Messages in this thread | | | From | <> | Date | Thu, 11 Aug 2011 02:21:17 -0400 | Subject | RE: Linux 3.1-rc1 (nfs/pnfs and drivers/md) |
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> -----Original Message----- > From: Christoph Hellwig [mailto:hch@infradead.org] > Sent: Thursday, August 11, 2011 2:07 PM > To: Peng, Tao > Cc: torvalds@linux-foundation.org; rdunlap@xenotime.net; bergwolf@gmail.com; > Trond.Myklebust@netapp.com; linux-raid@vger.kernel.org; > linux-kernel@vger.kernel.org; linux-nfs@vger.kernel.org > Subject: Re: Linux 3.1-rc1 (nfs/pnfs and drivers/md) > > Note that the object layout also effectively needs the block layer. > That is taken care of by PNFS_OBJLAYOUT depending on SCSI_OSD_ULD.
The dependency chain for PNFS_OBJLAYOUT on BLOCK is: PNFS_OBJLAYOUT-> SCSI_OSD_ULD -> SCSI_OSD_INITIATOR -> SCSI-> BLOCK
With the patch, if CONFIG_BLOCK is not set, pnfs file layout can still be built.
Thanks, Tao
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