Re: stop using buffer heads in xfs and iomap

2018-05-11 Thread Darrick J. Wong
On Fri, May 11, 2018 at 08:22:08AM +0200, Christoph Hellwig wrote: > On Thu, May 10, 2018 at 08:13:03AM -0700, Darrick J. Wong wrote: > > I ran xfstests on this for fun last night but hung in g/095: > > > > FSTYP -- xfs (debug) > > PLATFORM -- Linux/x86_64 submarine-djwong-mtr01

Re: stop using buffer heads in xfs and iomap

2018-05-11 Thread Christoph Hellwig
On Thu, May 10, 2018 at 08:13:03AM -0700, Darrick J. Wong wrote: > I ran xfstests on this for fun last night but hung in g/095: > > FSTYP -- xfs (debug) > PLATFORM -- Linux/x86_64 submarine-djwong-mtr01 4.17.0-rc4-djw > MKFS_OPTIONS -- -f -m reflink=1,rmapbt=1, -i sparse=1, -b

Re: stop using buffer heads in xfs and iomap

2018-05-10 Thread Darrick J. Wong
On Wed, May 09, 2018 at 09:47:57AM +0200, Christoph Hellwig wrote: > Hi all, > > this series adds support for reading blocks from disk using the iomap > interface, and then gradually switched the buffered I/O path to not > require buffer heads. It has survived xfstests for 1k and 4k block >

stop using buffer heads in xfs and iomap

2018-05-09 Thread Christoph Hellwig
Hi all, this series adds support for reading blocks from disk using the iomap interface, and then gradually switched the buffered I/O path to not require buffer heads. It has survived xfstests for 1k and 4k block size. There are various small changes to the core VFS, block and readahead code to