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author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2011-01-29 13:13:25 (GMT) |
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committer | Al Viro <viro@zeniv.linux.org.uk> | 2011-03-14 13:15:28 (GMT) |
commit | 5fe0c2378884e68beb532f5890cc0e3539ac747b (patch) | |
tree | be25414052184e146049ea6466854366559d5528 /fs/xfs | |
parent | c8b91accfa1059d5565443193d89572eca2f5dd6 (diff) | |
download | linux-fsl-qoriq-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/xfs')
-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 fc0114d..f4f878f 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) { |