*/
#include <linux/mm.h>
-#include <linux/utsname.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/sunrpc/clnt.h>
+#include <linux/slab.h>
#include <linux/nfs.h>
#include <linux/nfs3.h>
#include <linux/nfs_fs.h>
#include <linux/nfs_page.h>
#include <linux/lockd/bind.h>
-#include <linux/smp_lock.h>
#include <linux/nfs_mount.h>
#include "iostat.h"
#define NFSDBG_FACILITY NFSDBG_PROC
-/* A wrapper to handle the EJUKEBOX error message */
+/* A wrapper to handle the EJUKEBOX and EKEYEXPIRED error messages */
static int
nfs3_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags)
{
- sigset_t oldset;
int res;
- rpc_clnt_sigmask(clnt, &oldset);
do {
res = rpc_call_sync(clnt, msg, flags);
- if (res != -EJUKEBOX)
+ if (res != -EJUKEBOX && res != -EKEYEXPIRED)
break;
- schedule_timeout_interruptible(NFS_JUKEBOX_RETRY_TIME);
+ schedule_timeout_killable(NFS_JUKEBOX_RETRY_TIME);
res = -ERESTARTSYS;
- } while (!signalled());
- rpc_clnt_sigunmask(clnt, &oldset);
+ } while (!fatal_signal_pending(current));
return res;
}
static int
nfs3_async_handle_jukebox(struct rpc_task *task, struct inode *inode)
{
- if (task->tk_status != -EJUKEBOX)
+ if (task->tk_status != -EJUKEBOX && task->tk_status != -EKEYEXPIRED)
return 0;
- nfs_inc_stats(inode, NFSIOS_DELAY);
+ if (task->tk_status == -EJUKEBOX)
+ nfs_inc_stats(inode, NFSIOS_DELAY);
task->tk_status = 0;
rpc_restart_call(task);
rpc_delay(task, NFS_JUKEBOX_RETRY_TIME);
};
int status;
- dprintk("%s: call fsinfo\n", __FUNCTION__);
+ dprintk("%s: call fsinfo\n", __func__);
nfs_fattr_init(info->fattr);
status = rpc_call_sync(client, &msg, 0);
- dprintk("%s: reply fsinfo: %d\n", __FUNCTION__, status);
+ dprintk("%s: reply fsinfo: %d\n", __func__, status);
if (!(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);
- dprintk("%s: reply getattr: %d\n", __FUNCTION__, status);
+ dprintk("%s: reply getattr: %d\n", __func__, status);
}
return status;
}
int status;
dprintk("NFS call setattr\n");
+ if (sattr->ia_valid & ATTR_FILE)
+ msg.rpc_cred = nfs_file_cred(sattr->ia_file);
nfs_fattr_init(fattr);
status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
if (status == 0)
nfs3_proc_lookup(struct inode *dir, struct qstr *name,
struct nfs_fh *fhandle, struct nfs_fattr *fattr)
{
- struct nfs_fattr dir_attr;
struct nfs3_diropargs arg = {
.fh = NFS_FH(dir),
.name = name->name,
.len = name->len
};
struct nfs3_diropres res = {
- .dir_attr = &dir_attr,
.fh = fhandle,
.fattr = fattr
};
int status;
dprintk("NFS call lookup %s\n", name->name);
- nfs_fattr_init(&dir_attr);
+ res.dir_attr = nfs_alloc_fattr();
+ if (res.dir_attr == NULL)
+ return -ENOMEM;
+
nfs_fattr_init(fattr);
status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
+ nfs_refresh_inode(dir, res.dir_attr);
if (status >= 0 && !(fattr->valid & NFS_ATTR_FATTR)) {
msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR];
msg.rpc_argp = fhandle;
msg.rpc_resp = fattr;
status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
}
+ nfs_free_fattr(res.dir_attr);
dprintk("NFS reply lookup: %d\n", status);
- if (status >= 0)
- status = nfs_refresh_inode(dir, &dir_attr);
return status;
}
static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry)
{
- struct nfs_fattr fattr;
struct nfs3_accessargs arg = {
.fh = NFS_FH(inode),
};
- struct nfs3_accessres res = {
- .fattr = &fattr,
- };
+ struct nfs3_accessres res;
