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Diffstat (limited to 'fs/nfs/nfs4proc.c')
-rw-r--r--fs/nfs/nfs4proc.c94
1 files changed, 61 insertions, 33 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index bcf60f15213..004de208155 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -77,11 +77,12 @@ static int _nfs4_recover_proc_open(struct nfs4_opendata *data);
static int nfs4_do_fsinfo(struct nfs_server *, struct nfs_fh *, struct nfs_fsinfo *);
static int nfs4_async_handle_error(struct rpc_task *, const struct nfs_server *, struct nfs4_state *);
static void nfs_fixup_referral_attributes(struct nfs_fattr *fattr);
-static int nfs4_proc_getattr(struct nfs_server *, struct nfs_fh *, struct nfs_fattr *);
-static int _nfs4_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, struct nfs_fattr *fattr);
+static int nfs4_proc_getattr(struct nfs_server *, struct nfs_fh *, struct nfs_fattr *, struct nfs4_label *label);
+static int _nfs4_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, struct nfs_fattr *fattr, struct nfs4_label *label);
static int nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred,
struct nfs_fattr *fattr, struct iattr *sattr,
- struct nfs4_state *state);
+ struct nfs4_state *state, struct nfs4_label *ilabel,
+ struct nfs4_label *olabel);
#ifdef CONFIG_NFS_V4_1
static int nfs41_test_stateid(struct nfs_server *, nfs4_stateid *);
static int nfs41_free_stateid(struct nfs_server *, nfs4_stateid *);
@@ -762,6 +763,7 @@ struct nfs4_opendata {
struct nfs4_string owner_name;
struct nfs4_string group_name;
struct nfs_fattr f_attr;
+ struct nfs4_label *f_label;
struct dentry *dir;
struct dentry *dentry;
struct nfs4_state_owner *owner;
@@ -807,6 +809,7 @@ nfs4_map_atomic_open_claim(struct nfs_server *server,
static void nfs4_init_opendata_res(struct nfs4_opendata *p)
{
p->o_res.f_attr = &p->f_attr;
+ p->o_res.f_label = p->f_label;
p->o_res.seqid = p->o_arg.seqid;
p->c_res.seqid = p->c_arg.seqid;
p->o_res.server = p->o_arg.server;
@@ -818,6 +821,7 @@ static void nfs4_init_opendata_res(struct nfs4_opendata *p)
static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry,
struct nfs4_state_owner *sp, fmode_t fmode, int flags,
const struct iattr *attrs,
+ struct nfs4_label *label,
enum open_claim_type4 claim,
gfp_t gfp_mask)
{
@@ -854,6 +858,7 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry,
p->o_arg.server = server;
p->o_arg.bitmask = server->attr_bitmask;
p->o_arg.open_bitmap = &nfs4_fattr_bitmap[0];
+ p->o_arg.label = label;
p->o_arg.claim = nfs4_map_atomic_open_claim(server, claim);
switch (p->o_arg.claim) {
case NFS4_OPEN_CLAIM_NULL:
@@ -1205,7 +1210,7 @@ _nfs4_opendata_to_nfs4_state(struct nfs4_opendata *data)
ret = -EAGAIN;
if (!(data->f_attr.valid & NFS_ATTR_FATTR))
goto err;
- inode = nfs_fhget(data->dir->d_sb, &data->o_res.fh, &data->f_attr);
+ inode = nfs_fhget(data->dir->d_sb, &data->o_res.fh, &data->f_attr, data->f_label);
ret = PTR_ERR(inode);
if (IS_ERR(inode))
goto err;
@@ -1258,7 +1263,7 @@ static struct nfs4_opendata *nfs4_open_recoverdata_alloc(struct nfs_open_context
struct nfs4_opendata *opendata;
opendata = nfs4_opendata_alloc(ctx->dentry, state->owner, 0, 0,
- NULL, claim, GFP_NOFS);
+ NULL, NULL, claim, GFP_NOFS);
if (opendata == NULL)
return ERR_PTR(-ENOMEM);
opendata->state = state;
@@ -1784,7 +1789,7 @@ static int _nfs4_proc_open(struct nfs4_opendata *data)
return status;
}
if (!(o_res->f_attr->valid & NFS_ATTR_FATTR))
- _nfs4_proc_getattr(server, &o_res->fh, o_res->f_attr);
+ _nfs4_proc_getattr(server, &o_res->fh, o_res->f_attr, o_res->f_label);
return 0;
}
@@ -1982,6 +1987,7 @@ static int _nfs4_do_open(struct inode *dir,
fmode_t fmode,
int flags,
struct iattr *sattr,
