diff options
| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2011-01-29 18:43:25 +0530 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2011-03-14 09:15:28 -0400 |
| commit | 5fe0c2378884e68beb532f5890cc0e3539ac747b (patch) | |
| tree | be25414052184e146049ea6466854366559d5528 /fs/fuse | |
| parent | c8b91accfa1059d5565443193d89572eca2f5dd6 (diff) | |
| download | lwn-5fe0c2378884e68beb532f5890cc0e3539ac747b.tar.gz lwn-5fe0c2378884e68beb532f5890cc0e3539ac747b.zip | |
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.c | 4 |
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; |