struct rpc_message msg = {
.rpc_proc = &nfs3_procedures[NFS3PROC_ACCESS],
.rpc_argp = &arg,
.rpc_cred = entry->cred,
};
int mode = entry->mask;
- int status;
+ int status = -ENOMEM;
dprintk("NFS call access\n");
if (mode & MAY_EXEC)
arg.access |= NFS3_ACCESS_EXECUTE;
}
- nfs_fattr_init(&fattr);
+
+ res.fattr = nfs_alloc_fattr();
+ if (res.fattr == NULL)
+ goto out;
+
status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
- nfs_refresh_inode(inode, &fattr);
+ nfs_refresh_inode(inode, res.fattr);
if (status == 0) {
entry->mask = 0;
if (res.access & NFS3_ACCESS_READ)
if (res.access & (NFS3_ACCESS_LOOKUP|NFS3_ACCESS_EXECUTE))
entry->mask |= MAY_EXEC;
}
+ nfs_free_fattr(res.fattr);
+out:
dprintk("NFS reply access: %d\n", status);
return status;
}
static int nfs3_proc_readlink(struct inode *inode, struct page *page,
unsigned int pgbase, unsigned int pglen)
{
- struct nfs_fattr fattr;
+ struct nfs_fattr *fattr;
struct nfs3_readlinkargs args = {
.fh = NFS_FH(inode),
.pgbase = pgbase,
struct rpc_message msg = {
.rpc_proc = &nfs3_procedures[NFS3PROC_READLINK],
.rpc_argp = &args,
- .rpc_resp = &fattr,
};
- int status;
+ int status = -ENOMEM;
dprintk("NFS call readlink\n");
- nfs_fattr_init(&fattr);
+ fattr = nfs_alloc_fattr();
+ if (fattr == NULL)
+ goto out;
+ msg.rpc_resp = fattr;
+
status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
- nfs_refresh_inode(inode, &fattr);
+ nfs_refresh_inode(inode, fattr);
+ nfs_free_fattr(fattr);
+out:
dprintk("NFS reply readlink: %d\n", status);
return status;
}
-static int nfs3_proc_read(struct nfs_read_data *rdata)
+struct nfs3_createdata {
+ struct rpc_message msg;
+ union {
+ struct nfs3_createargs create;
+ struct nfs3_mkdirargs mkdir;
+ struct nfs3_symlinkargs symlink;
+ struct nfs3_mknodargs mknod;
+ } arg;
+ struct nfs3_diropres res;
+ struct nfs_fh fh;
+ struct nfs_fattr fattr;
+ struct nfs_fattr dir_attr;
+};
+
+static struct nfs3_createdata *nfs3_alloc_createdata(void)
{
- int flags = rdata->flags;
- struct inode * inode = rdata->inode;
- struct nfs_fattr * fattr = rdata->res.fattr;
- struct rpc_message msg = {
- .rpc_proc = &nfs3_procedures[NFS3PROC_READ],
- .rpc_argp = &rdata->args,
- .rpc_resp = &rdata->res,
- .rpc_cred = rdata->cred,
- };
- int status;
+ struct nfs3_createdata *data;
- dprintk("NFS call read %d @ %Ld\n", rdata->args.count,
- (long long) rdata->args.offset);
- nfs_fattr_init(fattr);
- status = rpc_call_sync(NFS_CLIENT(inode), &msg, flags);
- if (status >= 0)
- nfs_refresh_inode(inode, fattr);
- dprintk("NFS reply read: %d\n", status);
- return status;
+ data = kzalloc(sizeof(*data), GFP_KERNEL);
+ if (data != NULL) {
+ data->msg.rpc_argp = &data->arg;
+ data->msg.rpc_resp = &data->res;
+ data->res.fh = &data->fh;
+ data->res.fattr = &data->fattr;
+ data->res.dir_attr = &data->dir_attr;
+ nfs_fattr_init(data->res.fattr);
+ nfs_fattr_init(data->res.dir_attr);
+ }
+ return data;
}
-static int nfs3_proc_write(struct nfs_write_data *wdata)
+static int nfs3_do_create(struct inode *dir, struct dentry *dentry, struct nfs3_createdata *data)
{
- int rpcflags = wdata->flags;
- struct inode * inode = wdata->inode;
- struct nfs_fattr * fattr = wdata->res.fattr;
- struct rpc_message msg = {
- .rpc_proc = &nfs3_procedures[NFS3PROC_WRITE],
- .rpc_argp = &wdata->args,
- .rpc_resp = &wdata->res,
- .rpc_cred = wdata->cred,
- };
- int status;
+ int status;
