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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2010-10-05 16:03:42 +0530
committerSage Weil <sage@newdream.net>2010-10-07 08:00:24 -0700
commitbba0cd0e3d97472855840af817b766e3f632a501 (patch)
tree31794165c098a079e3af617b594eaf9ae8d3bd8a
parent92923dcbfcad107b0e0469f579a2455729ccf10e (diff)
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op-kernel-dev-bba0cd0e3d97472855840af817b766e3f632a501.tar.gz
ceph: Update max_len with minimum required size
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@linux.vnet.ibm.com> Signed-off-by: Sage Weil <sage@newdream.net>
-rw-r--r--fs/ceph/export.c5
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;
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