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-rw-r--r--fs/nfs/callback_xdr.c2
-rw-r--r--fs/nfs/client.c27
-rw-r--r--fs/nfs/fscache.c25
-rw-r--r--fs/nfs/fscache.h6
-rw-r--r--fs/nfs/nfs2xdr.c1
-rw-r--r--fs/nfs/nfs3proc.c1
-rw-r--r--fs/nfs/nfs3xdr.c1
-rw-r--r--fs/nfs/nfs4proc.c1
-rw-r--r--fs/nfs/nfs4state.c2
-rw-r--r--fs/nfs/nfs4xdr.c1
-rw-r--r--fs/nfs/proc.c1
-rw-r--r--fs/nfs/super.c80
-rw-r--r--fs/nfs/write.c1
13 files changed, 88 insertions, 61 deletions
diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c
index e5a2dac..76b0aa0 100644
--- a/fs/nfs/callback_xdr.c
+++ b/fs/nfs/callback_xdr.c
@@ -222,7 +222,7 @@ static unsigned decode_sessionid(struct xdr_stream *xdr,
p = read_buf(xdr, len);
if (unlikely(p == NULL))
- return htonl(NFS4ERR_RESOURCE);;
+ return htonl(NFS4ERR_RESOURCE);
memcpy(sid->data, p, len);
return 0;
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index e350bd6..63976c0 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -648,8 +648,6 @@ static int nfs_start_lockd(struct nfs_server *server)
.hostname = clp->cl_hostname,
.address = (struct sockaddr *)&clp->cl_addr,
.addrlen = clp->cl_addrlen,
- .protocol = server->flags & NFS_MOUNT_TCP ?
- IPPROTO_TCP : IPPROTO_UDP,
.nfs_version = clp->rpc_ops->version,
.noresvport = server->flags & NFS_MOUNT_NORESVPORT ?
1 : 0,
@@ -660,6 +658,14 @@ static int nfs_start_lockd(struct nfs_server *server)
if (server->flags & NFS_MOUNT_NONLM)
return 0;
+ switch (clp->cl_proto) {
+ default:
+ nlm_init.protocol = IPPROTO_TCP;
+ break;
+ case XPRT_TRANSPORT_UDP:
+ nlm_init.protocol = IPPROTO_UDP;
+ }
+
host = nlmclnt_init(&nlm_init);
if (IS_ERR(host))
return PTR_ERR(host);
@@ -787,7 +793,7 @@ static int nfs_init_server(struct nfs_server *server,
dprintk("--> nfs_init_server()\n");
#ifdef CONFIG_NFS_V3
- if (data->flags & NFS_MOUNT_VER3)
+ if (data->version == 3)
cl_init.rpc_ops = &nfs_v3_clientops;
#endif
@@ -933,10 +939,6 @@ static int nfs_probe_fsinfo(struct nfs_server *server, struct nfs_fh *mntfh, str
goto out_error;
nfs_server_set_fsinfo(server, &fsinfo);
- error = bdi_init(&server->backing_dev_info);
- if (error)
- goto out_error;
-
/* Get some general file system info */
if (server->namelen == 0) {
@@ -968,6 +970,7 @@ static void nfs_server_copy_userdata(struct nfs_server *target, struct nfs_serve
target->acdirmin = source->acdirmin;
target->acdirmax = source->acdirmax;
target->caps = source->caps;
+ target->options = source->options;
}
/*
@@ -995,6 +998,12 @@ static struct nfs_server *nfs_alloc_server(void)
return NULL;
}
+ if (bdi_init(&server->backing_dev_info)) {
+ nfs_free_iostats(server->io_stats);
+ kfree(server);
+ return NULL;
+ }
+
return server;
}
@@ -1529,7 +1538,7 @@ static void *nfs_server_list_next(struct seq_file *p, void *v, loff_t *pos);
static void nfs_server_list_stop(struct seq_file *p, void *v);
static int nfs_server_list_show(struct seq_file *m, void *v);
-static struct seq_operations nfs_server_list_ops = {
+static const struct seq_operations nfs_server_list_ops = {
.start = nfs_server_list_start,
.next = nfs_server_list_next,
.stop = nfs_server_list_stop,
@@ -1550,7 +1559,7 @@ static void *nfs_volume_list_next(struct seq_file *p, void *v, loff_t *pos);
static void nfs_volume_list_stop(struct seq_file *p, void *v);
static int nfs_volume_list_show(struct seq_file *m, void *v);
-static struct seq_operations nfs_volume_list_ops = {
+static const struct seq_operations nfs_volume_list_ops = {
.start = nfs_volume_list_start,
.next = nfs_volume_list_next,
.stop = nfs_volume_list_stop,
diff --git a/fs/nfs/fscache.c b/fs/nfs/fscache.c
index 379be67..70fad69 100644
--- a/fs/nfs/fscache.c
+++ b/fs/nfs/fscache.c
@@ -58,17 +58,34 @@ void nfs_fscache_release_client_cookie(struct nfs_client *clp)
/*
* Get the cache cookie for an NFS superblock. We have to handle
* uniquification here because the cache doesn't do it for us.
