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-rw-r--r--fs/nfs/callback.c11
-rw-r--r--fs/nfs/callback_xdr.c8
-rw-r--r--fs/nfs/client.c3
-rw-r--r--fs/nfs/dir.c314
-rw-r--r--fs/nfs/direct.c15
-rw-r--r--fs/nfs/getroot.c2
-rw-r--r--fs/nfs/idmap.c13
-rw-r--r--fs/nfs/inode.c2
-rw-r--r--fs/nfs/nfs3proc.c2
-rw-r--r--fs/nfs/nfs4_fs.h2
-rw-r--r--fs/nfs/nfs4proc.c79
-rw-r--r--fs/nfs/nfs4state.c22
-rw-r--r--fs/nfs/nfs4xdr.c15
-rw-r--r--fs/nfs/objlayout/objio_osd.c25
-rw-r--r--fs/nfs/pnfs.c13
-rw-r--r--fs/nfs/pnfs.h2
-rw-r--r--fs/nfs/proc.c4
-rw-r--r--fs/nfs/super.c7
-rw-r--r--fs/nfs/write.c7
19 files changed, 260 insertions, 286 deletions
diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
index 970659daa32..23ff18fe080 100644
--- a/fs/nfs/callback.c
+++ b/fs/nfs/callback.c
@@ -17,7 +17,6 @@
#include <linux/kthread.h>
#include <linux/sunrpc/svcauth_gss.h>
#include <linux/sunrpc/bc_xprt.h>
-#include <linux/nsproxy.h>
#include <net/inet_sock.h>
@@ -107,7 +106,7 @@ nfs4_callback_up(struct svc_serv *serv, struct rpc_xprt *xprt)
{
int ret;
- ret = svc_create_xprt(serv, "tcp", xprt->xprt_net, PF_INET,
+ ret = svc_create_xprt(serv, "tcp", &init_net, PF_INET,
nfs_callback_set_tcpport, SVC_SOCK_ANONYMOUS);
if (ret <= 0)
goto out_err;
@@ -115,7 +114,7 @@ nfs4_callback_up(struct svc_serv *serv, struct rpc_xprt *xprt)
dprintk("NFS: Callback listener port = %u (af %u)\n",
nfs_callback_tcpport, PF_INET);
- ret = svc_create_xprt(serv, "tcp", xprt->xprt_net, PF_INET6,
+ ret = svc_create_xprt(serv, "tcp", &init_net, PF_INET6,
nfs_callback_set_tcpport, SVC_SOCK_ANONYMOUS);
if (ret > 0) {
nfs_callback_tcpport6 = ret;
@@ -184,7 +183,7 @@ nfs41_callback_up(struct svc_serv *serv, struct rpc_xprt *xprt)
* fore channel connection.
* Returns the input port (0) and sets the svc_serv bc_xprt on success
*/
- ret = svc_create_xprt(serv, "tcp-bc", xprt->xprt_net, PF_INET, 0,
+ ret = svc_create_xprt(serv, "tcp-bc", &init_net, PF_INET, 0,
SVC_SOCK_ANONYMOUS);
if (ret < 0) {
rqstp = ERR_PTR(ret);
@@ -254,7 +253,7 @@ int nfs_callback_up(u32 minorversion, struct rpc_xprt *xprt)
char svc_name[12];
int ret = 0;
int minorversion_setup;
- struct net *net = current->nsproxy->net_ns;
+ struct net *net = &init_net;
mutex_lock(&nfs_callback_mutex);
if (cb_info->users++ || cb_info->task != NULL) {
@@ -330,7 +329,7 @@ void nfs_callback_down(int minorversion)
cb_info->users--;
if (cb_info->users == 0 && cb_info->task != NULL) {
kthread_stop(cb_info->task);
- svc_shutdown_net(cb_info->serv, current->nsproxy->net_ns);
+ svc_shutdown_net(cb_info->serv, &init_net);
svc_exit_thread(cb_info->rqst);
cb_info->serv = NULL;
cb_info->rqst = NULL;
diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c
index 95bfc243992..e64b01d2a33 100644
--- a/fs/nfs/callback_xdr.c
+++ b/fs/nfs/callback_xdr.c
@@ -455,9 +455,9 @@ static __be32 decode_cb_sequence_args(struct svc_rqst *rqstp,
args->csa_nrclists = ntohl(*p++);
args->csa_rclists = NULL;
if (args->csa_nrclists) {
- args->csa_rclists = kmalloc(args->csa_nrclists *
- sizeof(*args->csa_rclists),
- GFP_KERNEL);
+ args->csa_rclists = kmalloc_array(args->csa_nrclists,
+ sizeof(*args->csa_rclists),
+ GFP_KERNEL);
if (unlikely(args->csa_rclists == NULL))
goto out;
@@ -696,7 +696,7 @@ static __be32 encode_cb_sequence_res(struct svc_rqst *rqstp,
const struct cb_sequenceres *res)
{
__be32 *p;
- unsigned status = res->csr_status;
+ __be32 status = res->csr_status;
if (unlikely(status != 0))
goto out;
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 7d108753af8..f005b5bebdc 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -207,7 +207,6 @@ error_0:
static void nfs4_shutdown_session(struct nfs_client *clp)
{
if (nfs4_has_session(clp)) {
- nfs4_deviceid_purge_client(clp);
nfs4_destroy_session(clp->cl_session);
nfs4_destroy_clientid(clp);
}
@@ -544,8 +543,6 @@ nfs_found_client(const struct nfs_client_initdata *cl_init,
smp_rmb();
- BUG_ON(clp->cl_cons_state != NFS_CS_READY);
-
dprintk("<-- %s found nfs_client %p for %s\n",
__func__, clp, cl_init->hostname ?: "");
return clp;
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index f430057ff3b..a6b1c7fb823 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -46,8 +46,8 @@
static int nfs_opendir(struct inode *, struct file *);
static int nfs_closedir(struct inode *, struct file *);
static int nfs_readdir(struct file *, void *, filldir_t);
-static struct dentry *nfs_lookup(struct inode *, struct dentry *, struct nameidata *);
-static int nfs_create(struct inode *, struct dentry *, umode_t, struct nameidata *);
+static struct dentry *nfs_lookup(struct inode *, struct dentry *, unsigned int);
+static int nfs_create(struct inode *, struct dentry *, umode_t, bool);
static int nfs_mkdir(struct inode *, struct dentry *, umode_t);
static int nfs_rmdir(struct inode *, struct dentry *);
static int nfs_unlink(struct inode *, struct dentry *);
@@ -111,11 +111,13 @@ const struct inode_operations nfs3_dir_inode_operations = {
#ifdef CONFIG_NFS_V4
-static struct dentry *nfs_atomic_lookup(struct inode *, struct dentry *, struct nameidata *);
-static int nfs_open_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd);
+static int nfs_atomic_open(struct inode *, struct dentry *,
+ struct file *, unsigned, umode_t,
+ int *);
const struct inode_operations nfs4_dir_inode_operations = {
- .create = nfs_open_create,
- .lookup = nfs_atomic_lookup,
+ .create = nfs_create,
+ .lookup = nfs_lookup,
+ .atomic_open = nfs_atomic_open,
.link = nfs_link,
.unlink = nfs_unlink,
.symlink = nfs_symlink,
@@ -1029,27 +1031,14 @@ static int nfs_check_verifier(struct inode *dir, struct dentry *dentry)
}
/*
- * Return the intent data that applies to this particular path component
- *
- * Note that the current set of intents only apply to the very last
- * component of the path and none of them is set before that last
- * component.
