kernel/git/stable/linux.git/fs/nfs/flexfilelayout, branch linux-4.13.y

nfs/flexfiles: fix leak of nfs4_ff_ds_version arrays

2017-08-08T21:18:10+00:00

The client was freeing the nfs4_ff_layout_ds, but not the contained nfs4_ff_ds_version array. Signed-off-by: Weston Andros Adamson Cc: stable@vger.kernel.org # v4.0+ Signed-off-by: Anna Schumaker

pNFS/flexfiles: Handle expired layout segments in ff_layout_initiate_commit()

2017-07-19T19:28:21+00:00

If the layout has expired due to a fencing event, then we should not attempt to commit to the DS. Signed-off-by: Trond Myklebust Signed-off-by: Anna Schumaker

PNFS for stateid errors retry against MDS first

2017-07-13T20:00:08+00:00

Upon receiving a stateid error such as BAD_STATEID, the client should retry the operation against the MDS before deciding to do stateid recovery. Previously, the code would initiate state recovery and it could lead to a race in a state manager that could chose an incorrect recovery method which would lead to the EIO failure for the application. Signed-off-by: Olga Kornievskaia Signed-off-by: Anna Schumaker

pNFS/flexfiles: missing error code in ff_layout_alloc_lseg()

2017-05-24T11:52:54+00:00

If xdr_inline_decode() fails then we end up returning ERR_PTR(0). The caller treats NULL returns as -ENOMEM so it doesn't really hurt runtime, but obviously we intended to set an error code here. Fixes: d67ae825a59d ("pnfs/flexfiles: Add the FlexFile Layout Driver") Signed-off-by: Dan Carpenter Signed-off-by: Trond Myklebust

pNFS/flexfiles: Always attempt to call layoutstats when flexfiles is enabled

2017-05-09T20:02:57+00:00

Layoutstats is always desirable when using the flexfiles driver, so we should enable it if that driver is being loaded. It is safe to do so, because even when the mount specifies NFSv4.1, we will turn it off if the server tells us it is unsupported. Signed-off-by: Trond Myklebust

pNFS/flexfiles: Fix up the ff_layout_write_pagelist failure path

2017-04-29T04:02:37+00:00

If the attempt to write through pNFS fails, we need to use the same failure semantics as for the read path: If the FF_FLAGS_NO_IO_THRU_MDS flag is set or we have sufficient valid DSes, then we must retry through pNFS Fixes: d67ae825a59d ("pnfs/flexfiles: Add the FlexFile Layout Driver") Signed-off-by: Trond Myklebust

pNFS: Ensure we check layout segment validity in the pg_init() callback

2017-04-25T14:56:19+00:00

If we have a layout segment cached in pgio->pg_lseg, we should check it for validity before reusing it in a new RPC request. Otherwise, if we recoalesce, we can end up looping forever. Signed-off-by: Trond Myklebust

pNFS/flexfiles: Check the result of nfs4_pnfs_ds_connect

2017-04-20T18:37:37+00:00

The check in nfs4_ff_layout_prepare_ds() seems to be missing. Signed-off-by: Trond Myklebust Fixes: a33e4b036d461 ("pNFS: return status from nfs4_pnfs_ds_connect") Cc: Weston Andros Adamson Cc: stable@vger.kernel.org # v4.11

nfs: flexfilelayout: remove v3-only data server limitation

2017-04-20T17:35:24+00:00

Flexfilelayout supports data servers which talk NFS v3 and v4.{0,1,2}. However, this code path is disabled and v3 only servers are accepted. This change removes this limitation. Signed-off-by: Tigran Mkrtchyan Signed-off-by: Trond Myklebust

Merge tag 'nfs-for-4.11-3' of git://git.linux-nfs.org/projects/anna/linux-nfs

2017-03-31T19:29:03+00:00

Pull NFS client fixes from Anna Schumaker: "Here are a few more bugfixes that came in over the last couple of weeks. Most of these fix various hangs and loops that people found, but we also had a few error handling fixes. Stable Bugfixes: - fix infinite loop on BAD_STATEID error Other Bugfixes: - fix old dentry rehash after move - fix pnfs GETDEVINFO hangs - fix pnfs fallback to MDS on commit errors - fix flexfiles kernel oops" * tag 'nfs-for-4.11-3' of git://git.linux-nfs.org/projects/anna/linux-nfs: nfs: flexfiles: fix kernel OOPS if MDS returns unsupported DS type NFSv4.1 fix infinite loop on IO BAD_STATEID error PNFS fix fallback to MDS if got error on commit to DS NFS filelayout:call GETDEVICEINFO after pnfs_layout_process completes NFS store nfs4_deviceid in struct nfs4_filelayout_segment NFS cleanup struct nfs4_filelayout_segment NFS: Fix old dentry rehash after move