diff options
| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2017-11-06 21:28:07 +0100 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2017-11-17 22:43:47 +0100 |
| commit | 7380020e77b61361207420e78a9da925bc79ab4b (patch) | |
| tree | 77d774e332879e81983b0afd1204a93061daea15 /fs/nfs | |
| parent | NFSv4: Don't try to CLOSE if the stateid 'other' field has changed (diff) | |
| download | linux-7380020e77b61361207420e78a9da925bc79ab4b.tar.xz linux-7380020e77b61361207420e78a9da925bc79ab4b.zip | |
pNFS: Retry NFS4ERR_OLD_STATEID errors in layoutreturn-on-close
If our layoutreturn on close operation returns an NFS4ERR_OLD_STATEID,
then try to update the stateid and retry. We know that there should
be no further LAYOUTGET requests being launched.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/nfs4proc.c | 18 | ||||
| -rw-r--r-- | fs/nfs/pnfs.c | 18 | ||||
| -rw-r--r-- | fs/nfs/pnfs.h | 6 |
3 files changed, 40 insertions, 2 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index ef313d602a85..7ff9c43f79eb 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -3166,11 +3166,18 @@ static void nfs4_close_done(struct rpc_task *task, void *data) calldata->arg.lr_args = NULL; calldata->res.lr_res = NULL; break; + case -NFS4ERR_OLD_STATEID: + if (nfs4_refresh_layout_stateid(&calldata->arg.lr_args->stateid, + calldata->inode)) { + calldata->res.lr_ret = 0; + rpc_restart_call_prepare(task); + return; + } + /* Fallthrough */ case -NFS4ERR_ADMIN_REVOKED: case -NFS4ERR_DELEG_REVOKED: case -NFS4ERR_EXPIRED: case -NFS4ERR_BAD_STATEID: - case -NFS4ERR_OLD_STATEID: case -NFS4ERR_UNKNOWN_LAYOUTTYPE: case -NFS4ERR_WRONG_CRED: calldata->arg.lr_args = NULL; @@ -5771,11 +5778,18 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata) data->args.lr_args = NULL; data->res.lr_res = NULL; break; + case -NFS4ERR_OLD_STATEID: + if (nfs4_refresh_layout_stateid(&data->args.lr_args->stateid, + data->inode)) { + data->res.lr_ret = 0; + rpc_restart_call_prepare(task); + return; + } + /* Fallthrough */ case -NFS4ERR_ADMIN_REVOKED: case -NFS4ERR_DELEG_REVOKED: case -NFS4ERR_EXPIRED: case -NFS4ERR_BAD_STATEID: - case -NFS4ERR_OLD_STATEID: case -NFS4ERR_UNKNOWN_LAYOUTTYPE: case -NFS4ERR_WRONG_CRED: data->args.lr_args = NULL; diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index ec30dacf1a24..d602fe9e1ac8 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -355,6 +355,24 @@ pnfs_clear_lseg_state(struct pnfs_layout_segment *lseg, } /* + * Update the seqid of a layout stateid + */ +bool nfs4_refresh_layout_stateid(nfs4_stateid *dst, struct inode *inode) +{ + struct pnfs_layout_hdr *lo; + bool ret = false; + + spin_lock(&inode->i_lock); + lo = NFS_I(inode)->layout; + if (lo && nfs4_stateid_match_other(dst, &lo->plh_stateid)) { + dst->seqid = lo->plh_stateid.seqid; + ret = true; + } + spin_unlock(&inode->i_lock); + return ret; +} + +/* * Mark a pnfs_layout_hdr and all associated layout segments as invalid * * In order to continue using the pnfs_layout_hdr, a full recovery diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h index 78de7a2052f7..8d507c361d98 100644 --- a/fs/nfs/pnfs.h +++ b/fs/nfs/pnfs.h @@ -252,6 +252,7 @@ int pnfs_destroy_layouts_byfsid(struct nfs_client *clp, bool is_recall); int pnfs_destroy_layouts_byclid(struct nfs_client *clp, bool is_recall); +bool nfs4_refresh_layout_stateid(nfs4_stateid *dst, struct inode *inode); void pnfs_put_layout_hdr(struct pnfs_layout_hdr *lo); void pnfs_set_layout_stateid(struct pnfs_layout_hdr *lo, const nfs4_stateid *new, @@ -765,6 +766,11 @@ static inline void nfs4_pnfs_v3_ds_connect_unload(void) { } +static inline bool nfs4_refresh_layout_stateid(nfs4_stateid *dst, + struct inode *inode) +{ + return false; +} #endif /* CONFIG_NFS_V4_1 */ #if IS_ENABLED(CONFIG_NFS_V4_2) |