- */
-static inline unsigned int nfs_lookup_check_intent(struct nameidata *nd,
- unsigned int mask)
-{
- return nd->flags & mask;
-}
-
-/*
* Use intent information to check whether or not we're going to do
* an O_EXCL create using this path component.
*/
-static int nfs_is_exclusive_create(struct inode *dir, struct nameidata *nd)
+static int nfs_is_exclusive_create(struct inode *dir, unsigned int flags)
{
if (NFS_PROTO(dir)->version == 2)
return 0;
- return nd && nfs_lookup_check_intent(nd, LOOKUP_EXCL);
+ return flags & LOOKUP_EXCL;
}
/*
@@ -1061,25 +1050,20 @@ static int nfs_is_exclusive_create(struct inode *dir, struct nameidata *nd)
*
*/
static inline
-int nfs_lookup_verify_inode(struct inode *inode, struct nameidata *nd)
+int nfs_lookup_verify_inode(struct inode *inode, unsigned int flags)
{
struct nfs_server *server = NFS_SERVER(inode);
if (IS_AUTOMOUNT(inode))
return 0;
- if (nd != NULL) {
- /* VFS wants an on-the-wire revalidation */
- if (nd->flags & LOOKUP_REVAL)
- goto out_force;
- /* This is an open(2) */
- if (nfs_lookup_check_intent(nd, LOOKUP_OPEN) != 0 &&
- !(server->flags & NFS_MOUNT_NOCTO) &&
- (S_ISREG(inode->i_mode) ||
- S_ISDIR(inode->i_mode)))
- goto out_force;
- return 0;
- }
- return nfs_revalidate_inode(server, inode);
+ /* VFS wants an on-the-wire revalidation */
+ if (flags & LOOKUP_REVAL)
+ goto out_force;
+ /* This is an open(2) */
+ if ((flags & LOOKUP_OPEN) && !(server->flags & NFS_MOUNT_NOCTO) &&
+ (S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode)))
+ goto out_force;
+ return 0;
out_force:
return __nfs_revalidate_inode(server, inode);
}
@@ -1093,10 +1077,10 @@ out_force:
*/
static inline
int nfs_neg_need_reval(struct inode *dir, struct dentry *dentry,
- struct nameidata *nd)
+ unsigned int flags)
{
/* Don't revalidate a negative dentry if we're creating a new file */
- if (nd != NULL && nfs_lookup_check_intent(nd, LOOKUP_CREATE) != 0)
+ if (flags & LOOKUP_CREATE)
return 0;
if (NFS_SERVER(dir)->flags & NFS_MOUNT_LOOKUP_CACHE_NONEG)
return 1;
@@ -1114,7 +1098,7 @@ int nfs_neg_need_reval(struct inode *dir, struct dentry *dentry,
* If the parent directory is seen to have changed, we throw out the
* cached dentry and do a new lookup.
*/
-static int nfs_lookup_revalidate(struct dentry *dentry, struct nameidata *nd)
+static int nfs_lookup_revalidate(struct dentry *dentry, unsigned int flags)
{
struct inode *dir;
struct inode *inode;
@@ -1123,7 +1107,7 @@ static int nfs_lookup_revalidate(struct dentry *dentry, struct nameidata *nd)
struct nfs_fattr *fattr = NULL;
int error;
- if (nd->flags & LOOKUP_RCU)
+ if (flags & LOOKUP_RCU)
return -ECHILD;
parent = dget_parent(dentry);
@@ -1132,7 +1116,7 @@ static int nfs_lookup_revalidate(struct dentry *dentry, struct nameidata *nd)
inode = dentry->d_inode;
if (!inode) {
- if (nfs_neg_need_reval(dir, dentry, nd))
+ if (nfs_neg_need_reval(dir, dentry, flags))
goto out_bad;
goto out_valid_noent;
}
@@ -1148,8 +1132,8 @@ static int nfs_lookup_revalidate(struct dentry *dentry, struct nameidata *nd)
goto out_set_verifier;
/* Force a full look up iff the parent directory has changed */
- if (!nfs_is_exclusive_create(dir, nd) && nfs_check_verifier(dir, dentry)) {
- if (nfs_lookup_verify_inode(inode, nd))
+ if (!nfs_is_exclusive_create(dir, flags) && nfs_check_verifier(dir, dentry)) {
+ if (nfs_lookup_verify_inode(inode, flags))
goto out_zap_parent;
goto out_valid;
}
@@ -1286,7 +1270,7 @@ const struct dentry_operations nfs_dentry_operations = {
.d_release = nfs_d_release,
};
-static struct dentry *nfs_lookup(struct inode *dir, struct dentry * dentry, struct nameidata *nd)
+static struct dentry *nfs_lookup(struct inode *dir, struct dentry * dentry, unsigned int flags)
{
struct dentry *res;
struct dentry *parent;
@@ -1307,7 +1291,7 @@ static struct dentry *nfs_lookup(struct inode *dir, struct dentry * dentry, stru
* If we're doing an exclusive create, optimize away the lookup
* but don't hash the dentry.
