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NFS: Clean up nfs4_proc_get_rootfh 

The long lines with no vertical white space make this function
difficult for humans to read.  Add a proper documenting comment
while we're here.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Cc: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Chuck Lever 2013-03-16 15:55:45 -04:00 committed by Trond Myklebust
parent 75bc8821bd
commit 2ed4b95b7e
1 changed files with 22 additions and 10 deletions
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32
fs/nfs/nfs4proc.c
View File

@ -2547,24 +2547,36 @@ static int nfs4_find_root_sec(struct nfs_server *server, struct nfs_fh *fhandle,
return status;
}
/*
* get the file handle for the "/" directory on the server
static int nfs4_do_find_root_sec(struct nfs_server *server,
struct nfs_fh *fhandle, struct nfs_fsinfo *info)
{
int mv = server->nfs_client->cl_minorversion;
return nfs_v4_minor_ops[mv]->find_root_sec(server, fhandle, info);
}
/**
* nfs4_proc_get_rootfh - get file handle for server's pseudoroot
* @server: initialized nfs_server handle
* @fhandle: we fill in the pseudo-fs root file handle
* @info: we fill in an FSINFO struct
*
* Returns zero on success, or a negative errno.
*/
int nfs4_proc_get_rootfh(struct nfs_server *server, struct nfs_fh *fhandle,
struct nfs_fsinfo *info)
{
int minor_version = server->nfs_client->cl_minorversion;
int status = nfs4_lookup_root(server, fhandle, info);
if ((status == -NFS4ERR_WRONGSEC) && !(server->flags & NFS_MOUNT_SECFLAVOUR))
/*
* A status of -NFS4ERR_WRONGSEC will be mapped to -EPERM
* by nfs4_map_errors() as this function exits.
*/
status = nfs_v4_minor_ops[minor_version]->find_root_sec(server, fhandle, info);
int status;
status = nfs4_lookup_root(server, fhandle, info);
if ((status == -NFS4ERR_WRONGSEC) &&
!(server->flags & NFS_MOUNT_SECFLAVOUR))
status = nfs4_do_find_root_sec(server, fhandle, info);
if (status == 0)
status = nfs4_server_capabilities(server, fhandle);
if (status == 0)
status = nfs4_do_fsinfo(server, fhandle, info);
return nfs4_map_errors(status);
}