diff options
author | David S. Miller | 2017-07-21 03:38:43 +0100 |
---|---|---|
committer | David S. Miller | 2017-07-21 03:38:43 +0100 |
commit | 7a68ada6ec7d88c68057d3a4c2a517eb94289976 (patch) | |
tree | 51cd586e74fc92bfbdf382fa1544a235d908b25c /fs/nfs/nfs4proc.c | |
parent | 760446f967678e14ee1b6464ee1bb8562f299fa6 (diff) | |
parent | 96080f697786e0a30006fcbcc5b53f350fcb3e9f (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'fs/nfs/nfs4proc.c')
-rw-r--r-- | fs/nfs/nfs4proc.c | 109 |
1 files changed, 80 insertions, 29 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 98b0b662af09..a0b4e1091340 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -275,6 +275,7 @@ const u32 nfs4_fs_locations_bitmap[3] = { static void nfs4_setup_readdir(u64 cookie, __be32 *verifier, struct dentry *dentry, struct nfs4_readdir_arg *readdir) { + unsigned int attrs = FATTR4_WORD0_FILEID | FATTR4_WORD0_TYPE; __be32 *start, *p; if (cookie > 2) { @@ -305,8 +306,9 @@ static void nfs4_setup_readdir(u64 cookie, __be32 *verifier, struct dentry *dent memcpy(p, ".\0\0\0", 4); /* entry */ p++; *p++ = xdr_one; /* bitmap length */ - *p++ = htonl(FATTR4_WORD0_FILEID); /* bitmap */ - *p++ = htonl(8); /* attribute buffer length */ + *p++ = htonl(attrs); /* bitmap */ + *p++ = htonl(12); /* attribute buffer length */ + *p++ = htonl(NF4DIR); p = xdr_encode_hyper(p, NFS_FILEID(d_inode(dentry))); } @@ -317,8 +319,9 @@ static void nfs4_setup_readdir(u64 cookie, __be32 *verifier, struct dentry *dent memcpy(p, "..\0\0", 4); /* entry */ p++; *p++ = xdr_one; /* bitmap length */ - *p++ = htonl(FATTR4_WORD0_FILEID); /* bitmap */ - *p++ = htonl(8); /* attribute buffer length */ + *p++ = htonl(attrs); /* bitmap */ + *p++ = htonl(12); /* attribute buffer length */ + *p++ = htonl(NF4DIR); p = xdr_encode_hyper(p, NFS_FILEID(d_inode(dentry->d_parent))); readdir->pgbase = (char *)p - (char *)start; @@ -1034,11 +1037,11 @@ struct nfs4_opendata { struct nfs4_state *state; struct iattr attrs; unsigned long timestamp; - unsigned int rpc_done : 1; - unsigned int file_created : 1; - unsigned int is_recover : 1; + bool rpc_done; + bool file_created; + bool is_recover; + bool cancelled; int rpc_status; - int cancelled; }; static bool nfs4_clear_cap_atomic_open_v1(struct nfs_server *server, @@ -1962,7 +1965,7 @@ static void nfs4_open_confirm_done(struct rpc_task *task, void *calldata) nfs4_stateid_copy(&data->o_res.stateid, &data->c_res.stateid); nfs_confirm_seqid(&data->owner->so_seqid, 0); renew_lease(data->o_res.server, data->timestamp); - data->rpc_done = 1; + data->rpc_done = true; } } @@ -1972,7 +1975,7 @@ static void nfs4_open_confirm_release(void *calldata) struct nfs4_state *state = NULL; /* If this request hasn't been cancelled, do nothing */ - if (data->cancelled == 0) + if (!data->cancelled) goto out_free; /* In case of error, no cleanup! */ if (!data->rpc_done) @@ -2015,7 +2018,7 @@ static int _nfs4_proc_open_confirm(struct nfs4_opendata *data) nfs4_init_sequence(&data->c_arg.seq_args, &data->c_res.seq_res, 1); kref_get(&data->kref); - data->rpc_done = 0; + data->rpc_done = false; data->rpc_status = 0; data->timestamp = jiffies; if (data->is_recover) @@ -2025,7 +2028,7 @@ static int _nfs4_proc_open_confirm(struct nfs4_opendata *data) return PTR_ERR(task); status = rpc_wait_for_completion_task(task); if (status != 0) { - data->cancelled = 1; + data->cancelled = true; smp_wmb(); } else status = data->rpc_status; @@ -2124,7 +2127,7 @@ static void nfs4_open_done(struct rpc_task *task, void *calldata) if (!(data->o_res.rflags & NFS4_OPEN_RESULT_CONFIRM)) nfs_confirm_seqid(&data->owner->so_seqid, 0); } - data->rpc_done = 1; + data->rpc_done = true; } static void nfs4_open_release(void *calldata) @@ -2133,7 +2136,7 @@ static void nfs4_open_release(void *calldata) struct nfs4_state *state = NULL; /* If this request hasn't been cancelled, do nothing */ - if (data->cancelled == 0) + if (!data->cancelled) goto out_free; /* In case of error, no cleanup! */ if (data->rpc_status != 0 || !data->rpc_done) @@ -2179,20 +2182,20 @@ static int nfs4_run_open_task(struct nfs4_opendata *data, int isrecover) nfs4_init_sequence(&o_arg->seq_args, &o_res->seq_res, 1); kref_get(&data->kref); - data->rpc_done = 0; + data->rpc_done = false; data->rpc_status = 0; - data->cancelled = 0; - data->is_recover = 0; + data->cancelled = false; + data->is_recover = false; if (isrecover) { nfs4_set_sequence_privileged(&o_arg->seq_args); - data->is_recover = 1; + data->is_recover = true; } task = rpc_run_task(&task_setup_data); if (IS_ERR(task)) return PTR_ERR(task); status = rpc_wait_for_completion_task(task); if (status != 0) { - data->cancelled = 1; + data->cancelled = true; smp_wmb(); } else status = data->rpc_status; @@ -2287,9 +2290,9 @@ static int _nfs4_proc_open(struct nfs4_opendata *data) if (o_arg->open_flags & O_CREAT) { if (o_arg->open_flags & O_EXCL) - data->file_created = 1; + data->file_created = true; else if (o_res->cinfo.before != o_res->cinfo.after) - data->file_created = 1; + data->file_created = true; if (data->file_created || dir->i_version != o_res->cinfo.after) update_changeattr(dir, &o_res->cinfo, o_res->f_attr->time_start); @@ -3803,6 +3806,54 @@ nfs4_proc_lookup_mountpoint(struct inode *dir, const struct qstr *name, return (client == NFS_CLIENT(dir)) ? rpc_clone_client(client) : client; } +static int _nfs4_proc_lookupp(struct inode *inode, + struct nfs_fh *fhandle, struct nfs_fattr *fattr, + struct nfs4_label *label) +{ + struct rpc_clnt *clnt = NFS_CLIENT(inode); + struct nfs_server *server = NFS_SERVER(inode); + int status; + struct nfs4_lookupp_arg args = { + .bitmask = server->attr_bitmask, + .fh = NFS_FH(inode), + }; + struct nfs4_lookupp_res res = { + .server = server, + .fattr = fattr, + .label = label, + .fh = fhandle, + }; + struct rpc_message msg = { + .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_LOOKUPP], + .rpc_argp = &args, + .rpc_resp = &res, + }; + + args.bitmask = nfs4_bitmask(server, label); + + nfs_fattr_init(fattr); + + dprintk("NFS call lookupp ino=0x%lx\n", inode->i_ino); + status = nfs4_call_sync(clnt, server, &msg, &args.seq_args, + &res.seq_res, 0); + dprintk("NFS reply lookupp: %d\n", status); + return status; +} + +static int nfs4_proc_lookupp(struct inode *inode, struct nfs_fh *fhandle, + struct nfs_fattr *fattr, struct nfs4_label *label) +{ + struct nfs4_exception exception = { }; + int err; + do { + err = _nfs4_proc_lookupp(inode, fhandle, fattr, label); + trace_nfs4_lookupp(inode, err); + err = nfs4_handle_exception(NFS_SERVER(inode), err, + &exception); + } while (exception.retry); + return err; +} + static int _nfs4_proc_access(struct inode *inode, struct nfs_access_entry *entry) { struct nfs_server *server = NFS_SERVER(inode); @@ -4273,7 +4324,7 @@ static int nfs4_proc_mkdir(struct inode *dir, struct dentry *dentry, } static int _nfs4_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, - u64 cookie, struct page **pages, unsigned int count, int plus) + u64 cookie, struct page **pages, unsigned int count, bool plus) { struct inode *dir = d_inode(dentry); struct nfs4_readdir_arg args = { @@ -4311,7 +4362,7 @@ static int _nfs4_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, } static int nfs4_proc_readdir(struct dentry *dentry, struct rpc_cred *cred, - u64 cookie, struct page **pages, unsigned int count, int plus) + u64 cookie, struct page **pages, unsigned int count, bool plus) { struct nfs4_exception exception = { }; int err; @@ -6135,7 +6186,7 @@ static void nfs4_lock_release(void *calldata) dprintk("%s: begin!\n", __func__); nfs_free_seqid(data->arg.open_seqid); - if (data->cancelled != 0) { + if (data->cancelled) { struct rpc_task *task; task = nfs4_do_unlck(&data->fl, data->ctx, data->lsp, data->arg.lock_seqid); @@ -6218,7 +6269,7 @@ static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *f nfs4_handle_setlk_error(data->server, data->lsp, data->arg.new_lock_owner, ret); } else - data->cancelled = 1; + data->cancelled = true; rpc_put_task(task); dprintk("%s: done, ret = %d!\n", __func__, ret); trace_nfs4_set_lock(fl, state, &data->res.stateid, cmd, ret); @@ -7376,12 +7427,11 @@ static void nfs4_exchange_id_done(struct rpc_task *task, void *data) if (status == 0) { clp->cl_clientid = cdata->res.clientid; clp->cl_exchange_flags = cdata->res.flags; + clp->cl_seqid = cdata->res.seqid; /* Client ID is not confirmed */ - if (!(cdata->res.flags & EXCHGID4_FLAG_CONFIRMED_R)) { + if (!(cdata->res.flags & EXCHGID4_FLAG_CONFIRMED_R)) clear_bit(NFS4_SESSION_ESTABLISHED, - &clp->cl_session->session_state); - clp->cl_seqid = cdata->res.seqid; - } + &clp->cl_session->session_state); kfree(clp->cl_serverowner); clp->cl_serverowner = cdata->res.server_owner; @@ -9313,6 +9363,7 @@ const struct nfs_rpc_ops nfs_v4_clientops = { .getattr = nfs4_proc_getattr, .setattr = nfs4_proc_setattr, .lookup = nfs4_proc_lookup, + .lookupp = nfs4_proc_lookupp, .access = nfs4_proc_access, .readlink = nfs4_proc_readlink, .create = nfs4_proc_create, |