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authorDavid Howells <dhowells@redhat.com>2006-08-23 04:06:10 +0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-09-23 07:24:34 +0400
commit0c7d90cfed91a283228017ba6faf37ee0bcd32b1 (patch)
treebf8aae1186e905660f179cbda720ce51d1b7498c /fs/nfs
parent24c8dbbb5f777187d660393599641ab3307b4b97 (diff)
downloadlinux-0c7d90cfed91a283228017ba6faf37ee0bcd32b1.tar.xz
NFS: Use the dentry superblock directly in nfs_statfs()
Use the nominated dentry's superblock directly in the NFS statfs() op to get a file handle, rather than using s_root (which will become a dummy dentry in a future patch). Signed-Off-By: David Howells <dhowells@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/super.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index f97d7d9c5c32..a41d516ed595 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -240,11 +240,10 @@ void __exit unregister_nfs_fs(void)
*/
static int nfs_statfs(struct dentry *dentry, struct kstatfs *buf)
{
- struct super_block *sb = dentry->d_sb;
- struct nfs_server *server = NFS_SB(sb);
+ struct nfs_server *server = NFS_SB(dentry->d_sb);
unsigned char blockbits;
unsigned long blockres;
- struct nfs_fh *rootfh = NFS_FH(sb->s_root->d_inode);
+ struct nfs_fh *fh = NFS_FH(dentry->d_inode);
struct nfs_fattr fattr;
struct nfs_fsstat res = {
.fattr = &fattr,
@@ -253,7 +252,7 @@ static int nfs_statfs(struct dentry *dentry, struct kstatfs *buf)
lock_kernel();
- error = server->rpc_ops->statfs(server, rootfh, &res);
+ error = server->rpc_ops->statfs(server, fh, &res);
buf->f_type = NFS_SUPER_MAGIC;
if (error < 0)
goto out_err;
@@ -263,7 +262,7 @@ static int nfs_statfs(struct dentry *dentry, struct kstatfs *buf)
* case where f_frsize != f_bsize. Eventually we want to
* report the value of wtmult in this field.
*/
- buf->f_frsize = sb->s_blocksize;
+ buf->f_frsize = dentry->d_sb->s_blocksize;
/*
* On most *nix systems, f_blocks, f_bfree, and f_bavail
@@ -272,8 +271,8 @@ static int nfs_statfs(struct dentry *dentry, struct kstatfs *buf)
* thus historically Linux's sys_statfs reports these
* fields in units of f_bsize.
*/
- buf->f_bsize = sb->s_blocksize;
- blockbits = sb->s_blocksize_bits;
+ buf->f_bsize = dentry->d_sb->s_blocksize;
+ blockbits = dentry->d_sb->s_blocksize_bits;
blockres = (1 << blockbits) - 1;
buf->f_blocks = (res.tbytes + blockres) >> blockbits;
buf->f_bfree = (res.fbytes + blockres) >> blockbits;