*/
- if (nfs_is_exclusive_create(dir, nd)) {
+ if (nfs_is_exclusive_create(dir, flags)) {
d_instantiate(dentry, NULL);
res = NULL;
goto out;
@@ -1354,7 +1338,7 @@ out:
}
#ifdef CONFIG_NFS_V4
-static int nfs4_lookup_revalidate(struct dentry *, struct nameidata *);
+static int nfs4_lookup_revalidate(struct dentry *, unsigned int);
const struct dentry_operations nfs4_dentry_operations = {
.d_revalidate = nfs4_lookup_revalidate,
@@ -1364,24 +1348,6 @@ const struct dentry_operations nfs4_dentry_operations = {
.d_release = nfs_d_release,
};
-/*
- * Use intent information to determine whether we need to substitute
- * the NFSv4-style stateful OPEN for the LOOKUP call
- */
-static int is_atomic_open(struct nameidata *nd)
-{
- if (nd == NULL || nfs_lookup_check_intent(nd, LOOKUP_OPEN) == 0)
- return 0;
- /* NFS does not (yet) have a stateful open for directories */
- if (nd->flags & LOOKUP_DIRECTORY)
- return 0;
- /* Are we trying to write to a read only partition? */
- if (__mnt_is_readonly(nd->path.mnt) &&
- (nd->intent.open.flags & (O_CREAT|O_TRUNC|O_ACCMODE)))
- return 0;
- return 1;
-}
-
static fmode_t flags_to_mode(int flags)
{
fmode_t res = (__force fmode_t)flags & FMODE_EXEC;
@@ -1403,136 +1369,143 @@ static int do_open(struct inode *inode, struct file *filp)
return 0;
}
-static int nfs_intent_set_file(struct nameidata *nd, struct nfs_open_context *ctx)
+static int nfs_finish_open(struct nfs_open_context *ctx,
+ struct dentry *dentry,
+ struct file *file, unsigned open_flags,
+ int *opened)
{
- struct file *filp;
- int ret = 0;
+ int err;
+
+ if (ctx->dentry != dentry) {
+ dput(ctx->dentry);
+ ctx->dentry = dget(dentry);
+ }
/* If the open_intent is for execute, we have an extra check to make */
if (ctx->mode & FMODE_EXEC) {
- ret = nfs_may_open(ctx->dentry->d_inode,
- ctx->cred,
- nd->intent.open.flags);
- if (ret < 0)
+ err = nfs_may_open(dentry->d_inode, ctx->cred, open_flags);
+ if (err < 0)
goto out;
}
- filp = lookup_instantiate_filp(nd, ctx->dentry, do_open);
- if (IS_ERR(filp))
- ret = PTR_ERR(filp);
- else
- nfs_file_set_open_context(filp, ctx);
+
+ err = finish_open(file, dentry, do_open, opened);
+ if (err)
+ goto out;
+ nfs_file_set_open_context(file, ctx);
+
out:
put_nfs_open_context(ctx);
- return ret;
+ return err;
}
-static struct dentry *nfs_atomic_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
+static int nfs_atomic_open(struct inode *dir, struct dentry *dentry,
+ struct file *file, unsigned open_flags,
+ umode_t mode, int *opened)
{
struct nfs_open_context *ctx;
- struct iattr attr;
- struct dentry *res = NULL;
+ struct dentry *res;
+ struct iattr attr = { .ia_valid = ATTR_OPEN };
struct inode *inode;
- int open_flags;
int err;
- dfprintk(VFS, "NFS: atomic_lookup(%s/%ld), %s\n",
+ /* Expect a negative dentry */
+ BUG_ON(dentry->d_inode);
+
+ dfprintk(VFS, "NFS: atomic_open(%s/%ld), %s\n",
dir->i_sb->s_id, dir->i_ino, dentry->d_name.name);
- /* Check that we are indeed trying to open this file */
- if (!is_atomic_open(nd))
+ /* NFS only supports OPEN on regular files */
+ if ((open_flags & O_DIRECTORY)) {
+ if (!d_unhashed(dentry)) {
+ /*
+ * Hashed negative dentry with O_DIRECTORY: dentry was
+ * revalidated and is fine, no need to perform lookup
+ * again
+ */
+ return -ENOENT;
+ }
goto no_open;
-
- if (dentry->d_name.len > NFS_SERVER(dir)->namelen) {
- res = ERR_PTR(-ENAMETOOLONG);
- goto out;
- }
-
- /* Let vfs_create() deal with O_EXCL. Instantiate, but don't hash
- * the dentry. */
- if (nd->flags & LOOKUP_EXCL) {
- d_instantiate(dentry, NULL);
- goto out;
}
- open_flags = nd->intent.open.flags;
- attr.ia_valid = ATTR_OPEN;
-
- ctx = create_nfs_open_context(dentry, open_flags);
- res = ERR_CAST(ctx);
- if (IS_ERR(ctx))
- goto out;
+ if (dentry->d_name.len > NFS_SERVER(dir)->namelen)
+ return -ENAMETOOLONG;
- if (nd->flags & LOOKUP_CREATE) {
- attr.ia_mode = nd->intent.open.create_mode;
+ if (open_flags & O_CREAT) {
attr.ia_valid |= ATTR_MODE;
- attr.ia_mode &= ~current_umask();
- } else
- open_flags &= ~(O_EXCL | O_CREAT);
-
+ attr.ia_mode = mode & ~current_umask();
+ }
if (open_flags & O_TRUNC) {
attr.ia_valid |= ATTR_SIZE;
attr.ia_size = 0;
}
- /* Open the file on the server */
