diff options
| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2024-06-13 07:00:52 +0200 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2024-07-08 19:47:26 +0200 |
| commit | bbbff6d5edd1079b9984da927d9cd4d49095fca9 (patch) | |
| tree | 1c950dcb6ea8820676786b773218c3cafd5ab263 | |
| parent | NFSv4/pNFS: Handle server reboots in pnfs_poc_release() (diff) | |
| download | linux-bbbff6d5edd1079b9984da927d9cd4d49095fca9.tar.xz linux-bbbff6d5edd1079b9984da927d9cd4d49095fca9.zip | |
NFSv4/pNFS: Retry the layout return later in case of a timeout or reboot
If the layout return failed due to a timeout or reboot, then leave the
layout segments on the list so that the layout return gets replayed
later.
The exception would be if we're freeing the inode.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
| -rw-r--r-- | fs/nfs/nfs4proc.c | 21 | ||||
| -rw-r--r-- | fs/nfs/pnfs.c | 12 | ||||
| -rw-r--r-- | fs/nfs/pnfs.h | 3 |
3 files changed, 35 insertions, 1 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index db585a6a8f0d..e5103fa9d410 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -9973,6 +9973,11 @@ static void nfs4_layoutreturn_done(struct rpc_task *task, void *calldata) if (!nfs41_sequence_process(task, &lrp->res.seq_res)) return; + if (task->tk_rpc_status == -ETIMEDOUT) { + lrp->rpc_status = -EAGAIN; + lrp->res.lrs_present = 0; + return; + } /* * Was there an RPC level error? Assume the call succeeded, * and that we need to release the layout @@ -9995,6 +10000,15 @@ static void nfs4_layoutreturn_done(struct rpc_task *task, void *calldata) fallthrough; case 0: break; + case -NFS4ERR_BADSESSION: + case -NFS4ERR_DEADSESSION: + case -NFS4ERR_CONN_NOT_BOUND_TO_SESSION: + nfs4_schedule_session_recovery(server->nfs_client->cl_session, + task->tk_status); + lrp->res.lrs_present = 0; + lrp->rpc_status = -EAGAIN; + task->tk_status = 0; + break; case -NFS4ERR_DELAY: if (nfs4_async_handle_error(task, server, NULL, NULL) != -EAGAIN) break; @@ -10012,8 +10026,13 @@ static void nfs4_layoutreturn_release(void *calldata) struct nfs4_layoutreturn *lrp = calldata; struct pnfs_layout_hdr *lo = lrp->args.layout; - pnfs_layoutreturn_free_lsegs(lo, &lrp->args.stateid, &lrp->args.range, + if (lrp->rpc_status == 0 || !lrp->inode) + pnfs_layoutreturn_free_lsegs( + lo, &lrp->args.stateid, &lrp->args.range, lrp->res.lrs_present ? &lrp->res.stateid : NULL); + else + pnfs_layoutreturn_retry_later(lo, &lrp->args.stateid, + &lrp->args.range); nfs4_sequence_free_slot(&lrp->res.seq_res); if (lrp->ld_private.ops && lrp->ld_private.ops->free) lrp->ld_private.ops->free(&lrp->ld_private); diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index c8b1be1810e2..04a52fa3d28c 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -1191,6 +1191,18 @@ pnfs_layoutreturn_retry_later_locked(struct pnfs_layout_hdr *lo, } } +void pnfs_layoutreturn_retry_later(struct pnfs_layout_hdr *lo, + const nfs4_stateid *arg_stateid, + const struct pnfs_layout_range *range) +{ + struct inode *inode = lo->plh_inode; + + spin_lock(&inode->i_lock); + pnfs_layoutreturn_retry_later_locked(lo, arg_stateid, range); + pnfs_clear_layoutreturn_waitbit(lo); + spin_unlock(&inode->i_lock); +} + void pnfs_layoutreturn_free_lsegs(struct pnfs_layout_hdr *lo, const nfs4_stateid *arg_stateid, const struct pnfs_layout_range *range, diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h index 8fa0f152ed19..cd23a38eac75 100644 --- a/fs/nfs/pnfs.h +++ b/fs/nfs/pnfs.h @@ -328,6 +328,9 @@ struct pnfs_layout_segment *pnfs_update_layout(struct inode *ino, enum pnfs_iomode iomode, bool strict_iomode, gfp_t gfp_flags); +void pnfs_layoutreturn_retry_later(struct pnfs_layout_hdr *lo, + const nfs4_stateid *arg_stateid, + const struct pnfs_layout_range *range); void pnfs_layoutreturn_free_lsegs(struct pnfs_layout_hdr *lo, const nfs4_stateid *arg_stateid, const struct pnfs_layout_range *range, |