diff options
Diffstat (limited to 'fs/nfs')
-rw-r--r-- | fs/nfs/client.c | 9 | ||||
-rw-r--r-- | fs/nfs/delegation.c | 4 | ||||
-rw-r--r-- | fs/nfs/direct.c | 21 | ||||
-rw-r--r-- | fs/nfs/filelayout/filelayoutdev.c | 2 | ||||
-rw-r--r-- | fs/nfs/flexfilelayout/flexfilelayout.c | 2 | ||||
-rw-r--r-- | fs/nfs/fs_context.c | 1 | ||||
-rw-r--r-- | fs/nfs/fscache.c | 9 | ||||
-rw-r--r-- | fs/nfs/inode.c | 10 | ||||
-rw-r--r-- | fs/nfs/internal.h | 2 | ||||
-rw-r--r-- | fs/nfs/netns.h | 2 | ||||
-rw-r--r-- | fs/nfs/nfs3client.c | 1 | ||||
-rw-r--r-- | fs/nfs/nfs42.h | 7 | ||||
-rw-r--r-- | fs/nfs/nfs42xattr.c | 2 | ||||
-rw-r--r-- | fs/nfs/nfs4_fs.h | 1 | ||||
-rw-r--r-- | fs/nfs/nfs4client.c | 2 | ||||
-rw-r--r-- | fs/nfs/nfs4proc.c | 29 | ||||
-rw-r--r-- | fs/nfs/nfs4state.c | 12 | ||||
-rw-r--r-- | fs/nfs/nfs4super.c | 24 | ||||
-rw-r--r-- | fs/nfs/nfs4trace.c | 2 | ||||
-rw-r--r-- | fs/nfs/nfs4trace.h | 58 | ||||
-rw-r--r-- | fs/nfs/nfsroot.c | 4 | ||||
-rw-r--r-- | fs/nfs/pnfs.c | 8 | ||||
-rw-r--r-- | fs/nfs/pnfs_nfs.c | 44 | ||||
-rw-r--r-- | fs/nfs/read.c | 2 | ||||
-rw-r--r-- | fs/nfs/super.c | 10 | ||||
-rw-r--r-- | fs/nfs/write.c | 6 |
26 files changed, 213 insertions, 61 deletions
diff --git a/fs/nfs/client.c b/fs/nfs/client.c index fbdc9ca80f71..de77848ae654 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -73,14 +73,9 @@ const struct rpc_program nfs_program = { .number = NFS_PROGRAM, .nrvers = ARRAY_SIZE(nfs_version), .version = nfs_version, - .stats = &nfs_rpcstat, .pipe_dir_name = NFS_PIPE_DIRNAME, }; -struct rpc_stat nfs_rpcstat = { - .program = &nfs_program -}; - static struct nfs_subversion *find_nfs_version(unsigned int version) { struct nfs_subversion *nfs; @@ -502,6 +497,7 @@ int nfs_create_rpc_client(struct nfs_client *clp, const struct nfs_client_initdata *cl_init, rpc_authflavor_t flavor) { + struct nfs_net *nn = net_generic(clp->cl_net, nfs_net_id); struct rpc_clnt *clnt = NULL; struct rpc_create_args args = { .net = clp->cl_net, @@ -513,6 +509,7 @@ int nfs_create_rpc_client(struct nfs_client *clp, .servername = clp->cl_hostname, .nodename = cl_init->nodename, .program = &nfs_program, + .stats = &nn->rpcstats, .version = clp->rpc_ops->version, .authflavor = flavor, .cred = cl_init->cred, @@ -1182,6 +1179,8 @@ void nfs_clients_init(struct net *net) #endif spin_lock_init(&nn->nfs_client_lock); nn->boot_time = ktime_get_real(); + memset(&nn->rpcstats, 0, sizeof(nn->rpcstats)); + nn->rpcstats.program = &nfs_program; nfs_netns_sysfs_setup(nn, net); } diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c index d4a42ce0c7e3..6bace5fece04 100644 --- a/fs/nfs/delegation.c +++ b/fs/nfs/delegation.c @@ -181,7 +181,6 @@ static int nfs_delegation_claim_opens(struct inode *inode, struct nfs_open_context *ctx; struct nfs4_state_owner *sp; struct nfs4_state *state; - unsigned int seq; int err; again: @@ -202,12 +201,9 @@ again: sp = state->owner; /* Block nfs4_proc_unlck */ mutex_lock(&sp->so_delegreturn_mutex); - seq = raw_seqcount_begin(&sp->so_reclaim_seqcount); err = nfs4_open_delegation_recall(ctx, state, stateid); if (!err) err = nfs_delegation_claim_locks(state, stateid); - if (!err && read_seqcount_retry(&sp->so_reclaim_seqcount, seq)) - err = -EAGAIN; mutex_unlock(&sp->so_delegreturn_mutex); put_nfs_open_context(ctx); if (err != 0) diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index c03926a1cc73..bb2f583eb28b 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -606,6 +606,7 @@ static void nfs_direct_commit_complete(struct nfs_commit_data *data) trace_nfs_direct_commit_complete(dreq); + spin_lock(&dreq->lock); if (status < 0) { /* Errors in commit are fatal */ dreq->error = status; @@ -613,6 +614,7 @@ static void nfs_direct_commit_complete(struct nfs_commit_data *data) } else { status = dreq->error; } + spin_unlock(&dreq->lock); nfs_init_cinfo_from_dreq(&cinfo, dreq); @@ -625,7 +627,10 @@ static void nfs_direct_commit_complete(struct nfs_commit_data *data) spin_unlock(&dreq->lock); nfs_release_request(req); } else if (!nfs_write_match_verf(verf, req)) { - dreq->flags = NFS_ODIRECT_RESCHED_WRITES; + spin_lock(&dreq->lock); + if (dreq->flags == 0) + dreq->flags = NFS_ODIRECT_RESCHED_WRITES; + spin_unlock(&dreq->lock); /* * Despite the reboot, the write was successful, * so reset wb_nio. @@ -667,10 +672,17 @@ static void nfs_direct_commit_schedule(struct nfs_direct_req *dreq) LIST_HEAD(mds_list); nfs_init_cinfo_from_dreq(&cinfo, dreq); + nfs_commit_begin(cinfo.mds); nfs_scan_commit(dreq->inode, &mds_list, &cinfo); res = nfs_generic_commit_list(dreq->inode, &mds_list, 0, &cinfo); - if (res < 0) /* res == -ENOMEM */ - nfs_direct_write_reschedule(dreq); + if (res < 0) { /* res == -ENOMEM */ + spin_lock(&dreq->lock); + if (dreq->flags == 0) + dreq->flags = NFS_ODIRECT_RESCHED_WRITES; + spin_unlock(&dreq->lock); + } + if (nfs_commit_end(cinfo.mds)) + nfs_direct_write_complete(dreq); } static void nfs_direct_write_clear_reqs(struct nfs_direct_req *dreq) @@ -1037,8 +1049,7 @@ int __init nfs_init_directcache(void) { nfs_direct_cachep = kmem_cache_create("nfs_direct_cache", sizeof(struct nfs_direct_req), - 0, (SLAB_RECLAIM_ACCOUNT| - SLAB_MEM_SPREAD), + 0, SLAB_RECLAIM_ACCOUNT, NULL); if (nfs_direct_cachep == NULL) return -ENOMEM; diff --git a/fs/nfs/filelayout/filelayoutdev.c b/fs/nfs/filelayout/filelayoutdev.c index acf4b88889dc..4fa304fa5bc4 100644 --- a/fs/nfs/filelayout/filelayoutdev.c +++ b/fs/nfs/filelayout/filelayoutdev.c @@ -35,6 +35,7 @@ #include "../internal.h" #include "../nfs4session.h" #include "filelayout.h" +#include "../nfs4trace.h" #define NFSDBG_FACILITY NFSDBG_PNFS_LD @@ -172,6 +173,7 @@ nfs4_fl_alloc_deviceid_node(struct nfs_server *server, struct pnfs_device *pdev, dsaddr->ds_list[i] = nfs4_pnfs_ds_add(&dsaddrs, gfp_flags); if (!dsaddr->ds_list[i]) goto out_err_drain_dsaddrs; + trace_fl_getdevinfo(server, &pdev->dev_id, dsaddr->ds_list[i]->ds_remotestr); /* If DS was already in cache, free ds addrs */ while (!list_empty(&dsaddrs)) { diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c index ef817a0475ff..3e724cb7ef01 100644 --- a/fs/nfs/flexfilelayout/flexfilelayout.c +++ b/fs/nfs/flexfilelayout/flexfilelayout.c @@ -2016,7 +2016,7 @@ static void ff_layout_cancel_io(struct pnfs_layout_segment *lseg) for (idx = 0; idx < flseg->mirror_array_cnt; idx++) { mirror = flseg->mirror_array[idx]; mirror_ds = mirror->mirror_ds; - if (!mirror_ds) + if (IS_ERR_OR_NULL(mirror_ds)) continue; ds = mirror->mirror_ds->ds; if (!ds) diff --git a/fs/nfs/fs_context.c