diff options
Diffstat (limited to 'fs/nfs')
-rw-r--r-- | fs/nfs/callback_xdr.c | 4 | ||||
-rw-r--r-- | fs/nfs/delegation.c | 11 | ||||
-rw-r--r-- | fs/nfs/delegation.h | 1 | ||||
-rw-r--r-- | fs/nfs/nfs4_fs.h | 3 | ||||
-rw-r--r-- | fs/nfs/nfs4proc.c | 64 | ||||
-rw-r--r-- | fs/nfs/nfs4state.c | 33 |
6 files changed, 93 insertions, 23 deletions
diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c index 726e59a9e50f..168cb932db22 100644 --- a/fs/nfs/callback_xdr.c +++ b/fs/nfs/callback_xdr.c @@ -9,6 +9,8 @@ #include <linux/sunrpc/svc.h> #include <linux/nfs4.h> #include <linux/nfs_fs.h> +#include <linux/ratelimit.h> +#include <linux/printk.h> #include <linux/slab.h> #include <linux/sunrpc/bc_xprt.h> #include "nfs4_fs.h" @@ -167,7 +169,7 @@ static __be32 decode_compound_hdr_arg(struct xdr_stream *xdr, struct cb_compound if (hdr->minorversion <= 1) { hdr->cb_ident = ntohl(*p++); /* ignored by v4.1 */ } else { - printk(KERN_WARNING "%s: NFSv4 server callback with " + pr_warn_ratelimited("NFS: %s: NFSv4 server callback with " "illegal minor version %u!\n", __func__, hdr->minorversion); return htonl(NFS4ERR_MINOR_VERS_MISMATCH); diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c index 7f2654069806..ac889af8ccf5 100644 --- a/fs/nfs/delegation.c +++ b/fs/nfs/delegation.c @@ -466,6 +466,17 @@ static void nfs_delegation_run_state_manager(struct nfs_client *clp) nfs4_schedule_state_manager(clp); } +void nfs_remove_bad_delegation(struct inode *inode) +{ + struct nfs_delegation *delegation; + + delegation = nfs_detach_delegation(NFS_I(inode), NFS_SERVER(inode)); + if (delegation) { + nfs_inode_find_state_and_recover(inode, &delegation->stateid); + nfs_free_delegation(delegation); + } +} + /** * nfs_expire_all_delegation_types * @clp: client to process diff --git a/fs/nfs/delegation.h b/fs/nfs/delegation.h index d9322e490c56..691a79609184 100644 --- a/fs/nfs/delegation.h +++ b/fs/nfs/delegation.h @@ -45,6 +45,7 @@ void nfs_expire_unreferenced_delegations(struct nfs_client *clp); void nfs_handle_cb_pathdown(struct nfs_client *clp); int nfs_client_return_marked_delegations(struct nfs_client *clp); int nfs_delegations_present(struct nfs_client *clp); +void nfs_remove_bad_delegation(struct inode *inode); void nfs_delegation_mark_reclaim(struct nfs_client *clp); void nfs_delegation_reap_unclaimed(struct nfs_client *clp); diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index 693ae22f8731..0983b2581ea3 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -191,6 +191,7 @@ struct nfs4_exception { long timeout; int retry; struct nfs4_state *state; + struct inode *inode; }; struct nfs4_state_recovery_ops { @@ -324,6 +325,8 @@ extern void nfs4_put_open_state(struct nfs4_state *); extern void nfs4_close_state(struct nfs4_state *, fmode_t); extern void nfs4_close_sync(struct nfs4_state *, fmode_t); extern void nfs4_state_set_mode_locked(struct nfs4_state *, fmode_t); +extern void nfs_inode_find_state_and_recover(struct inode *inode, + const nfs4_stateid *stateid); extern void nfs4_schedule_lease_recovery(struct nfs_client *); extern void nfs4_schedule_state_manager(struct nfs_client *); extern void nfs4_schedule_path_down_recovery(struct nfs_client *clp); diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index e52703080c6d..d9457002ca04 