+ ctx = create_nfs_open_context(dentry, open_flags);
+ err = PTR_ERR(ctx);
+ if (IS_ERR(ctx))
+ goto out;
+
nfs_block_sillyrename(dentry->d_parent);
inode = NFS_PROTO(dir)->open_context(dir, ctx, open_flags, &attr);
+ d_drop(dentry);
if (IS_ERR(inode)) {
nfs_unblock_sillyrename(dentry->d_parent);
put_nfs_open_context(ctx);
- switch (PTR_ERR(inode)) {
- /* Make a negative dentry */
- case -ENOENT:
- d_add(dentry, NULL);
- res = NULL;
- goto out;
- /* This turned out not to be a regular file */
- case -EISDIR:
- case -ENOTDIR:
+ err = PTR_ERR(inode);
+ switch (err) {
+ case -ENOENT:
+ d_add(dentry, NULL);
+ break;
+ case -EISDIR:
+ case -ENOTDIR:
+ goto no_open;
+ case -ELOOP:
+ if (!(open_flags & O_NOFOLLOW))
goto no_open;
- case -ELOOP:
- if (!(nd->intent.open.flags & O_NOFOLLOW))
- goto no_open;
+ break;
/* case -EINVAL: */
- default:
- res = ERR_CAST(inode);
- goto out;
+ default:
+ break;
}
+ goto out;
}
res = d_add_unique(dentry, inode);
- nfs_unblock_sillyrename(dentry->d_parent);
- if (res != NULL) {
- dput(ctx->dentry);
- ctx->dentry = dget(res);
+ if (res != NULL)
dentry = res;
- }
- err = nfs_intent_set_file(nd, ctx);
- if (err < 0) {
- if (res != NULL)
- dput(res);
- return ERR_PTR(err);
- }
-out:
+
+ nfs_unblock_sillyrename(dentry->d_parent);
nfs_set_verifier(dentry, nfs_save_change_attribute(dir));
- return res;
+
+ err = nfs_finish_open(ctx, dentry, file, open_flags, opened);
+
+ dput(res);
+out:
+ return err;
+
no_open:
- return nfs_lookup(dir, dentry, nd);
+ res = nfs_lookup(dir, dentry, 0);
+ err = PTR_ERR(res);
+ if (IS_ERR(res))
+ goto out;
+
+ return finish_no_open(file, res);
}
-static int nfs4_lookup_revalidate(struct dentry *dentry, struct nameidata *nd)
+static int nfs4_lookup_revalidate(struct dentry *dentry, unsigned int flags)
{
struct dentry *parent = NULL;
struct inode *inode;
struct inode *dir;
- int openflags, ret = 0;
+ int ret = 0;
- if (nd->flags & LOOKUP_RCU)
+ if (flags & LOOKUP_RCU)
return -ECHILD;
- inode = dentry->d_inode;
- if (!is_atomic_open(nd) || d_mountpoint(dentry))
+ if (!(flags & LOOKUP_OPEN) || (flags & LOOKUP_DIRECTORY))
+ goto no_open;
+ if (d_mountpoint(dentry))
goto no_open;
+ inode = dentry->d_inode;
parent = dget_parent(dentry);
dir = parent->d_inode;
@@ -1540,7 +1513,7 @@ static int nfs4_lookup_revalidate(struct dentry *dentry, struct nameidata *nd)
* optimize away revalidation of negative dentries.
*/
if (inode == NULL) {
- if (!nfs_neg_need_reval(dir, dentry, nd))
+ if (!nfs_neg_need_reval(dir, dentry, flags))
ret = 1;
goto out;
}
@@ -1548,9 +1521,8 @@ static int nfs4_lookup_revalidate(struct dentry *dentry, struct nameidata *nd)
/* NFS only supports OPEN on regular files */
if (!S_ISREG(inode->i_mode))
goto no_open_dput;
- openflags = nd->intent.open.flags;
/* We cannot do exclusive creation on a positive dentry */
- if ((openflags & (O_CREAT|O_EXCL)) == (O_CREAT|O_EXCL))
+ if (flags & LOOKUP_EXCL)
goto no_open_dput;
/* Let f_op->open() actually open (and revalidate) the file */
@@ -1563,48 +1535,7 @@ out:
no_open_dput:
dput(parent);
no_open:
- return nfs_lookup_revalidate(dentry, nd);
-}
-
-static int nfs_open_create(struct inode *dir, struct dentry *dentry,
- umode_t mode, struct nameidata *nd)
-{
- struct nfs_open_context *ctx = NULL;
- struct iattr attr;
- int error;
- int open_flags = O_CREAT|O_EXCL;
-
- dfprintk(VFS, "NFS: create(%s/%ld), %s\n",
- dir->i_sb->s_id, dir->i_ino, dentry->d_name.name);
-
- attr.ia_mode = mode;
- attr.ia_valid = ATTR_MODE;
-
- if (nd)
- open_flags = nd->intent.open.flags;
-
- ctx = create_nfs_open_context(dentry, open_flags);
- error = PTR_ERR(ctx);
- if (IS_ERR(ctx))
- goto out_err_drop;
-
- error = NFS_PROTO(dir)->create(dir, dentry, &attr, open_flags, ctx);
- if (error != 0)
- goto out_put_ctx;
- if (nd) {
- error = nfs_intent_set_file(nd, ctx);
- if (error < 0)
- goto out_err;
- } else {
- put_nfs_open_context(ctx);
- }
- return 0;
-out_put_ctx:
- put_nfs_open_context(ctx);
-out_err_drop:
- d_drop(dentry);
-out_err:
- return error;
+ return nfs_lookup_revalidate(dentry, flags);
}
#endif /* CONFIG_NFSV4 */
@@ -1658,11 +1589,11 @@ out_error:
* reply path made it appear to have failed.
