diff options
Diffstat (limited to 'fs/nfs/nfs3proc.c')
| -rw-r--r-- | fs/nfs/nfs3proc.c | 237 | 
1 files changed, 155 insertions, 82 deletions
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c index ce939c062a5..f0afa291fd5 100644 --- a/fs/nfs/nfs3proc.c +++ b/fs/nfs/nfs3proc.c @@ -17,22 +17,24 @@  #include <linux/nfs_page.h>  #include <linux/lockd/bind.h>  #include <linux/nfs_mount.h> +#include <linux/freezer.h> +#include <linux/xattr.h>  #include "iostat.h"  #include "internal.h"  #define NFSDBG_FACILITY		NFSDBG_PROC -/* A wrapper to handle the EJUKEBOX and EKEYEXPIRED error messages */ +/* A wrapper to handle the EJUKEBOX error messages */  static int  nfs3_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags)  {  	int res;  	do {  		res = rpc_call_sync(clnt, msg, flags); -		if (res != -EJUKEBOX && res != -EKEYEXPIRED) +		if (res != -EJUKEBOX)  			break; -		schedule_timeout_killable(NFS_JUKEBOX_RETRY_TIME); +		freezable_schedule_timeout_killable_unsafe(NFS_JUKEBOX_RETRY_TIME);  		res = -ERESTARTSYS;  	} while (!fatal_signal_pending(current));  	return res; @@ -43,7 +45,7 @@ nfs3_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags)  static int  nfs3_async_handle_jukebox(struct rpc_task *task, struct inode *inode)  { -	if (task->tk_status != -EJUKEBOX && task->tk_status != -EKEYEXPIRED) +	if (task->tk_status != -EJUKEBOX)  		return 0;  	if (task->tk_status == -EJUKEBOX)  		nfs_inc_stats(inode, NFSIOS_DELAY); @@ -68,7 +70,7 @@ do_proc_get_root(struct rpc_clnt *client, struct nfs_fh *fhandle,  	nfs_fattr_init(info->fattr);  	status = rpc_call_sync(client, &msg, 0);  	dprintk("%s: reply fsinfo: %d\n", __func__, status); -	if (!(info->fattr->valid & NFS_ATTR_FATTR)) { +	if (status == 0 && !(info->fattr->valid & NFS_ATTR_FATTR)) {  		msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR];  		msg.rpc_resp = info->fattr;  		status = rpc_call_sync(client, &msg, 0); @@ -97,7 +99,7 @@ nfs3_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle,   */  static int  nfs3_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, -		struct nfs_fattr *fattr) +		struct nfs_fattr *fattr, struct nfs4_label *label)  {  	struct rpc_message msg = {  		.rpc_proc	= &nfs3_procedures[NFS3PROC_GETATTR], @@ -142,7 +144,8 @@ nfs3_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,  static int  nfs3_proc_lookup(struct inode *dir, struct qstr *name, -		 struct nfs_fh *fhandle, struct nfs_fattr *fattr) +		 struct nfs_fh *fhandle, struct nfs_fattr *fattr, +		 struct nfs4_label *label)  {  	struct nfs3_diropargs	arg = {  		.fh		= NFS_FH(dir), @@ -299,7 +302,7 @@ static int nfs3_do_create(struct inode *dir, struct dentry *dentry, struct nfs3_  	status = rpc_call_sync(NFS_CLIENT(dir), &data->msg, 0);  	nfs_post_op_update_inode(dir, data->res.dir_attr);  	if (status == 0) -		status = nfs_instantiate(dentry, data->res.fh, data->res.fattr); +		status = nfs_instantiate(dentry, data->res.fh, data->res.fattr, NULL);  	return status;  } @@ -313,13 +316,13 @@ static void nfs3_free_createdata(struct nfs3_createdata *data)   */  static int  nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, -		 int flags, struct nfs_open_context *ctx) +		 int flags)  { +	struct posix_acl *default_acl, *acl;  	struct nfs3_createdata *data; -	mode_t mode = sattr->ia_mode;  	int status = -ENOMEM; -	dprintk("NFS call  create %s\n", dentry->d_name.name); +	dprintk("NFS call  create %pd\n", dentry);  	data = nfs3_alloc_createdata();  	if (data == NULL) @@ -334,11 +337,13 @@ nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,  	data->arg.create.createmode = NFS3_CREATE_UNCHECKED;  	if (flags & O_EXCL) {  		data->arg.create.createmode  = NFS3_CREATE_EXCLUSIVE; -		data->arg.create.verifier[0] = jiffies; -		data->arg.create.verifier[1] = current->pid; +		data->arg.create.verifier[0] = cpu_to_be32(jiffies); +		data->arg.create.verifier[1] = cpu_to_be32(current->pid);  	} -	sattr->ia_mode &= ~current_umask(); +	status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl); +	