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -257,15 +257,28 @@ static int nfs4_handle_exception(struct nfs_server *server, int errorcode, struc { struct nfs_client *clp = server->nfs_client; struct nfs4_state *state = exception->state; + struct inode *inode = exception->inode; int ret = errorcode; exception->retry = 0; switch(errorcode) { case 0: return 0; + case -NFS4ERR_OPENMODE: + if (nfs_have_delegation(inode, FMODE_READ)) { + nfs_inode_return_delegation(inode); + exception->retry = 1; + return 0; + } + if (state == NULL) + break; + nfs4_schedule_stateid_recovery(server, state); + goto wait_on_recovery; + case -NFS4ERR_DELEG_REVOKED: case -NFS4ERR_ADMIN_REVOKED: case -NFS4ERR_BAD_STATEID: - case -NFS4ERR_OPENMODE: + if (state != NULL) + nfs_remove_bad_delegation(state->inode); if (state == NULL) break; nfs4_schedule_stateid_recovery(server, state); @@ -1316,8 +1329,11 @@ int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state * The show must go on: exit, but mark the * stateid as needing recovery. */ + case -NFS4ERR_DELEG_REVOKED: case -NFS4ERR_ADMIN_REVOKED: case -NFS4ERR_BAD_STATEID: + nfs_inode_find_state_and_recover(state->inode, + stateid); nfs4_schedule_stateid_recovery(server, state); case -EKEYEXPIRED: /* @@ -1822,7 +1838,7 @@ static struct nfs4_state *nfs4_do_open(struct inode *dir, struct dentry *dentry, * the user though... */ if (status == -NFS4ERR_BAD_SEQID) { - printk(KERN_WARNING "NFS: v4 server %s " + pr_warn_ratelimited("NFS: v4 server %s " " returned a bad sequence-id error!\n", NFS_SERVER(dir)->nfs_client->cl_hostname); exception.retry = 1; @@ -1893,7 +1909,10 @@ static int nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred, struct nfs4_state *state) { struct nfs_server *server = NFS_SERVER(inode); - struct nfs4_exception exception = { }; + struct nfs4_exception exception = { + .state = state, + .inode = inode, + }; int err; do { err = nfs4_handle_exception(server, @@ -2223,11 +2242,12 @@ static int nfs4_lookup_root(struct nfs_server *server, struct nfs_fh *fhandle, switch (err) { case 0: case -NFS4ERR_WRONGSEC: - break; + goto out; default: err = nfs4_handle_exception(server, err, &exception); } } while (exception.retry); +out: return err; } @@ -3707,8 +3727,11 @@ nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server, if (task->tk_status >= 0) return 0; switch(task->tk_status) { + case -NFS4ERR_DELEG_REVOKED: case -NFS4ERR_ADMIN_REVOKED: case -NFS4ERR_BAD_STATEID: + if (state != NULL) + nfs_remove_bad_delegation(state->inode); case -NFS4ERR_OPENMODE: if (state == NULL) break; @@ -4526,7 +4549,9 @@ out: static int nfs4_proc_setlk(struct nfs4_state *state, int cmd, struct file_lock *request) { - struct nfs4_exception exception = { }; + struct nfs4_exception exception = { + .state = state, + }; int err; do { @@ -4619,6 +4644,7 @@ int nfs4_lock_delegation_recall(struct nfs4_state *state, struct file_lock *fl) * The show must go on: exit, but mark the * stateid as needing recovery. */ + case -NFS4ERR_DELEG_REVOKED: case -NFS4ERR_ADMIN_REVOKED: case -NFS4ERR_BAD_STATEID: case -NFS4ERR_OPENMODE: @@ -5957,21 +5983,22 @@ nfs4_layoutcommit_done(struct rpc_task *task, void *calldata) return; switch (task->tk_status) { /* Just ignore these failures */ - case