*/
static int nfs_create(struct inode *dir, struct dentry *dentry,
- umode_t mode, struct nameidata *nd)
+ umode_t mode, bool excl)
{
struct iattr attr;
+ int open_flags = excl ? O_CREAT | O_EXCL : O_CREAT;
int error;
- int open_flags = O_CREAT|O_EXCL;
dfprintk(VFS, "NFS: create(%s/%ld), %s\n",
dir->i_sb->s_id, dir->i_ino, dentry->d_name.name);
@@ -1670,10 +1601,7 @@ static int nfs_create(struct inode *dir, struct dentry *dentry,
attr.ia_mode = mode;
attr.ia_valid = ATTR_MODE;
- if (nd)
- open_flags = nd->intent.open.flags;
-
- error = NFS_PROTO(dir)->create(dir, dentry, &attr, open_flags, NULL);
+ error = NFS_PROTO(dir)->create(dir, dentry, &attr, open_flags);
if (error != 0)
goto out_err;
return 0;
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index ad2775d3e21..48253372ab1 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -484,17 +484,22 @@ static void nfs_direct_write_reschedule(struct nfs_direct_req *dreq)
list_for_each_entry_safe(req, tmp, &reqs, wb_list) {
if (!nfs_pageio_add_request(&desc, req)) {
+ nfs_list_remove_request(req);
nfs_list_add_request(req, &failed);
spin_lock(cinfo.lock);
dreq->flags = 0;
dreq->error = -EIO;
spin_unlock(cinfo.lock);
}
+ nfs_release_request(req);
}
nfs_pageio_complete(&desc);
- while (!list_empty(&failed))
+ while (!list_empty(&failed)) {
+ req = nfs_list_entry(failed.next);
+ nfs_list_remove_request(req);
nfs_unlock_and_release_request(req);
+ }
if (put_dreq(dreq))
nfs_direct_write_complete(dreq, dreq->inode);
@@ -523,9 +528,9 @@ static void nfs_direct_commit_complete(struct nfs_commit_data *data)
nfs_list_remove_request(req);
if (dreq->flags == NFS_ODIRECT_RESCHED_WRITES) {
/* Note the rewrite will go through mds */
- kref_get(&req->wb_kref);
nfs_mark_request_commit(req, NULL, &cinfo);
- }
+ } else
+ nfs_release_request(req);
nfs_unlock_and_release_request(req);
}
@@ -716,12 +721,12 @@ static void nfs_direct_write_completion(struct nfs_pgio_header *hdr)
if (dreq->flags == NFS_ODIRECT_RESCHED_WRITES)
bit = NFS_IOHDR_NEED_RESCHED;
else if (dreq->flags == 0) {
- memcpy(&dreq->verf, &req->wb_verf,
+ memcpy(&dreq->verf, hdr->verf,
sizeof(dreq->verf));
bit = NFS_IOHDR_NEED_COMMIT;
dreq->flags = NFS_ODIRECT_DO_COMMIT;
} else if (dreq->flags == NFS_ODIRECT_DO_COMMIT) {
- if (memcmp(&dreq->verf, &req->wb_verf, sizeof(dreq->verf))) {
+ if (memcmp(&dreq->verf, hdr->verf, sizeof(dreq->verf))) {
dreq->flags = NFS_ODIRECT_RESCHED_WRITES;
bit = NFS_IOHDR_NEED_RESCHED;
} else
diff --git a/fs/nfs/getroot.c b/fs/nfs/getroot.c
index 8abfb19bd3a..a67990f90bd 100644
--- a/fs/nfs/getroot.c
+++ b/fs/nfs/getroot.c
@@ -62,7 +62,7 @@ static int nfs_superblock_set_dummy_root(struct super_block *sb, struct inode *i
*/
spin_lock(&sb->s_root->d_inode->i_lock);
spin_lock(&sb->s_root->d_lock);
- list_del_init(&sb->s_root->d_alias);
+ hlist_del_init(&sb->s_root->d_alias);
spin_unlock(&sb->s_root->d_lock);
spin_unlock(&sb->s_root->d_inode->i_lock);
}
diff --git a/fs/nfs/idmap.c b/fs/nfs/idmap.c
index b5b86a05059..864c51e4b40 100644
--- a/fs/nfs/idmap.c
+++ b/fs/nfs/idmap.c
@@ -57,6 +57,11 @@ unsigned int nfs_idmap_cache_timeout = 600;
static const struct cred *id_resolver_cache;
static struct key_type key_type_id_resolver_legacy;
+struct idmap {
+ struct rpc_pipe *idmap_pipe;
+ struct key_construction *idmap_key_cons;
+ struct mutex idmap_mutex;
+};
/**
* nfs_fattr_init_names - initialise the nfs_fattr owner_name/group_name fields
@@ -310,9 +315,11 @@ static ssize_t nfs_idmap_get_key(const char *name, size_t namelen,
name, namelen, type, data,
data_size, NULL);
if (ret < 0) {
+ mutex_lock(&idmap->idmap_mutex);
ret = nfs_idmap_request_key(&key_type_id_resolver_legacy,
name, namelen, type, data,
data_size, idmap);
+ mutex_unlock(&idmap->idmap_mutex);
}
return ret;
}
@@ -354,11 +361,6 @@ static int nfs_idmap_lookup_id(const char *name, size_t namelen, const char *typ
/* idmap classic begins here */
module_param(nfs_idmap_cache_timeout, int, 0644);
-struct idmap {
- struct rpc_pipe *idmap_pipe;
- struct key_construction *idmap_key_cons;
-};
-
enum {
Opt_find_uid, Opt_find_gid, Opt_find_user, Opt_find_group, Opt_find_err
};
@@ -469,6 +471,7 @@ nfs_idmap_new(struct nfs_client *clp)
return error;
}
idmap->idmap_pipe = pipe;
+ mutex_init(&idmap->idmap_mutex);
clp->cl_idmap = idmap;
return 0;
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index e605d695dbc..f7296983eba 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -1530,7 +1530,6 @@ static inline void nfs4_init_once(struct nfs_inode *nfsi)
nfsi->delegation_state = 0;
init_rwsem(&nfsi->rwsem);
nfsi->layout = NULL;
- atomic_set(&nfsi->commit_info.rpcs_out, 0);
#endif
}
@@ -1545,6 +1544,7 @@ static void init_once(void *foo)
INIT_LIST_HEAD(&nfsi->commit_info.list);
nfsi->npages = 0;
nfsi->commit_info.ncommit = 0;
+ atomic_set(&nfsi->commit_info.rpcs_out, 0);
atomic_set(&nfsi->silly_count, 1);
INIT_HLIST_HEAD(&nfsi->silly_list);
init_waitqueue_head(&nfsi->waitqueue);
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index 2292a0fd2bf..3187e24e8f7 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -314,7 +314,7 @@ 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 nfs3_createdata *data;
umode_t mode = sattr->ia_mode;
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index c6827f93ab5..cc5900ac61b 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -295,7 +295,7 @@ is_ds_client(struct nfs_client *clp)
extern const struct nfs4_minor_version_ops *nfs_v4_minor_ops[];
-extern const u32 nfs4_fattr_bitmap[2];
+extern const u32 nfs4_fattr_bitmap[3];
extern const u32 nfs4_statfs_bitmap[2];
extern const u32 nfs4_pathconf_bitmap[2];
extern const u32 nfs4_fsinfo_bitmap[3];
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index d48dbefa0e7..c157b2089b4 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -105,6 +105,8 @@ static int nfs4_map_errors(int err)
return -EINVAL;
case -NFS4ERR_SHARE_DENIED:
return -EACCES;
+ case -NFS4ERR_MINOR_VERS_MISMATCH:
+ return -EPROTONOSUPPORT;
default:
dprintk("%s could not handle NFSv4 error %d\n",
__func__, -err);
@@ -116,7 +118,7 @@ static int nfs4_map_errors(int err)
/*
* This is our standard bitmap for GETATTR requests.
