Will the new interface be used to fix http://defect.opensolaris.org/bz/show_bug.cgi?id=252 ?
Thanks, Harry On Tue, 2009-12-01 at 15:20 -0800, Garrett D'Amore - sun microsystems wrote: > The following case is so obvious that it could possibly be scoped as an > automatic case. However, given that it is introducing a new Committed > ioctl, its a fast-track. > > - Garrett > > Template Version: @(#)sac_nextcase 1.68 02/23/09 SMI > This information is Copyright 2009 Sun Microsystems > 1. Introduction > 1.1. Project/Component Working Name: > DKIOCREADONLY > 1.2. Name of Document Author/Supplier: > Author: Garrett D'Amore > 1.3 Date of This Document: > 01 December, 2009 > 4. Technical Description > > Currently, the "hal" daemon that is responsible for automatically mounting > media is unable to mount read-only SDcard (write protect tab enabled) media, > because it has no way to detect this media needs to be mounted read only. > (hal is implemented with run-time checks for floppy media, and with a hard > coded rule for CDROM media.) > > What is needed is a generic run-time check via an ioctl, that hal can use > to determine if it is appropriate to perform a read-only mount. > > Therefore, we propose a new ioctl code be added to dkio(7I), as follows > (note that this is in the style of the existing man page, which is technically > not quite right): > > DKIOCREADONLY > > The argument to this ioctl() is an integer. After suc- > cessful completion, this ioctl() sets that integer to > a non-zero value if the drive in question has read-only > media. If the media is writable, or not present, the > integer is set to 0. > > (Technically, the argument is *pointer* to an integer, but that's true > for the other ioctls documented in dkio(7D).) > > Note that sd(7D) does not currently implement this, and will return > an errno (ENOTTY, I believe). > > We request "patch" binding for this ioctl (although we have no plans to > backport), and Committed stability level. > > > 6. Resources and Schedule > 6.4. Steering Committee requested information > 6.4.1. Consolidation C-team Name: > ON > 6.5. ARC review type: FastTrack > 6.6. ARC Exposure: open > > _______________________________________________ > opensolaris-arc mailing list > opensolaris-arc at opensolaris.org -- Harry.Lu at Sun.COM OpenSolaris Desktop Group, Sun Microsystems Phone ext. 82870
