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authorDavid Howells <dhowells@redhat.com>2006-06-23 02:02:58 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-23 07:42:45 -0700
commit726c334223180e3c0197cc980a432681370d4baf (patch)
tree8327b354bb3dc959a6606051ae6f8d4d035e38a2 /arch/sparc64/solaris
parent454e2398be9b9fa30433fccc548db34d19aa9958 (diff)
[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 'arch/sparc64/solaris')
-rw-r--r--arch/sparc64/solaris/fs.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/sparc64/solaris/fs.c b/arch/sparc64/solaris/fs.c
index 4885ca6cbc7..0f0eb6aa1c4 100644
--- a/arch/sparc64/solaris/fs.c
+++ b/arch/sparc64/solaris/fs.c
@@ -356,7 +356,7 @@ static int report_statvfs(struct vfsmount *mnt, struct inode *inode, u32 buf)
int error;
struct sol_statvfs __user *ss = A(buf);
- error = vfs_statfs(mnt->mnt_sb, &s);
+ error = vfs_statfs(mnt->mnt_root, &s);
if (!error) {
const char *p = mnt->mnt_sb->s_type->name;
int i = 0;
@@ -392,7 +392,7 @@ static int report_statvfs64(struct vfsmount *mnt, struct inode *inode, u32 buf)
int error;
struct sol_statvfs64 __user *ss = A(buf);
- error = vfs_statfs(mnt->mnt_sb, &s);
+ error = vfs_statfs(mnt->mnt_root, &s);
if (!error) {
const char *p = mnt->mnt_sb->s_type->name;
int i = 0;