]"""]] - -[[!meta title="BLKRRPART IOCTL"]] - -[[!tag open_issue_glibc open_issue_hurd open_issue_gnumach]] - -Just like in other Unix systems one can, for example, use `fdisk` or `parted` -to manage hard disks' partition tables. After doing changes to a disk's -partition table, the kernel has to be instructed to reinitialize its internal -data structures: where does a partition begin, where does it end, etc. - -With `fdisk` and friends this is done on Linux with the `BLKRRPART` IOCTL, -which is used to tell the kernel to reread the disk's partition table. - -`parted` also uses this interface on Linux, but for GNU Hurd, the corresponding -function, `libparted/arch/gnu.c (gnu_disk_commit)`, doesn't do anything at all. -The infrastructure in [[GNU_Mach|microkernel/mach/gnumach]] is already there, -`linux/src/drivers/block/ide.c (ide_ioctl) <BLKRRPART>` and -`linux/src/drivers/scsi/sd_ioctl.c (sd_ioctl) <BLKRRPART>`, but the IOCTL needs -to be routed from `libparted` through [[hurd/glibc]]'s Hurd IOCTL interface, -through Hurd's [[hurd/libstore]], to [[GNU_Mach|microkernel/mach/gnumach]]. - -This is not a huge project, and actually one that is suitable for someone who -wants to start with hacking the system. |