aboutsummaryrefslogtreecommitdiff
path: root/fs/nfs/nfs3proc.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/nfs/nfs3proc.c')
-rw-r--r--fs/nfs/nfs3proc.c657
1 files changed, 405 insertions, 252 deletions
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index 549dbce714a..f0afa291fd5 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -7,23 +7,25 @@
*/
#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/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 error message */
+/* A wrapper to handle the EJUKEBOX error messages */
static int
nfs3_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags)
{
@@ -32,7 +34,7 @@ nfs3_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags)
res = rpc_call_sync(clnt, msg, flags);
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;
@@ -45,7 +47,8 @@ nfs3_async_handle_jukebox(struct rpc_task *task, struct inode *inode)
{
if (task->tk_status != -EJUKEBOX)
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);
@@ -63,15 +66,15 @@ do_proc_get_root(struct rpc_clnt *client, struct nfs_fh *fhandle,
};
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);
- if (!(info->fattr->valid & NFS_ATTR_FATTR)) {
+ dprintk("%s: reply fsinfo: %d\n", __func__, status);
+ 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);
- dprintk("%s: reply getattr: %d\n", __FUNCTION__, status);
+ dprintk("%s: reply getattr: %d\n", __func__, status);
}
return status;
}
@@ -96,7 +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],
@@ -129,6 +132,8 @@ nfs3_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
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)
@@ -139,16 +144,15 @@ 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 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
};
@@ -160,29 +164,30 @@ nfs3_proc_lookup(struct inode *dir, struct qstr *name,
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, &dir_attr);
+ 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);
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,
@@ -190,7 +195,7 @@ static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry)
.rpc_cred = entry->cred,
};
int mode = entry->mask;
- int status;
+ int status = -ENOMEM;
dprintk("NFS call access\n");
@@ -207,9 +212,13 @@ static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry)
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)
@@ -219,6 +228,8 @@ static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry)
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;
}
@@ -226,7 +237,7 @@ static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry)
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,
@@ -236,90 +247,133 @@ static int nfs3_proc_readlink(struct inode *inode, struct page *page,
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;
}
+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)
+{
+ struct nfs3_createdata *data;
+
+ 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_do_create(struct inode *dir, struct dentry *dentry, struct nfs3_createdata *data)
+{
+ int status;
+
+ 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, NULL);
+ return status;
+}
+
+static void nfs3_free_createdata(struct nfs3_createdata *data)
+{
+ 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)
+ int flags)
{
- 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,
- };
- mode_t mode = sattr->ia_mode;
- int status;
+ struct posix_acl *default_acl, *acl;
+ struct nfs3_createdata *data;
+ int status = -ENOMEM;
+
+ dprintk("NFS call create %pd\n", dentry);
+
+ data = nfs3_alloc_createdata();
+ if (data == NULL)
+ goto out;
- dprintk("NFS call create %s\n", dentry->d_name.name);
- arg.createmode = NFS3_CREATE_UNCHECKED;
+ 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] = cpu_to_be32(jiffies);
+ data->arg.create.verifier[1] = cpu_to_be32(current->pid);
}
- sattr->ia_mode &= ~current->fs->umask;
+ status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl);
+ if (status)
+ goto out;
-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 == -ENOTSUPP) {
- 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;
+ goto out_release_acls;
/* 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))
@@ -330,14 +384,20 @@ again:
/* 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);
- nfs_post_op_update_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_release_acls;
}
- if (status != 0)
- goto out;
- 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);
return status;
}
@@ -347,8 +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 = {
@@ -356,12 +415,17 @@ nfs3_proc_remove(struct inode *dir, struct qstr *name)
.rpc_argp = &arg,
.rpc_resp = &res,
};
- int status;
+ int status = -ENOMEM;
dprintk("NFS call remove %s\n", name->name);
- nfs_fattr_init(&res.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, &res.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;
}
@@ -372,6 +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)
{
@@ -379,71 +448,65 @@ nfs3_proc_unlink_done(struct rpc_task *task, struct inode *dir)
if (nfs3_async_handle_jukebox(task, dir))
return 0;
res = task->tk_msg.rpc_resp;
- nfs_post_op_update_inode(dir, &res->dir_attr);
+ nfs_post_op_update_inode(dir, res->dir_attr);
return 1;
}
+static void
+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(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,
