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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2011-01-29 16:13:25 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2011-03-14 16:15:28 +0300
commit5fe0c2378884e68beb532f5890cc0e3539ac747b (patch)
treebe25414052184e146049ea6466854366559d5528 /fs/fuse
parentc8b91accfa1059d5565443193d89572eca2f5dd6 (diff)
downloadlinux-5fe0c2378884e68beb532f5890cc0e3539ac747b.tar.xz
exportfs: Return the minimum required handle size
The exportfs encode handle function should return the minimum required handle size. This helps user to find out the handle size by passing 0 handle size in the first step and then redoing to the call again with the returned handle size value. Acked-by: Serge Hallyn <serue@us.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/fuse')
-rw-r--r--fs/fuse/inode.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 9e3f68cc1bd1..051b1a084528 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -637,8 +637,10 @@ static int fuse_encode_fh(struct dentry *dentry, u32 *fh, int *max_len,
u64 nodeid;
u32 generation;
- if (*max_len < len)
+ if (*max_len < len) {
+ *max_len = len;
return 255;
+ }
nodeid = get_fuse_inode(inode)->nodeid;
generation = inode->i_generation;