Hi Zefan, On Tue, Mar 26, 2013 at 4:45 PM, Ming Lei <ming.lei@xxxxxxxxxxxxx> wrote: > On Tue, Mar 26, 2013 at 3:30 PM, Li Zefan <lizefan@xxxxxxxxxx> wrote: >>> Considered that vfs_read()/vfs_write on sysfs dir is almost doing nothing, the >>> above problem may only exist in theory. >> >> The read() vs readdir() race in sysfs directory doesn't exist in theory only. > > Could you let me know if you have applied the two patches on your test? > > https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/?id=e5110f411d2ee35bf8d202ccca2e89c633060dca > > https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/?id=991f76f837bf22c5bb07261cfd86525a0a96650c > > Also I appreciate it if you may share your test case... If you mean the test code on link[1], I can't reproduce the warning with the two sysfs fix patches in 4 hours's test. [1], https://patchwork.kernel.org/patch/2160771/ Thanks, -- Ming Lei -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html