+ struct nfs4_label *label,
struct rpc_cred *cred,
struct nfs4_state **res,
struct nfs4_threshold **ctx_th)
@@ -1991,6 +1997,7 @@ static int _nfs4_do_open(struct inode *dir,
struct nfs_server *server = NFS_SERVER(dir);
struct nfs4_opendata *opendata;
enum open_claim_type4 claim = NFS4_OPEN_CLAIM_NULL;
+ struct nfs4_label *olabel = NULL;
int status;
/* Protect against reboot recovery conflicts */
@@ -2009,7 +2016,7 @@ static int _nfs4_do_open(struct inode *dir,
if (dentry->d_inode)
claim = NFS4_OPEN_CLAIM_FH;
opendata = nfs4_opendata_alloc(dentry, sp, fmode, flags, sattr,
- claim, GFP_KERNEL);
+ label, claim, GFP_KERNEL);
if (opendata == NULL)
goto err_put_state_owner;
@@ -2033,10 +2040,11 @@ static int _nfs4_do_open(struct inode *dir,
nfs_fattr_init(opendata->o_res.f_attr);
status = nfs4_do_setattr(state->inode, cred,
opendata->o_res.f_attr, sattr,
- state);
- if (status == 0)
+ state, label, olabel);
+ if (status == 0) {
nfs_setattr_update_inode(state->inode, sattr);
- nfs_post_op_update_inode(state->inode, opendata->o_res.f_attr);
+ nfs_post_op_update_inode(state->inode, opendata->o_res.f_attr);
+ }
}
if (pnfs_use_threshold(ctx_th, opendata->f_attr.mdsthreshold, server))
@@ -2065,6 +2073,7 @@ static struct nfs4_state *nfs4_do_open(struct inode *dir,
fmode_t fmode,
int flags,
struct iattr *sattr,
+ struct nfs4_label *label,
struct rpc_cred *cred,
struct nfs4_threshold **ctx_th)
{
@@ -2075,7 +2084,7 @@ static struct nfs4_state *nfs4_do_open(struct inode *dir,
fmode &= FMODE_READ|FMODE_WRITE|FMODE_EXEC;
do {
- status = _nfs4_do_open(dir, dentry, fmode, flags, sattr, cred,
+ status = _nfs4_do_open(dir, dentry, fmode, flags, sattr, label, cred,
&res, ctx_th);
if (status == 0)
break;
@@ -2122,7 +2131,8 @@ static struct nfs4_state *nfs4_do_open(struct inode *dir,
static int _nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred,
struct nfs_fattr *fattr, struct iattr *sattr,
- struct nfs4_state *state)
+ struct nfs4_state *state, struct nfs4_label *ilabel,
+ struct nfs4_label *olabel)
{
struct nfs_server *server = NFS_SERVER(inode);
struct nfs_setattrargs arg = {
@@ -2130,9 +2140,11 @@ static int _nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred,
.iap = sattr,
.server = server,
.bitmask = server->attr_bitmask,
+ .label = ilabel,
};
struct nfs_setattrres res = {
.fattr = fattr,
+ .label = olabel,
.server = server,
};
struct rpc_message msg = {
@@ -2172,7 +2184,8 @@ static int _nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred,
static int nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred,
struct nfs_fattr *fattr, struct iattr *sattr,
- struct nfs4_state *state)
+ struct nfs4_state *state, struct nfs4_label *ilabel,
+ struct nfs4_label *olabel)
{
struct nfs_server *server = NFS_SERVER(inode);
struct nfs4_exception exception = {
@@ -2181,7 +2194,7 @@ static int nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred,
};
int err;
do {
- err = _nfs4_do_setattr(inode, cred, fattr, sattr, state);
+ err = _nfs4_do_setattr(inode, cred, fattr, sattr, state, ilabel, olabel);
switch (err) {
case -NFS4ERR_OPENMODE:
if (!(sattr->ia_valid & ATTR_SIZE)) {
@@ -2426,9 +2439,10 @@ static struct inode *
nfs4_atomic_open(struct inode *dir, struct nfs_open_context *ctx, int open_flags, struct iattr *attr)
{
struct nfs4_state *state;
+ struct nfs4_label *label = NULL;
/* Protect against concurrent sillydeletes */
- state = nfs4_do_open(dir, ctx->dentry, ctx->mode, open_flags, attr,
+ state = nfs4_do_open(dir, ctx->dentry, ctx->mode, open_flags, attr, label,
ctx->cred, &ctx->mdsthreshold);
if (IS_ERR(state))
return ERR_CAST(state);
@@ -2648,6 +2662,7 @@ static int nfs4_proc_get_root(struct nfs_server *server, struct nfs_fh *mntfh,