- dprintk("NFS call write %d @ %Ld\n", wdata->args.count,
- (long long) wdata->args.offset);
- nfs_fattr_init(fattr);
- status = rpc_call_sync(NFS_CLIENT(inode), &msg, rpcflags);
- if (status >= 0)
- nfs_post_op_update_inode(inode, fattr);
- dprintk("NFS reply write: %d\n", status);
- return status < 0? status : wdata->res.count;
+ 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);
+ return status;
}
-static int nfs3_proc_commit(struct nfs_write_data *cdata)
+static void nfs3_free_createdata(struct nfs3_createdata *data)
{
- struct inode * inode = cdata->inode;
- struct nfs_fattr * fattr = cdata->res.fattr;
- struct rpc_message msg = {
- .rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT],
- .rpc_argp = &cdata->args,
- .rpc_resp = &cdata->res,
- .rpc_cred = cdata->cred,
- };
- int status;
-
- dprintk("NFS call commit %d @ %Ld\n", cdata->args.count,
- (long long) cdata->args.offset);
- nfs_fattr_init(fattr);
- status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
- if (status >= 0)
- nfs_post_op_update_inode(inode, fattr);
- dprintk("NFS reply commit: %d\n", status);
- return status;
+ kfree(data);
}
/*
* Create a regular file.
- * For now, we don't implement O_EXCL.
*/
static int
nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
int flags, struct nameidata *nd)
{
- struct nfs_fh fhandle;
- struct nfs_fattr fattr;
- struct nfs_fattr dir_attr;
- struct nfs3_createargs arg = {
- .fh = NFS_FH(dir),
- .name = dentry->d_name.name,
- .len = dentry->d_name.len,
- .sattr = sattr,
- };
- struct nfs3_diropres res = {
- .dir_attr = &dir_attr,
- .fh = &fhandle,
- .fattr = &fattr
- };
- struct rpc_message msg = {
- .rpc_proc = &nfs3_procedures[NFS3PROC_CREATE],
- .rpc_argp = &arg,
- .rpc_resp = &res,
- };
+ struct nfs3_createdata *data;
mode_t mode = sattr->ia_mode;
- int status;
+ int status = -ENOMEM;
dprintk("NFS call create %s\n", dentry->d_name.name);
- arg.createmode = NFS3_CREATE_UNCHECKED;
+
+ data = nfs3_alloc_createdata();
+ if (data == NULL)
+ goto out;
+
+ data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_CREATE];
+ data->arg.create.fh = NFS_FH(dir);
+ data->arg.create.name = dentry->d_name.name;
+ data->arg.create.len = dentry->d_name.len;
+ data->arg.create.sattr = sattr;
+
+ data->arg.create.createmode = NFS3_CREATE_UNCHECKED;
if (flags & O_EXCL) {
- arg.createmode = NFS3_CREATE_EXCLUSIVE;
- arg.verifier[0] = jiffies;
- arg.verifier[1] = current->pid;
+ data->arg.create.createmode = NFS3_CREATE_EXCLUSIVE;
+ data->arg.create.verifier[0] = jiffies;
+ data->arg.create.verifier[1] = current->pid;
}
- sattr->ia_mode &= ~current->fs->umask;
+ sattr->ia_mode &= ~current_umask();
-again:
- nfs_fattr_init(&dir_attr);
- nfs_fattr_init(&fattr);
- status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
- nfs_refresh_inode(dir, &dir_attr);
+ for (;;) {
+ status = nfs3_do_create(dir, dentry, data);
- /* If the server doesn't support the exclusive creation semantics,
- * try again with simple 'guarded' mode. */
- if (status == NFSERR_NOTSUPP) {
- switch (arg.createmode) {
+ if (status != -ENOTSUPP)
+ break;
+ /* If the server doesn't support the exclusive creation
+ * semantics, try again with simple 'guarded' mode. */
+ switch (data->arg.create.createmode) {
case NFS3_CREATE_EXCLUSIVE:
- arg.createmode = NFS3_CREATE_GUARDED;
+ data->arg.create.createmode = NFS3_CREATE_GUARDED;
break;
