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authorDavid Howells <dhowells@redhat.com>2006-06-23 13:02:58 +0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-23 18:42:45 +0400
commit726c334223180e3c0197cc980a432681370d4baf (patch)
tree8327b354bb3dc959a6606051ae6f8d4d035e38a2 /fs/ncpfs/inode.c
parent454e2398be9b9fa30433fccc548db34d19aa9958 (diff)
downloadlinux-726c334223180e3c0197cc980a432681370d4baf.tar.xz
[PATCH] VFS: Permit filesystem to perform statfs with a known root dentry
Give the statfs superblock operation a dentry pointer rather than a superblock pointer. This complements the get_sb() patch. That reduced the significance of sb->s_root, allowing NFS to place a fake root there. However, NFS does require a dentry to use as a target for the statfs operation. This permits the root in the vfsmount to be used instead. linux/mount.h has been added where necessary to make allyesconfig build successfully. Interest has also been expressed for use with the FUSE and XFS filesystems. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Nathan Scott <nathans@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/ncpfs/inode.c')
-rw-r--r--fs/ncpfs/inode.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c
index 8db033fab3fd..90d2ea28f333 100644
--- a/fs/ncpfs/inode.c
+++ b/fs/ncpfs/inode.c
@@ -39,7 +39,7 @@
static void ncp_delete_inode(struct inode *);
static void ncp_put_super(struct super_block *);
-static int ncp_statfs(struct super_block *, struct kstatfs *);
+static int ncp_statfs(struct dentry *, struct kstatfs *);
static kmem_cache_t * ncp_inode_cachep;
@@ -724,13 +724,14 @@ static void ncp_put_super(struct super_block *sb)
kfree(server);
}
-static int ncp_statfs(struct super_block *sb, struct kstatfs *buf)
+static int ncp_statfs(struct dentry *dentry, struct kstatfs *buf)
{
struct dentry* d;
struct inode* i;
struct ncp_inode_info* ni;
struct ncp_server* s;
struct ncp_volume_info vi;
+ struct super_block *sb = dentry->d_sb;
int err;
__u8 dh;