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Merge git://git.linux-nfs.org/pub/linux/nfs-2.6

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* git://git.linux-nfs.org/pub/linux/nfs-2.6:
  NFSv4: Fix open_to_lock_owner sequenceid allocation...
  NFSv4: nfs4_open_confirm must not set the open_owner as confirmed on error
  NFS: add newline to kernel warning message in auth_gss code
  NFSv4: Fix circular locking dependency in nfs4_kill_renewd
  NFS: Fix a possible Oops in fs/nfs/super.c
This commit is contained in:
Linus Torvalds 2008-01-03 11:59:59 -08:00
commit 2c5d63d8f0
4 changed files with 32 additions and 18 deletions
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34
fs/nfs/nfs4proc.c
View File

@ -741,10 +741,10 @@ static void nfs4_open_confirm_done(struct rpc_task *task, void *calldata)
if (data->rpc_status == 0) {
memcpy(data->o_res.stateid.data, data->c_res.stateid.data,
sizeof(data->o_res.stateid.data));
nfs_confirm_seqid(&data->owner->so_seqid, 0);
renew_lease(data->o_res.server, data->timestamp);
data->rpc_done = 1;
}
nfs_confirm_seqid(&data->owner->so_seqid, data->rpc_status);
nfs_increment_open_seqid(data->rpc_status, data->c_arg.seqid);
}
@ -759,7 +759,6 @@ static void nfs4_open_confirm_release(void *calldata)
/* In case of error, no cleanup! */
if (!data->rpc_done)
goto out_free;
nfs_confirm_seqid(&data->owner->so_seqid, 0);
state = nfs4_opendata_to_nfs4_state(data);
if (!IS_ERR(state))
nfs4_close_state(&data->path, state, data->o_arg.open_flags);
@ -886,7 +885,6 @@ static void nfs4_open_release(void *calldata)
/* In case we need an open_confirm, no cleanup! */
if (data->o_res.rflags & NFS4_OPEN_RESULT_CONFIRM)
goto out_free;
nfs_confirm_seqid(&data->owner->so_seqid, 0);
state = nfs4_opendata_to_nfs4_state(data);
if (!IS_ERR(state))
nfs4_close_state(&data->path, state, data->o_arg.open_flags);
@ -3333,6 +3331,12 @@ static struct nfs4_lockdata *nfs4_alloc_lockdata(struct file_lock *fl,
p->arg.fh = NFS_FH(inode);
p->arg.fl = &p->fl;
if (!(lsp->ls_seqid.flags & NFS_SEQID_CONFIRMED)) {
p->arg.open_seqid = nfs_alloc_seqid(&lsp->ls_state->owner->so_seqid);
if (p->arg.open_seqid == NULL)
goto out_free;
}
p->arg.lock_seqid = nfs_alloc_seqid(&lsp->ls_seqid);
if (p->arg.lock_seqid == NULL)
goto out_free;
@ -3345,6 +3349,8 @@ static struct nfs4_lockdata *nfs4_alloc_lockdata(struct file_lock *fl,
memcpy(&p->fl, fl, sizeof(p->fl));
return p;
out_free:
if (p->arg.open_seqid != NULL)
nfs_free_seqid(p->arg.open_seqid);
kfree(p);
return NULL;
}
@ -3361,23 +3367,23 @@ static void nfs4_lock_prepare(struct rpc_task *task, void *calldata)
.rpc_cred = sp->so_cred,
};
if (nfs_wait_on_sequence(data->arg.lock_seqid, task) != 0)
return;
dprintk("%s: begin!\n", __FUNCTION__);
/* Do we need to do an open_to_lock_owner? */
if (!(data->arg.lock_seqid->sequence->flags & NFS_SEQID_CONFIRMED)) {
data->arg.open_seqid = nfs_alloc_seqid(&sp->so_seqid);
if (data->arg.open_seqid == NULL) {
data->rpc_status = -ENOMEM;
task->tk_action = NULL;
goto out;
}
if (nfs_wait_on_sequence(data->arg.open_seqid, task) != 0)
return;
data->arg.open_stateid = &state->stateid;
data->arg.new_lock_owner = 1;
/* Retest in case we raced... */
if (!(data->arg.lock_seqid->sequence->flags & NFS_SEQID_CONFIRMED))
goto do_rpc;
}
if (nfs_wait_on_sequence(data->arg.lock_seqid, task) != 0)
return;
data->arg.new_lock_owner = 0;
do_rpc:
data->timestamp = jiffies;
rpc_call_setup(task, &msg, 0);
out:
dprintk("%s: done!, ret = %d\n", __FUNCTION__, data->rpc_status);
}
@ -3413,8 +3419,6 @@ static void nfs4_lock_release(void *calldata)
struct nfs4_lockdata *data = calldata;
dprintk("%s: begin!\n", __FUNCTION__);
if (data->arg.open_seqid != NULL)
nfs_free_seqid(data->arg.open_seqid);
if (data->cancelled != 0) {
struct rpc_task *task;
task = nfs4_do_unlck(&data->fl, data->ctx, data->lsp,
@ -3424,6 +3428,8 @@ static void nfs4_lock_release(void *calldata)
dprintk("%s: cancelling lock!\n", __FUNCTION__);
} else
nfs_free_seqid(data->arg.lock_seqid);
if (data->arg.open_seqid != NULL)
nfs_free_seqid(data->arg.open_seqid);
nfs4_put_lock_state(data->lsp);
put_nfs_open_context(data->ctx);
kfree(data);

