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NFS client bugfixes for Linux 4.16 

Hightlights include:
 - Fix a broken cast in nfs4_callback_recallany()
 - Fix an Oops during NFSv4 migration events
 - make struct nlmclnt_fl_close_lock_ops static
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Merge tag 'nfs-for-4.16-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client bugfixes from Trond Myklebust:

 - fix a broken cast in nfs4_callback_recallany()

 - fix an Oops during NFSv4 migration events

 - make struct nlmclnt_fl_close_lock_ops static

* tag 'nfs-for-4.16-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  NFS: make struct nlmclnt_fl_close_lock_ops static
  nfs: system crashes after NFS4ERR_MOVED recovery
  NFSv4: Fix broken cast in nfs4_callback_recallany()
This commit is contained in:
Linus Torvalds 2018-02-25 13:43:18 -08:00
parent 3664ce2d93 1b72040645
commit c89be52426
3 changed files with 11 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
fs/nfs/callback_proc.c
View File

@ -572,7 +572,7 @@ out:
}
static bool
validate_bitmap_values(unsigned long mask)
validate_bitmap_values(unsigned int mask)
{
return (mask & ~RCA4_TYPE_MASK_ALL) == 0;
}
@ -596,17 +596,15 @@ __be32 nfs4_callback_recallany(void *argp, void *resp,
goto out;
status = cpu_to_be32(NFS4_OK);
if (test_bit(RCA4_TYPE_MASK_RDATA_DLG, (const unsigned long *)
&args->craa_type_mask))
if (args->craa_type_mask & BIT(RCA4_TYPE_MASK_RDATA_DLG))
flags = FMODE_READ;
if (test_bit(RCA4_TYPE_MASK_WDATA_DLG, (const unsigned long *)
&args->craa_type_mask))
if (args->craa_type_mask & BIT(RCA4_TYPE_MASK_WDATA_DLG))
flags |= FMODE_WRITE;
if (test_bit(RCA4_TYPE_MASK_FILE_LAYOUT, (const unsigned long *)
&args->craa_type_mask))
pnfs_recall_all_layouts(cps->clp);
if (flags)
nfs_expire_unused_delegation_types(cps->clp, flags);
if (args->craa_type_mask & BIT(RCA4_TYPE_MASK_FILE_LAYOUT))
pnfs_recall_all_layouts(cps->clp);
out:
dprintk("%s: exit with status = %d\n", __func__, ntohl(status));
return status;

2
fs/nfs/nfs3proc.c
View File

@ -873,7 +873,7 @@ static void nfs3_nlm_release_call(void *data)
}
}
const struct nlmclnt_operations nlmclnt_fl_close_lock_ops = {
static const struct nlmclnt_operations nlmclnt_fl_close_lock_ops = {
.nlmclnt_alloc_call = nfs3_nlm_alloc_call,
.nlmclnt_unlock_prepare = nfs3_nlm_unlock_prepare,
.nlmclnt_release_call = nfs3_nlm_release_call,

6
fs/nfs/nfs4client.c
View File

@ -868,8 +868,10 @@ static int nfs4_set_client(struct nfs_server *server,
if (IS_ERR(clp))
return PTR_ERR(clp);
if (server->nfs_client == clp)
if (server->nfs_client == clp) {
nfs_put_client(clp);
return -ELOOP;
}
/*
* Query for the lease time on clientid setup or renewal
@ -1244,11 +1246,11 @@ int nfs4_update_server(struct nfs_server *server, const char *hostname,
clp->cl_proto, clnt->cl_timeout,
clp->cl_minorversion, net);
clear_bit(NFS_MIG_TSM_POSSIBLE, &server->mig_status);
nfs_put_client(clp);
if (error != 0) {
nfs_server_insert_lists(server);
return error;
}
nfs_put_client(clp);
if (server->nfs_client->cl_hostname == NULL)
server->nfs_client->cl_hostname = kstrdup(hostname, GFP_KERNEL);