+ *
+ * The default uniquifier is just an empty string, but it may be overridden
+ * either by the 'fsc=xxx' option to mount, or by inheriting it from the parent
+ * superblock across an automount point of some nature.
*/
-void nfs_fscache_get_super_cookie(struct super_block *sb,
- struct nfs_parsed_mount_data *data)
+void nfs_fscache_get_super_cookie(struct super_block *sb, const char *uniq,
+ struct nfs_clone_mount *mntdata)
{
struct nfs_fscache_key *key, *xkey;
struct nfs_server *nfss = NFS_SB(sb);
struct rb_node **p, *parent;
- const char *uniq = data->fscache_uniq ?: "";
int diff, ulen;
- ulen = strlen(uniq);
+ if (uniq) {
+ ulen = strlen(uniq);
+ } else if (mntdata) {
+ struct nfs_server *mnt_s = NFS_SB(mntdata->sb);
+ if (mnt_s->fscache_key) {
+ uniq = mnt_s->fscache_key->key.uniquifier;
+ ulen = mnt_s->fscache_key->key.uniq_len;
+ }
+ }
+
+ if (!uniq) {
+ uniq = "";
+ ulen = 1;
+ }
+
key = kzalloc(sizeof(*key) + ulen, GFP_KERNEL);
if (!key)
return;
diff --git a/fs/nfs/fscache.h b/fs/nfs/fscache.h
index 6e809bb..b9c572d 100644
--- a/fs/nfs/fscache.h
+++ b/fs/nfs/fscache.h
@@ -74,7 +74,8 @@ extern void nfs_fscache_get_client_cookie(struct nfs_client *);
extern void nfs_fscache_release_client_cookie(struct nfs_client *);
extern void nfs_fscache_get_super_cookie(struct super_block *,
- struct nfs_parsed_mount_data *);
+ const char *,
+ struct nfs_clone_mount *);
extern void nfs_fscache_release_super_cookie(struct super_block *);
extern void nfs_fscache_init_inode_cookie(struct inode *);
@@ -173,7 +174,8 @@ static inline void nfs_fscache_release_client_cookie(struct nfs_client *clp) {}
static inline void nfs_fscache_get_super_cookie(
struct super_block *sb,
- struct nfs_parsed_mount_data *data)
+ const char *uniq,
+ struct nfs_clone_mount *mntdata)
{
}
static inline void nfs_fscache_release_super_cookie(struct super_block *sb) {}
diff --git a/fs/nfs/nfs2xdr.c b/fs/nfs/nfs2xdr.c
index c862c93..5e078b2 100644
--- a/fs/nfs/nfs2xdr.c
+++ b/fs/nfs/nfs2xdr.c
@@ -13,7 +13,6 @@
#include <linux/time.h>
#include <linux/mm.h>
#include <linux/slab.h>
-#include <linux/utsname.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/in.h>
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index ee6a13f..3f8881d 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -7,7 +7,6 @@
*/
#include <linux/mm.h>
-#include <linux/utsname.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/sunrpc/clnt.h>
diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c
index 35869a4..5fe5492 100644
--- a/fs/nfs/nfs3xdr.c
+++ b/fs/nfs/nfs3xdr.c
@@ -10,7 +10,6 @@
#include <linux/time.h>
#include <linux/mm.h>
#include <linux/slab.h>
-#include <linux/utsname.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/in.h>
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index be6544a..ed7c269 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -36,7 +36,6 @@
*/
#include <linux/mm.h>
-#include <linux/utsname.h>
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/string.h>
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 1434080..2ef4fec 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -638,7 +638,7 @@ static void nfs4_fl_release_lock(struct file_lock *fl)
nfs4_put_lock_state(fl->fl_u.nfs4_fl.owner);
}
-static struct file_lock_operations nfs4_fl_lock_ops = {
+static const struct file_lock_operations nfs4_fl_lock_ops = {
.fl_copy_lock = nfs4_fl_copy_lock,
.fl_release_private = nfs4_fl_release_lock,
};
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index cfc30d3..83ad47c 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -39,7 +39,6 @@
#include <linux/time.h>