case NFS3_CREATE_GUARDED:
- arg.createmode = NFS3_CREATE_UNCHECKED;
+ data->arg.create.createmode = NFS3_CREATE_UNCHECKED;
break;
case NFS3_CREATE_UNCHECKED:
goto out;
}
- goto again;
+ nfs_fattr_init(data->res.dir_attr);
+ nfs_fattr_init(data->res.fattr);
}
- if (status == 0)
- status = nfs_instantiate(dentry, &fhandle, &fattr);
if (status != 0)
goto out;
/* When we created the file with exclusive semantics, make
* sure we set the attributes afterwards. */
- if (arg.createmode == NFS3_CREATE_EXCLUSIVE) {
+ if (data->arg.create.createmode == NFS3_CREATE_EXCLUSIVE) {
dprintk("NFS call setattr (post-create)\n");
if (!(sattr->ia_valid & ATTR_ATIME_SET))
/* Note: we could use a guarded setattr here, but I'm
* not sure this buys us anything (and I'd have
* to revamp the NFSv3 XDR code) */
- status = nfs3_proc_setattr(dentry, &fattr, sattr);
- if (status == 0)
- nfs_setattr_update_inode(dentry->d_inode, sattr);
- nfs_refresh_inode(dentry->d_inode, &fattr);
+ status = nfs3_proc_setattr(dentry, data->res.fattr, 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;
}
- if (status != 0)
- goto out;
status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode);
out:
+ nfs3_free_createdata(data);
dprintk("NFS reply create: %d\n", status);
return status;
}
static int
nfs3_proc_remove(struct inode *dir, struct qstr *name)
{
- struct nfs_fattr dir_attr;
- struct nfs3_diropargs arg = {
- .fh = NFS_FH(dir),
- .name = name->name,
- .len = name->len
+ struct nfs_removeargs arg = {
+ .fh = NFS_FH(dir),
+ .name.len = name->len,
+ .name.name = name->name,
};
- struct rpc_message msg = {
- .rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE],
- .rpc_argp = &arg,
- .rpc_resp = &dir_attr,
+ struct nfs_removeres res;
+ struct rpc_message msg = {
+ .rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE],
+ .rpc_argp = &arg,
+ .rpc_resp = &res,
};
- int status;
+ int status = -ENOMEM;
dprintk("NFS call remove %s\n", name->name);
- nfs_fattr_init(&dir_attr);
+ res.dir_attr = nfs_alloc_fattr();
+ if (res.dir_attr == NULL)
+ goto out;
+
status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
- nfs_post_op_update_inode(dir, &dir_attr);
+ nfs_post_op_update_inode(dir, res.dir_attr);
+ nfs_free_fattr(res.dir_attr);
+out:
dprintk("NFS reply remove: %d\n", status);
return status;
}
-static int
-nfs3_proc_unlink_setup(struct rpc_message *msg, struct dentry *dir, struct qstr *name)
+static void
+nfs3_proc_unlink_setup(struct rpc_message *msg, struct inode *dir)
{
- struct unlinkxdr {
- struct nfs3_diropargs arg;
- struct nfs_fattr res;
- } *ptr;
-
- ptr = (struct unlinkxdr *)kmalloc(sizeof(*ptr), GFP_KERNEL);
- if (!ptr)
- return -ENOMEM;
- ptr->arg.fh = NFS_FH(dir->d_inode);
- ptr->arg.name = name->name;
- ptr->arg.len = name->len;
- nfs_fattr_init(&ptr->res);
msg->rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE];
- msg->rpc_argp = &ptr->arg;
- msg->rpc_resp = &ptr->res;
- return 0;
}
static int
-nfs3_proc_unlink_done(struct dentry *dir, struct rpc_task *task)
+nfs3_proc_unlink_done(struct rpc_task *task, struct inode *dir)
{
- struct rpc_message *msg = &task->tk_msg;
- struct nfs_fattr *dir_attr;
-
- if (nfs3_async_handle_jukebox(task, dir->d_inode))
- return 1;
- if (msg->rpc_argp) {
- dir_attr = (struct nfs_fattr*)msg->rpc_resp;
- nfs_post_op_update_inode(dir->d_inode, dir_attr);
- kfree(msg->rpc_argp);
- }
- return 0;
