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Commit bba0cd0e authored by Aneesh Kumar K.V's avatar Aneesh Kumar K.V Committed by Sage Weil
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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: default avatarAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: default avatarSage Weil <sage@newdream.net>
parent 92923dcb

fs/ceph/export.c

+4 −1
Original line number Diff line number Diff line
@@ -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;