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/xfs/linux-2.6/xfs_export.c | |
| parent | clean statfs-like syscalls up (diff) | |
| download | linux-dev-5fe0c2378884e68beb532f5890cc0e3539ac747b.tar.xz linux-dev-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 '')
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_export.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/xfs/linux-2.6/xfs_export.c b/fs/xfs/linux-2.6/xfs_export.c index fc0114da7fdd..f4f878fc0083 100644 --- a/fs/xfs/linux-2.6/xfs_export.c +++ b/fs/xfs/linux-2.6/xfs_export.c @@ -89,8 +89,10 @@ xfs_fs_encode_fh( * seven combinations work. The real answer is "don't use v2". */ len = xfs_fileid_length(fileid_type); - if (*max_len < len) + if (*max_len < len) { + *max_len = len; return 255; + } *max_len = len; switch (fileid_type) { |