NFS4ERR_DELEG_REVOKED: /* layout was recalled */ - case NFS4ERR_BADIOMODE: /* no IOMODE_RW layout for range */ - case NFS4ERR_BADLAYOUT: /* no layout */ - case NFS4ERR_GRACE: /* loca_recalim always false */ + case -NFS4ERR_DELEG_REVOKED: /* layout was recalled */ + case -NFS4ERR_BADIOMODE: /* no IOMODE_RW layout for range */ + case -NFS4ERR_BADLAYOUT: /* no layout */ + case -NFS4ERR_GRACE: /* loca_recalim always false */ task->tk_status = 0; - } - - if (nfs4_async_handle_error(task, server, NULL) == -EAGAIN) { - rpc_restart_call_prepare(task); - return; - } - - if (task->tk_status == 0) + break; + case 0: nfs_post_op_update_inode_force_wcc(data->args.inode, data->res.fattr); + break; + default: + if (nfs4_async_handle_error(task, server, NULL) == -EAGAIN) { + rpc_restart_call_prepare(task); + return; + } + } } static void nfs4_layoutcommit_release(void *calldata) @@ -6074,11 +6101,12 @@ nfs41_proc_secinfo_no_name(struct nfs_server *server, struct nfs_fh *fhandle, case 0: case -NFS4ERR_WRONGSEC: case -NFS4ERR_NOTSUPP: - break; + goto out; default: err = nfs4_handle_exception(server, err, &exception); } } while (exception.retry); +out: return err; } diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index a58eed784aed..66020acf2ecd 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -935,7 +935,7 @@ static void nfs_increment_seqid(int status, struct nfs_seqid *seqid) case -NFS4ERR_BAD_SEQID: if (seqid->sequence->flags & NFS_SEQID_CONFIRMED) return; - printk(KERN_WARNING "NFS: v4 server returned a bad" + pr_warn_ratelimited("NFS: v4 server returned a bad" " sequence-id error on an" " unconfirmed sequence %p!\n", seqid->sequence); @@ -1071,12 +1071,37 @@ void nfs4_schedule_stateid_recovery(const struct nfs_server *server, struct nfs4 { struct nfs_client *clp = server->nfs_client; - if (test_and_clear_bit(NFS_DELEGATED_STATE, &state->flags)) - nfs_async_inode_return_delegation(state->inode, &state->stateid); nfs4_state_mark_reclaim_nograce(clp, state); nfs4_schedule_state_manager(clp); } +void nfs_inode_find_state_and_recover(struct inode *inode, + const nfs4_stateid *stateid) +{ + struct nfs_client *clp = NFS_SERVER(inode)->nfs_client; + struct nfs_inode *nfsi = NFS_I(inode); + struct nfs_open_context *ctx; + struct nfs4_state *state; + bool found = false; + + spin_lock(&inode->i_lock); + list_for_each_entry(ctx, &nfsi->open_files, list) { + state = ctx->state; + if (state == NULL) + continue; + if (!test_bit(NFS_DELEGATED_STATE, &state->flags)) + continue; + if (memcmp(state->stateid.data, stateid->data, sizeof(state->stateid.data)) != 0) + continue; + nfs4_state_mark_reclaim_nograce(clp, state); + found = true; + } + spin_unlock(&inode->i_lock); + if (found) + nfs4_schedule_state_manager(clp); +} + + static int nfs4_reclaim_locks(struct nfs4_state *state, const struct nfs4_state_recovery_ops *ops) { struct inode *inode = state->inode; @@ -1739,7 +1764,7 @@ static void nfs4_state_manager(struct nfs_client *clp) } while (atomic_read(&clp->cl_count) > 1); return; out_error: - printk(KERN_WARNING "Error: state manager failed on NFSv4 server %s" + pr_warn_ratelimited("NFS: state manager failed on NFSv4 server %s" " with error %d\n", clp->cl_hostname, -status); nfs4_end_drain_session(clp); nfs4_clear_state_manager_bit(clp); |