On Mon, 22 July 2013 12:40:29 +0800, Vaughan Cao wrote: > > There is a race when open sg with O_EXCL flag. Also a race may happen between > sg_open and sg_remove. > > Changes from v4: > * [3/4] use ERR_PTR series instead of adding another parameter in sg_add_sfp > * [4/4] fix conflict for cherry-pick from v3. > > Changes from v3: > * release o_sem in sg_release(), not in sg_remove_sfp(). > * not set exclude with sfd_lock held. > > Vaughan Cao (4): > [SCSI] sg: use rwsem to solve race during exclusive open > [SCSI] sg: no need sg_open_exclusive_lock > [SCSI] sg: checking sdp->detached isn't protected when open > [SCSI] sg: push file descriptor list locking down to per-device > locking > > drivers/scsi/sg.c | 178 +++++++++++++++++++++++++----------------------------- > 1 file changed, 83 insertions(+), 95 deletions(-) Patchset looks good to me, although I didn't test it on hardware yet. Signed-off-by: Joern Engel <joern@xxxxxxxxx> James, care to pick this up? Jörn -- Good warriors cause others to come to them and do not go to others. -- Sun Tzu -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