- .fromlen = old_name->len,
- .tofh = NFS_FH(new_dir),
- .toname = new_name->name,
- .tolen = new_name->len
- };
- struct nfs3_renameres res = {
- .fromattr = &old_dir_attr,
- .toattr = &new_dir_attr
- };
- struct rpc_message msg = {
- .rpc_proc = &nfs3_procedures[NFS3PROC_RENAME],
- .rpc_argp = &arg,
- .rpc_resp = &res,
- };
- int status;
+nfs3_proc_rename_done(struct rpc_task *task, struct inode *old_dir,
+ struct inode *new_dir)
+{
+ struct nfs_renameres *res;
- 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);
- 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);
- dprintk("NFS reply rename: %d\n", status);
- return status;
+ if (nfs3_async_handle_jukebox(task, old_dir))
+ return 0;
+ res = task->tk_msg.rpc_resp;
+
+ nfs_post_op_update_inode(old_dir, res->old_fattr);
+ nfs_post_op_update_inode(new_dir, res->new_fattr);
+ return 1;
}
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;
}
@@ -452,40 +515,28 @@ static int
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);
+ dprintk("NFS call symlink %pd\n", dentry);
- 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;
@@ -494,42 +545,37 @@ out:
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,
- };
- int mode = sattr->ia_mode;
- int status;
+ struct posix_acl *default_acl, *acl;
+ struct nfs3_createdata *data;
+ int status = -ENOMEM;
- dprintk("NFS call mkdir %s\n", dentry->d_name.name);
+ dprintk("NFS call mkdir %pd\n", dentry);
- sattr->ia_mode &= ~current->fs->umask;
+ data = nfs3_alloc_createdata();
+ if (data == NULL)
+ goto out;
- 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)
+ status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl);
+ if (status)
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);
+ 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 mkdir: %d\n", status);
return status;
}
@@ -537,7 +583,7 @@ out:
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,
@@ -546,14 +592,19 @@ nfs3_proc_rmdir(struct inode *dir, struct qstr *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;
}
@@ -569,21 +620,19 @@ nfs3_proc_rmdir(struct inode *dir, struct qstr *name)
*/
static int
nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
- u64 cookie, struct page *page, unsigned int count, int plus)
+ u64 cookie, struct page **pages, unsigned int count, int plus)
{
struct inode *dir = dentry->d_inode;
- struct nfs_fattr dir_attr;
- __be32 *verf = NFS_COOKIEVERF(dir);
+ __be32 *verf = NFS_I(dir)->cookieverf;
struct nfs3_readdirargs arg = {
.fh = NFS_FH(dir),
.cookie = cookie,
.verf = {verf[0], verf[1]},
.plus = plus,
.count = count,
- .pages = &page
+ .pages = pages
};
struct nfs3_readdirres res = {
- .dir_attr = &dir_attr,
.verf = verf,
.plus = plus
};
@@ -593,7 +642,7 @@ nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
.rpc_resp = &res,
.rpc_cred = cred
};
- int status;
+ int status = -ENOMEM;
if (plus)
msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS];
@@ -601,13 +650,19 @@ nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
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_invalidate_atime(dir);
+ nfs_refresh_inode(dir, res.dir_attr);
- nfs_refresh_inode(dir, &dir_attr);
- dprintk("NFS reply readdir: %d\n", status);
+ nfs_free_fattr(res.dir_attr);
+out:
+ dprintk("NFS reply readdir%s: %d\n",
+ plus? "plus" : "", status);
return status;
}
@@ -615,52 +670,57 @@ static int
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,
- };
- mode_t mode = sattr->ia_mode;
- int status;
+ struct posix_acl *default_acl, *acl;
+ struct nfs3_createdata *data;
+ int status = -ENOMEM;
- 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;
- }
-
- 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->fs->umask;
+ data = nfs3_alloc_createdata();
+ if (data == NULL)
+ goto out;
- 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)
+ status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl);
+ if (status)
goto out;
- status = nfs_instantiate(dentry, &fh, &fattr);
- if (status != 0)
+
+ 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 = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode);
+ }
+
+ status = nfs3_do_create(dir, dentry, data);
+ if (status != 0)
+ 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);
return status;
}
@@ -679,12 +739,12 @@ nfs3_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle,
dprintk("NFS call fsstat\n");
nfs_fattr_init(stat->fattr);
status = rpc_call_sync(server->client, &msg, 0);
- dprintk("NFS reply statfs: %d\n", status);
+ dprintk("NFS reply fsstat: %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 = {
@@ -696,11 +756,27 @@ nfs3_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle,
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)
@@ -719,36 +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;
@@ -756,7 +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];
}
@@ -764,17 +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,
@@ -783,8 +925,11 @@ 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,
.mkdir = nfs3_proc_mkdir,
@@ -795,14 +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,
- .file_open = nfs_open,
- .file_release = nfs_release,
.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,
};
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 01:59:08 +0000