{
int error;
struct nfs_fattr *fattr = info->fattr;
+ struct nfs4_label *label = NULL;
error = nfs4_server_capabilities(server, mntfh);
if (error < 0) {
@@ -2655,7 +2670,7 @@ static int nfs4_proc_get_root(struct nfs_server *server, struct nfs_fh *mntfh,
return error;
}
- error = nfs4_proc_getattr(server, mntfh, fattr);
+ error = nfs4_proc_getattr(server, mntfh, fattr, label);
if (error < 0) {
dprintk("nfs4_get_root: getattr error = %d\n", -error);
return error;
@@ -2711,7 +2726,8 @@ out:
return status;
}
-static int _nfs4_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, struct nfs_fattr *fattr)
+static int _nfs4_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle,
+ struct nfs_fattr *fattr, struct nfs4_label *label)
{
struct nfs4_getattr_arg args = {
.fh = fhandle,
@@ -2719,6 +2735,7 @@ static int _nfs4_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle,
};
struct nfs4_getattr_res res = {
.fattr = fattr,
+ .label = label,
.server = server,
};
struct rpc_message msg = {
@@ -2731,13 +2748,14 @@ static int _nfs4_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle,
return nfs4_call_sync(server->client, server, &msg, &args.seq_args, &res.seq_res, 0);
}
-static int nfs4_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, struct nfs_fattr *fattr)
+static int nfs4_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle,
+ struct nfs_fattr *fattr, struct nfs4_label *label)
{
struct nfs4_exception exception = { };
int err;
do {
err = nfs4_handle_exception(server,
- _nfs4_proc_getattr(server, fhandle, fattr),
+ _nfs4_proc_getattr(server, fhandle, fattr, label),
&exception);
} while (exception.retry);
return err;
@@ -2793,7 +2811,7 @@ nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
}
}
- status = nfs4_do_setattr(inode, cred, fattr, sattr, state);
+ status = nfs4_do_setattr(inode, cred, fattr, sattr, state, NULL, NULL);
if (status == 0)
nfs_setattr_update_inode(inode, sattr);
return status;
@@ -2801,7 +2819,7 @@ nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
static int _nfs4_proc_lookup(struct rpc_clnt *clnt, struct inode *dir,
const struct qstr *name, struct nfs_fh *fhandle,
- struct nfs_fattr *fattr)
+ struct nfs_fattr *fattr, struct nfs4_label *label)
{
struct nfs_server *server = NFS_SERVER(dir);
int status;
@@ -2839,13 +2857,13 @@ static void nfs_fixup_secinfo_attributes(struct nfs_fattr *fattr)
static int nfs4_proc_lookup_common(struct rpc_clnt **clnt, struct inode *dir,
struct qstr *name, struct nfs_fh *fhandle,
- struct nfs_fattr *fattr)
+ struct nfs_fattr *fattr, struct nfs4_label *label)
{
struct nfs4_exception exception = { };
struct rpc_clnt *client = *clnt;
int err;
do {
- err = _nfs4_proc_lookup(client, dir, name, fhandle, fattr);
+ err = _nfs4_proc_lookup(client, dir, name, fhandle, fattr, label);
switch (err) {
case -NFS4ERR_BADNAME:
err = -ENOENT;
@@ -2879,12 +2897,13 @@ out:
}
static int nfs4_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)
{
int status;
struct rpc_clnt *client = NFS_CLIENT(dir);
- status = nfs4_proc_lookup_common(&client, dir, name, fhandle, fattr);
+ status = nfs4_proc_lookup_common(&client, dir, name, fhandle, fattr, label);
if (client != NFS_CLIENT(dir)) {
rpc_shutdown_client(client);
nfs_fixup_secinfo_attributes(fattr);
@@ -2899,7 +2918,7 @@ nfs4_proc_lookup_mountpoint(struct inode *dir, struct qstr *name,
int status;
struct rpc_clnt *client = rpc_clone_client(NFS_CLIENT(dir));
- status = nfs4_proc_lookup_common(&client, dir, name, fhandle, fattr);
+ status = nfs4_proc_lookup_common(&client, dir, name, fhandle, fattr, NULL);
if (status < 0) {
rpc_shutdown_client(client);
return ERR_PTR(status);
@@ -3029,6 +3048,7 @@ static int
nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
int flags)
{
+ struct nfs4_label *ilabel = NULL;
struct nfs_open_context *ctx;
struct nfs4_state *state;
int status = 0;
@@ -3039,7 +3059,7 @@ nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
sattr->ia_mode &= ~current_umask();
state = nfs4_do_open(dir, dentry, ctx->mode,
- flags, sattr, ctx->cred,
+ flags, sattr, ilabel, ctx->cred,
&ctx->mdsthreshold);
d_drop(dentry);
if (IS_ERR(state)) {
@@ -3207,6 +3227,7 @@ static int _nfs4_proc_link(struct inode *inode, struct inode *dir, struct qstr *
};
struct nfs4_link_res res = {
.server = server,
+ .label = NULL,
};
struct rpc_message msg = {
.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_LINK],
@@ -3247,6 +3268,7 @@ struct nfs4_createdata {
struct nfs4_create_res res;
struct nfs_fh fh;
struct nfs_fattr fattr;
+ struct nfs4_label *label;
};
static struct nfs4_createdata *nfs4_alloc_createdata(struct inode *dir,
@@ -3270,6 +3292,7 @@ static struct nfs4_createdata *nfs4_alloc_createdata(struct inode *dir,
data->res.server = server;
data->res.fh = &data->fh;
data->res.fattr = &data->fattr;
+ data->res.label = data->label;
nfs_fattr_init(data->res.fattr);
}
return data;
@@ -3281,7 +3304,7 @@ static int nfs4_do_create(struct inode *dir, struct dentry *dentry, struct nfs4_
&data->arg.seq_args, &data->res.seq_res, 1);
if (status == 0) {
update_changeattr(dir, &data->res.dir_cinfo);
- status = nfs_instantiate(dentry, data->res.fh, data->res.fattr);
+ status = nfs_instantiate(dentry, data->res.fh, data->res.fattr, data->res.label);
}
return status;
}
@@ -3292,7 +3315,8 @@ static void nfs4_free_createdata(struct nfs4_createdata *data)
}
static int _nfs4_proc_symlink(struct inode *dir, struct dentry *dentry,
- struct page *page, unsigned int len, struct iattr *sattr)
+ struct page *page, unsigned int len, struct iattr *sattr,
+ struct nfs4_label *label)
{
struct nfs4_createdata *data;
int status = -ENAMETOOLONG;
@@ -3308,6 +3332,7 @@ static int _nfs4_proc_symlink(struct inode *dir, struct dentry *dentry,
data->msg.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_SYMLINK];
data->arg.u.symlink.pages = &page;
data->arg.u.symlink.len = len;
+ data->arg.label = label;
status = nfs4_do_create(dir, dentry, data);
@@ -3320,18 +3345,19 @@ static int nfs4_proc_symlink(struct inode *dir, struct dentry *dentry,
struct page *page, unsigned int len, struct iattr *sattr)
{
struct nfs4_exception exception = { };
+ struct nfs4_label *label = NULL;
int err;
do {
err = nfs4_handle_exception(NFS_SERVER(dir),
_nfs4_proc_symlink(dir, dentry, page,
- len, sattr),
+ len, sattr, label),
&exception);
} while (exception.retry);
return err;
}
static int _nfs4_proc_mkdir(struct inode *dir, struct dentry *dentry,
- struct iattr *sattr)
+ struct iattr *sattr, struct nfs4_label *label)
{
struct nfs4_createdata *data;
int status = -ENOMEM;
@@ -3340,6 +3366,7 @@ static int _nfs4_proc_mkdir(struct inode *dir, struct dentry *dentry,
if (data == NULL)
goto out;
+ data->arg.label = label;
status = nfs4_do_create(dir, dentry, data);
nfs4_free_createdata(data);
@@ -3351,12 +3378,13 @@ static int nfs4_proc_mkdir(struct inode *dir, struct dentry *dentry,
struct iattr *sattr)
{
struct nfs4_exception exception = { };
+ struct nfs4_label *label = NULL;
int err;
sattr->ia_mode &= ~current_umask();
do {
err = nfs4_handle_exception(NFS_SERVER(dir),
- _nfs4_proc_mkdir(dir, dentry, sattr),
+ _nfs4_proc_mkdir(dir, dentry, sattr, label),
&exception);
} while (exception.retry);
return err;
@@ -3441,7 +3469,7 @@ static int _nfs4_proc_mknod(struct inode *dir, struct dentry *dentry,
status = -EINVAL;
goto out_free;
}
-
+
status = nfs4_do_create(dir, dentry, data);
out_free:
nfs4_free_createdata(data);