+ struct nfs_removeres *res;
+ if (nfs3_async_handle_jukebox(task, dir))
+ return 0;
+ res = task->tk_msg.rpc_resp;
+ nfs_post_op_update_inode(dir, res->dir_attr);
+ return 1;
}
static int
nfs3_proc_rename(struct inode *old_dir, struct qstr *old_name,
struct inode *new_dir, struct qstr *new_name)
{
- struct nfs_fattr old_dir_attr, new_dir_attr;
struct nfs3_renameargs arg = {
.fromfh = NFS_FH(old_dir),
.fromname = old_name->name,
.toname = new_name->name,
.tolen = new_name->len
};
- struct nfs3_renameres res = {
- .fromattr = &old_dir_attr,
- .toattr = &new_dir_attr
- };
+ struct nfs3_renameres res;
struct rpc_message msg = {
.rpc_proc = &nfs3_procedures[NFS3PROC_RENAME],
.rpc_argp = &arg,
.rpc_resp = &res,
};
- int status;
+ int status = -ENOMEM;
dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name);
- nfs_fattr_init(&old_dir_attr);
- nfs_fattr_init(&new_dir_attr);
+
+ res.fromattr = nfs_alloc_fattr();
+ res.toattr = nfs_alloc_fattr();
+ if (res.fromattr == NULL || res.toattr == NULL)
+ goto out;
+
status = rpc_call_sync(NFS_CLIENT(old_dir), &msg, 0);
- nfs_post_op_update_inode(old_dir, &old_dir_attr);
- nfs_post_op_update_inode(new_dir, &new_dir_attr);
+ nfs_post_op_update_inode(old_dir, res.fromattr);
+ nfs_post_op_update_inode(new_dir, res.toattr);
+out:
+ nfs_free_fattr(res.toattr);
+ nfs_free_fattr(res.fromattr);
dprintk("NFS reply rename: %d\n", status);
return status;
}
static int
nfs3_proc_link(struct inode *inode, struct inode *dir, struct qstr *name)
{
- struct nfs_fattr dir_attr, fattr;
struct nfs3_linkargs arg = {
.fromfh = NFS_FH(inode),
.tofh = NFS_FH(dir),
.toname = name->name,
.tolen = name->len
};
- struct nfs3_linkres res = {
- .dir_attr = &dir_attr,
- .fattr = &fattr
- };
+ struct nfs3_linkres res;
struct rpc_message msg = {
.rpc_proc = &nfs3_procedures[NFS3PROC_LINK],
.rpc_argp = &arg,
.rpc_resp = &res,
};
- int status;
+ int status = -ENOMEM;
dprintk("NFS call link %s\n", name->name);
- nfs_fattr_init(&dir_attr);
- nfs_fattr_init(&fattr);
+ res.fattr = nfs_alloc_fattr();
+ res.dir_attr = nfs_alloc_fattr();
+ if (res.fattr == NULL || res.dir_attr == NULL)
+ goto out;
+
status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
- nfs_post_op_update_inode(dir, &dir_attr);
- nfs_post_op_update_inode(inode, &fattr);
+ nfs_post_op_update_inode(dir, res.dir_attr);
+ nfs_post_op_update_inode(inode, res.fattr);
+out:
+ nfs_free_fattr(res.dir_attr);
+ nfs_free_fattr(res.fattr);
dprintk("NFS reply link: %d\n", status);
return status;
}
nfs3_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page,
unsigned int len, struct iattr *sattr)
{
- struct nfs_fh fhandle;
- struct nfs_fattr fattr, dir_attr;
- struct nfs3_symlinkargs arg = {
- .fromfh = NFS_FH(dir),
- .fromname = dentry->d_name.name,
- .fromlen = dentry->d_name.len,
- .pages = &page,
- .pathlen = len,
- .sattr = sattr
- };
- struct nfs3_diropres res = {
- .dir_attr = &dir_attr,
- .fh = &fhandle,
- .fattr = &fattr
- };
- struct rpc_message msg = {
- .rpc_proc = &nfs3_procedures[NFS3PROC_SYMLINK],
- .rpc_argp = &arg,
- .rpc_resp = &res,
- };
- int status;
+ struct nfs3_createdata *data;
+ int status = -ENOMEM;
if (len > NFS3_MAXPATHLEN)
return -ENAMETOOLONG;
dprintk("NFS call symlink %s\n", dentry->d_name.name);
- nfs_fattr_init(&dir_attr);
- nfs_fattr_init(&fattr);
- status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