*/
-const u32 nfs4_fattr_bitmap[2] = {
+const u32 nfs4_fattr_bitmap[3] = {
FATTR4_WORD0_TYPE
| FATTR4_WORD0_CHANGE
| FATTR4_WORD0_SIZE
@@ -133,6 +135,24 @@ const u32 nfs4_fattr_bitmap[2] = {
| FATTR4_WORD1_TIME_MODIFY
};
+static const u32 nfs4_pnfs_open_bitmap[3] = {
+ FATTR4_WORD0_TYPE
+ | FATTR4_WORD0_CHANGE
+ | FATTR4_WORD0_SIZE
+ | FATTR4_WORD0_FSID
+ | FATTR4_WORD0_FILEID,
+ FATTR4_WORD1_MODE
+ | FATTR4_WORD1_NUMLINKS
+ | FATTR4_WORD1_OWNER
+ | FATTR4_WORD1_OWNER_GROUP
+ | FATTR4_WORD1_RAWDEV
+ | FATTR4_WORD1_SPACE_USED
+ | FATTR4_WORD1_TIME_ACCESS
+ | FATTR4_WORD1_TIME_METADATA
+ | FATTR4_WORD1_TIME_MODIFY,
+ FATTR4_WORD2_MDSTHRESHOLD
+};
+
const u32 nfs4_statfs_bitmap[2] = {
FATTR4_WORD0_FILES_AVAIL
| FATTR4_WORD0_FILES_FREE
@@ -844,6 +864,7 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry,
p->o_arg.name = &dentry->d_name;
p->o_arg.server = server;
p->o_arg.bitmask = server->attr_bitmask;
+ p->o_arg.open_bitmap = &nfs4_fattr_bitmap[0];
p->o_arg.claim = NFS4_OPEN_CLAIM_NULL;
if (attrs != NULL && attrs->ia_valid != 0) {
__be32 verf[2];
@@ -1820,6 +1841,7 @@ static int _nfs4_do_open(struct inode *dir,
opendata->f_attr.mdsthreshold = pnfs_mdsthreshold_alloc();
if (!opendata->f_attr.mdsthreshold)
goto err_opendata_put;
+ opendata->o_arg.open_bitmap = &nfs4_pnfs_open_bitmap[0];
}
if (dentry->d_inode != NULL)
opendata->state = nfs4_get_open_state(dentry->d_inode, sp);
@@ -1880,6 +1902,7 @@ static struct nfs4_state *nfs4_do_open(struct inode *dir,
struct nfs4_state *res;
int status;
+ fmode &= FMODE_READ|FMODE_WRITE;
do {
status = _nfs4_do_open(dir, dentry, fmode, flags, sattr, cred,
&res, ctx_th);
@@ -2526,6 +2549,14 @@ nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
nfs_fattr_init(fattr);
+ /* Deal with open(O_TRUNC) */
+ if (sattr->ia_valid & ATTR_OPEN)
+ sattr->ia_valid &= ~(ATTR_MTIME|ATTR_CTIME|ATTR_OPEN);
+
+ /* Optimization: if the end result is no change, don't RPC */
+ if ((sattr->ia_valid & ~(ATTR_FILE)) == 0)
+ return 0;
+
/* Search for an existing open(O_WRITE) file */
if (sattr->ia_valid & ATTR_FILE) {
struct nfs_open_context *ctx;
@@ -2537,10 +2568,6 @@ nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
}
}
- /* Deal with open(O_TRUNC) */
- if (sattr->ia_valid & ATTR_OPEN)
- sattr->ia_valid &= ~(ATTR_MTIME|ATTR_CTIME|ATTR_OPEN);
-
status = nfs4_do_setattr(inode, cred, fattr, sattr, state);
if (status == 0)
nfs_setattr_update_inode(inode, sattr);
@@ -2779,37 +2806,22 @@ static int nfs4_proc_readlink(struct inode *inode, struct page *page,
}
/*
- * Got race?
- * We will need to arrange for the VFS layer to provide an atomic open.
- * Until then, this create/open method is prone to inefficiency and race
- * conditions due to the lookup, create, and open VFS calls from sys_open()
- * placed on the wire.
- *
- * Given the above sorry state of affairs, I'm simply sending an OPEN.
- * The file will be opened again in the subsequent VFS open call
- * (nfs4_proc_file_open).
- *
- * The open for read will just hang around to be used by any process that
- * opens the file O_RDONLY. This will all be resolved with the VFS changes.
+ * This is just for mknod. open(O_CREAT) will always do ->open_context().
*/
-
static int
nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
- int flags, struct nfs_open_context *ctx)
+ int flags)
{
- struct dentry *de = dentry;
+ struct nfs_open_context *ctx;
struct nfs4_state *state;
- struct rpc_cred *cred = NULL;
- fmode_t fmode = 0;
int status = 0;
- if (ctx != NULL) {
- cred = ctx->cred;
- de = ctx->dentry;
- fmode = ctx->mode;
- }
+ ctx = alloc_nfs_open_context(dentry, FMODE_READ);
+ if (IS_ERR(ctx))
+ return PTR_ERR(ctx);
+
sattr->ia_mode &= ~current_umask();
- state = nfs4_do_open(dir, de, fmode, flags, sattr, cred, NULL);
+ state = nfs4_do_open(dir, dentry, ctx->mode, flags, sattr, ctx->cred, NULL);
d_drop(dentry);
if (IS_ERR(state)) {
status = PTR_ERR(state);
@@ -2817,11 +2829,9 @@ nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
}
d_add(dentry, igrab(state->inode));
nfs_set_verifier(dentry, nfs_save_change_attribute(dir));
- if (ctx != NULL)
- ctx->state = state;
- else
- nfs4_close_sync(state, fmode);
+ ctx->state = state;
out:
+ put_nfs_open_context(ctx);
return status;
}
@@ -5275,7 +5285,7 @@ static int _nfs4_proc_destroy_clientid(struct nfs_client *clp,
status = rpc_call_sync(clp->cl_rpcclient, &msg, RPC_TASK_TIMEOUT);
if (status)
- pr_warn("NFS: Got error %d from the server %s on "
+ dprintk("NFS: Got error %d from the server %s on "
"DESTROY_CLIENTID.", status, clp->cl_hostname);
return status;
}
@@ -5746,8 +5756,7 @@ int nfs4_proc_destroy_session(struct nfs4_session *session,
status = rpc_call_sync(session->clp->cl_rpcclient, &msg, RPC_TASK_TIMEOUT);
if (status)
- printk(KERN_WARNING
- "NFS: Got error %d from the server on DESTROY_SESSION. "
+ dprintk("NFS: Got error %d from the server on DESTROY_SESSION. "
"Session has been destroyed regardless...\n", status);
dprintk("<-- nfs4_proc_destroy_session\n");
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index c679b9ecef6..f38300e9f17 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -244,6 +244,16 @@ static int nfs4_begin_drain_session(struct nfs_client *clp)