2
fs/nfs/nfs4renewd.c
View File

@ -133,9 +133,7 @@ nfs4_renewd_prepare_shutdown(struct nfs_server *server)
void
nfs4_kill_renewd(struct nfs_client *clp)
{
down_read(&clp->cl_sem);
cancel_delayed_work_sync(&clp->cl_renewd);
up_read(&clp->cl_sem);
}
/*

12
fs/nfs/super.c
View File

@ -1475,7 +1475,7 @@ static int nfs_xdev_get_sb(struct file_system_type *fs_type, int flags,
error = PTR_ERR(mntroot);
goto error_splat_super;
}
if (mntroot->d_inode->i_op != server->nfs_client->rpc_ops->dir_inode_ops) {
if (mntroot->d_inode->i_op != NFS_SB(s)->nfs_client->rpc_ops->dir_inode_ops) {
dput(mntroot);
error = -ESTALE;
goto error_splat_super;
@ -1826,6 +1826,11 @@ static int nfs4_xdev_get_sb(struct file_system_type *fs_type, int flags,
error = PTR_ERR(mntroot);
goto error_splat_super;
}
if (mntroot->d_inode->i_op != NFS_SB(s)->nfs_client->rpc_ops->dir_inode_ops) {
dput(mntroot);
error = -ESTALE;
goto error_splat_super;
}
s->s_flags |= MS_ACTIVE;
mnt->mnt_sb = s;
@ -1900,6 +1905,11 @@ static int nfs4_referral_get_sb(struct file_system_type *fs_type, int flags,
error = PTR_ERR(mntroot);
goto error_splat_super;
}
if (mntroot->d_inode->i_op != NFS_SB(s)->nfs_client->rpc_ops->dir_inode_ops) {
dput(mntroot);
error = -ESTALE;
goto error_splat_super;
}
s->s_flags |= MS_ACTIVE;
mnt->mnt_sb = s;

2
net/sunrpc/auth_gss/auth_gss.c
View File

@ -625,7 +625,7 @@ gss_create(struct rpc_clnt *clnt, rpc_authflavor_t flavor)
err = -EINVAL;
gss_auth->mech = gss_mech_get_by_pseudoflavor(flavor);
if (!gss_auth->mech) {
printk(KERN_WARNING "%s: Pseudoflavor %d not found!",
printk(KERN_WARNING "%s: Pseudoflavor %d not found!\n",
__FUNCTION__, flavor);
goto err_free;
}