- nfs_post_op_update_inode(dir, &dir_attr);
- if (status != 0)
+ data = nfs3_alloc_createdata();
+ if (data == NULL)
goto out;
- status = nfs_instantiate(dentry, &fhandle, &fattr);
+ data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_SYMLINK];
+ data->arg.symlink.fromfh = NFS_FH(dir);
+ data->arg.symlink.fromname = dentry->d_name.name;
+ data->arg.symlink.fromlen = dentry->d_name.len;
+ data->arg.symlink.pages = &page;
+ data->arg.symlink.pathlen = len;
+ data->arg.symlink.sattr = sattr;
+
+ status = nfs3_do_create(dir, dentry, data);
+
+ nfs3_free_createdata(data);
out:
dprintk("NFS reply symlink: %d\n", status);
return status;
static int
nfs3_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr)
{
- struct nfs_fh fhandle;
- struct nfs_fattr fattr, dir_attr;
- struct nfs3_mkdirargs arg = {
- .fh = NFS_FH(dir),
- .name = dentry->d_name.name,
- .len = dentry->d_name.len,
- .sattr = sattr
- };
- struct nfs3_diropres res = {
- .dir_attr = &dir_attr,
- .fh = &fhandle,
- .fattr = &fattr
- };
- struct rpc_message msg = {
- .rpc_proc = &nfs3_procedures[NFS3PROC_MKDIR],
- .rpc_argp = &arg,
- .rpc_resp = &res,
- };
+ struct nfs3_createdata *data;
int mode = sattr->ia_mode;
- int status;
+ int status = -ENOMEM;
dprintk("NFS call mkdir %s\n", dentry->d_name.name);
- sattr->ia_mode &= ~current->fs->umask;
+ sattr->ia_mode &= ~current_umask();
- nfs_fattr_init(&dir_attr);
- nfs_fattr_init(&fattr);
- status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
- nfs_post_op_update_inode(dir, &dir_attr);
- if (status != 0)
+ data = nfs3_alloc_createdata();
+ if (data == NULL)
goto out;
- status = nfs_instantiate(dentry, &fhandle, &fattr);
+
+ data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKDIR];
+ data->arg.mkdir.fh = NFS_FH(dir);
+ data->arg.mkdir.name = dentry->d_name.name;
+ data->arg.mkdir.len = dentry->d_name.len;
+ data->arg.mkdir.sattr = sattr;
+
+ status = nfs3_do_create(dir, dentry, data);
if (status != 0)
goto out;
+
status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode);
out:
+ nfs3_free_createdata(data);
dprintk("NFS reply mkdir: %d\n", status);
return status;
}
static int
nfs3_proc_rmdir(struct inode *dir, struct qstr *name)
{
- struct nfs_fattr dir_attr;
+ struct nfs_fattr *dir_attr;
struct nfs3_diropargs arg = {
.fh = NFS_FH(dir),
.name = name->name,
struct rpc_message msg = {
.rpc_proc = &nfs3_procedures[NFS3PROC_RMDIR],
.rpc_argp = &arg,
- .rpc_resp = &dir_attr,
};
- int status;
+ int status = -ENOMEM;
dprintk("NFS call rmdir %s\n", name->name);
- nfs_fattr_init(&dir_attr);
+ dir_attr = nfs_alloc_fattr();
+ if (dir_attr == NULL)
+ goto out;
+
+ msg.rpc_resp = dir_attr;
status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
- nfs_post_op_update_inode(dir, &dir_attr);
+ nfs_post_op_update_inode(dir, dir_attr);
+ nfs_free_fattr(dir_attr);
+out:
dprintk("NFS reply rmdir: %d\n", status);
return status;
}
u64 cookie, struct page *page, unsigned int count, int plus)
{
struct inode *dir = dentry->d_inode;
- struct nfs_fattr dir_attr;
- u32 *verf = NFS_COOKIEVERF(dir);
+ __be32 *verf = NFS_COOKIEVERF(dir);
struct nfs3_readdirargs arg = {
.fh = NFS_FH(dir),
.cookie = cookie,
.pages = &page
};
struct nfs3_readdirres res = {
- .dir_attr = &dir_attr,
.verf = verf,
.plus = plus
};
.rpc_resp = &res,
.rpc_cred = cred
};
- int status;
-
- lock_kernel();
+ int status = -ENOMEM;
