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NFS: Create a single nfs_clone_super() function

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v2 and v3 shared a function for this, but v4 implemented something only
slightly different.  Might as well share code whenever possible...

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Bryan Schumaker 2012-07-16 16:39:19 -04:00 committed by Trond Myklebust
parent fcf10398f6
commit 3cadf4b864
1 changed files with 6 additions and 26 deletions
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32
fs/nfs/super.c
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@ -2218,7 +2218,7 @@ static void nfs_fill_super(struct super_block *sb,
}
/*
* Finish setting up a cloned NFS2/3 superblock
* Finish setting up a cloned NFS2/3/4 superblock
*/
static void nfs_clone_super(struct super_block *sb,
struct nfs_mount_info *mount_info)
@ -2229,16 +2229,17 @@ static void nfs_clone_super(struct super_block *sb,
sb->s_blocksize_bits = old_sb->s_blocksize_bits;
sb->s_blocksize = old_sb->s_blocksize;
sb->s_maxbytes = old_sb->s_maxbytes;
sb->s_xattr = old_sb->s_xattr;
sb->s_op = old_sb->s_op;
sb->s_time_gran = 1;
if (server->nfs_client->rpc_ops->version == 3) {
if (server->nfs_client->rpc_ops->version != 2) {
/* The VFS shouldn't apply the umask to mode bits. We will do
* so ourselves when necessary.
*/
sb->s_flags |= MS_POSIXACL;
sb->s_time_gran = 1;
}
sb->s_op = old_sb->s_op;
nfs_initialise_sb(sb);
}
@ -2579,27 +2580,6 @@ nfs_xdev_mount(struct file_system_type *fs_type, int flags,
#ifdef CONFIG_NFS_V4
/*
* Finish setting up a cloned NFS4 superblock
*/
static void nfs4_clone_super(struct super_block *sb,
struct nfs_mount_info *mount_info)
{
const struct super_block *old_sb = mount_info->cloned->sb;
sb->s_blocksize_bits = old_sb->s_blocksize_bits;
sb->s_blocksize = old_sb->s_blocksize;
sb->s_maxbytes = old_sb->s_maxbytes;
sb->s_time_gran = 1;
sb->s_op = old_sb->s_op;
/*
* The VFS shouldn't apply the umask to mode bits. We will do
* so ourselves when necessary.
*/
sb->s_flags |= MS_POSIXACL;
sb->s_xattr = old_sb->s_xattr;
nfs_initialise_sb(sb);
}
/*
* Set up an NFS4 superblock
*/
@ -2883,7 +2863,7 @@ nfs4_xdev_mount(struct file_system_type *fs_type, int flags,
const char *dev_name, void *raw_data)
{
struct nfs_mount_info mount_info = {
.fill_super = nfs4_clone_super,
.fill_super = nfs_clone_super,
.set_security = nfs_clone_sb_security,
.cloned = raw_data,
};