if (status) +		goto out;  	for (;;) {  		status = nfs3_do_create(dir, dentry, data); @@ -364,7 +369,7 @@ nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,  	}  	if (status != 0) -		goto out; +		goto out_release_acls;  	/* When we created the file with exclusive semantics, make  	 * sure we set the attributes afterwards. */ @@ -383,9 +388,14 @@ nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,  		nfs_post_op_update_inode(dentry->d_inode, data->res.fattr);  		dprintk("NFS reply setattr (post-create): %d\n", status);  		if (status != 0) -			goto out; +			goto out_release_acls;  	} -	status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); + +	status = nfs3_proc_setacls(dentry->d_inode, acl, default_acl); + +out_release_acls: +	posix_acl_release(acl); +	posix_acl_release(default_acl);  out:  	nfs3_free_createdata(data);  	dprintk("NFS reply create: %d\n", status); @@ -397,8 +407,7 @@ nfs3_proc_remove(struct inode *dir, struct qstr *name)  {  	struct nfs_removeargs arg = {  		.fh = NFS_FH(dir), -		.name.len = name->len, -		.name.name = name->name, +		.name = *name,  	};  	struct nfs_removeres res;  	struct rpc_message msg = { @@ -427,6 +436,11 @@ nfs3_proc_unlink_setup(struct rpc_message *msg, struct inode *dir)  	msg->rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE];  } +static void nfs3_proc_unlink_rpc_prepare(struct rpc_task *task, struct nfs_unlinkdata *data) +{ +	rpc_call_start(task); +} +  static int  nfs3_proc_unlink_done(struct rpc_task *task, struct inode *dir)  { @@ -444,6 +458,11 @@ nfs3_proc_rename_setup(struct rpc_message *msg, struct inode *dir)  	msg->rpc_proc = &nfs3_procedures[NFS3PROC_RENAME];  } +static void nfs3_proc_rename_rpc_prepare(struct rpc_task *task, struct nfs_renamedata *data) +{ +	rpc_call_start(task); +} +  static int  nfs3_proc_rename_done(struct rpc_task *task, struct inode *old_dir,  		      struct inode *new_dir) @@ -460,41 +479,6 @@ nfs3_proc_rename_done(struct rpc_task *task, struct inode *old_dir,  }  static int -nfs3_proc_rename(struct inode *old_dir, struct qstr *old_name, -		 struct inode *new_dir, struct qstr *new_name) -{ -	struct nfs_renameargs	arg = { -		.old_dir	= NFS_FH(old_dir), -		.old_name	= old_name, -		.new_dir	= NFS_FH(new_dir), -		.new_name	= new_name, -	}; -	struct nfs_renameres res; -	struct rpc_message msg = { -		.rpc_proc	= &nfs3_procedures[NFS3PROC_RENAME], -		.rpc_argp	= &arg, -		.rpc_resp	= &res, -	}; -	int status = -ENOMEM; - -	dprintk("NFS call  rename %s -> %s\n", old_name->name, new_name->name); - -	res.old_fattr = nfs_alloc_fattr(); -	res.new_fattr = nfs_alloc_fattr(); -	if (res.old_fattr == NULL || res.new_fattr == NULL) -		goto out; - -	status = rpc_call_sync(NFS_CLIENT(old_dir), &msg, 0); -	nfs_post_op_update_inode(old_dir, res.old_fattr); -	nfs_post_op_update_inode(new_dir, res.new_fattr); -out: -	nfs_free_fattr(res.old_fattr); -	nfs_free_fattr(res.new_fattr); -	dprintk("NFS reply rename: %d\n", status); -	return status; -} - -static int  nfs3_proc_link(struct inode *inode, struct inode *dir, struct qstr *name)  {  	struct nfs3_linkargs	arg = { @@ -537,7 +521,7 @@ nfs3_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page,  	if (len > NFS3_MAXPATHLEN)  		return -ENAMETOOLONG; -	dprintk("NFS call  symlink %s\n", dentry->d_name.name); +	dprintk("NFS call  symlink %pd\n", dentry);  	data = nfs3_alloc_createdata();  	if (data == NULL) @@ -561,18 +545,20 @@ out:  static int  nfs3_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr)  { +	struct posix_acl *default_acl, *acl;  	struct nfs3_createdata *data; -	int mode = sattr->ia_mode;  	int status = -ENOMEM; -	dprintk("NFS call  mkdir %s\n", dentry->d_name.name); - -	sattr->ia_mode &= ~current_umask(); +	dprintk("NFS call  mkdir %pd\n", dentry);  	data = nfs3_alloc_createdata();  	if (data == NULL)  		goto out; +	status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl); +	if (status) +		goto out; +  	