Merge remote-tracking branches 'asoc/fix/88pm860', 'asoc/fix/omap' and 'asoc/fix...

[~andy/linux] / fs / nfs / nfs4proc.c

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index a1965329a12c078781431c289bdb1c8b10954782..450bfedbe2f4c0f88cacc44ec504872487279faa 100644 (file)
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -539,7 +539,7 @@ static int nfs40_sequence_done(struct rpc_task *task,
        struct nfs4_slot *slot = res->sr_slot;
        struct nfs4_slot_table *tbl;
 
-       if (!RPC_WAS_SENT(task))
+       if (slot == NULL)
                goto out;
 
        tbl = slot->table;
@@ -559,15 +559,10 @@ static void nfs41_sequence_free_slot(struct nfs4_sequence_res *res)
 {
        struct nfs4_session *session;
        struct nfs4_slot_table *tbl;
+       struct nfs4_slot *slot = res->sr_slot;
        bool send_new_highest_used_slotid = false;
 
-       if (!res->sr_slot) {
-               /* just wake up the next guy waiting since
-                * we may have not consumed a slot after all */
-               dprintk("%s: No slot\n", __func__);
-               return;
-       }
-       tbl = res->sr_slot->table;
+       tbl = slot->table;
        session = tbl->session;
 
        spin_lock(&tbl->slot_tbl_lock);
@@ -577,11 +572,11 @@ static void nfs41_sequence_free_slot(struct nfs4_sequence_res *res)
        if (tbl->highest_used_slotid > tbl->target_highest_slotid)
                send_new_highest_used_slotid = true;
 
-       if (nfs41_wake_and_assign_slot(tbl, res->sr_slot)) {
+       if (nfs41_wake_and_assign_slot(tbl, slot)) {
                send_new_highest_used_slotid = false;
                goto out_unlock;
        }
-       nfs4_free_slot(tbl, res->sr_slot);
+       nfs4_free_slot(tbl, slot);
 
        if (tbl->highest_used_slotid != NFS4_NO_SLOT)
                send_new_highest_used_slotid = false;
@@ -592,19 +587,20 @@ out_unlock:
                nfs41_server_notify_highest_slotid_update(session->clp);
 }
 
-static int nfs41_sequence_done(struct rpc_task *task, struct nfs4_sequence_res *res)
+int nfs41_sequence_done(struct rpc_task *task, struct nfs4_sequence_res *res)
 {
        struct nfs4_session *session;
-       struct nfs4_slot *slot;
+       struct nfs4_slot *slot = res->sr_slot;
        struct nfs_client *clp;
        bool interrupted = false;
        int ret = 1;
 
+       if (slot == NULL)
+               goto out_noaction;
        /* don't increment the sequence number if the task wasn't sent */
        if (!RPC_WAS_SENT(task))
                goto out;
 
-       slot = res->sr_slot;
        session = slot->table->session;
 
        if (slot->interrupted) {
@@ -679,6 +675,7 @@ out:
        /* The session may be reset by one of the error handlers. */
        dprintk("%s: Error %d free the slot \n", __func__, res->sr_status);
        nfs41_sequence_free_slot(res);
+out_noaction:
        return ret;
 retry_nowait:
        if (rpc_restart_call_prepare(task)) {
@@ -692,6 +689,7 @@ out_retry:
        rpc_delay(task, NFS4_POLL_RETRY_MAX);
        return 0;
 }
+EXPORT_SYMBOL_GPL(nfs41_sequence_done);
 
 static int nfs4_sequence_done(struct rpc_task *task,
                               struct nfs4_sequence_res *res)
@@ -1622,15 +1620,15 @@ static void nfs4_open_confirm_prepare(struct rpc_task *task, void *calldata)
 {
        struct nfs4_opendata *data = calldata;
 
-       nfs40_setup_sequence(data->o_arg.server, &data->o_arg.seq_args,
-                               &data->o_res.seq_res, task);
+       nfs40_setup_sequence(data->o_arg.server, &data->c_arg.seq_args,
+                               &data->c_res.seq_res, task);
 }
 
 static void nfs4_open_confirm_done(struct rpc_task *task, void *calldata)
 {
        struct nfs4_opendata *data = calldata;
 
-       nfs40_sequence_done(task, &data->o_res.seq_res);
+       nfs40_sequence_done(task, &data->c_res.seq_res);
 
        data->rpc_status = task->tk_status;
        if (data->rpc_status == 0) {
@@ -1688,7 +1686,7 @@ static int _nfs4_proc_open_confirm(struct nfs4_opendata *data)
        };
        int status;
 