#include <linux/mm.h>
#include <linux/slab.h>
-#include <linux/utsname.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/in.h>
diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c
index 7be72d9..ef58385 100644
--- a/fs/nfs/proc.c
+++ b/fs/nfs/proc.c
@@ -32,7 +32,6 @@
#include <linux/slab.h>
#include <linux/time.h>
#include <linux/mm.h>
-#include <linux/utsname.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/in.h>
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 867f705..810770f 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -728,6 +728,27 @@ static void nfs_umount_begin(struct super_block *sb)
unlock_kernel();
}
+static struct nfs_parsed_mount_data *nfs_alloc_parsed_mount_data(int flags)
+{
+ struct nfs_parsed_mount_data *data;
+
+ data = kzalloc(sizeof(*data), GFP_KERNEL);
+ if (data) {
+ data->flags = flags;
+ data->rsize = NFS_MAX_FILE_IO_SIZE;
+ data->wsize = NFS_MAX_FILE_IO_SIZE;
+ data->acregmin = NFS_DEF_ACREGMIN;
+ data->acregmax = NFS_DEF_ACREGMAX;
+ data->acdirmin = NFS_DEF_ACDIRMIN;
+ data->acdirmax = NFS_DEF_ACDIRMAX;
+ data->nfs_server.port = NFS_UNSPEC_PORT;
+ data->auth_flavors[0] = RPC_AUTH_UNIX;
+ data->auth_flavor_len = 1;
+ data->minorversion = 0;
+ }
+ return data;
+}
+
/*
* Sanity-check a server address provided by the mount command.
*
@@ -1430,10 +1451,13 @@ static int nfs_try_mount(struct nfs_parsed_mount_data *args,
int status;
if (args->mount_server.version == 0) {
- if (args->flags & NFS_MOUNT_VER3)
- args->mount_server.version = NFS_MNT3_VERSION;
- else
- args->mount_server.version = NFS_MNT_VERSION;
+ switch (args->version) {
+ default:
+ args->mount_server.version = NFS_MNT3_VERSION;
+ break;
+ case 2:
+ args->mount_server.version = NFS_MNT_VERSION;
+ }
}
request.version = args->mount_server.version;
@@ -1634,20 +1658,6 @@ static int nfs_validate_mount_data(void *options,
if (data == NULL)
goto out_no_data;
- args->flags = (NFS_MOUNT_VER3 | NFS_MOUNT_TCP);
- args->rsize = NFS_MAX_FILE_IO_SIZE;
- args->wsize = NFS_MAX_FILE_IO_SIZE;
- args->acregmin = NFS_DEF_ACREGMIN;
- args->acregmax = NFS_DEF_ACREGMAX;
- args->acdirmin = NFS_DEF_ACDIRMIN;
- args->acdirmax = NFS_DEF_ACDIRMAX;
- args->mount_server.port = NFS_UNSPEC_PORT;
- args->nfs_server.port = NFS_UNSPEC_PORT;
- args->nfs_server.protocol = XPRT_TRANSPORT_TCP;
- args->auth_flavors[0] = RPC_AUTH_UNIX;
- args->auth_flavor_len = 1;
- args->minorversion = 0;
-
switch (data->version) {
case 1:
data->namlen = 0;
@@ -1778,7 +1788,7 @@ static int nfs_validate_mount_data(void *options,
}
#ifndef CONFIG_NFS_V3
- if (args->flags & NFS_MOUNT_VER3)
+ if (args->version == 3)
goto out_v3_not_compiled;
#endif /* !CONFIG_NFS_V3 */
@@ -1918,6 +1928,8 @@ static inline void nfs_initialise_sb(struct super_block *sb)
if (server->flags & NFS_MOUNT_NOAC)
sb->s_flags |= MS_SYNCHRONOUS;
+ sb->s_bdi = &server->backing_dev_info;
+
nfs_super_set_maxbytes(sb, server->maxfilesize);
}
@@ -1934,7 +1946,7 @@ static void nfs_fill_super(struct super_block *sb,
if (data->bsize)
sb->s_blocksize = nfs_block_size(data->bsize, &sb->s_blocksize_bits);
- if (server->flags & NFS_MOUNT_VER3) {
+ if (server->nfs_client->rpc_ops->version == 3) {
/* The VFS shouldn't apply the umask to mode bits. We will do
* so ourselves when necessary.
*/
@@ -1958,7 +1970,7 @@ static void nfs_clone_super(struct super_block *sb,
sb->s_blocksize = old_sb->s_blocksize;
sb->s_maxbytes = old_sb->s_maxbytes;
- if (server->flags & NFS_MOUNT_VER3) {
+ if (server->nfs_client->rpc_ops->version == 3) {
/* The VFS shouldn't apply the umask to mode bits. We will do
* so ourselves when necessary.