data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKDIR];  	data->arg.mkdir.fh = NFS_FH(dir);  	data->arg.mkdir.name = dentry->d_name.name; @@ -581,9 +567,13 @@ nfs3_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr)  	status = nfs3_do_create(dir, dentry, data);  	if (status != 0) -		goto out; +		goto out_release_acls; + +	status = nfs3_proc_setacls(dentry->d_inode, acl, default_acl); -	status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); +out_release_acls: +	posix_acl_release(acl); +	posix_acl_release(default_acl);  out:  	nfs3_free_createdata(data);  	dprintk("NFS reply mkdir: %d\n", status); @@ -633,7 +623,7 @@ nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,  		  u64 cookie, struct page **pages, unsigned int count, int plus)  {  	struct inode		*dir = dentry->d_inode; -	__be32			*verf = NFS_COOKIEVERF(dir); +	__be32			*verf = NFS_I(dir)->cookieverf;  	struct nfs3_readdirargs	arg = {  		.fh		= NFS_FH(dir),  		.cookie		= cookie, @@ -680,19 +670,21 @@ static int  nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr,  		dev_t rdev)  { +	struct posix_acl *default_acl, *acl;  	struct nfs3_createdata *data; -	mode_t mode = sattr->ia_mode;  	int status = -ENOMEM; -	dprintk("NFS call  mknod %s %u:%u\n", dentry->d_name.name, +	dprintk("NFS call  mknod %pd %u:%u\n", dentry,  			MAJOR(rdev), MINOR(rdev)); -	sattr->ia_mode &= ~current_umask(); -  	data = nfs3_alloc_createdata();  	if (data == NULL)  		goto out; +	status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl); +	if (status) +		goto out; +  	data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKNOD];  	data->arg.mknod.fh = NFS_FH(dir);  	data->arg.mknod.name = dentry->d_name.name; @@ -720,8 +712,13 @@ nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr,  	status = nfs3_do_create(dir, dentry, data);  	if (status != 0) -		goto out; -	status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode); +		goto out_release_acls; + +	status = nfs3_proc_setacls(dentry->d_inode, acl, default_acl); + +out_release_acls: +	posix_acl_release(acl); +	posix_acl_release(default_acl);  out:  	nfs3_free_createdata(data);  	dprintk("NFS reply mknod: %d\n", status); @@ -798,36 +795,51 @@ nfs3_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle,  	return status;  } -static int nfs3_read_done(struct rpc_task *task, struct nfs_read_data *data) +static int nfs3_read_done(struct rpc_task *task, struct nfs_pgio_data *data)  { -	if (nfs3_async_handle_jukebox(task, data->inode)) +	struct inode *inode = data->header->inode; + +	if (nfs3_async_handle_jukebox(task, inode))  		return -EAGAIN; -	nfs_invalidate_atime(data->inode); -	nfs_refresh_inode(data->inode, &data->fattr); +	nfs_invalidate_atime(inode); +	nfs_refresh_inode(inode, &data->fattr);  	return 0;  } -static void nfs3_proc_read_setup(struct nfs_read_data *data, struct rpc_message *msg) +static void nfs3_proc_read_setup(struct nfs_pgio_data *data, struct rpc_message *msg)  {  	msg->rpc_proc = &nfs3_procedures[NFS3PROC_READ];  } -static int nfs3_write_done(struct rpc_task *task, struct nfs_write_data *data) +static int nfs3_proc_pgio_rpc_prepare(struct rpc_task *task, struct nfs_pgio_data *data)  { -	if (nfs3_async_handle_jukebox(task, data->inode)) +	rpc_call_start(task); +	return 0; +} + +static int nfs3_write_done(struct rpc_task *task, struct nfs_pgio_data *data) +{ +	struct inode *inode = data->header->inode; + +	if (nfs3_async_handle_jukebox(task, inode))  		return -EAGAIN;  	if (task->tk_status >= 0) -		nfs_post_op_update_inode_force_wcc(data->inode, data->res.fattr); +		nfs_post_op_update_inode_force_wcc(inode, data->res.fattr);  	return 0;  } -static void nfs3_proc_write_setup(struct nfs_write_data *data, struct rpc_message *msg) +static void nfs3_proc_write_setup(struct nfs_pgio_data *data, struct rpc_message *msg)  {  	msg->rpc_proc = &nfs3_procedures[NFS3PROC_WRITE];  } -static int nfs3_commit_done(struct rpc_task *task, struct nfs_write_data *data) +static void nfs3_proc_commit_rpc_prepare(struct