b/fs/nfs/fs_context.c index 853e8d609bb3..d0a0956f8a13 100644 --- a/fs/nfs/fs_context.c +++ b/fs/nfs/fs_context.c @@ -652,6 +652,7 @@ static int nfs_fs_context_parse_param(struct fs_context *fc, ctx->fscache_uniq = NULL; break; case Opt_fscache: + trace_nfs_mount_assign(param->key, param->string); ctx->options |= NFS_OPTION_FSCACHE; kfree(ctx->fscache_uniq); ctx->fscache_uniq = param->string; diff --git a/fs/nfs/fscache.c b/fs/nfs/fscache.c index 2d1bfee225c3..ddc1ee031955 100644 --- a/fs/nfs/fscache.c +++ b/fs/nfs/fscache.c @@ -301,11 +301,11 @@ static void nfs_netfs_issue_read(struct netfs_io_subrequest *sreq) struct inode *inode = sreq->rreq->inode; struct nfs_open_context *ctx = sreq->rreq->netfs_priv; struct page *page; + unsigned long idx; int err; pgoff_t start = (sreq->start + sreq->transferred) >> PAGE_SHIFT; pgoff_t last = ((sreq->start + sreq->len - sreq->transferred - 1) >> PAGE_SHIFT); - XA_STATE(xas, &sreq->rreq->mapping->i_pages, start); nfs_pageio_init_read(&pgio, inode, false, &nfs_async_read_completion_ops); @@ -316,19 +316,14 @@ static void nfs_netfs_issue_read(struct netfs_io_subrequest *sreq) pgio.pg_netfs = netfs; /* used in completion */ - xas_lock(&xas); - xas_for_each(&xas, page, last) { + xa_for_each_range(&sreq->rreq->mapping->i_pages, idx, page, start, last) { /* nfs_read_add_folio() may schedule() due to pNFS layout and other RPCs */ - xas_pause(&xas); - xas_unlock(&xas); err = nfs_read_add_folio(&pgio, ctx, page_folio(page)); if (err < 0) { netfs->error = err; goto out; } - xas_lock(&xas); } - xas_unlock(&xas); out: nfs_pageio_complete_read(&pgio); nfs_netfs_put(netfs); diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index ebb8d60e1152..c709c296ea9a 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -2372,7 +2372,7 @@ static int __init nfs_init_inodecache(void) nfs_inode_cachep = kmem_cache_create("nfs_inode_cache", sizeof(struct nfs_inode), 0, (SLAB_RECLAIM_ACCOUNT| - SLAB_MEM_SPREAD|SLAB_ACCOUNT), + SLAB_ACCOUNT), init_once); if (nfs_inode_cachep == NULL) return -ENOMEM; @@ -2426,12 +2426,16 @@ EXPORT_SYMBOL_GPL(nfs_net_id); static int nfs_net_init(struct net *net) { + struct nfs_net *nn = net_generic(net, nfs_net_id); + nfs_clients_init(net); + rpc_proc_register(net, &nn->rpcstats); return nfs_fs_proc_net_init(net); } static void nfs_net_exit(struct net *net) { + rpc_proc_unregister(net, "nfs"); nfs_fs_proc_net_exit(net); nfs_clients_exit(net); } @@ -2486,15 +2490,12 @@ static int __init init_nfs_fs(void) if (err) goto out1; - rpc_proc_register(&init_net, &nfs_rpcstat); - err = register_nfs_fs(); if (err) goto out0; return 0; out0: - rpc_proc_unregister(&init_net, "nfs"); nfs_destroy_directcache(); out1: nfs_destroy_writepagecache(); @@ -2524,7 +2525,6 @@ static void __exit exit_nfs_fs(void) nfs_destroy_inodecache(); nfs_destroy_nfspagecache(); unregister_pernet_subsys(&nfs_net_ops); - rpc_proc_unregister(&init_net, "nfs"); unregister_nfs_fs(); nfs_fs_proc_exit(); nfsiod_stop(); diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index e3722ce6722e..06253695fe53 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -449,8 +449,6 @@ int nfs_try_get_tree(struct fs_context *); int nfs_get_tree_common(struct fs_context *); void nfs_kill_super(struct super_block *); -extern struct rpc_stat nfs_rpcstat; - extern int __init register_nfs_fs(void); extern void __exit unregister_nfs_fs(void); extern bool nfs_sb_active(struct super_block *sb); diff --git a/fs/nfs/netns.h b/fs/nfs/netns.h index c8374f74dce1..a68b21603ea9 100644 --- a/fs/nfs/netns.h +++ b/fs/nfs/netns.h @@ -9,6 +9,7 @@ #include <linux/nfs4.h> #include <net/net_namespace.h> #include <net/netns/generic.h> +#include <linux/sunrpc/stats.h> struct bl_dev_msg { int32_t status; @@ -34,6 +35,7 @@ struct nfs_net { struct nfs_netns_client *nfs_client; spinlock_t nfs_client_lock; ktime_t boot_time; + struct rpc_stat rpcstats; #ifdef CONFIG_PROC_FS struct proc_dir_entry *proc_nfsfs; #endif diff --git a/fs/nfs/nfs3client.c b/fs/nfs/nfs3client.c index 674c012868b1..b0c8a39c2bbd 100644 --- a/fs/nfs/nfs3client.c +++ b/fs/nfs/nfs3client.c @@ -111,6 +111,7 @@ struct nfs_client *nfs3_set_ds_client(struct nfs_server *mds_srv, cl_init.hostname = buf; switch (ds_proto) { + case XPRT_TRANSPORT_RDMA: case XPRT_TRANSPORT_TCP: case XPRT_TRANSPORT_TCP_TLS: if (mds_clp->cl_nconnect > 1) diff --git a/fs/nfs/nfs42.h b/fs/nfs/nfs42.h index b59876b01a1e..0282d93c8bcc 100644 --- a/fs/nfs/nfs42.h +++ b/fs/nfs/nfs42.h @@ -55,11 +55,14 @@ int nfs42_proc_removexattr(struct inode *inode, const char *name); * They would be 7 bytes long in the eventual buffer ("user.x\0"), and * 8 bytes long XDR-encoded. * - * Include the trailing eof word as well. + * Include the trailing eof word as well and make the result a multiple + * of 4 bytes. */ static inline u32 nfs42_listxattr_xdrsize(u32 buflen) { - return ((buflen / (XATTR_USER_PREFIX_LEN + 2)) * 8) + 4; + u32 size = 8 * buflen / (XATTR_USER_PREFIX_LEN + 2) + 4; + + return (size + 3) & ~3; } #endif /* CONFIG_NFS_V4_2 */ #endif /* __LINUX_FS_NFS_NFS4_2_H */ diff --git a/fs/nfs/nfs42xattr.c b/fs/nfs/nfs42xattr.c index 49aaf28a6950..b6e3d8f77b91 100644 --- a/fs/nfs/nfs42xattr.c +++ b/fs/nfs/nfs42xattr.c @@ -1017,7 +1017,7 @@ int __init nfs4_xattr_cache_init(void) nfs4_xattr_cache_cachep = kmem_cache_create("nfs4_xattr_cache_cache", sizeof(struct nfs4_xattr_cache), 0, - (SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD), + (SLAB_RECLAIM_ACCOUNT), nfs4_xattr_cache_init_once); if (nfs4_xattr_cache_cachep == NULL) return -ENOMEM; diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index 6ff41ceb9f1c..7024230f0d1d 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -120,7 +120,6 @@ struct nfs4_state_owner { unsigned long so_flags; struct list_head so_states; struct nfs_seqid_counter so_seqid; - seqcount_spinlock_t so_reclaim_seqcount; struct mutex so_delegreturn_mutex; }; diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c index 11e3a285594c..84573df5cf5a 100644 --- a/fs/nfs/nfs4client.c +++ b/fs/nfs/nfs4client.c @@ -924,6 +924,7 @@ static int nfs4_set_client(struct nfs_server *server, else cl_init.max_connect = max_connect; switch (proto) { + case XPRT_TRANSPORT_RDMA: case XPRT_TRANSPORT_TCP: case XPRT_TRANSPORT_TCP_TLS: cl_init.nconnect = nconnect; @@ -1000,6 +1001,7 @@ struct nfs_client *nfs4_set_ds_client(struct nfs_server *mds_srv, cl_init.hostname = buf; switch (ds_proto) { + case XPRT_TRANSPORT_RDMA: case XPRT_TRANSPORT_TCP: case XPRT_TRANSPORT_TCP_TLS: if (mds_clp->cl_nconnect > 1) { diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 815996cb27fc..ea390db94b62 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -3069,10 +3069,8 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata, fmode_t acc_mode = _nfs4_ctx_to_accessmode(ctx); struct inode *dir = d_inode(opendata->dir); unsigned long dir_verifier; - unsigned int seq; int ret; - seq = raw_seqcount_begin(&sp->so_reclaim_seqcount); dir_verifier = nfs_save_change_attribute(dir); ret = _nfs4_proc_open(opendata, ctx); @@ -3125,11 +3123,8 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata, if (ret != 0) goto out; - if (d_inode(dentry) == state->inode) { + if (d_inode(dentry) == state->inode) nfs_inode_attach_open_context(ctx); - if (read_seqcount_retry(&sp->so_reclaim_seqcount, seq)) - nfs4_schedule_stateid_recovery(server, state); - } out: if (!opendata->cancelled) { @@ -8973,10 +8968,12 @@ try_again: return; status = task->tk_status; - if (status == 0) + if (status == 0) { status = nfs4_detect_session_trunking(adata->clp, task->tk_msg.rpc_resp, xprt); - + trace_nfs4_trunked_exchange_id(adata->clp, + xprt->address_strings[RPC_DISPLAY_ADDR], status); + } if (status == 0) rpc_clnt_xprt_switch_add_xprt(clnt, xprt); else if (status != -NFS4ERR_DELAY && rpc_clnt_xprt_switch_has_addr(clnt, @@ -10618,29 +10615,33 @@ const struct nfs4_minor_version_ops *nfs_v4_minor_ops[] = { static ssize_t nfs4_listxattr(struct dentry *dentry, char *list, size_t size) { ssize_t error, error2, error3; + size_t left = size; - error = generic_listxattr(dentry, list, size); + error = generic_listxattr(dentry, list, left); if (error < 0) return error; if (list) { list += error; - size -= error; + left -= error; } - error2 = nfs4_listxattr_nfs4_label(d_inode(dentry), list, size); + error2 = nfs4_listxattr_nfs4_label(d_inode(dentry), list, left); if (error2 < 0) return error2; if (list) { list += error2; - size -= error2; + left -= error2; } - error3 = nfs4_listxattr_nfs4_user(d_inode(dentry), list, size); + error3 = nfs4_listxattr_nfs4_user(d_inode(dentry), list, left); if (error3 < 0) return error3; - return error + error2 + error3; + error += error2 + error3; + if (size && error > size) + return -ERANGE; + return error; } static void nfs4_enable_swap(struct inode *inode) diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 8cfabdbda336..662e86ea3a2d 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -513,7 +513,6 @@ nfs4_alloc_state_owner(struct nfs_server *server, nfs4_init_seqid_counter(&sp->so_seqid); atomic_set(&sp->so_count, 1); INIT_LIST_HEAD(&sp->so_lru); - seqcount_spinlock_init(&sp->so_reclaim_seqcount, &sp->so_lock); mutex_init(&sp->so_delegreturn_mutex); return sp; } @@ -1667,7 +1666,6 @@ static int nfs4_reclaim_open_state(struct nfs4_state_owner *sp, * server that doesn't support a grace period. */ spin_lock(&sp->so_lock); - raw_write_seqcount_begin(&sp->so_reclaim_seqcount); restart: list_for_each_entry(state, &sp->so_states, open_states) { if (!test_and_clear_bit(ops->state_flag_bit, &state->flags)) @@ -1735,7 +1733,6 @@ restart: spin_lock(&sp->so_lock); goto restart; } - raw_write_seqcount_end(&sp->so_reclaim_seqcount); spin_unlock(&sp->so_lock); #ifdef CONFIG_NFS_V4_2 if (found_ssc_copy_state) @@ -1745,7 +1742,6 @@ restart: out_err: nfs4_put_open_state(state); spin_lock(&sp->so_lock); - raw_write_seqcount_end(&sp->so_reclaim_seqcount); spin_unlock(&sp->so_lock); return status; } @@ -1928,9 +1924,12 @@ static int nfs4_do_reclaim(struct nfs_client *clp, const struct nfs4_state_recov struct nfs_server *server; struct rb_node *pos; LIST_HEAD(freeme); - int status = 0; int lost_locks = 0; + int status; + status = nfs4_begin_drain_session(clp); + if (status < 0) + return status; restart: rcu_read_lock(); list_for_each_entry_rcu(server, &clp->cl_superblocks, client_link) { @@ -2694,6 +2693,9 @@ static void nfs4_state_manager(struct nfs_client *clp) /* Detect expired delegations... */ if (test_and_clear_bit(NFS4CLNT_DELEGATION_EXPIRED, &clp->cl_state)) { section = "detect expired delegations"; + status = nfs4_begin_drain_session(clp); + if (status < 0) + goto out_error; nfs_reap_expired_delegations(clp); continue; } diff --git a/fs/nfs/nfs4super.c b/fs/nfs/nfs4super.c index d09bcfd7db89..8da5a9c000f4 100644 --- a/fs/nfs/nfs4super.c +++ b/fs/nfs/nfs4super.c @@ -145,6 +145,7 @@ static int do_nfs4_mount(struct nfs_server *server, const char *export_path) { struct nfs_fs_context *root_ctx; + struct nfs_fs_context *ctx; struct fs_context *root_fc; struct vfsmount *root_mnt; struct dentry *dentry; @@ -157,6 +158,12 @@ static int do_nfs4_mount(struct nfs_server *server, .dirfd = -1, }; + struct fs_parameter param_fsc = { + .key = "fsc", + .type = fs_value_is_string, + .dirfd = -1, + }; + if (IS_ERR(server)) return PTR_ERR(server); @@ -168,9 +175,26 @@ static int do_nfs4_mount(struct nfs_server *server, kfree(root_fc->source); root_fc->source = NULL; + ctx = nfs_fc2context(fc); root_ctx = nfs_fc2context(root_fc); root_ctx->internal = true; root_ctx->server = server; + + if (ctx->fscache_uniq) { + len = strlen(ctx->fscache_uniq); + param_fsc.size = len; + param_fsc.string = kmemdup_nul(ctx->fscache_uniq, len, GFP_KERNEL); + if (param_fsc.string == NULL) { + put_fs_context(root_fc); + return -ENOMEM; + } + ret = vfs_parse_fs_param(root_fc, ¶m_fsc); + kfree(param_fsc.string); + if (ret < 0) { + put_fs_context(root_fc); + return ret; + } + } /* We leave export_path unset as it's not used to find the root. */ len = strlen(hostname) + 5; diff --git a/fs/nfs/nfs4trace.c b/fs/nfs/nfs4trace.c index d9ac556bebcf..d22c6670f770 100644 --- a/fs/nfs/nfs4trace.c +++ b/fs/nfs/nfs4trace.c @@ -28,4 +28,6 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(pnfs_mds_fallback_write_pagelist); EXPORT_TRACEPOINT_SYMBOL_GPL(ff_layout_read_error); EXPORT_TRACEPOINT_SYMBOL_GPL(ff_layout_write_error); EXPORT_TRACEPOINT_SYMBOL_GPL(ff_layout_commit_error); + +EXPORT_TRACEPOINT_SYMBOL_GPL(fl_getdevinfo); #endif diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h index fd7cb15b08b2..10985a4b8259 100644 --- a/fs/nfs/nfs4trace.h +++ b/fs/nfs/nfs4trace.h @@ -77,6 +77,36 @@ DEFINE_NFS4_CLIENTID_EVENT(nfs4_bind_conn_to_session); DEFINE_NFS4_CLIENTID_EVENT(nfs4_sequence); DEFINE_NFS4_CLIENTID_EVENT(nfs4_reclaim_complete); +TRACE_EVENT(nfs4_trunked_exchange_id, + TP_PROTO( + const struct nfs_client *clp, + const char *addr, + int error + ), + + TP_ARGS(clp, addr, error), + + TP_STRUCT__entry( + __string(main_addr, clp->cl_hostname) + __string(trunk_addr, addr) + __field(unsigned