*/
@@ -2092,7 +2104,7 @@ static int nfs_get_sb(struct file_system_type *fs_type,
};
int error = -ENOMEM;
- data = kzalloc(sizeof(*data), GFP_KERNEL);
+ data = nfs_alloc_parsed_mount_data(NFS_MOUNT_VER3 | NFS_MOUNT_TCP);
mntfh = kzalloc(sizeof(*mntfh), GFP_KERNEL);
if (data == NULL || mntfh == NULL)
goto out_free_fh;
@@ -2142,7 +2154,8 @@ static int nfs_get_sb(struct file_system_type *fs_type,
if (!s->s_root) {
/* initial superblock/root creation */
nfs_fill_super(s, data);
- nfs_fscache_get_super_cookie(s, data);
+ nfs_fscache_get_super_cookie(
+ s, data ? data->fscache_uniq : NULL, NULL);
}
mntroot = nfs_get_root(s, mntfh);
@@ -2188,8 +2201,8 @@ static void nfs_kill_super(struct super_block *s)
{
struct nfs_server *server = NFS_SB(s);
- bdi_unregister(&server->backing_dev_info);
kill_anon_super(s);
+ bdi_unregister(&server->backing_dev_info);
nfs_fscache_release_super_cookie(s);
nfs_free_server(server);
}
@@ -2243,6 +2256,7 @@ static int nfs_xdev_get_sb(struct file_system_type *fs_type, int flags,
if (!s->s_root) {
/* initial superblock/root creation */
nfs_clone_super(s, data->sb);
+ nfs_fscache_get_super_cookie(s, NULL, data);
}
mntroot = nfs_get_root(s, data->fh);
@@ -2360,18 +2374,7 @@ static int nfs4_validate_mount_data(void *options,
if (data == NULL)
goto out_no_data;
- args->rsize = NFS_MAX_FILE_IO_SIZE;
- args->wsize = NFS_MAX_FILE_IO_SIZE;
- args->acregmin = NFS_DEF_ACREGMIN;
- args->acregmax = NFS_DEF_ACREGMAX;
- args->acdirmin = NFS_DEF_ACDIRMIN;
- args->acdirmax = NFS_DEF_ACDIRMAX;
- args->nfs_server.port = NFS_UNSPEC_PORT;
- args->auth_flavors[0] = RPC_AUTH_UNIX;
- args->auth_flavor_len = 1;
args->version = 4;
- args->minorversion = 0;
-
switch (data->version) {
case 1:
if (data->host_addrlen > sizeof(args->nfs_server.address))
@@ -2506,7 +2509,8 @@ static int nfs4_remote_get_sb(struct file_system_type *fs_type,
if (!s->s_root) {
/* initial superblock/root creation */
nfs4_fill_super(s);
- nfs_fscache_get_super_cookie(s, data);
+ nfs_fscache_get_super_cookie(
+ s, data ? data->fscache_uniq : NULL, NULL);
}
mntroot = nfs4_get_root(s, mntfh);
@@ -2654,7 +2658,7 @@ static int nfs4_get_sb(struct file_system_type *fs_type,
struct nfs_parsed_mount_data *data;
int error = -ENOMEM;
- data = kzalloc(sizeof(*data), GFP_KERNEL);
+ data = nfs_alloc_parsed_mount_data(0);
if (data == NULL)
goto out_free_data;
@@ -2739,6 +2743,7 @@ static int nfs4_xdev_get_sb(struct file_system_type *fs_type, int flags,
if (!s->s_root) {
/* initial superblock/root creation */
nfs4_clone_super(s, data->sb);
+ nfs_fscache_get_super_cookie(s, NULL, data);
}
mntroot = nfs4_get_root(s, data->fh);
@@ -2820,6 +2825,7 @@ static int nfs4_remote_referral_get_sb(struct file_system_type *fs_type,
if (!s->s_root) {
/* initial superblock/root creation */
nfs4_fill_super(s);
+ nfs_fscache_get_super_cookie(s, NULL, data);
}
mntroot = nfs4_get_root(s, &mntfh);
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 120acad..53eb26c 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -1490,7 +1490,6 @@ static int nfs_write_mapping(struct address_space *mapping, int how)
.nr_to_write = LONG_MAX,
.range_start = 0,
.range_end = LLONG_MAX,
- .for_writepages = 1,
};
return __nfs_write_mapping(mapping, &wbc, how);
generated by cgit v1.1 at 2024-12-26 12:30:45 +0000