rpc_task *task, struct nfs_commit_data *data) +{ +	rpc_call_start(task); +} + +static int nfs3_commit_done(struct rpc_task *task, struct nfs_commit_data *data)  {  	if (nfs3_async_handle_jukebox(task, data->inode))  		return -EAGAIN; @@ -835,7 +847,7 @@ static int nfs3_commit_done(struct rpc_task *task, struct nfs_write_data *data)  	return 0;  } -static void nfs3_proc_commit_setup(struct nfs_write_data *data, struct rpc_message *msg) +static void nfs3_proc_commit_setup(struct nfs_commit_data *data, struct rpc_message *msg)  {  	msg->rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT];  } @@ -843,17 +855,68 @@ static void nfs3_proc_commit_setup(struct nfs_write_data *data, struct rpc_messa  static int  nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl)  { -	struct inode *inode = filp->f_path.dentry->d_inode; +	struct inode *inode = file_inode(filp);  	return nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl);  } +static int nfs3_have_delegation(struct inode *inode, fmode_t flags) +{ +	return 0; +} + +static int nfs3_return_delegation(struct inode *inode) +{ +	nfs_wb_all(inode); +	return 0; +} + +static const struct inode_operations nfs3_dir_inode_operations = { +	.create		= nfs_create, +	.lookup		= nfs_lookup, +	.link		= nfs_link, +	.unlink		= nfs_unlink, +	.symlink	= nfs_symlink, +	.mkdir		= nfs_mkdir, +	.rmdir		= nfs_rmdir, +	.mknod		= nfs_mknod, +	.rename		= nfs_rename, +	.permission	= nfs_permission, +	.getattr	= nfs_getattr, +	.setattr	= nfs_setattr, +#ifdef CONFIG_NFS_V3_ACL +	.listxattr	= nfs3_listxattr, +	.getxattr	= generic_getxattr, +	.setxattr	= generic_setxattr, +	.removexattr	= generic_removexattr, +	.get_acl	= nfs3_get_acl, +	.set_acl	= nfs3_set_acl, +#endif +}; + +static const struct inode_operations nfs3_file_inode_operations = { +	.permission	= nfs_permission, +	.getattr	= nfs_getattr, +	.setattr	= nfs_setattr, +#ifdef CONFIG_NFS_V3_ACL +	.listxattr	= nfs3_listxattr, +	.getxattr	= generic_getxattr, +	.setxattr	= generic_setxattr, +	.removexattr	= generic_removexattr, +	.get_acl	= nfs3_get_acl, +	.set_acl	= nfs3_set_acl, +#endif +}; +  const struct nfs_rpc_ops nfs_v3_clientops = {  	.version	= 3,			/* protocol version */  	.dentry_ops	= &nfs_dentry_operations,  	.dir_inode_ops	= &nfs3_dir_inode_operations,  	.file_inode_ops	= &nfs3_file_inode_operations, +	.file_ops	= &nfs_file_operations,  	.getroot	= nfs3_proc_get_root, +	.submount	= nfs_submount, +	.try_mount	= nfs_try_mount,  	.getattr	= nfs3_proc_getattr,  	.setattr	= nfs3_proc_setattr,  	.lookup		= nfs3_proc_lookup, @@ -862,9 +925,10 @@ const struct nfs_rpc_ops nfs_v3_clientops = {  	.create		= nfs3_proc_create,  	.remove		= nfs3_proc_remove,  	.unlink_setup	= nfs3_proc_unlink_setup, +	.unlink_rpc_prepare = nfs3_proc_unlink_rpc_prepare,  	.unlink_done	= nfs3_proc_unlink_done, -	.rename		= nfs3_proc_rename,  	.rename_setup	= nfs3_proc_rename_setup, +	.rename_rpc_prepare = nfs3_proc_rename_rpc_prepare,  	.rename_done	= nfs3_proc_rename_done,  	.link		= nfs3_proc_link,  	.symlink	= nfs3_proc_symlink, @@ -876,13 +940,22 @@ const struct nfs_rpc_ops nfs_v3_clientops = {  	.fsinfo		= nfs3_proc_fsinfo,  	.pathconf	= nfs3_proc_pathconf,  	.decode_dirent	= nfs3_decode_dirent, +	.pgio_rpc_prepare = nfs3_proc_pgio_rpc_prepare,  	.read_setup	= nfs3_proc_read_setup,  	.read_done	= nfs3_read_done,  	.write_setup	= nfs3_proc_write_setup,  	.write_done	= nfs3_write_done,  	.commit_setup	= nfs3_proc_commit_setup, +	.commit_rpc_prepare = nfs3_proc_commit_rpc_prepare,  	.commit_done	= nfs3_commit_done,  	.lock		= nfs3_proc_lock, -	.clear_acl_cache = nfs3_forget_cached_acls, +	.clear_acl_cache = forget_all_cached_acls,  	.close_context	= nfs_close_context, +	.have_delegation = nfs3_have_delegation, +	.return_delegation = nfs3_return_delegation, +	.alloc_client	= nfs_alloc_client, +	.init_client	= nfs_init_client, +	.free_client	= nfs_free_client, +	.create_server	= nfs3_create_server, +	.clone_server	= nfs3_clone_server,  };  | 
