Re: [PATCH] Fix potential OOPS in generic_setlease() (v2)

2007-09-20 Thread J. Bruce Fields
OK, this version I can't see any more problem with. Thanks! --b. On Thu, Sep 20, 2007 at 12:48:32PM +0400, Pavel Emelyanov wrote: > This code is run under lock_kernel(), which is dropped during > sleeping operations, so the following race is possible: > > CPU1:CP

Re: [PATCH] Fix potential OOPS in generic_setlease()

2007-09-20 Thread Pavel Emelyanov
J. Bruce Fields wrote: > On Wed, Sep 19, 2007 at 06:26:05PM +0400, Pavel Emelyanov wrote: >> This code is run under lock_kernel(), which is dropped during >> sleeping operations, so the following race is possible: >> >> CPU1:CPU2: >> vfs_setlease();

Re: [PATCH] Fix potential OOPS in generic_setlease()

2007-09-19 Thread J. Bruce Fields
On Wed, Sep 19, 2007 at 06:26:05PM +0400, Pavel Emelyanov wrote: > This code is run under lock_kernel(), which is dropped during > sleeping operations, so the following race is possible: > > CPU1:CPU2: > vfs_setlease();vfs_setlease(); > lock_