[RFC PATCH] mm: readahead: add readahead_shift into backing device

2019-03-22 Thread Martin Liu
ng device to achieve its goal. Signed-off-by: Martin Liu --- I'd like to get some feedback about the patch. If you have any concern, please let me know. Thanks. --- block/blk-sysfs.c| 28 include/linux/backing-dev-defs.h | 1 + include/linu

Re: [RFC] driver core: don't hold dev's parent lock when using async probe

2018-05-24 Thread Martin Liu
On Thu, May 24, 2018 at 11:02:57AM -0400, Alan Stern wrote: > On Thu, 24 May 2018, Martin Liu wrote: > > > On Tue, May 22, 2018 at 01:09:44PM -0400, Alan Stern wrote: > > > On Tue, 22 May 2018, martin_liu wrote: > > > > > > > not sure if we s

Re: [RFC] driver core: don't hold dev's parent lock when using async probe

2018-05-24 Thread Martin Liu
On Tue, May 22, 2018 at 01:09:44PM -0400, Alan Stern wrote: > On Tue, 22 May 2018, martin_liu wrote: > > > not sure if we still need 'bf74ad5bc417 ("[PATCH] Hold the > > device's parent's lock during probe and remove")' since it has > > been there over 10 years. If we still need it and hard to fix