-       nfs4_init_sequence(&data->o_arg.seq_args, &data->o_res.seq_res, 1);
+       nfs4_init_sequence(&data->c_arg.seq_args, &data->c_res.seq_res, 1);
        kref_get(&data->kref);
        data->rpc_done = 0;
        data->rpc_status = 0;
@@ -2400,13 +2398,16 @@ static int _nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred,
 
        if (nfs4_copy_delegation_stateid(&arg.stateid, inode, fmode)) {
                /* Use that stateid */
-       } else if (truncate && state != NULL && nfs4_valid_open_stateid(state)) {
+       } else if (truncate && state != NULL) {
                struct nfs_lockowner lockowner = {
                        .l_owner = current->files,
                        .l_pid = current->tgid,
                };
-               nfs4_select_rw_stateid(&arg.stateid, state, FMODE_WRITE,
-                               &lockowner);
+               if (!nfs4_valid_open_stateid(state))
+                       return -EBADF;
+               if (nfs4_select_rw_stateid(&arg.stateid, state, FMODE_WRITE,
+                               &lockowner) == -EIO)
+                       return -EBADF;
        } else
                nfs4_stateid_copy(&arg.stateid, &zero_stateid);
 
@@ -2744,7 +2745,8 @@ static int _nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *f
                                NFS_CAP_OWNER_GROUP|NFS_CAP_ATIME|
                                NFS_CAP_CTIME|NFS_CAP_MTIME|
                                NFS_CAP_SECURITY_LABEL);
-               if (res.attr_bitmask[0] & FATTR4_WORD0_ACL)
+               if (res.attr_bitmask[0] & FATTR4_WORD0_ACL &&
+                               res.acl_bitmask & ACL4_SUPPORT_ALLOW_ACL)
                        server->caps |= NFS_CAP_ACLS;
                if (res.has_links != 0)
                        server->caps |= NFS_CAP_HARDLINKS;
@@ -4012,8 +4014,9 @@ static bool nfs4_stateid_is_current(nfs4_stateid *stateid,
 {
        nfs4_stateid current_stateid;
 
-       if (nfs4_set_rw_stateid(&current_stateid, ctx, l_ctx, fmode))
-               return false;
+       /* If the current stateid represents a lost lock, then exit */
+       if (nfs4_set_rw_stateid(&current_stateid, ctx, l_ctx, fmode) == -EIO)
+               return true;
        return nfs4_stateid_match(stateid, &current_stateid);
 }
 
@@ -4321,9 +4324,7 @@ static int nfs4_proc_renew(struct nfs_client *clp, struct rpc_cred *cred)
 
 static inline int nfs4_server_supports_acls(struct nfs_server *server)
 {
-       return (server->caps & NFS_CAP_ACLS)
-               && (server->acl_bitmask & ACL4_SUPPORT_ALLOW_ACL)
-               && (server->acl_bitmask & ACL4_SUPPORT_DENY_ACL);
+       return server->caps & NFS_CAP_ACLS;
 }
 
 /* Assuming that XATTR_SIZE_MAX is a multiple of PAGE_SIZE, and that
@@ -5831,8 +5832,7 @@ struct nfs_release_lockowner_data {
        struct nfs4_lock_state *lsp;
        struct nfs_server *server;
        struct nfs_release_lockowner_args args;
-       struct nfs4_sequence_args seq_args;
-       struct nfs4_sequence_res seq_res;
+       struct nfs_release_lockowner_res res;
        unsigned long timestamp;
 };
 
@@ -5840,7 +5840,7 @@ static void nfs4_release_lockowner_prepare(struct rpc_task *task, void *calldata
 {
        struct nfs_release_lockowner_data *data = calldata;
        nfs40_setup_sequence(data->server,
-                               &data->seq_args, &data->seq_res, task);
+                               &data->args.seq_args, &data->res.seq_res, task);
        data->timestamp = jiffies;
 }
 
@@ -5849,7 +5849,7 @@ static void nfs4_release_lockowner_done(struct rpc_task *task, void *calldata)
        struct nfs_release_lockowner_data *data = calldata;
        struct nfs_server *server = data->server;
 
-       nfs40_sequence_done(task, &data->seq_res);
+       nfs40_sequence_done(task, &data->res.seq_res);
 
        switch (task->tk_status) {
        case 0:
@@ -5890,7 +5890,6 @@ static int nfs4_release_lockowner(struct nfs_server *server, struct nfs4_lock_st
        data = kmalloc(sizeof(*data), GFP_NOFS);
        if (!data)
                return -ENOMEM;
-       nfs4_init_sequence(&data->seq_args, &data->seq_res, 0);
        data->lsp = lsp;
        data->server = server;
        data->args.lock_owner.clientid = server->nfs_client->cl_clientid;
@@ -5898,6 +5897,8 @@ static int nfs4_release_lockowner(struct nfs_server *server, struct nfs4_lock_st
        data->args.lock_owner.s_dev = server->s_dev;
 
        msg.rpc_argp = &data->args;
+       msg.rpc_resp = &data->res;
+       nfs4_init_sequence(&data->args.seq_args, &data->res.seq_res, 0);
        rpc_call_async(server->client, &msg, 0, &nfs4_release_lockowner_ops, data);
        return 0;
 }