Re: [PATCH] nfsd + scalability

2001-02-22 Thread Neil Brown
On Thursday February 22, [EMAIL PROTECTED] wrote: > On Thu, 22 Feb 2001, Neil Brown wrote: > > > > Certainly I would like to not hold the BKL so much, but I'm curious > > how much effect it will really have. Do you have any data on the > > effect of this change? > > Depends very much on the h

Re: [PATCH] nfsd + scalability

2001-02-22 Thread Mark Hemment
On Thu, 22 Feb 2001, Neil Brown wrote: > On Sunday February 18, [EMAIL PROTECTED] wrote: > > Hi Neil, all, > > > > The nfs daemons run holding the global kernel lock. They still hold > > this lock over calls to file_op's read and write. > > [snip] > > Dropping the kernel lock around read an

Re: [PATCH] nfsd + scalability

2001-02-21 Thread Neil Brown
On Sunday February 18, [EMAIL PROTECTED] wrote: > Hi Neil, all, > > The nfs daemons run holding the global kernel lock. They still hold > this lock over calls to file_op's read and write. > > The file system kernel interface (FSKI) doesn't require the kernel lock > to be held over these rea

[PATCH] nfsd + scalability

2001-02-18 Thread Mark Hemment
Hi Neil, all, The nfs daemons run holding the global kernel lock. They still hold this lock over calls to file_op's read and write. The file system kernel interface (FSKI) doesn't require the kernel lock to be held over these read/write calls. The nfs daemons do not require that the reads