if (plus)
msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS];
dprintk("NFS call readdir%s %d\n",
plus? "plus" : "", (unsigned int) cookie);
- nfs_fattr_init(&dir_attr);
+ res.dir_attr = nfs_alloc_fattr();
+ if (res.dir_attr == NULL)
+ goto out;
+
status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
- nfs_refresh_inode(dir, &dir_attr);
+
+ nfs_invalidate_atime(dir);
+ nfs_refresh_inode(dir, res.dir_attr);
+
+ nfs_free_fattr(res.dir_attr);
+out:
dprintk("NFS reply readdir: %d\n", status);
- unlock_kernel();
return status;
}
nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
dev_t rdev)
{
- struct nfs_fh fh;
- struct nfs_fattr fattr, dir_attr;
- struct nfs3_mknodargs arg = {
- .fh = NFS_FH(dir),
- .name = dentry->d_name.name,
- .len = dentry->d_name.len,
- .sattr = sattr,
- .rdev = rdev
- };
- struct nfs3_diropres res = {
- .dir_attr = &dir_attr,
- .fh = &fh,
- .fattr = &fattr
- };
- struct rpc_message msg = {
- .rpc_proc = &nfs3_procedures[NFS3PROC_MKNOD],
- .rpc_argp = &arg,
- .rpc_resp = &res,
- };
+ struct nfs3_createdata *data;
mode_t mode = sattr->ia_mode;
- int status;
-
- switch (sattr->ia_mode & S_IFMT) {
- case S_IFBLK: arg.type = NF3BLK; break;
- case S_IFCHR: arg.type = NF3CHR; break;
- case S_IFIFO: arg.type = NF3FIFO; break;
- case S_IFSOCK: arg.type = NF3SOCK; break;
- default: return -EINVAL;
- }
+ int status = -ENOMEM;
dprintk("NFS call mknod %s %u:%u\n", dentry->d_name.name,
MAJOR(rdev), MINOR(rdev));
- sattr->ia_mode &= ~current->fs->umask;
+ sattr->ia_mode &= ~current_umask();
- nfs_fattr_init(&dir_attr);
- nfs_fattr_init(&fattr);
- status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
- nfs_post_op_update_inode(dir, &dir_attr);
- if (status != 0)
+ data = nfs3_alloc_createdata();
+ if (data == NULL)
+ 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;
+ data->arg.mknod.len = dentry->d_name.len;
+ data->arg.mknod.sattr = sattr;
+ data->arg.mknod.rdev = rdev;
+
+ switch (sattr->ia_mode & S_IFMT) {
+ case S_IFBLK:
+ data->arg.mknod.type = NF3BLK;
+ break;
+ case S_IFCHR:
+ data->arg.mknod.type = NF3CHR;
+ break;
+ case S_IFIFO:
+ data->arg.mknod.type = NF3FIFO;
+ break;
+ case S_IFSOCK:
+ data->arg.mknod.type = NF3SOCK;
+ break;
+ default:
+ status = -EINVAL;
goto out;
- status = nfs_instantiate(dentry, &fh, &fattr);
+ }
+
+ status = nfs3_do_create(dir, dentry, data);
if (status != 0)
goto out;
status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode);
out:
+ nfs3_free_createdata(data);
dprintk("NFS reply mknod: %d\n", status);
return status;
}
}
static int
-nfs3_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle,
+do_proc_fsinfo(struct rpc_clnt *client, struct nfs_fh *fhandle,
struct nfs_fsinfo *info)
{
struct rpc_message msg = {
dprintk("NFS call fsinfo\n");
nfs_fattr_init(info->fattr);
- status = rpc_call_sync(server->nfs_client->cl_rpcclient, &msg, 0);
+ status = rpc_call_sync(client, &msg, 0);
dprintk("NFS reply fsinfo: %d\n", status);
return status;
}
+/*
+ * Bare-bones access to fsinfo: this is for nfs_get_root/nfs_get_sb via
+ * nfs_create_server
+ */
+static int
+nfs3_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle,
+ struct nfs_fsinfo *info)
+{
+ int status;
+
+ status = do_proc_fsinfo(server->client, fhandle, info);
+ if (status && server->nfs_client->cl_rpcclient != server->client)
+ status = do_proc_fsinfo(server->nfs_client->cl_rpcclient, fhandle, info);