return nfs4_wait_on_slot_tbl(&ses->fc_slot_table);
}
+static void nfs41_finish_session_reset(struct nfs_client *clp)
+{
+ clear_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state);
+ clear_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state);
+ /* create_session negotiated new slot table */
+ clear_bit(NFS4CLNT_RECALL_SLOT, &clp->cl_state);
+ clear_bit(NFS4CLNT_BIND_CONN_TO_SESSION, &clp->cl_state);
+ nfs41_setup_state_renewal(clp);
+}
+
int nfs41_init_clientid(struct nfs_client *clp, struct rpc_cred *cred)
{
int status;
@@ -259,8 +269,7 @@ do_confirm:
status = nfs4_proc_create_session(clp, cred);
if (status != 0)
goto out;
- clear_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state);
- nfs41_setup_state_renewal(clp);
+ nfs41_finish_session_reset(clp);
nfs_mark_client_ready(clp, NFS_CS_READY);
out:
return status;
@@ -1772,16 +1781,9 @@ static int nfs4_reset_session(struct nfs_client *clp)
status = nfs4_handle_reclaim_lease_error(clp, status);
goto out;
}
- clear_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state);
- /* create_session negotiated new slot table */
- clear_bit(NFS4CLNT_RECALL_SLOT, &clp->cl_state);
- clear_bit(NFS4CLNT_BIND_CONN_TO_SESSION, &clp->cl_state);
+ nfs41_finish_session_reset(clp);
dprintk("%s: session reset was successful for server %s!\n",
__func__, clp->cl_hostname);
-
- /* Let the state manager reestablish state */
- if (!test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state))
- nfs41_setup_state_renewal(clp);
out:
if (cred)
put_rpccred(cred);
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index ee4a74db95d..18fae29b030 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -1198,12 +1198,13 @@ static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct c
}
static void encode_getfattr_open(struct xdr_stream *xdr, const u32 *bitmask,
+ const u32 *open_bitmap,
struct compound_hdr *hdr)
{
encode_getattr_three(xdr,
- bitmask[0] & nfs4_fattr_bitmap[0],
- bitmask[1] & nfs4_fattr_bitmap[1],
- bitmask[2] & FATTR4_WORD2_MDSTHRESHOLD,
+ bitmask[0] & open_bitmap[0],
+ bitmask[1] & open_bitmap[1],
+ bitmask[2] & open_bitmap[2],
hdr);
}
@@ -2221,7 +2222,7 @@ static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr,
encode_putfh(xdr, args->fh, &hdr);
encode_open(xdr, args, &hdr);
encode_getfh(xdr, &hdr);
- encode_getfattr_open(xdr, args->bitmask, &hdr);
+ encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr);
encode_nops(&hdr);
}
@@ -4359,7 +4360,10 @@ static int decode_attr_mdsthreshold(struct xdr_stream *xdr,
if (unlikely(bitmap[2] & (FATTR4_WORD2_MDSTHRESHOLD - 1U)))
return -EIO;
- if (likely(bitmap[2] & FATTR4_WORD2_MDSTHRESHOLD)) {
+ if (bitmap[2] & FATTR4_WORD2_MDSTHRESHOLD) {
+ /* Did the server return an unrequested attribute? */
+ if (unlikely(res == NULL))
+ return -EREMOTEIO;
p = xdr_inline_decode(xdr, 4);
if (unlikely(!p))
goto out_overflow;
@@ -4372,6 +4376,7 @@ static int decode_attr_mdsthreshold(struct xdr_stream *xdr,
__func__);
status = decode_first_threshold_item4(xdr, res);
+ bitmap[2] &= ~FATTR4_WORD2_MDSTHRESHOLD;
}
return status;
out_overflow:
diff --git a/fs/nfs/objlayout/objio_osd.c b/fs/nfs/objlayout/objio_osd.c
index b47277baeba..f50d3e8d6f2 100644
--- a/fs/nfs/objlayout/objio_osd.c
+++ b/fs/nfs/objlayout/objio_osd.c
@@ -454,7 +454,10 @@ int objio_read_pagelist(struct nfs_read_data *rdata)
objios->ios->done = _read_done;
dprintk("%s: offset=0x%llx length=0x%x\n", __func__,
rdata->args.offset, rdata->args.count);
- return ore_read(objios->ios);
+ ret = ore_read(objios->ios);
+ if (unlikely(ret))
+ objio_free_result(&objios->oir);
+ return ret;
}
/*
@@ -486,8 +489,16 @@ static struct page *__r4w_get_page(void *priv, u64 offset, bool *uptodate)
struct nfs_write_data *wdata = objios->oir.rpcdata;
struct address_space *mapping = wdata->header->inode->i_mapping;
pgoff_t index = offset / PAGE_SIZE;
- struct page *page = find_get_page(mapping, index);
+ struct page *page;
+ loff_t i_size = i_size_read(wdata->header->inode);
+
+ if (offset >= i_size) {
+ *uptodate = true;
+ dprintk("%s: g_zero_page index=0x%lx\n", __func__, index);
+ return ZERO_PAGE(0);
+ }
+ page = find_get_page(mapping, index);
if (!page) {
page = find_or_create_page(mapping, index, GFP_NOFS);
if (unlikely(!page)) {
@@ -507,8 +518,10 @@ static struct page *__r4w_get_page(void *priv, u64 offset, bool *uptodate)
static void __r4w_put_page(void *priv, struct page *page)
{
- dprintk("%s: index=0x%lx\n", __func__, page->index);
- page_cache_release(page);
+ dprintk("%s: index=0x%lx\n", __func__,
+ (page == ZERO_PAGE(0)) ? -1UL : page->index);
+ if (ZERO_PAGE(0) != page)
+ page_cache_release(page);
return;
}
@@ -539,8 +552,10 @@ int objio_write_pagelist(struct nfs_write_data *wdata, int how)
dprintk("%s: offset=0x%llx length=0x%x\n", __func__,
wdata->args.offset, wdata->args.count);
ret = ore_write(objios->ios);
- if (unlikely(ret))
+ if (unlikely(ret)) {
+ objio_free_result(&objios->oir);
return ret;
+ }
if (objios->sync)
_write_done(objios->ios, objios);
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index b8323aa7b54..bbc49caa7a8 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -70,6 +70,10 @@ find_pnfs_driver(u32 id)
spin_lock(&pnfs_spinlock);
local = find_pnfs_driver_locked(id);
