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NFS: Add nfs_alloc_parsed_mount_data

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Allocating nfs_parsed_mount_data and setting up the defaults is nearly
the same for both nfs and nfs4 mounts.

Both paths seem to use nfs_validate_transport_protocol(), so setting a
default value for nfs_server.protocol ought to be unnecessary.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Chuck Lever 2009-09-23 14:36:38 -04:00 committed by Trond Myklebust
parent 61d0a8e6a8
commit 9423a08ad5
1 changed files with 23 additions and 27 deletions
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50
fs/nfs/super.c
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@ -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.
*
@ -1637,20 +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;
@ -2097,7 +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;
@ -2365,18 +2372,7 @@ 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))
@ -2659,7 +2655,7 @@ 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;