diff options
| author | David Howells <dhowells@redhat.com> | 2006-08-22 20:06:10 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-09-22 23:24:34 -0400 |
| commit | 0c7d90cfed91a283228017ba6faf37ee0bcd32b1 (patch) | |
| tree | bf8aae1186e905660f179cbda720ce51d1b7498c /fs/nfs | |
| parent | 24c8dbbb5f777187d660393599641ab3307b4b97 (diff) | |
| download | lwn-0c7d90cfed91a283228017ba6faf37ee0bcd32b1.tar.gz lwn-0c7d90cfed91a283228017ba6faf37ee0bcd32b1.zip | |
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.c | 13 |
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; |