+ if (local != NULL && !try_module_get(local->owner)) {
+ dprintk("%s: Could not grab reference on module\n", __func__);
+ local = NULL;
+ }
spin_unlock(&pnfs_spinlock);
return local;
}
@@ -80,6 +84,9 @@ unset_pnfs_layoutdriver(struct nfs_server *nfss)
if (nfss->pnfs_curr_ld) {
if (nfss->pnfs_curr_ld->clear_layoutdriver)
nfss->pnfs_curr_ld->clear_layoutdriver(nfss);
+ /* Decrement the MDS count. Purge the deviceid cache if zero */
+ if (atomic_dec_and_test(&nfss->nfs_client->cl_mds_count))
+ nfs4_deviceid_purge_client(nfss->nfs_client);
module_put(nfss->pnfs_curr_ld->owner);
}
nfss->pnfs_curr_ld = NULL;
@@ -115,10 +122,6 @@ set_pnfs_layoutdriver(struct nfs_server *server, const struct nfs_fh *mntfh,
goto out_no_driver;
}
}
- if (!try_module_get(ld_type->owner)) {
- dprintk("%s: Could not grab reference on module\n", __func__);
- goto out_no_driver;
- }
server->pnfs_curr_ld = ld_type;
if (ld_type->set_layoutdriver
&& ld_type->set_layoutdriver(server, mntfh)) {
@@ -127,6 +130,8 @@ set_pnfs_layoutdriver(struct nfs_server *server, const struct nfs_fh *mntfh,
module_put(ld_type->owner);
goto out_no_driver;
}
+ /* Bump the MDS count */
+ atomic_inc(&server->nfs_client->cl_mds_count);
dprintk("%s: pNFS module for %u set\n", __func__, id);
return;
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 29fd23c0efd..64f90d845f6 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -365,7 +365,7 @@ static inline bool
pnfs_use_threshold(struct nfs4_threshold **dst, struct nfs4_threshold *src,
struct nfs_server *nfss)
{
- return (dst && src && src->bm != 0 &&
+ return (dst && src && src->bm != 0 && nfss->pnfs_curr_ld &&
nfss->pnfs_curr_ld->id == src->l_type);
}
diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c
index a706b6bcc28..4433806e116 100644
--- a/fs/nfs/proc.c
+++ b/fs/nfs/proc.c
@@ -259,7 +259,7 @@ static void nfs_free_createdata(const struct nfs_createdata *data)
static int
nfs_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
- int flags, struct nfs_open_context *ctx)
+ int flags)
{
struct nfs_createdata *data;
struct rpc_message msg = {
@@ -651,7 +651,7 @@ static int nfs_read_done(struct rpc_task *task, struct nfs_read_data *data)
/* Emulate the eof flag, which isn't normally needed in NFSv2
* as it is guaranteed to always return the file attributes
*/
- if (data->args.offset + data->args.count >= data->res.fattr->size)
+ if (data->args.offset + data->res.count >= data->res.fattr->size)
data->res.eof = 1;
}
return 0;
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index ff656c02268..8b2a2977b72 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1867,6 +1867,7 @@ static int nfs23_validate_mount_data(void *options,
if (data == NULL)
goto out_no_data;
+ args->version = NFS_DEFAULT_VERSION;
switch (data->version) {
case 1:
data->namlen = 0;
@@ -2418,7 +2419,7 @@ static struct dentry *nfs_fs_mount_common(struct file_system_type *fs_type,
sb_mntdata.mntflags |= MS_SYNCHRONOUS;
/* Get a superblock - note that we may end up sharing one that already exists */
- s = sget(fs_type, compare_super, nfs_set_super, &sb_mntdata);
+ s = sget(fs_type, compare_super, nfs_set_super, flags, &sb_mntdata);
if (IS_ERR(s)) {
mntroot = ERR_CAST(s);
goto out_err_nosb;
@@ -2637,6 +2638,8 @@ static int nfs4_validate_mount_data(void *options,
if (data == NULL)
goto out_no_data;
+ args->version = 4;
+
switch (data->version) {
case 1:
if (data->host_addrlen > sizeof(args->nfs_server.address))
@@ -2857,6 +2860,8 @@ static struct dentry *nfs4_try_mount(int flags, const char *dev_name,
dfprintk(MOUNT, "--> nfs4_try_mount()\n");
+ mount_info->fill_super = nfs4_fill_super;
+
export_path = data->nfs_server.export_path;
data->nfs_server.export_path = "/";
root_mnt = nfs_do_root_mount(&nfs4_remote_fs_type, flags, mount_info,
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index e6fe3d69d14..4d6861c0dc1 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -80,6 +80,7 @@ struct nfs_write_header *nfs_writehdr_alloc(void)
INIT_LIST_HEAD(&hdr->rpc_list);
spin_lock_init(&hdr->lock);
atomic_set(&hdr->refcnt, 0);
+ hdr->verf = &p->verf;
}
return p;
}
@@ -619,6 +620,7 @@ static void nfs_write_completion(struct nfs_pgio_header *hdr)
goto next;
}
if (test_bit(NFS_IOHDR_NEED_COMMIT, &hdr->flags)) {
+ memcpy(&req->wb_verf, hdr->verf, sizeof(req->wb_verf));
nfs_mark_request_commit(req, hdr->lseg, &cinfo);
goto next;
}
@@ -1255,15 +1257,14 @@ static void nfs_writeback_release_common(void *calldata)
struct nfs_write_data *data = calldata;
struct nfs_pgio_header *hdr = data->header;
int status = data->task.tk_status;
- struct nfs_page *req = hdr->req;
if ((status >= 0) && nfs_write_need_commit(data)) {
spin_lock(&hdr->lock);
if (test_bit(NFS_IOHDR_NEED_RESCHED, &hdr->flags))
; /* Do nothing */
else if (!test_and_set_bit(NFS_IOHDR_NEED_COMMIT, &hdr->flags))
- memcpy(&req->wb_verf, &data->verf, sizeof(req->wb_verf));
- else if (memcmp(&req->wb_verf, &data->verf, sizeof(req->wb_verf)))
+ memcpy(hdr->verf, &data->verf, sizeof(*hdr->verf));
+ else if (memcmp(hdr->verf, &data->verf, sizeof(*hdr->verf)))
set_bit(NFS_IOHDR_NEED_RESCHED, &hdr->flags);
spin_unlock(&hdr->lock);
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-10-22 05:41:05 +0000