On (09/12/13 15:12), Greg KH wrote: > On Wed, Sep 11, 2013 at 02:12:50AM +0300, Sergey Senozhatsky wrote: > > Dan Carpenter noted that handle_pending_slot_free() is racy with > > zram_reset_device(). Take write init_lock in zram_slot_free(), thus > > preventing any concurrent zram_slot_free(), zram_bvec_rw() or > > zram_reset_device(). This also allows to safely check zram->init_done > > in handle_pending_slot_free(). > > > > Initial intention was to minimze number of handle_pending_slot_free() > > call from zram_bvec_rw(), which were slowing down READ requests due to > > slot_free_lock spin lock. Jerome Marchand suggested to remove > > handle_pending_slot_free() from zram_bvec_rw(). > > > > Link: https://lkml.org/lkml/2013/9/9/172 > > Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx> > > I have multiple versions of this and the other zram patches from you, > with no idea of which to accept. yes, please, drop all patches. I did not Cc you in these two patches to stop spamming your inbox with multiply versions. I will send them back to you as soon as I get positive feedback. > So, I'm going to drop them all, can you please resend what you wish to > submit, and in the future, be a bit more obvious with your "vN" > markings? > sorry for that. -ss > thanks, > > greg k-h > _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
