encode_fh on error should update max_len with minimum required
size, so that caller can redo the call with the reallocated buffer.
This is required with open by handle patch series
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
---
fs/ceph/export.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/fs/ceph/export.c b/fs/ceph/export.c
index 387c582..e38423e 100644
--- a/fs/ceph/export.c
+++ b/fs/ceph/export.c
@@ -62,13 +62,16 @@ static int ceph_encode_fh(struct dentry *dentry, u32 *rawfh, int *max_len,
*max_len = connected_handle_length;
type = 2;
} else if (*max_len >= handle_length) {
- if (connectable)
+ if (connectable) {
+ *max_len = connected_handle_length;
return 255;
+ }
dout("encode_fh %p\n", dentry);
fh->ino = ceph_ino(dentry->d_inode);
*max_len = handle_length;
type = 1;
} else {
+ *max_len = handle_length;
return 255;
}
return type;
--
1.7.0.4
--
To unsubscribe from this list: send the line "unsubscribe ceph-devel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
