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nfs: stash server into struct nfs_mount_info

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Reviewed-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Al Viro 2019-12-10 07:30:50 -05:00 committed by Anna Schumaker
parent 444a52960c
commit d0b779d47c
3 changed files with 14 additions and 18 deletions
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3
fs/nfs/internal.h
View File

@ -142,6 +142,7 @@ struct nfs_mount_info {
int (*set_security)(struct super_block *, struct dentry *, struct nfs_mount_info *);
struct nfs_parsed_mount_data *parsed;
struct nfs_clone_mount *cloned;
struct nfs_server *server;
struct nfs_fh *mntfh;
};
@ -397,7 +398,7 @@ struct dentry *nfs_try_mount(int, const char *, struct nfs_mount_info *,
struct nfs_subversion *);
int nfs_set_sb_security(struct super_block *, struct dentry *, struct nfs_mount_info *);
int nfs_clone_sb_security(struct super_block *, struct dentry *, struct nfs_mount_info *);
struct dentry *nfs_fs_mount_common(struct nfs_server *, int, const char *,
struct dentry *nfs_fs_mount_common(int, const char *,
struct nfs_mount_info *, struct nfs_subversion *);
struct dentry *nfs_fs_mount(struct file_system_type *, int, const char *, void *);
struct dentry * nfs_xdev_mount_common(struct file_system_type *, int,

10
fs/nfs/nfs4super.c
View File

@ -109,13 +109,12 @@ nfs4_remote_mount(struct file_system_type *fs_type, int flags,
const char *dev_name, void *info)
{
struct nfs_mount_info *mount_info = info;
struct nfs_server *server;
mount_info->set_security = nfs_set_sb_security;
/* Get a volume representation */
server = nfs4_create_server(mount_info, &nfs_v4);
return nfs_fs_mount_common(server, flags, dev_name, mount_info, &nfs_v4);
mount_info->server = nfs4_create_server(mount_info, &nfs_v4);
return nfs_fs_mount_common(flags, dev_name, mount_info, &nfs_v4);
}
static struct vfsmount *nfs_do_root_mount(struct file_system_type *fs_type,
@ -260,7 +259,6 @@ nfs4_remote_referral_mount(struct file_system_type *fs_type, int flags,
.set_security = nfs_clone_sb_security,
.cloned = raw_data,
};
struct nfs_server *server;
struct dentry *mntroot = ERR_PTR(-ENOMEM);
dprintk("--> nfs4_referral_get_sb()\n");
@ -270,8 +268,8 @@ nfs4_remote_referral_mount(struct file_system_type *fs_type, int flags,
goto out;
/* create a new volume representation */
server = nfs4_create_referral_server(mount_info.cloned, mount_info.mntfh);
mntroot = nfs_fs_mount_common(server, flags, dev_name, &mount_info, &nfs_v4);
mount_info.server = nfs4_create_referral_server(mount_info.cloned, mount_info.mntfh);
mntroot = nfs_fs_mount_common(flags, dev_name, &mount_info, &nfs_v4);
out:
nfs_free_fhandle(mount_info.mntfh);
return mntroot;

19
fs/nfs/super.c
View File

@ -1896,14 +1896,12 @@ struct dentry *nfs_try_mount(int flags, const char *dev_name,
struct nfs_mount_info *mount_info,
struct nfs_subversion *nfs_mod)
{
struct nfs_server *server;
if (mount_info->parsed->need_mount)
server = nfs_try_mount_request(mount_info, nfs_mod);
mount_info->server = nfs_try_mount_request(mount_info, nfs_mod);
else
server = nfs_mod->rpc_ops->create_server(mount_info, nfs_mod);
mount_info->server = nfs_mod->rpc_ops->create_server(mount_info, nfs_mod);
return nfs_fs_mount_common(server, flags, dev_name, mount_info, nfs_mod);
return nfs_fs_mount_common(flags, dev_name, mount_info, nfs_mod);
}
EXPORT_SYMBOL_GPL(nfs_try_mount);
@ -2649,20 +2647,21 @@ static void nfs_set_readahead(struct backing_dev_info *bdi,
bdi->io_pages = iomax_pages;
}
struct dentry *nfs_fs_mount_common(struct nfs_server *server,
int flags, const char *dev_name,
struct dentry *nfs_fs_mount_common(int flags, const char *dev_name,
struct nfs_mount_info *mount_info,
struct nfs_subversion *nfs_mod)
{
struct super_block *s;
struct dentry *mntroot = ERR_PTR(-ENOMEM);
int (*compare_super)(struct super_block *, void *) = nfs_compare_super;
struct nfs_server *server = mount_info->server;
struct nfs_sb_mountdata sb_mntdata = {
.mntflags = flags,
.server = server,
};
int error;
mount_info->server = NULL;
if (IS_ERR(server))
return ERR_CAST(server);
@ -2803,7 +2802,6 @@ nfs_xdev_mount(struct file_system_type *fs_type, int flags,
.set_security = nfs_clone_sb_security,
.cloned = data,
};
struct nfs_server *server;
struct dentry *mntroot = ERR_PTR(-ENOMEM);
struct nfs_subversion *nfs_mod = NFS_SB(data->sb)->nfs_client->cl_nfs_mod;
@ -2812,10 +2810,9 @@ nfs_xdev_mount(struct file_system_type *fs_type, int flags,
mount_info.mntfh = mount_info.cloned->fh;
/* create a new volume representation */
server = nfs_mod->rpc_ops->clone_server(NFS_SB(data->sb), data->fh, data->fattr, data->authflavor);
mount_info.server = nfs_mod->rpc_ops->clone_server(NFS_SB(data->sb), data->fh, data->fattr, data->authflavor);
mntroot = nfs_fs_mount_common(server, flags,
dev_name, &mount_info, nfs_mod);
mntroot = nfs_fs_mount_common(flags, dev_name, &mount_info, nfs_mod);
dprintk("<-- nfs_xdev_mount() = %ld\n",
IS_ERR(mntroot) ? PTR_ERR(mntroot) : 0L);