+ return status;
+}
+
static int
nfs3_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle,
struct nfs_pathconf *info)
{
if (nfs3_async_handle_jukebox(task, data->inode))
return -EAGAIN;
- /* Call back common NFS readpage processing */
- if (task->tk_status >= 0)
- nfs_refresh_inode(data->inode, &data->fattr);
+
+ nfs_invalidate_atime(data->inode);
+ nfs_refresh_inode(data->inode, &data->fattr);
return 0;
}
-static void nfs3_proc_read_setup(struct nfs_read_data *data)
+static void nfs3_proc_read_setup(struct nfs_read_data *data, struct rpc_message *msg)
{
- struct rpc_message msg = {
- .rpc_proc = &nfs3_procedures[NFS3PROC_READ],
- .rpc_argp = &data->args,
- .rpc_resp = &data->res,
- .rpc_cred = data->cred,
- };
-
- rpc_call_setup(&data->task, &msg, 0);
+ msg->rpc_proc = &nfs3_procedures[NFS3PROC_READ];
}
static int nfs3_write_done(struct rpc_task *task, struct nfs_write_data *data)
if (nfs3_async_handle_jukebox(task, data->inode))
return -EAGAIN;
if (task->tk_status >= 0)
- nfs_post_op_update_inode(data->inode, data->res.fattr);
+ nfs_post_op_update_inode_force_wcc(data->inode, data->res.fattr);
return 0;
}
-static void nfs3_proc_write_setup(struct nfs_write_data *data, int how)
+static void nfs3_proc_write_setup(struct nfs_write_data *data, struct rpc_message *msg)
{
- struct rpc_message msg = {
- .rpc_proc = &nfs3_procedures[NFS3PROC_WRITE],
- .rpc_argp = &data->args,
- .rpc_resp = &data->res,
- .rpc_cred = data->cred,
- };
-
- data->args.stable = NFS_UNSTABLE;
- if (how & FLUSH_STABLE) {
- data->args.stable = NFS_FILE_SYNC;
- if (NFS_I(data->inode)->ncommit)
- data->args.stable = NFS_DATA_SYNC;
- }
-
- /* Finalize the task. */
- rpc_call_setup(&data->task, &msg, 0);
+ msg->rpc_proc = &nfs3_procedures[NFS3PROC_WRITE];
}
static int nfs3_commit_done(struct rpc_task *task, struct nfs_write_data *data)
{
if (nfs3_async_handle_jukebox(task, data->inode))
return -EAGAIN;
- if (task->tk_status >= 0)
- nfs_post_op_update_inode(data->inode, data->res.fattr);
+ nfs_refresh_inode(data->inode, data->res.fattr);
return 0;
}
-static void nfs3_proc_commit_setup(struct nfs_write_data *data, int how)
+static void nfs3_proc_commit_setup(struct nfs_write_data *data, struct rpc_message *msg)
{
- struct rpc_message msg = {
- .rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT],
- .rpc_argp = &data->args,
- .rpc_resp = &data->res,
- .rpc_cred = data->cred,
- };
-
- rpc_call_setup(&data->task, &msg, 0);
+ msg->rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT];
}
static int
nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl)
{
- return nlmclnt_proc(filp->f_dentry->d_inode, cmd, fl);
+ struct inode *inode = filp->f_path.dentry->d_inode;
+
+ return nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl);
}
const struct nfs_rpc_ops nfs_v3_clientops = {
.lookup = nfs3_proc_lookup,
.access = nfs3_proc_access,
.readlink = nfs3_proc_readlink,
- .read = nfs3_proc_read,
- .write = nfs3_proc_write,
- .commit = nfs3_proc_commit,
.create = nfs3_proc_create,
.remove = nfs3_proc_remove,
.unlink_setup = nfs3_proc_unlink_setup,
.write_done = nfs3_write_done,
.commit_setup = nfs3_proc_commit_setup,
.commit_done = nfs3_commit_done,
- .file_open = nfs_open,
- .file_release = nfs_release,
.lock = nfs3_proc_lock,
.clear_acl_cache = nfs3_forget_cached_acls,
+ .close_context = nfs_close_context,
};