long, error) + ), + + TP_fast_assign( + __entry->error = error < 0 ? -error : 0; + __assign_str(main_addr, clp->cl_hostname); + __assign_str(trunk_addr, addr); + ), + + TP_printk( + "error=%ld (%s) main_addr=%s trunk_addr=%s", + -__entry->error, + show_nfs4_status(__entry->error), + __get_str(main_addr), + __get_str(trunk_addr) + ) +); + TRACE_EVENT(nfs4_sequence_done, TP_PROTO( const struct nfs4_session *session, @@ -1991,6 +2021,34 @@ DECLARE_EVENT_CLASS(nfs4_deviceid_status, DEFINE_PNFS_DEVICEID_STATUS(nfs4_getdeviceinfo); DEFINE_PNFS_DEVICEID_STATUS(nfs4_find_deviceid); +TRACE_EVENT(fl_getdevinfo, + TP_PROTO( + const struct nfs_server *server, + const struct nfs4_deviceid *deviceid, + char *ds_remotestr + ), + TP_ARGS(server, deviceid, ds_remotestr), + + TP_STRUCT__entry( + __string(mds_addr, server->nfs_client->cl_hostname) + __array(unsigned char, deviceid, NFS4_DEVICEID4_SIZE) + __string(ds_ips, ds_remotestr) + ), + + TP_fast_assign( + __assign_str(mds_addr, server->nfs_client->cl_hostname); + __assign_str(ds_ips, ds_remotestr); + memcpy(__entry->deviceid, deviceid->data, + NFS4_DEVICEID4_SIZE); + ), + TP_printk( + "deviceid=%s, mds_addr=%s, ds_ips=%s", + __print_hex(__entry->deviceid, NFS4_DEVICEID4_SIZE), + __get_str(mds_addr), + __get_str(ds_ips) + ) +); + DECLARE_EVENT_CLASS(nfs4_flexfiles_io_event, TP_PROTO( const struct nfs_pgio_header *hdr diff --git a/fs/nfs/nfsroot.c b/fs/nfs/nfsroot.c index 7600100ba26f..432612d22437 100644 --- a/fs/nfs/nfsroot.c +++ b/fs/nfs/nfsroot.c @@ -175,10 +175,10 @@ static int __init root_nfs_cat(char *dest, const char *src, size_t len = strlen(dest); if (len && dest[len - 1] != ',') - if (strlcat(dest, ",", destlen) > destlen) + if (strlcat(dest, ",", destlen) >= destlen) return -1; - if (strlcat(dest, src, destlen) > destlen) + if (strlcat(dest, src, destlen) >= destlen) return -1; return 0; } diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index 0c0fed1ecd0b..a5cc6199127f 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -1999,6 +1999,14 @@ pnfs_update_layout(struct inode *ino, } lookup_again: + if (!nfs4_valid_open_stateid(ctx->state)) { + trace_pnfs_update_layout(ino, pos, count, + iomode, lo, lseg, + PNFS_UPDATE_LAYOUT_INVALID_OPEN); + lseg = ERR_PTR(-EIO); + goto out; + } + lseg = ERR_PTR(nfs4_client_recover_expired_lease(clp)); if (IS_ERR(lseg)) goto out; diff --git a/fs/nfs/pnfs_nfs.c b/fs/nfs/pnfs_nfs.c index afd23910f3bf..88e061bd711b 100644 --- a/fs/nfs/pnfs_nfs.c +++ b/fs/nfs/pnfs_nfs.c @@ -919,6 +919,8 @@ static int _nfs4_pnfs_v4_ds_connect(struct nfs_server *mds_srv, dprintk("--> %s DS %s\n", __func__, ds->ds_remotestr); list_for_each_entry(da, &ds->ds_addrs, da_node) { + char servername[48]; + dprintk("%s: DS %s: trying address %s\n", __func__, ds->ds_remotestr, da->da_remotestr); @@ -929,6 +931,7 @@ static int _nfs4_pnfs_v4_ds_connect(struct nfs_server *mds_srv, .dstaddr = (struct sockaddr *)&da->da_addr, .addrlen = da->da_addrlen, .servername = clp->cl_hostname, + .xprtsec = clp->cl_xprtsec, }; struct nfs4_add_xprt_data xprtdata = { .clp = clp, @@ -938,10 +941,45 @@ static int _nfs4_pnfs_v4_ds_connect(struct nfs_server *mds_srv, .data = &xprtdata, }; - if (da->da_transport != clp->cl_proto) + if (da->da_transport != clp->cl_proto && + clp->cl_proto != XPRT_TRANSPORT_TCP_TLS) continue; + if (da->da_transport == XPRT_TRANSPORT_TCP && + mds_srv->nfs_client->cl_proto == + XPRT_TRANSPORT_TCP_TLS) { + struct sockaddr *addr = + (struct sockaddr *)&da->da_addr; + struct sockaddr_in *sin = + (struct sockaddr_in *)&da->da_addr; + struct sockaddr_in6 *sin6 = + (struct sockaddr_in6 *)&da->da_addr; + + /* for NFS with TLS we need to supply a correct + * servername of the trunked transport, not the + * servername of the main transport stored in + * clp->cl_hostname. And set the protocol to + * indicate to use TLS + */ + servername[0] = '\0'; + switch(addr->sa_family) { + case AF_INET: + snprintf(servername, sizeof(servername), + "%pI4", &sin->sin_addr.s_addr); + break; + case AF_INET6: + snprintf(servername, sizeof(servername), + "%pI6", &sin6->sin6_addr); + break; + default: + /* do not consider this address */ + continue; + } + xprt_args.ident = XPRT_TRANSPORT_TCP_TLS; + xprt_args.servername = servername; + } if (da->da_addr.ss_family != clp->cl_addr.ss_family) continue; + /** * Test this address for session trunking and * add as an alias @@ -953,6 +991,10 @@ static int _nfs4_pnfs_v4_ds_connect(struct nfs_server *mds_srv, if (xprtdata.cred) put_cred(xprtdata.cred); } else { + if (da->da_transport == XPRT_TRANSPORT_TCP && + mds_srv->nfs_client->cl_proto == + XPRT_TRANSPORT_TCP_TLS) + da->da_transport = XPRT_TRANSPORT_TCP_TLS; clp = nfs4_set_ds_client(mds_srv, &da->da_addr, da->da_addrlen, diff --git a/fs/nfs/read.c b/fs/nfs/read.c index 7dc21a48e3e7..a142287d86f6 100644 --- a/fs/nfs/read.c +++ b/fs/nfs/read.c @@ -305,6 +305,8 @@ int nfs_read_add_folio(struct nfs_pageio_descriptor *pgio, new = nfs_page_create_from_folio(ctx, folio, 0, aligned_len); if (IS_ERR(new)) { error = PTR_ERR(new); + if (nfs_netfs_folio_unlock(folio)) + folio_unlock(folio); goto out; } diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 075b31c93f87..dc03f98f7616 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -516,8 +516,16 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss, else nfs_show_nfsv4_options(m, nfss, showdefaults); - if (nfss->options & NFS_OPTION_FSCACHE) + if (nfss->options & NFS_OPTION_FSCACHE) { +#ifdef CONFIG_NFS_FSCACHE + if (nfss->fscache_uniq) + seq_printf(m, ",fsc=%s", nfss->fscache_uniq); + else + seq_puts(m, ",fsc"); +#else seq_puts(m, ",fsc"); +#endif + } if (nfss->options & NFS_OPTION_MIGRATION) seq_puts(m, ",migration"); diff --git a/fs/nfs/write.c b/fs/nfs/write.c index 84bb85264572..5de85d725fb9 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -667,10 +667,6 @@ static int nfs_writepage_locked(struct folio *folio, struct inode *inode = folio_file_mapping(folio)->host; int err; - if (wbc->sync_mode == WB_SYNC_NONE && - NFS_SERVER(inode)->write_congested) - return AOP_WRITEPAGE_ACTIVATE; - nfs_inc_stats(inode, NFSIOS_VFSWRITEPAGE); nfs_pageio_init_write(&pgio, inode, 0, false, &nfs_async_write_completion_ops); @@ -1650,7 +1646,7 @@ static int wait_on_commit(struct nfs_mds_commit_info *cinfo) !atomic_read(&cinfo->rpcs_out)); } -static void nfs_commit_begin(struct nfs_mds_commit_info *cinfo) +void nfs_commit_begin(struct nfs_mds_commit_info *cinfo) { atomic_inc(&cinfo->rpcs_out); } |