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Commit 3cadf4b8 authored by Bryan Schumaker's avatar Bryan Schumaker Committed by Trond Myklebust
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NFS: Create a single nfs_clone_super() function 



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: default avatarBryan Schumaker <bjschuma@netapp.com>
Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent fcf10398

fs/nfs/super.c

+6 −26
Original line number Diff line number Diff line
@@ -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,

	};